ba23cf628b7650dbfe38b3274e9e185fb592f6bb41df6de7dadd8915ae604041

General

Target

ba23cf628b7650dbfe38b3274e9e185fb592f6bb41df6de7dadd8915ae604041.exe
Size

58KB
MD5

b8590487e7ff6483fb65772f35bc95e6
SHA1

fa8556ac91d786007e9803d6d4ccb897cba9306a
SHA256

ba23cf628b7650dbfe38b3274e9e185fb592f6bb41df6de7dadd8915ae604041
SHA512

47fb05c41397064fafc85232da42c2200b739664dbd2bd53cd7a931ebf91710e2b745a630ede12de660cc951c97801ad3d5e8e1d0afa550bab72985db9b927a5
SSDEEP

768:WM5WaKyBevI8OHKA+hmXid6Z9HUEMyerTAzwavKCFC/nGVykmBdwxkpNZsP:V5P2vIg7dNrTAzZv3FaGU5LRm

Score

5^/10

discovery

Malware Config

Signatures

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5108 set thread context of 4508	5108	ba23cf628b7650dbfe38b3274e9e185fb592f6bb41df6de7dadd8915ae604041.exe	85

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3752	1140	WerFault.exe	86

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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ba23cf628b7650dbfe38b3274e9e185fb592f6bb41df6de7dadd8915ae604041.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ba23cf628b7650dbfe38b3274e9e185fb592f6bb41df6de7dadd8915ae604041.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Explorer.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1140	winver.exe
1140	winver.exe

Suspicious use of AdjustPrivilegeToken 26 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3404	Explorer.EXE
Token: SeCreatePagefilePrivilege	3404	Explorer.EXE
Token: SeShutdownPrivilege	3404	Explorer.EXE
Token: SeCreatePagefilePrivilege	3404	Explorer.EXE
Token: SeShutdownPrivilege	3404	Explorer.EXE
Token: SeCreatePagefilePrivilege	3404	Explorer.EXE
Token: SeShutdownPrivilege	3404	Explorer.EXE
Token: SeCreatePagefilePrivilege	3404	Explorer.EXE
Token: SeShutdownPrivilege	3404	Explorer.EXE
Token: SeCreatePagefilePrivilege	3404	Explorer.EXE
Token: SeShutdownPrivilege	3404	Explorer.EXE
Token: SeCreatePagefilePrivilege	3404	Explorer.EXE
Token: SeShutdownPrivilege	3404	Explorer.EXE
Token: SeCreatePagefilePrivilege	3404	Explorer.EXE
Token: SeShutdownPrivilege	3404	Explorer.EXE
Token: SeCreatePagefilePrivilege	3404	Explorer.EXE
Token: SeShutdownPrivilege	3404	Explorer.EXE
Token: SeCreatePagefilePrivilege	3404	Explorer.EXE
Token: SeShutdownPrivilege	3404	Explorer.EXE
Token: SeCreatePagefilePrivilege	3404	Explorer.EXE
Token: SeShutdownPrivilege	3404	Explorer.EXE
Token: SeCreatePagefilePrivilege	3404	Explorer.EXE
Token: SeShutdownPrivilege	3404	Explorer.EXE
Token: SeCreatePagefilePrivilege	3404	Explorer.EXE
Token: SeShutdownPrivilege	3404	Explorer.EXE
Token: SeCreatePagefilePrivilege	3404	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1140	winver.exe
3404	Explorer.EXE
3404	Explorer.EXE

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5108	ba23cf628b7650dbfe38b3274e9e185fb592f6bb41df6de7dadd8915ae604041.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3404	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 5108 wrote to memory of 4508	5108	ba23cf628b7650dbfe38b3274e9e185fb592f6bb41df6de7dadd8915ae604041.exe	85
PID 5108 wrote to memory of 4508	5108	ba23cf628b7650dbfe38b3274e9e185fb592f6bb41df6de7dadd8915ae604041.exe	85
PID 5108 wrote to memory of 4508	5108	ba23cf628b7650dbfe38b3274e9e185fb592f6bb41df6de7dadd8915ae604041.exe	85
PID 5108 wrote to memory of 4508	5108	ba23cf628b7650dbfe38b3274e9e185fb592f6bb41df6de7dadd8915ae604041.exe	85
PID 5108 wrote to memory of 4508	5108	ba23cf628b7650dbfe38b3274e9e185fb592f6bb41df6de7dadd8915ae604041.exe	85
PID 5108 wrote to memory of 4508	5108	ba23cf628b7650dbfe38b3274e9e185fb592f6bb41df6de7dadd8915ae604041.exe	85
PID 4508 wrote to memory of 1140	4508	ba23cf628b7650dbfe38b3274e9e185fb592f6bb41df6de7dadd8915ae604041.exe	86
PID 4508 wrote to memory of 1140	4508	ba23cf628b7650dbfe38b3274e9e185fb592f6bb41df6de7dadd8915ae604041.exe	86
PID 4508 wrote to memory of 1140	4508	ba23cf628b7650dbfe38b3274e9e185fb592f6bb41df6de7dadd8915ae604041.exe	86
PID 4508 wrote to memory of 1140	4508	ba23cf628b7650dbfe38b3274e9e185fb592f6bb41df6de7dadd8915ae604041.exe	86
PID 1140 wrote to memory of 3404	1140	winver.exe	56
PID 1140 wrote to memory of 2832	1140	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2832

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
PID:3404
- C:\Users\Admin\AppData\Local\Temp\ba23cf628b7650dbfe38b3274e9e185fb592f6bb41df6de7dadd8915ae604041.exe
  "C:\Users\Admin\AppData\Local\Temp\ba23cf628b7650dbfe38b3274e9e185fb592f6bb41df6de7dadd8915ae604041.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:5108
- - C:\Users\Admin\AppData\Local\Temp\ba23cf628b7650dbfe38b3274e9e185fb592f6bb41df6de7dadd8915ae604041.exe
    "C:\Users\Admin\AppData\Local\Temp\ba23cf628b7650dbfe38b3274e9e185fb592f6bb41df6de7dadd8915ae604041.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4508
  - - C:\Windows\SysWOW64\winver.exe
      winver
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of FindShellTrayWindow
      Suspicious use of WriteProcessMemory
      PID:1140
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1140 -s 392
        5⤵
        Program crash
        
        PID:3752

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1140 -ip 1140
1⤵
PID:828

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1140-8-0x0000000077E42000-0x0000000077E43000-memory.dmp

Filesize
4KB

Download
memory/1140-16-0x0000000002260000-0x0000000002266000-memory.dmp

Filesize
24KB

Download
memory/1140-7-0x0000000002260000-0x0000000002266000-memory.dmp

Filesize
24KB

Download
memory/1140-4-0x0000000002260000-0x0000000002266000-memory.dmp

Filesize
24KB

Download
memory/2832-15-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/2832-14-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/2832-19-0x00007FFC4C610000-0x00007FFC4C611000-memory.dmp

Filesize
4KB

Download
memory/3404-9-0x0000000001440000-0x0000000001446000-memory.dmp

Filesize
24KB

Download
memory/3404-10-0x00007FFC4C48D000-0x00007FFC4C48E000-memory.dmp

Filesize
4KB

Download
memory/3404-11-0x00007FFC4C620000-0x00007FFC4C621000-memory.dmp

Filesize
4KB

Download
memory/3404-3-0x0000000001440000-0x0000000001446000-memory.dmp

Filesize
24KB

Download
memory/3404-18-0x00007FFC4C600000-0x00007FFC4C601000-memory.dmp

Filesize
4KB

Download
memory/4508-2-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download

Analysis

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