ba23cf628b7650dbfe38b3274e9e185fb592f6bb41df6de7dadd8915ae604041

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
28/10/2024, 04:01

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General

Target
ba23cf628b7650dbfe38b3274e9e185fb592f6bb41df6de7dadd8915ae604041.exe
Size 58KB
Sample241028-elfzeszflf
SHA256 ba23cf628b7650dbfe38b3274e9e185fb592f6bb41df6de7dadd8915ae604041
MD5 b8590487e7ff6483fb65772f35bc95e6
SHA1 fa8556ac91d786007e9803d6d4ccb897cba9306a
SHA512 47fb05c41397064fafc85232da42c2200b739664dbd2bd53cd7a931ebf91710e2b745a630ede12de660cc951c97801ad3d5e8e1d0afa550bab72985db9b927a5
SSDEEP 768:WM5WaKyBevI8OHKA+hmXid6Z9HUEMyerTAzwavKCFC/nGVykmBdwxkpNZsP:V5P2vIg7dNrTAzZv3FaGU5LRm
MD5 SHA1 SHA512 SSDEEP

Score

5^/10

discovery

Malware Config

Signatures

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4332 set thread context of 3512	4332	ba23cf628b7650dbfe38b3274e9e185fb592f6bb41df6de7dadd8915ae604041.exe	84

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3652	4808	WerFault.exe	85

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 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4808	winver.exe
4808	winver.exe

Suspicious use of AdjustPrivilegeToken 18 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
4808	winver.exe
3428	Explorer.EXE
3428	Explorer.EXE

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4332	ba23cf628b7650dbfe38b3274e9e185fb592f6bb41df6de7dadd8915ae604041.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3428	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4332 wrote to memory of 3512	4332	ba23cf628b7650dbfe38b3274e9e185fb592f6bb41df6de7dadd8915ae604041.exe	84
PID 4332 wrote to memory of 3512	4332	ba23cf628b7650dbfe38b3274e9e185fb592f6bb41df6de7dadd8915ae604041.exe	84
PID 4332 wrote to memory of 3512	4332	ba23cf628b7650dbfe38b3274e9e185fb592f6bb41df6de7dadd8915ae604041.exe	84
PID 4332 wrote to memory of 3512	4332	ba23cf628b7650dbfe38b3274e9e185fb592f6bb41df6de7dadd8915ae604041.exe	84
PID 4332 wrote to memory of 3512	4332	ba23cf628b7650dbfe38b3274e9e185fb592f6bb41df6de7dadd8915ae604041.exe	84
PID 4332 wrote to memory of 3512	4332	ba23cf628b7650dbfe38b3274e9e185fb592f6bb41df6de7dadd8915ae604041.exe	84
PID 3512 wrote to memory of 4808	3512	ba23cf628b7650dbfe38b3274e9e185fb592f6bb41df6de7dadd8915ae604041.exe	85
PID 3512 wrote to memory of 4808	3512	ba23cf628b7650dbfe38b3274e9e185fb592f6bb41df6de7dadd8915ae604041.exe	85
PID 3512 wrote to memory of 4808	3512	ba23cf628b7650dbfe38b3274e9e185fb592f6bb41df6de7dadd8915ae604041.exe	85
PID 3512 wrote to memory of 4808	3512	ba23cf628b7650dbfe38b3274e9e185fb592f6bb41df6de7dadd8915ae604041.exe	85
PID 4808 wrote to memory of 3428	4808	winver.exe	56
PID 4808 wrote to memory of 912	4808	winver.exe	51

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:912

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:3428
- 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:4332
- - 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:3512
  - - 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:4808
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4808 -s 400
        5⤵
        Program crash
        
        PID:3652

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4808 -ip 4808
1⤵
PID:3576

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/912-15-0x0000000000450000-0x0000000000456000-memory.dmp

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memory/912-20-0x00007FFB2F230000-0x00007FFB2F231000-memory.dmp

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memory/912-16-0x0000000000450000-0x0000000000456000-memory.dmp

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memory/3428-11-0x00007FFB2F0AD000-0x00007FFB2F0AE000-memory.dmp

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memory/3428-17-0x00007FFB2F220000-0x00007FFB2F221000-memory.dmp

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memory/3428-9-0x0000000002EB0000-0x0000000002EB6000-memory.dmp

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memory/3428-3-0x0000000002EB0000-0x0000000002EB6000-memory.dmp

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memory/3428-12-0x00007FFB2F240000-0x00007FFB2F241000-memory.dmp

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memory/3512-2-0x0000000000400000-0x0000000000405000-memory.dmp

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memory/4808-10-0x0000000077562000-0x0000000077563000-memory.dmp

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memory/4808-8-0x0000000000660000-0x0000000000672000-memory.dmp

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memory/4808-7-0x0000000000661000-0x0000000000662000-memory.dmp

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memory/4808-18-0x0000000000540000-0x0000000000546000-memory.dmp

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memory/4808-4-0x0000000000540000-0x0000000000546000-memory.dmp

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