Windows 7 deprecation
Windows 7 will be removed from tria.ge on 2025-03-31
Analysis
-
max time kernel
150s -
max time network
123s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
03/02/2023, 05:06
Behavioral task
behavioral1
Sample
4134bd82bbea78103d0e32728df856870eaa2c0188b59423115c7d779b2bf83a.exe
Resource
win10v2004-20221111-en
General
-
Target
4134bd82bbea78103d0e32728df856870eaa2c0188b59423115c7d779b2bf83a.exe
-
Size
6KB
-
MD5
679104fb0479ff61c4b5e4b88f77d94b
-
SHA1
bfbcb5d48fb4ab25d52e4e1bedf37a4e7a4a3cab
-
SHA256
4134bd82bbea78103d0e32728df856870eaa2c0188b59423115c7d779b2bf83a
-
SHA512
7cb36200865267885939956614a7b8603cd16575a3857e0ecc238ff22d296b29bfb208bb11f61f3856278f6b4585afdb2c8456d2f2630f0fbc33fa298df0253e
-
SSDEEP
192:zU3efq7iEM9gdH98dfQbLE5lF22vjWwID:Q3efq7iEM9gdH98dfgLE5lI2vjlI
Malware Config
Extracted
purecrypter
https://onedrive.live.com/download?cid=A113DD34A0D77810&resid=A113DD34A0D77810%21125&authkey=AIgE8y9D-kUp_qA
Extracted
remcos
RemoteHost
top.thekillforabuse1.xyz:1068
-
audio_folder
MicRecords
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
1
-
copy_file
remcos.exe
-
copy_folder
Remcos
-
delete_file
false
-
hide_file
false
-
hide_keylog_file
false
-
install_flag
false
-
keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
remcos
-
mouse_option
false
-
mutex
Rmc-R762FE
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
10
-
startup_value
Remcos
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
-
PureCrypter
PureCrypter is a .NET malware loader first seen in early 2021.
-
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation 4134bd82bbea78103d0e32728df856870eaa2c0188b59423115c7d779b2bf83a.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Romgl = "\"C:\\Users\\Admin\\AppData\\Roaming\\Taaewqbiqv\\Romgl.exe\"" 4134bd82bbea78103d0e32728df856870eaa2c0188b59423115c7d779b2bf83a.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3640 set thread context of 4124 3640 4134bd82bbea78103d0e32728df856870eaa2c0188b59423115c7d779b2bf83a.exe 92 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1660 powershell.exe 1660 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3640 4134bd82bbea78103d0e32728df856870eaa2c0188b59423115c7d779b2bf83a.exe Token: SeDebugPrivilege 1660 powershell.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 3640 wrote to memory of 1660 3640 4134bd82bbea78103d0e32728df856870eaa2c0188b59423115c7d779b2bf83a.exe 86 PID 3640 wrote to memory of 1660 3640 4134bd82bbea78103d0e32728df856870eaa2c0188b59423115c7d779b2bf83a.exe 86 PID 3640 wrote to memory of 1660 3640 4134bd82bbea78103d0e32728df856870eaa2c0188b59423115c7d779b2bf83a.exe 86 PID 3640 wrote to memory of 4124 3640 4134bd82bbea78103d0e32728df856870eaa2c0188b59423115c7d779b2bf83a.exe 92 PID 3640 wrote to memory of 4124 3640 4134bd82bbea78103d0e32728df856870eaa2c0188b59423115c7d779b2bf83a.exe 92 PID 3640 wrote to memory of 4124 3640 4134bd82bbea78103d0e32728df856870eaa2c0188b59423115c7d779b2bf83a.exe 92 PID 3640 wrote to memory of 4124 3640 4134bd82bbea78103d0e32728df856870eaa2c0188b59423115c7d779b2bf83a.exe 92 PID 3640 wrote to memory of 4124 3640 4134bd82bbea78103d0e32728df856870eaa2c0188b59423115c7d779b2bf83a.exe 92 PID 3640 wrote to memory of 4124 3640 4134bd82bbea78103d0e32728df856870eaa2c0188b59423115c7d779b2bf83a.exe 92 PID 3640 wrote to memory of 4124 3640 4134bd82bbea78103d0e32728df856870eaa2c0188b59423115c7d779b2bf83a.exe 92 PID 3640 wrote to memory of 4124 3640 4134bd82bbea78103d0e32728df856870eaa2c0188b59423115c7d779b2bf83a.exe 92 PID 3640 wrote to memory of 4124 3640 4134bd82bbea78103d0e32728df856870eaa2c0188b59423115c7d779b2bf83a.exe 92 PID 3640 wrote to memory of 4124 3640 4134bd82bbea78103d0e32728df856870eaa2c0188b59423115c7d779b2bf83a.exe 92 PID 3640 wrote to memory of 4124 3640 4134bd82bbea78103d0e32728df856870eaa2c0188b59423115c7d779b2bf83a.exe 92 PID 3640 wrote to memory of 4124 3640 4134bd82bbea78103d0e32728df856870eaa2c0188b59423115c7d779b2bf83a.exe 92
Processes
-
C:\Users\Admin\AppData\Local\Temp\4134bd82bbea78103d0e32728df856870eaa2c0188b59423115c7d779b2bf83a.exe"C:\Users\Admin\AppData\Local\Temp\4134bd82bbea78103d0e32728df856870eaa2c0188b59423115c7d779b2bf83a.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3640 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1660
-
-
C:\Users\Admin\AppData\Local\Temp\4134bd82bbea78103d0e32728df856870eaa2c0188b59423115c7d779b2bf83a.exeC:\Users\Admin\AppData\Local\Temp\4134bd82bbea78103d0e32728df856870eaa2c0188b59423115c7d779b2bf83a.exe2⤵PID:4124
-