Analysis
-
max time kernel
190s -
max time network
190s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
26/11/2022, 23:21
Static task
static1
Behavioral task
behavioral1
Sample
8e10b2dae6210565323090ff5780d7daa31da0a27336b2ebdaf8871057dfd8ea.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
8e10b2dae6210565323090ff5780d7daa31da0a27336b2ebdaf8871057dfd8ea.exe
Resource
win10v2004-20221111-en
General
-
Target
8e10b2dae6210565323090ff5780d7daa31da0a27336b2ebdaf8871057dfd8ea.exe
-
Size
339KB
-
MD5
b7ed79baa3588b376737279e74a907d6
-
SHA1
d6bbb6e08f58cd534f0237bd248ad0df3b76bf7a
-
SHA256
8e10b2dae6210565323090ff5780d7daa31da0a27336b2ebdaf8871057dfd8ea
-
SHA512
6c5e9dd57ad7b311910e0c882b163f7acd169c7112674d2ffa14f4f9eb32a675e06b7b823588bf1dfaa10c532672e510d6b1ad0f2f77c6378ae8090b621b9921
-
SSDEEP
3072:0caUw2aT5H9rxZndLRf1jJXfMGXqaQaqP7NXJj1eQac2ZzFvhbJLwsOj4PPsJWi3:DG1M6TVx
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
pid Process 524 SMD.exe -
Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 2492 netsh.exe -
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 8e10b2dae6210565323090ff5780d7daa31da0a27336b2ebdaf8871057dfd8ea.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\01c7f33a6f5dfbb94e3dd6b088b7d9a0.exe SMD.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\01c7f33a6f5dfbb94e3dd6b088b7d9a0.exe SMD.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\01c7f33a6f5dfbb94e3dd6b088b7d9a0 = "\"C:\\Users\\Admin\\AppData\\Roaming\\SMD.exe\" .." SMD.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\01c7f33a6f5dfbb94e3dd6b088b7d9a0 = "\"C:\\Users\\Admin\\AppData\\Roaming\\SMD.exe\" .." SMD.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious behavior: EnumeratesProcesses 36 IoCs
pid Process 524 SMD.exe 524 SMD.exe 524 SMD.exe 524 SMD.exe 524 SMD.exe 524 SMD.exe 524 SMD.exe 524 SMD.exe 524 SMD.exe 524 SMD.exe 524 SMD.exe 524 SMD.exe 524 SMD.exe 524 SMD.exe 524 SMD.exe 524 SMD.exe 524 SMD.exe 524 SMD.exe 524 SMD.exe 524 SMD.exe 524 SMD.exe 524 SMD.exe 524 SMD.exe 524 SMD.exe 524 SMD.exe 524 SMD.exe 524 SMD.exe 524 SMD.exe 524 SMD.exe 524 SMD.exe 524 SMD.exe 524 SMD.exe 524 SMD.exe 524 SMD.exe 524 SMD.exe 524 SMD.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 524 SMD.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2952 wrote to memory of 524 2952 8e10b2dae6210565323090ff5780d7daa31da0a27336b2ebdaf8871057dfd8ea.exe 82 PID 2952 wrote to memory of 524 2952 8e10b2dae6210565323090ff5780d7daa31da0a27336b2ebdaf8871057dfd8ea.exe 82 PID 2952 wrote to memory of 524 2952 8e10b2dae6210565323090ff5780d7daa31da0a27336b2ebdaf8871057dfd8ea.exe 82 PID 524 wrote to memory of 2492 524 SMD.exe 83 PID 524 wrote to memory of 2492 524 SMD.exe 83 PID 524 wrote to memory of 2492 524 SMD.exe 83
Processes
-
C:\Users\Admin\AppData\Local\Temp\8e10b2dae6210565323090ff5780d7daa31da0a27336b2ebdaf8871057dfd8ea.exe"C:\Users\Admin\AppData\Local\Temp\8e10b2dae6210565323090ff5780d7daa31da0a27336b2ebdaf8871057dfd8ea.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2952 -
C:\Users\Admin\AppData\Roaming\SMD.exe"C:\Users\Admin\AppData\Roaming\SMD.exe"2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:524 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\SMD.exe" "SMD.exe" ENABLE3⤵
- Modifies Windows Firewall
PID:2492
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
339KB
MD5b7ed79baa3588b376737279e74a907d6
SHA1d6bbb6e08f58cd534f0237bd248ad0df3b76bf7a
SHA2568e10b2dae6210565323090ff5780d7daa31da0a27336b2ebdaf8871057dfd8ea
SHA5126c5e9dd57ad7b311910e0c882b163f7acd169c7112674d2ffa14f4f9eb32a675e06b7b823588bf1dfaa10c532672e510d6b1ad0f2f77c6378ae8090b621b9921
-
Filesize
339KB
MD5b7ed79baa3588b376737279e74a907d6
SHA1d6bbb6e08f58cd534f0237bd248ad0df3b76bf7a
SHA2568e10b2dae6210565323090ff5780d7daa31da0a27336b2ebdaf8871057dfd8ea
SHA5126c5e9dd57ad7b311910e0c882b163f7acd169c7112674d2ffa14f4f9eb32a675e06b7b823588bf1dfaa10c532672e510d6b1ad0f2f77c6378ae8090b621b9921