Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
01/06/2026, 22:51
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
tmphjexb0vt.exe
Resource
win10ltsc2021-20260513-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
tmphjexb0vt.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
General
- Target tmphjexb0vt.exe
- Size 244KB
- Sample260601-2sr2lagw7t
- SHA256 57a2eae774207785461c277a83280a90f0297d45fa6d355e254423526508e71b
- MD5 9c9c5b734c38e68d0a0beb519be5d222
- SHA1 1eda51075c4531ee5e05d14739cc93b7906369c2
- SHA512 8e1df044481c0627fbd1a373dcdc4d207148778ace223d5edd9507140c6510b172fb1abb4ae3ed5a1967fb0cb25a4b3bc765296fce008efa1db4c6042d42048b
- SSDEEP 6144:2/hJsgJQUMObW617nslJ2C8owX58KmRueHjRfEip9Il:2/hh1MV8nslSz58KmRuujlEE
- TLSH T1F63419383EEA512AF177EF754EE43987E96EB6637A029A5D108203464713E41EDC0D3E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
Family
-
remcos
Version
-
1.7.4 Pro
Botnet
-
Host
C2
-
blockcha1n.info:2404
Attributes
-
audio_folder
audio
-
audio_path
%AppData%
-
audio_record_time
5
-
connect_delay
0
-
connect_interval
5
-
copy_file
remcos.exe
-
copy_folder
remcos
-
delete_file
false
-
hide_file
false
-
hide_keylog_file
false
-
install_flag
false
-
install_path
%AppData%
-
keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
remcos
-
keylog_path
%AppData%
-
mouse_option
false
-
mutex
Remcos-1DD1FQ
-
screenshot_crypt
false
-
screenshot_flag
false
-
screenshot_folder
Screenshots
-
screenshot_path
%AppData%
-
screenshot_time
1
-
startup_value
remcos
-
take_screenshot_option
false
-
take_screenshot_time
5
Signatures
- 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-1-5-21-889581200-2041691093-2048517887-1000\Control Panel\International\Geo\Nation tmphjexb0vt.exe - Uses the VBS compiler for execution 1 TTPs
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4852 set thread context of 1748 4852 installutil.exe 91 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language tmphjexb0vt.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language installutil.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 3628 wrote to memory of 4852 3628 tmphjexb0vt.exe 89 PID 4852 wrote to memory of 1748 4852 installutil.exe 91 PID 4852 wrote to memory of 1748 4852 installutil.exe 91 PID 4852 wrote to memory of 1748 4852 installutil.exe 91 PID 4852 wrote to memory of 1748 4852 installutil.exe 91 PID 4852 wrote to memory of 1748 4852 installutil.exe 91 PID 4852 wrote to memory of 1748 4852 installutil.exe 91
Processes
-
C:\Users\Admin\AppData\Local\Temp\tmphjexb0vt.exe"C:\Users\Admin\AppData\Local\Temp\tmphjexb0vt.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3628 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\installutil.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\installutil.exe" /logtoconsole=false /logfile= /u "C:\Users\Admin\AppData\Local\Temp\tmphjexb0vt.exe"2⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4852 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"3⤵PID:1748
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