41261be7cbf6a77fbac87b5b2580e4556756c759e675e07ab7b4e29279b3ca97

General

Target
41261be7cbf6a77fbac87b5b2580e4556756c759e675e07ab7b4e29279b3ca97.exe
Size 3.9MB
Sample260509-e6f5xsdz7k
SHA256 41261be7cbf6a77fbac87b5b2580e4556756c759e675e07ab7b4e29279b3ca97
MD5 992d6a21b2bc51928dce65a56550a794
SHA1 8b365582044499370c4e96df5c6d7ec104b171b7
SHA512 b10db76b99fe710b147d96038e88f4789aaad10740a770da7aa407157256632fab4f044a23362d07ee47517c9ad696af816b3ac5a76ee367387659a4a5e83c9f
SSDEEP 98304:staVp66xC3pXeyT/R2gVs7yB09NWDU1fHoNla3eQFLOAkGkzdnEVomFHKnPw:sI7w2Ys7yB09NWDU1fHoNla3eQFLOyoo
TLSH
T1BD16BFB0BFFC7879E0520132F6A8723C62DBBE70AE750117914AB91E75726C215B9D23
MD5 SHA1 SHA512 SSDEEP TLSH

Score

6^/10

discovery persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\*scrserver = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\scrlauncher.exe\" scrserver.exe"	41261be7cbf6a77fbac87b5b2580e4556756c759e675e07ab7b4e29279b3ca97.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\*scrserver = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\scrlauncher.exe\" scrserver.exe"	41261be7cbf6a77fbac87b5b2580e4556756c759e675e07ab7b4e29279b3ca97.exe

System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	41261be7cbf6a77fbac87b5b2580e4556756c759e675e07ab7b4e29279b3ca97.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1900	41261be7cbf6a77fbac87b5b2580e4556756c759e675e07ab7b4e29279b3ca97.exe
Token: SeDebugPrivilege	1900	41261be7cbf6a77fbac87b5b2580e4556756c759e675e07ab7b4e29279b3ca97.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1900	41261be7cbf6a77fbac87b5b2580e4556756c759e675e07ab7b4e29279b3ca97.exe
1900	41261be7cbf6a77fbac87b5b2580e4556756c759e675e07ab7b4e29279b3ca97.exe
1900	41261be7cbf6a77fbac87b5b2580e4556756c759e675e07ab7b4e29279b3ca97.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1900 wrote to memory of 5720	1900	41261be7cbf6a77fbac87b5b2580e4556756c759e675e07ab7b4e29279b3ca97.exe	80
PID 5720 wrote to memory of 2440	5720	net.exe	82
PID 1900 wrote to memory of 5016	1900	41261be7cbf6a77fbac87b5b2580e4556756c759e675e07ab7b4e29279b3ca97.exe	83
PID 5016 wrote to memory of 5048	5016	net.exe	85
PID 1900 wrote to memory of 3940	1900	41261be7cbf6a77fbac87b5b2580e4556756c759e675e07ab7b4e29279b3ca97.exe	86
PID 3940 wrote to memory of 1724	3940	net.exe	88
PID 1900 wrote to memory of 6016	1900	41261be7cbf6a77fbac87b5b2580e4556756c759e675e07ab7b4e29279b3ca97.exe	89
PID 6016 wrote to memory of 4896	6016	net.exe	91

C:\Users\Admin\AppData\Local\Temp\41261be7cbf6a77fbac87b5b2580e4556756c759e675e07ab7b4e29279b3ca97.exe
"C:\Users\Admin\AppData\Local\Temp\41261be7cbf6a77fbac87b5b2580e4556756c759e675e07ab7b4e29279b3ca97.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1900
- C:\Windows\SysWOW64\net.exe
  net start MainScrService
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5720
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 start MainScrService
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2440
- C:\Windows\SysWOW64\net.exe
  net start MainScrService
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5016
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 start MainScrService
    3⤵
    - System Location Discovery: System Language Discovery
    PID:5048
- C:\Windows\SysWOW64\net.exe
  net start MainScrService
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3940
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 start MainScrService
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1724
- C:\Windows\SysWOW64\net.exe
  net start MainScrService
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:6016
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 start MainScrService
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4896