| File name: | 4611854549286912.zip |
| Full analysis: | https://app.any.run/tasks/c9117cf4-635c-492a-8c3e-3d009b49fa47 |
| Verdict: | Malicious activity |
| Analysis date: | January 24, 2022, 16:38:05 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Indicators: | |
| MIME: | application/zip |
| File info: | Zip archive data, at least v2.0 to extract |
| MD5: | C35B0B809631EAC8E923E8FD7FA61257 |
| SHA1: | 7C2446D40F13C6D11AA74F43F3CA6E7E73342BEE |
| SHA256: | 0DBA6E24FE94D498183282651CE20278CD74771A007C30D6C4209D1F2E495EB9 |
| SSDEEP: | 384:6MnIXcISvkFsh3l9gDJSoYeWv2c+SrGipjJl3pcYrH+u2FVe:6Ml18nJpWvOup1l3aYj+9Fo |
MALICIOUS
Application was dropped or rewritten from another process
- aa.exe (PID: 3824)
- Olf1VirSv2.exe (PID: 2708)
Changes the autorun value in the registry
- aa.exe (PID: 3824)
- Olf1VirSv2.exe (PID: 2708)
Writes to a start menu file
- aa.exe (PID: 3824)
Changes the login/logoff helper path in the registry
- aa.exe (PID: 3824)
- Olf1VirSv2.exe (PID: 2708)
Drops executable file immediately after starts
- aa.exe (PID: 3824)
SUSPICIOUS
Checks supported languages
- WinRAR.exe (PID: 1016)
- aa.exe (PID: 3824)
- Olf1VirSv2.exe (PID: 2708)
Executable content was dropped or overwritten
- WinRAR.exe (PID: 1016)
- aa.exe (PID: 3824)
Reads the computer name
- WinRAR.exe (PID: 1016)
- aa.exe (PID: 3824)
- Olf1VirSv2.exe (PID: 2708)
Uses RUNDLL32.EXE to load library
- WinRAR.exe (PID: 1016)
Creates files in the user directory
- aa.exe (PID: 3824)
INFO
Checks supported languages
- rundll32.exe (PID: 3872)
Reads the computer name
- rundll32.exe (PID: 3872)
Manual execution by user
- aa.exe (PID: 3824)
- Olf1VirSv2.exe (PID: 2708)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .zip | | | ZIP compressed archive (100) |
|---|
EXIF
ZIP
| ZipFileName: | 05eaad8d1585c4589a87c18ee01f8617baaf880a70f6de307e4585bfe82392b2 |
|---|---|
| ZipUncompressedSize: | 57344 |
| ZipCompressedSize: | 14813 |
| ZipCRC: | 0x5b713372 |
| ZipModifyDate: | 1980:00:00 00:00:00 |
| ZipCompression: | Deflated |
| ZipBitFlag: | 0x0009 |
| ZipRequiredVersion: | 20 |
Total processes
38
Monitored processes
4
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1016 | "C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\AppData\Local\Temp\4611854549286912.zip" | C:\Program Files\WinRAR\WinRAR.exe | Explorer.EXE | ||||||||||||
User: admin Company: Alexander Roshal Integrity Level: MEDIUM Description: WinRAR archiver Exit code: 0 Version: 5.91.0 Modules
| |||||||||||||||
| 2708 | "C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Olf1VirSv2.exe" | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Olf1VirSv2.exe | Explorer.EXE | ||||||||||||
User: admin Company: Microsoft Windows 8 Protection Mechanism Integrity Level: MEDIUM Description: If you don't want to lose your datas, don't delete these files, disable your antivirus and open them. Exit code: 0 Version: 1.00 Modules
| |||||||||||||||
| 3824 | "C:\Users\admin\Desktop\aa.exe" | C:\Users\admin\Desktop\aa.exe | Explorer.EXE | ||||||||||||
User: admin Company: Microsoft Windows 8 Protection Mechanism Integrity Level: MEDIUM Description: If you don't want to lose your datas, don't delete these files, disable your antivirus and open them. Exit code: 0 Version: 1.00 Modules
| |||||||||||||||
| 3872 | "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\admin\AppData\Local\Temp\Rar$DIb1016.44672\05eaad8d1585c4589a87c18ee01f8617baaf880a70f6de307e4585bfe82392b2 | C:\Windows\system32\rundll32.exe | — | WinRAR.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows host process (Rundll32) Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
Total events
1 740
Read events
1 678
Write events
62
Delete events
0
Modification events
| (PID) Process: | (1016) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes |
| Operation: | write | Name: | ShellExtBMP |
Value: | |||
| (PID) Process: | (1016) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes |
| Operation: | write | Name: | ShellExtIcon |
Value: | |||
| (PID) Process: | (1016) WinRAR.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\16C\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (1016) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\ArcHistory |
| Operation: | write | Name: | 2 |
Value: C:\Users\admin\Desktop\virtio_ivshmem_master_build.zip | |||
| (PID) Process: | (1016) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\ArcHistory |
| Operation: | write | Name: | 1 |
Value: C:\Users\admin\Desktop\Win7-KB3191566-x86.zip | |||
| (PID) Process: | (1016) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\ArcHistory |
| Operation: | write | Name: | 0 |
Value: C:\Users\admin\AppData\Local\Temp\4611854549286912.zip | |||
| (PID) Process: | (1016) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | name |
Value: 120 | |||
| (PID) Process: | (1016) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | size |
Value: 80 | |||
| (PID) Process: | (1016) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | type |
Value: 120 | |||
| (PID) Process: | (1016) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | mtime |
Value: 100 | |||
Executable files
4
Suspicious files
0
Text files
2
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3824 | aa.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Olf1VirSv2.exe | executable | |
MD5:— | SHA256:— | |||
| 1016 | WinRAR.exe | C:\Users\admin\AppData\Local\Temp\Rar$DIb1016.44672\05eaad8d1585c4589a87c18ee01f8617baaf880a70f6de307e4585bfe82392b2 | executable | |
MD5:— | SHA256:— | |||
| 1016 | WinRAR.exe | C:\Users\admin\Desktop\05eaad8d1585c4589a87c18ee01f8617baaf880a70f6de307e4585bfe82392b2 | executable | |
MD5:— | SHA256:— | |||
| 3824 | aa.exe | C:\Users\admin\AppData\Local\VirtualStore\Windows\Olf1VirErrors.txt | text | |
MD5:— | SHA256:— | |||
| 3824 | aa.exe | C:\Olf1VirDir\Olf1VirCv2.exe | executable | |
MD5:— | SHA256:— | |||
| 3824 | aa.exe | C:\Users\admin\AppData\Local\VirtualStore\Windows\Olf1VirVersion.txt | text | |
MD5:10400C6FAF166902B52FB97042F1E0EB | SHA256:DF4E26A04A444901B95AFEF44E4A96CFAE34690FFF2AD2C66389C70079CDFF2B | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
0
DNS requests
0
Threats
0
HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report