| File name: | scandoc.exe |
| Full analysis: | https://app.any.run/tasks/d19bb27b-6758-40ea-ae2a-3e8358dccc01 |
| Verdict: | Malicious activity |
| Threats: | Remcos is a commercially distributed remote administration and surveillance tool that has been widely observed in unauthorized deployments, where threat actors use it to perform remote actions on compromised machines. It is actively maintained by its vendor, with new versions and feature updates released on a frequent, near-monthly basis. |
| Analysis date: | November 30, 2023, 16:11:34 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows |
| MD5: | 3F38596CC3A4D9D6020D3CEBFF1A8F6C |
| SHA1: | 7449C7578BE539C1ACBE51F23B690641B08EA336 |
| SHA256: | FF0A84220D028052A841312CD81BAA525D19F7E4B0CE94DBBAF6634A776D3814 |
| SSDEEP: | 98304:MQvuHm9z8IAVbeHxVnfjEf0WROxmm2LsckViUSYuWz9cgqUM/8g/uBldwtbuLjtt:M9fv5HINjaLDsbSxTy/MJ0gMtb1ek |
MALICIOUS
Drops the executable file immediately after the start
- scandoc.exe (PID: 2748)
REMCOS has been detected (YARA)
- 8161.exe (PID: 2916)
Changes the autorun value in the registry
- 8161.exe (PID: 2916)
SUSPICIOUS
Application launched itself
- scandoc.exe (PID: 2876)
- 8161.exe (PID: 2496)
Drops 7-zip archiver for unpacking
- scandoc.exe (PID: 2748)
Reads the Internet Settings
- scandoc.exe (PID: 2748)
Starts itself from another location
- scandoc.exe (PID: 2748)
Connects to FTP
- 8161.exe (PID: 2916)
INFO
Checks supported languages
- scandoc.exe (PID: 2876)
- scandoc.exe (PID: 2748)
- 8161.exe (PID: 2496)
- 8161.exe (PID: 2916)
Reads the computer name
- scandoc.exe (PID: 2876)
- scandoc.exe (PID: 2748)
- 8161.exe (PID: 2496)
- 8161.exe (PID: 2916)
Reads the machine GUID from the registry
- scandoc.exe (PID: 2876)
- 8161.exe (PID: 2496)
Reads Environment values
- scandoc.exe (PID: 2748)
- 8161.exe (PID: 2916)
Creates files in the program directory
- scandoc.exe (PID: 2748)
Reads product name
- scandoc.exe (PID: 2748)
- 8161.exe (PID: 2916)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
Remcos
(PID) Process(2916) 8161.exe
C2 (35)95.214.26.199:80
95.214.26.199:465
95.214.26.199:21:0 95.214.26.199:8080
95.214.26.190:80
95.214.26.18:80
95.214.26.25:80
95.214.26.60:80
95.214.26.79:80
95.214.26.90:80
95.214.26.99:80
101.99.92.102:80
101.99.92.102:8080
101.99.92.102:465
101.99.92.101:465
101.99.92.103:465
101.99.92.19:465
101.99.92.19:80
101.99.92.19:8080
101.99.92.212:8080
101.99.92.218:8080
101.99.92.218:80
185.65.105.190:80
185.65.105.191:80
185.65.105.192:80
185.65.105.193:80
185.65.105.193:8080
185.65.105.194:8080
185.65.105.195:8080
185.65.105.196:8080
185.65.105.196:80
185.65.105.197:80
185.65.105.197:465
185.65.105.198:465
185.65.105.199:465
185.65.105.15:465
BotnetRMC
Options
Connect_interval1
Install_flagTrue
Install_HKCU\RunTrue
Install_HKLM\RunTrue
Install_HKLM\Explorer\Run1
Install_HKLM\Winlogon\Shell100000
Setup_path%LOCALAPPDATA%
Copy_file8161.exe
Startup_valueFalse
Hide_fileFalse
Mutex_nameDv8161-E2WPIJ
Keylog_flag0
Keylog_path%LOCALAPPDATA%
Keylog_filelogs.dat
Keylog_cryptFalse
Hide_keylogFalse
Screenshot_flagFalse
Screenshot_time5
Take_ScreenshotFalse
Screenshot_path%APPDATA%
Screenshot_fileScreenshots
Screenshot_cryptFalse
Mouse_optionFalse
Delete_fileFalse
Audio_record_time5
Audio_path%ProgramFiles%
Audio_dirMicRecords
Connect_delay0
Copy_dirDavinci
Keylog_dirremcos
TRiD
| .exe | | | Generic CIL Executable (.NET, Mono, etc.) (63.1) |
|---|---|---|
| .exe | | | Win64 Executable (generic) (23.8) |
| .dll | | | Win32 Dynamic Link Library (generic) (5.6) |
| .exe | | | Win32 Executable (generic) (3.8) |
| .exe | | | Generic Win/DOS Executable (1.7) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2023:11:29 13:48:25+01:00 |
| ImageFileCharacteristics: | Executable, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 8 |
| CodeSize: | 12439040 |
| InitializedDataSize: | 4096 |
| UninitializedDataSize: | - |
| EntryPoint: | 0xbdec84 |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 22.1.0.0 |
| ProductVersionNumber: | 22.1.0.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Windows NT 32-bit |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | English (U.S.) |
| CharacterSet: | Unicode |
