Analysis
-
max time kernel
148s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
14-07-2022 00:06
Static task
static1
Behavioral task
behavioral1
Sample
495665943729e5e1b5f20ffb2352188fecea6e6d44f4c45479f74c8a931cbca8.exe
Resource
win7-20220414-en
General
-
Target
495665943729e5e1b5f20ffb2352188fecea6e6d44f4c45479f74c8a931cbca8.exe
-
Size
480KB
-
MD5
64584e3e6a53cf2b078f363575826c8b
-
SHA1
e85449f08c53e6bd5742eb8edb4d559692dce617
-
SHA256
495665943729e5e1b5f20ffb2352188fecea6e6d44f4c45479f74c8a931cbca8
-
SHA512
dbd8483ac6f4b99a3ad29c32b944246c1d43d00f99fd4a5a2c01146145f923505d002c1b92755da273fbad5f8f880de33a1e1d5a50f952f1d8d59ee3479f9e8f
Malware Config
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-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation 495665943729e5e1b5f20ffb2352188fecea6e6d44f4c45479f74c8a931cbca8.exe -
Drops desktop.ini file(s) 2 IoCs
description ioc Process File created C:\Windows\assembly\Desktop.ini 495665943729e5e1b5f20ffb2352188fecea6e6d44f4c45479f74c8a931cbca8.exe File opened for modification C:\Windows\assembly\Desktop.ini 495665943729e5e1b5f20ffb2352188fecea6e6d44f4c45479f74c8a931cbca8.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2184 set thread context of 4304 2184 495665943729e5e1b5f20ffb2352188fecea6e6d44f4c45479f74c8a931cbca8.exe 83 -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\assembly 495665943729e5e1b5f20ffb2352188fecea6e6d44f4c45479f74c8a931cbca8.exe File created C:\Windows\assembly\Desktop.ini 495665943729e5e1b5f20ffb2352188fecea6e6d44f4c45479f74c8a931cbca8.exe File opened for modification C:\Windows\assembly\Desktop.ini 495665943729e5e1b5f20ffb2352188fecea6e6d44f4c45479f74c8a931cbca8.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4336 schtasks.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4304 495665943729e5e1b5f20ffb2352188fecea6e6d44f4c45479f74c8a931cbca8.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4304 495665943729e5e1b5f20ffb2352188fecea6e6d44f4c45479f74c8a931cbca8.exe Token: 33 4304 495665943729e5e1b5f20ffb2352188fecea6e6d44f4c45479f74c8a931cbca8.exe Token: SeIncBasePriorityPrivilege 4304 495665943729e5e1b5f20ffb2352188fecea6e6d44f4c45479f74c8a931cbca8.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4304 495665943729e5e1b5f20ffb2352188fecea6e6d44f4c45479f74c8a931cbca8.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2184 wrote to memory of 4336 2184 495665943729e5e1b5f20ffb2352188fecea6e6d44f4c45479f74c8a931cbca8.exe 81 PID 2184 wrote to memory of 4336 2184 495665943729e5e1b5f20ffb2352188fecea6e6d44f4c45479f74c8a931cbca8.exe 81 PID 2184 wrote to memory of 4336 2184 495665943729e5e1b5f20ffb2352188fecea6e6d44f4c45479f74c8a931cbca8.exe 81 PID 2184 wrote to memory of 4304 2184 495665943729e5e1b5f20ffb2352188fecea6e6d44f4c45479f74c8a931cbca8.exe 83 PID 2184 wrote to memory of 4304 2184 495665943729e5e1b5f20ffb2352188fecea6e6d44f4c45479f74c8a931cbca8.exe 83 PID 2184 wrote to memory of 4304 2184 495665943729e5e1b5f20ffb2352188fecea6e6d44f4c45479f74c8a931cbca8.exe 83 PID 2184 wrote to memory of 4304 2184 495665943729e5e1b5f20ffb2352188fecea6e6d44f4c45479f74c8a931cbca8.exe 83 PID 2184 wrote to memory of 4304 2184 495665943729e5e1b5f20ffb2352188fecea6e6d44f4c45479f74c8a931cbca8.exe 83 PID 2184 wrote to memory of 4304 2184 495665943729e5e1b5f20ffb2352188fecea6e6d44f4c45479f74c8a931cbca8.exe 83 PID 2184 wrote to memory of 4304 2184 495665943729e5e1b5f20ffb2352188fecea6e6d44f4c45479f74c8a931cbca8.exe 83 PID 2184 wrote to memory of 4304 2184 495665943729e5e1b5f20ffb2352188fecea6e6d44f4c45479f74c8a931cbca8.exe 83
Processes
-
C:\Users\Admin\AppData\Local\Temp\495665943729e5e1b5f20ffb2352188fecea6e6d44f4c45479f74c8a931cbca8.exe"C:\Users\Admin\AppData\Local\Temp\495665943729e5e1b5f20ffb2352188fecea6e6d44f4c45479f74c8a931cbca8.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2184 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Update\oconor" /XML "C:\Users\Admin\AppData\Local\Temp\z201"2⤵
- Creates scheduled task(s)
PID:4336
-
-
C:\Users\Admin\AppData\Local\Temp\495665943729e5e1b5f20ffb2352188fecea6e6d44f4c45479f74c8a931cbca8.exe"C:\Users\Admin\AppData\Local\Temp\495665943729e5e1b5f20ffb2352188fecea6e6d44f4c45479f74c8a931cbca8.exe"2⤵
- Drops desktop.ini file(s)
- Drops file in Windows directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4304
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1KB
MD5647c87c5edea152d5a8885157b2c171d
SHA1abbd8a854d9261bb3ff850417f2c7e206862ed08
SHA25654fb23af164c5e512b71099d3cf52b243b8ee5a75c8bab0752d61a9418cb4bac
SHA512be9b489ffb939dc0e3eb4d8ea0aa1252cf25f77696e49caaf855fd093ab824d8c1bfd217ab0eedc67931d21ba175cbc3b1198db939557188aa7069c65f01d8de