3f7c9a58918820566319d91244e12b0b9941947105e6cd94794fb84f1c066a53

General

Target

3f7c9a58918820566319d91244e12b0b9941947105e6cd94794fb84f1c066a53N.exe
Size

54KB
MD5

69f776613decfe0881a2b70843d64420
SHA1

9ecc5e4ea25e93a733ca1911ea63196acf3cb68b
SHA256

3f7c9a58918820566319d91244e12b0b9941947105e6cd94794fb84f1c066a53
SHA512

2934f9b94949d8b81da9b39d9aabbec16a1bd954af26e87fe693621c3b1331e79042ab5b51714c39407529eee95586a8766a7afc8ed69e678dc4ae60a664dd58
SSDEEP

768:j3CCRtWM5usSRJDTlLTOpJiqRZNoCRtxihG1gfFNsHWP4jBS:b5tPusSRJDTlLTOpJiaDjts4gfFi2+A

Score

5^/10

discovery

Malware Config

Signatures

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1788 set thread context of 3824	1788	3f7c9a58918820566319d91244e12b0b9941947105e6cd94794fb84f1c066a53N.exe	82

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1724	2908	WerFault.exe	83

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	3f7c9a58918820566319d91244e12b0b9941947105e6cd94794fb84f1c066a53N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3f7c9a58918820566319d91244e12b0b9941947105e6cd94794fb84f1c066a53N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2908	winver.exe
2908	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3420	Explorer.EXE
Token: SeCreatePagefilePrivilege	3420	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2908	winver.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1788	3f7c9a58918820566319d91244e12b0b9941947105e6cd94794fb84f1c066a53N.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1788 wrote to memory of 3824	1788	3f7c9a58918820566319d91244e12b0b9941947105e6cd94794fb84f1c066a53N.exe	82
PID 1788 wrote to memory of 3824	1788	3f7c9a58918820566319d91244e12b0b9941947105e6cd94794fb84f1c066a53N.exe	82
PID 1788 wrote to memory of 3824	1788	3f7c9a58918820566319d91244e12b0b9941947105e6cd94794fb84f1c066a53N.exe	82
PID 1788 wrote to memory of 3824	1788	3f7c9a58918820566319d91244e12b0b9941947105e6cd94794fb84f1c066a53N.exe	82
PID 1788 wrote to memory of 3824	1788	3f7c9a58918820566319d91244e12b0b9941947105e6cd94794fb84f1c066a53N.exe	82
PID 1788 wrote to memory of 3824	1788	3f7c9a58918820566319d91244e12b0b9941947105e6cd94794fb84f1c066a53N.exe	82
PID 3824 wrote to memory of 2908	3824	3f7c9a58918820566319d91244e12b0b9941947105e6cd94794fb84f1c066a53N.exe	83
PID 3824 wrote to memory of 2908	3824	3f7c9a58918820566319d91244e12b0b9941947105e6cd94794fb84f1c066a53N.exe	83
PID 3824 wrote to memory of 2908	3824	3f7c9a58918820566319d91244e12b0b9941947105e6cd94794fb84f1c066a53N.exe	83
PID 3824 wrote to memory of 2908	3824	3f7c9a58918820566319d91244e12b0b9941947105e6cd94794fb84f1c066a53N.exe	83
PID 2908 wrote to memory of 3420	2908	winver.exe	56
PID 2908 wrote to memory of 2848	2908	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2848

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3420
- C:\Users\Admin\AppData\Local\Temp\3f7c9a58918820566319d91244e12b0b9941947105e6cd94794fb84f1c066a53N.exe
  "C:\Users\Admin\AppData\Local\Temp\3f7c9a58918820566319d91244e12b0b9941947105e6cd94794fb84f1c066a53N.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1788
- - C:\Users\Admin\AppData\Local\Temp\3f7c9a58918820566319d91244e12b0b9941947105e6cd94794fb84f1c066a53N.exe
    "C:\Users\Admin\AppData\Local\Temp\3f7c9a58918820566319d91244e12b0b9941947105e6cd94794fb84f1c066a53N.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3824
  - - 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:2908
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2908 -s 392
        5⤵
        Program crash
        
        PID:1724

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2908 -ip 2908
1⤵
PID:3600

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/2848-13-0x0000000000F80000-0x0000000000F86000-memory.dmp

Filesize
24KB

Download
memory/2848-14-0x0000000000F80000-0x0000000000F86000-memory.dmp

Filesize
24KB

Download
memory/2908-4-0x0000000000560000-0x0000000000566000-memory.dmp

Filesize
24KB

Download
memory/2908-8-0x0000000000880000-0x0000000000892000-memory.dmp

Filesize
72KB

Download
memory/2908-6-0x0000000000881000-0x0000000000882000-memory.dmp

Filesize
4KB

Download
memory/2908-15-0x0000000000560000-0x0000000000566000-memory.dmp

Filesize
24KB

Download
memory/3420-3-0x0000000002FF0000-0x0000000002FF6000-memory.dmp

Filesize
24KB

Download
memory/3420-10-0x00007FF9A78CD000-0x00007FF9A78CE000-memory.dmp

Filesize
4KB

Download
memory/3420-9-0x0000000002FF0000-0x0000000002FF6000-memory.dmp

Filesize
24KB

Download
memory/3824-2-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download

Analysis

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