| CompanyName: | Igor Pavlov |
| FileDescription: | 7-Zip Installer |
| FileVersion: | 22.01 |
| InternalName: | 7zipInstall |
| LegalCopyright: | Copyright (c) 1999-2022 Igor Pavlov |
| OriginalFileName: | 7zipInstall.exe |
| ProductName: | 7-Zip |
| ProductVersion: | 22.01 |
Total processes
39
Monitored processes
4
Malicious processes
4
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2496 | "C:\ProgramData\Davinci\8161.exe" | C:\ProgramData\Davinci\8161.exe | — | scandoc.exe | |||||||||||
User: admin Company: Igor Pavlov Integrity Level: MEDIUM Description: 7-Zip Installer Exit code: 0 Version: 22.01 Modules
| |||||||||||||||
| 2748 | "C:\Users\admin\AppData\Local\Temp\scandoc.exe" | C:\Users\admin\AppData\Local\Temp\scandoc.exe | — | scandoc.exe | |||||||||||
User: admin Company: Igor Pavlov Integrity Level: MEDIUM Description: 7-Zip Installer Exit code: 0 Version: 22.01 Modules
| |||||||||||||||
| 2876 | "C:\Users\admin\AppData\Local\Temp\scandoc.exe" | C:\Users\admin\AppData\Local\Temp\scandoc.exe | — | explorer.exe | |||||||||||
User: admin Company: Igor Pavlov Integrity Level: MEDIUM Description: 7-Zip Installer Exit code: 0 Version: 22.01 Modules
| |||||||||||||||
| 2916 | "C:\ProgramData\Davinci\8161.exe" | C:\ProgramData\Davinci\8161.exe | 8161.exe | ||||||||||||
User: admin Company: Igor Pavlov Integrity Level: MEDIUM Description: 7-Zip Installer Exit code: 0 Version: 22.01 Modules
Remcos(PID) Process(2916) 8161.exe C2 (35)95.214.26.199:80 95.214.26.199:465 95.214.26.199:21:0 95.214.26.199:8080 95.214.26.190:80 95.214.26.18:80 95.214.26.25:80 95.214.26.60:80 95.214.26.79:80 95.214.26.90:80 95.214.26.99:80 101.99.92.102:80 101.99.92.102:8080 101.99.92.102:465 101.99.92.101:465 101.99.92.103:465 101.99.92.19:465 101.99.92.19:80 101.99.92.19:8080 101.99.92.212:8080 101.99.92.218:8080 101.99.92.218:80 185.65.105.190:80 185.65.105.191:80 185.65.105.192:80 185.65.105.193:80 185.65.105.193:8080 185.65.105.194:8080 185.65.105.195:8080 185.65.105.196:8080 185.65.105.196:80 185.65.105.197:80 185.65.105.197:465 185.65.105.198:465 185.65.105.199:465 185.65.105.15:465 BotnetRMC Options Connect_interval1 Install_flagTrue Install_HKCU\RunTrue Install_HKLM\RunTrue Install_HKLM\Explorer\Run1 Install_HKLM\Winlogon\Shell100000 Setup_path%LOCALAPPDATA% Copy_file8161.exe Startup_valueFalse Hide_fileFalse Mutex_nameDv8161-E2WPIJ Keylog_flag0 Keylog_path%LOCALAPPDATA% Keylog_filelogs.dat Keylog_cryptFalse Hide_keylogFalse Screenshot_flagFalse Screenshot_time5 Take_ScreenshotFalse Screenshot_path%APPDATA% Screenshot_fileScreenshots Screenshot_cryptFalse Mouse_optionFalse Delete_fileFalse Audio_record_time5 Audio_path%ProgramFiles% Audio_dirMicRecords Connect_delay0 Copy_dirDavinci Keylog_dirremcos | |||||||||||||||
Total events
388
Read events
379
Write events
9
Delete events
0
Modification events
| (PID) Process: | (2748) scandoc.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
| (PID) Process: | (2748) scandoc.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | IntranetName |
Value: 1 | |||
| (PID) Process: | (2748) scandoc.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 1 | |||
| (PID) Process: | (2748) scandoc.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 0 | |||
| (PID) Process: | (2916) 8161.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | Dv8161-E2WPIJ |
Value: "C:\ProgramData\Davinci\8161.exe" | |||
Executable files
1
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2748 | scandoc.exe | C:\ProgramData\Davinci\8161.exe | executable | |
MD5:3F38596CC3A4D9D6020D3CEBFF1A8F6C | SHA256:FF0A84220D028052A841312CD81BAA525D19F7E4B0CE94DBBAF6634A776D3814 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
7
DNS requests
1
Threats
0
HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
1080 | svchost.exe | 224.0.0.252:5355 | — | — | — | unknown |
2588 | svchost.exe | 239.255.255.250:1900 | — | — | — | whitelisted |
2916 | 8161.exe | 95.214.26.199:80 | — | Enes Koken | US | malicious |
2916 | 8161.exe | 95.214.26.199:465 | — | Enes Koken | US | malicious |
2916 | 8161.exe | 95.214.26.199:21 | — | Enes Koken | US | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
dns.msftncsi.com |
| shared |