f6b61576fdaafb74827d76ef8a82d990b6b4c27bbb3c2a51d6a6506f39daf673

Analysis

max time kernel
118s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08/11/2024, 01:17

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General

Target
f6b61576fdaafb74827d76ef8a82d990b6b4c27bbb3c2a51d6a6506f39daf673N.exe
Size 89KB
Sample241108-bnm9qs1may
SHA256 f6b61576fdaafb74827d76ef8a82d990b6b4c27bbb3c2a51d6a6506f39daf673
MD5 762e6a229c846620bbbb11fbb6f36290
SHA1 d7c1ec24f3cd7d04076efd2cd9c6feb1450ed6eb
SHA512 1c9b3d44e32b01e58c6805f8fa0f0b13c2a9a8c8e073dd223c3a83a0f731966268a884977e4c139d89e4a81a9edec0b8677e2d9186e2b8de9388e58defbe9264
SSDEEP 1536:k9o65gQK3Zm+Mt9RV5O8oQ9cXFunGm6ManhFLnBqHan6owwosTk8vxA:k9o6fK2XqXQwhnHlqQo8Lvy
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1728	116	WerFault.exe	83

System Location Discovery: System Language Discovery 1 TTPs 2 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	f6b61576fdaafb74827d76ef8a82d990b6b4c27bbb3c2a51d6a6506f39daf673N.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
116	winver.exe
116	winver.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3484	Explorer.EXE
Token: SeCreatePagefilePrivilege	3484	Explorer.EXE
Token: SeShutdownPrivilege	3484	Explorer.EXE
Token: SeCreatePagefilePrivilege	3484	Explorer.EXE
Token: SeShutdownPrivilege	3484	Explorer.EXE
Token: SeCreatePagefilePrivilege	3484	Explorer.EXE
Token: SeShutdownPrivilege	3484	Explorer.EXE
Token: SeCreatePagefilePrivilege	3484	Explorer.EXE
Token: SeShutdownPrivilege	3484	Explorer.EXE
Token: SeCreatePagefilePrivilege	3484	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
116	winver.exe
3484	Explorer.EXE
3484	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3484	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1044 wrote to memory of 116	1044	f6b61576fdaafb74827d76ef8a82d990b6b4c27bbb3c2a51d6a6506f39daf673N.exe	83
PID 1044 wrote to memory of 116	1044	f6b61576fdaafb74827d76ef8a82d990b6b4c27bbb3c2a51d6a6506f39daf673N.exe	83
PID 1044 wrote to memory of 116	1044	f6b61576fdaafb74827d76ef8a82d990b6b4c27bbb3c2a51d6a6506f39daf673N.exe	83
PID 1044 wrote to memory of 116	1044	f6b61576fdaafb74827d76ef8a82d990b6b4c27bbb3c2a51d6a6506f39daf673N.exe	83
PID 116 wrote to memory of 3484	116	winver.exe	56
PID 116 wrote to memory of 2508	116	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2508

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:3484
- C:\Users\Admin\AppData\Local\Temp\f6b61576fdaafb74827d76ef8a82d990b6b4c27bbb3c2a51d6a6506f39daf673N.exe
  "C:\Users\Admin\AppData\Local\Temp\f6b61576fdaafb74827d76ef8a82d990b6b4c27bbb3c2a51d6a6506f39daf673N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1044
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:116
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 116 -s 632
      4⤵
      Program crash
      PID:1728

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 116 -ip 116
1⤵
PID:4696

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

Replay Monitor

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Downloads

memory/116-2-0x0000000000E00000-0x0000000000E06000-memory.dmp

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memory/116-14-0x0000000000E00000-0x0000000000E06000-memory.dmp

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memory/116-6-0x0000000077AC2000-0x0000000077AC3000-memory.dmp

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memory/116-8-0x00007FFA3ECD0000-0x00007FFA3EEC5000-memory.dmp

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memory/1044-11-0x00000000022A0000-0x0000000002CA0000-memory.dmp

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memory/1044-0-0x0000000000590000-0x0000000000592000-memory.dmp

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memory/1044-5-0x00000000022A0000-0x0000000002CA0000-memory.dmp

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memory/1044-10-0x0000000000400000-0x000000000041D000-memory.dmp

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memory/2508-12-0x0000000000C00000-0x0000000000C06000-memory.dmp

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memory/2508-13-0x0000000000C00000-0x0000000000C06000-memory.dmp

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memory/2508-17-0x00007FFA3EEF0000-0x00007FFA3EEF1000-memory.dmp

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memory/3484-9-0x00007FFA3EF00000-0x00007FFA3EF01000-memory.dmp

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memory/3484-7-0x00007FFA3ED6D000-0x00007FFA3ED6E000-memory.dmp

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memory/3484-4-0x00000000022B0000-0x00000000022B6000-memory.dmp

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memory/3484-1-0x00000000022B0000-0x00000000022B6000-memory.dmp

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memory/3484-16-0x00007FFA3EEE0000-0x00007FFA3EEE1000-memory.dmp

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