Analysis
-
max time kernel
149s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
30-12-2024 05:09
Static task
static1
Behavioral task
behavioral1
Sample
c36a27c853f9b925df2fd90972ca2eda0c2bcacbce37eb404b05ca306b731a18.exe
Resource
win7-20241010-en
General
-
Target
c36a27c853f9b925df2fd90972ca2eda0c2bcacbce37eb404b05ca306b731a18.exe
-
Size
1.1MB
-
MD5
d961a05e5efceee1b56c46d392c7407f
-
SHA1
7d179a2e17b72f02e8480d68a750c7b9c83e3cd1
-
SHA256
c36a27c853f9b925df2fd90972ca2eda0c2bcacbce37eb404b05ca306b731a18
-
SHA512
15110ae42fe92ba8cb4438c9aea1d20952a78856e8f2c0da7da5913f41b083238674219903589dcecce2c2b65bdd9940e823d291ff840a93429457f80962fdd1
-
SSDEEP
24576:r30Vvkk49eS8w0K1CrZOecyCvRChKUmLG2:r344ww0K1CrQecyzRmLG
Malware Config
Extracted
remcos
noon
79.134.225.121:1200
-
audio_folder
MicRecords
-
audio_path
%AppData%
-
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
-
install_path
%AppData%
-
keylog_crypt
false
-
keylog_file
logs.dat
-
keylog_flag
false
-
keylog_folder
remcos
-
keylog_path
%AppData%
-
mouse_option
false
-
mutex
Remcos-6F12P7
-
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
-
take_screenshot_title
notepad;solitaire;
Signatures
-
Remcos family
-
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 2788 powershell.exe -
Uses the VBS compiler for execution 1 TTPs
-
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2888 set thread context of 2000 2888 c36a27c853f9b925df2fd90972ca2eda0c2bcacbce37eb404b05ca306b731a18.exe 34 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 3 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 c36a27c853f9b925df2fd90972ca2eda0c2bcacbce37eb404b05ca306b731a18.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2532 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2788 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2788 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2000 vbc.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 2888 wrote to memory of 2788 2888 c36a27c853f9b925df2fd90972ca2eda0c2bcacbce37eb404b05ca306b731a18.exe 30 PID 2888 wrote to memory of 2788 2888 c36a27c853f9b925df2fd90972ca2eda0c2bcacbce37eb404b05ca306b731a18.exe 30 PID 2888 wrote to memory of 2788 2888 c36a27c853f9b925df2fd90972ca2eda0c2bcacbce37eb404b05ca306b731a18.exe 30 PID 2888 wrote to memory of 2788 2888 c36a27c853f9b925df2fd90972ca2eda0c2bcacbce37eb404b05ca306b731a18.exe 30 PID 2888 wrote to memory of 2532 2888 c36a27c853f9b925df2fd90972ca2eda0c2bcacbce37eb404b05ca306b731a18.exe 32 PID 2888 wrote to memory of 2532 2888 c36a27c853f9b925df2fd90972ca2eda0c2bcacbce37eb404b05ca306b731a18.exe 32 PID 2888 wrote to memory of 2532 2888 c36a27c853f9b925df2fd90972ca2eda0c2bcacbce37eb404b05ca306b731a18.exe 32 PID 2888 wrote to memory of 2532 2888 c36a27c853f9b925df2fd90972ca2eda0c2bcacbce37eb404b05ca306b731a18.exe 32 PID 2888 wrote to memory of 2000 2888 c36a27c853f9b925df2fd90972ca2eda0c2bcacbce37eb404b05ca306b731a18.exe 34 PID 2888 wrote to memory of 2000 2888 c36a27c853f9b925df2fd90972ca2eda0c2bcacbce37eb404b05ca306b731a18.exe 34 PID 2888 wrote to memory of 2000 2888 c36a27c853f9b925df2fd90972ca2eda0c2bcacbce37eb404b05ca306b731a18.exe 34 PID 2888 wrote to memory of 2000 2888 c36a27c853f9b925df2fd90972ca2eda0c2bcacbce37eb404b05ca306b731a18.exe 34 PID 2888 wrote to memory of 2000 2888 c36a27c853f9b925df2fd90972ca2eda0c2bcacbce37eb404b05ca306b731a18.exe 34 PID 2888 wrote to memory of 2000 2888 c36a27c853f9b925df2fd90972ca2eda0c2bcacbce37eb404b05ca306b731a18.exe 34 PID 2888 wrote to memory of 2000 2888 c36a27c853f9b925df2fd90972ca2eda0c2bcacbce37eb404b05ca306b731a18.exe 34 PID 2888 wrote to memory of 2000 2888 c36a27c853f9b925df2fd90972ca2eda0c2bcacbce37eb404b05ca306b731a18.exe 34 PID 2888 wrote to memory of 2000 2888 c36a27c853f9b925df2fd90972ca2eda0c2bcacbce37eb404b05ca306b731a18.exe 34 PID 2888 wrote to memory of 2000 2888 c36a27c853f9b925df2fd90972ca2eda0c2bcacbce37eb404b05ca306b731a18.exe 34 PID 2888 wrote to memory of 2000 2888 c36a27c853f9b925df2fd90972ca2eda0c2bcacbce37eb404b05ca306b731a18.exe 34 PID 2888 wrote to memory of 2000 2888 c36a27c853f9b925df2fd90972ca2eda0c2bcacbce37eb404b05ca306b731a18.exe 34 PID 2888 wrote to memory of 2000 2888 c36a27c853f9b925df2fd90972ca2eda0c2bcacbce37eb404b05ca306b731a18.exe 34
Processes
-
C:\Users\Admin\AppData\Local\Temp\c36a27c853f9b925df2fd90972ca2eda0c2bcacbce37eb404b05ca306b731a18.exe"C:\Users\Admin\AppData\Local\Temp\c36a27c853f9b925df2fd90972ca2eda0c2bcacbce37eb404b05ca306b731a18.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2888 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\FWBWoxNaDhm.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2788
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FWBWoxNaDhm" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4F0.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2532
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"2⤵
- Suspicious use of SetWindowsHookEx
PID:2000
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1KB
MD52edc78944968948f4f808d224ab12cfc
SHA1c2b6949f32ea43c4288734a9f8a83ea186a25cf1
SHA256ae70babc64baf0ad84df51ba16d736bddea6320fae00fb6ffbbc56344567f9b1
SHA5123aff37a0dee953c0c62deebbf7775eb2f2c46158784a4a57c93e13212df12675e829a990cee719661da932829686efcfe5e49ee2f07baf62efcc1cd43d413109
-
Filesize
144B
MD56e573317119bc3d64a15e2872610b0dd
SHA1b84073ccde1e1ff2b8c594014960f5c6c7f964ec
SHA256267f5cd05670fc14e2f0879dbceab85b7adf5e4173dd3f8dd7428100068da405
SHA51273e1f368a5dda842c125ba04329f022b326554164caee99766f336abec45d2fa8d7905ab7a4a02abb1e9739417b122f4428ce67ee1c31e94720e28b99aaf3c80