737ce76ff0675f4ed8ec09a10a8d56a9d07c4deade1b353ab12738eef221996d

Analysis

max time kernel
140s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
23/07/2024, 22:59

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General

Target
737ce76ff0675f4ed8ec09a10a8d56a9d07c4deade1b353ab12738eef221996d.exe
Size 68KB
Sample240723-2yk58stdqp
SHA256 737ce76ff0675f4ed8ec09a10a8d56a9d07c4deade1b353ab12738eef221996d
MD5 e549b33d92524a8804f4e4599ac256ce
SHA1 a1493426e7bfdf9c55bac44ee5d92505750adef3
SHA512 1b1f9c6c8f9c8392c53ea50bacff530dbc851b7cc823c83384cdb74d2ac18a1adb863a89ef2e100d5f8921e1d12035c087317b821d25a23dc24de3ccf2946fbe
SSDEEP 768:EwaGd7Lw/nrrxDL/GOv2/w6HSa0fYSPNZsxRXQ1d2yg/QmWKHZyiVlaW4OHZ0Em:E47urp3v23HSa0AMNyfQ1d2y4Z4P
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2232	368	WerFault.exe	90

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	737ce76ff0675f4ed8ec09a10a8d56a9d07c4deade1b353ab12738eef221996d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	737ce76ff0675f4ed8ec09a10a8d56a9d07c4deade1b353ab12738eef221996d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
368	winver.exe
368	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3416	Explorer.EXE
Token: SeCreatePagefilePrivilege	3416	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
368	winver.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1392	737ce76ff0675f4ed8ec09a10a8d56a9d07c4deade1b353ab12738eef221996d.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3416	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1392 wrote to memory of 3912	1392	737ce76ff0675f4ed8ec09a10a8d56a9d07c4deade1b353ab12738eef221996d.exe	89
PID 1392 wrote to memory of 3912	1392	737ce76ff0675f4ed8ec09a10a8d56a9d07c4deade1b353ab12738eef221996d.exe	89
PID 1392 wrote to memory of 3912	1392	737ce76ff0675f4ed8ec09a10a8d56a9d07c4deade1b353ab12738eef221996d.exe	89
PID 1392 wrote to memory of 3912	1392	737ce76ff0675f4ed8ec09a10a8d56a9d07c4deade1b353ab12738eef221996d.exe	89
PID 1392 wrote to memory of 3912	1392	737ce76ff0675f4ed8ec09a10a8d56a9d07c4deade1b353ab12738eef221996d.exe	89
PID 1392 wrote to memory of 3912	1392	737ce76ff0675f4ed8ec09a10a8d56a9d07c4deade1b353ab12738eef221996d.exe	89
PID 1392 wrote to memory of 3912	1392	737ce76ff0675f4ed8ec09a10a8d56a9d07c4deade1b353ab12738eef221996d.exe	89
PID 1392 wrote to memory of 3912	1392	737ce76ff0675f4ed8ec09a10a8d56a9d07c4deade1b353ab12738eef221996d.exe	89
PID 1392 wrote to memory of 3912	1392	737ce76ff0675f4ed8ec09a10a8d56a9d07c4deade1b353ab12738eef221996d.exe	89
PID 1392 wrote to memory of 3912	1392	737ce76ff0675f4ed8ec09a10a8d56a9d07c4deade1b353ab12738eef221996d.exe	89
PID 1392 wrote to memory of 3912	1392	737ce76ff0675f4ed8ec09a10a8d56a9d07c4deade1b353ab12738eef221996d.exe	89
PID 1392 wrote to memory of 3912	1392	737ce76ff0675f4ed8ec09a10a8d56a9d07c4deade1b353ab12738eef221996d.exe	89
PID 3912 wrote to memory of 368	3912	737ce76ff0675f4ed8ec09a10a8d56a9d07c4deade1b353ab12738eef221996d.exe	90
PID 3912 wrote to memory of 368	3912	737ce76ff0675f4ed8ec09a10a8d56a9d07c4deade1b353ab12738eef221996d.exe	90
PID 3912 wrote to memory of 368	3912	737ce76ff0675f4ed8ec09a10a8d56a9d07c4deade1b353ab12738eef221996d.exe	90
PID 3912 wrote to memory of 368	3912	737ce76ff0675f4ed8ec09a10a8d56a9d07c4deade1b353ab12738eef221996d.exe	90
PID 368 wrote to memory of 3416	368	winver.exe	56
PID 368 wrote to memory of 2644	368	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2644

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3416
- C:\Users\Admin\AppData\Local\Temp\737ce76ff0675f4ed8ec09a10a8d56a9d07c4deade1b353ab12738eef221996d.exe
  "C:\Users\Admin\AppData\Local\Temp\737ce76ff0675f4ed8ec09a10a8d56a9d07c4deade1b353ab12738eef221996d.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1392
- - C:\Users\Admin\AppData\Local\Temp\737ce76ff0675f4ed8ec09a10a8d56a9d07c4deade1b353ab12738eef221996d.exe
    "C:\Users\Admin\AppData\Local\Temp\737ce76ff0675f4ed8ec09a10a8d56a9d07c4deade1b353ab12738eef221996d.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3912
  - - 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:368
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 368 -s 636
        5⤵
        Program crash
        
        PID:2232

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 368 -ip 368
1⤵
PID:916

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/368-11-0x0000000000D60000-0x0000000000D72000-memory.dmp

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memory/368-17-0x0000000002A70000-0x0000000002A77000-memory.dmp

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memory/368-10-0x0000000000D61000-0x0000000000D62000-memory.dmp

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memory/368-7-0x0000000002A70000-0x0000000002A77000-memory.dmp

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memory/1392-3-0x00000000021D0000-0x00000000021D6000-memory.dmp

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memory/1392-2-0x00000000021D0000-0x00000000021D6000-memory.dmp

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memory/2644-20-0x00007FFD4ECB0000-0x00007FFD4ECB1000-memory.dmp

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memory/2644-16-0x00000000002C0000-0x00000000002C7000-memory.dmp

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memory/2644-15-0x00000000002C0000-0x00000000002C7000-memory.dmp

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memory/3416-13-0x00007FFD4EB2D000-0x00007FFD4EB2E000-memory.dmp

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memory/3416-12-0x00000000008D0000-0x00000000008D7000-memory.dmp

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memory/3416-6-0x00000000008D0000-0x00000000008D7000-memory.dmp

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memory/3912-4-0x0000000000400000-0x0000000000405000-memory.dmp

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memory/3912-5-0x0000000000400000-0x0000000000404A00-memory.dmp

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