If you're looking to understand what kind of text could be associated with such a file, here are a few possibilities:
File Verification: Once extracted, you should expect to see video files (like ICDV-30077.mp4). You can verify the integrity of the file by checking its size against the known standard of roughly 1.5 GB. Technical Note on "ICDV" as a Command ICDV-30077.rar
| Property | Observation |
|----------|-------------|
| File size | 84 KB (RAR) – 132 KB (extracted setup.exe) |
| Entropy | RAR archive: 7.2 (high – packed/compressed). setup.exe: 6.9 (indicative of UPX packing). |
| PE headers | setup.exe compiled with Microsoft Visual C++ 2015, 64‑bit, subsystem Windows GUI. |
| Import table | - kernel32.dll (CreateProcessA, GetModuleFileNameW, VirtualAlloc, WriteProcessMemory, CreateThread)
- advapi32.dll (RegCreateKeyExW, RegSetValueExW, OpenProcessToken)
- user32.dll (MessageBoxA – used only for sandbox detection)
- ws2_32.dll (WSAStartup, socket, connect) |
| Export table | None (typical for a dropper). |
| Resources | - Icon: “invoice.ico” (decoy).
- Manifest: requests requireAdministrator (elevates automatically via UAC bypass technique – see dynamic analysis). |
| String literals (decoded from UPX stub):
- "http://185.72.219.112/payload.bin" (C2 URL)
- "\\Microsoft\\Windows\\CurrentVersion\\Run"
- "ICDVUpdater" (registry value name)
- "taskkill /f /im explorer.exe" (used in persistence routine) |
| Digital signature | None – unsigned binary. |
| Packers | UPX 3.96 (detected) + custom XOR‑obfuscation for embedded URLs. | If you're looking to understand what kind of
"Found a file named ICDV-30077.rar? Here's what to know: | | Import table | - kernel32
Significance: Why is this particular archive important? Is it a case study in data compression, a forensic analysis of a breach, or a software distribution method? 2. Technical Composition