1c41d403e66b43f22be8ca512e22483be53f4c8ea2061d72279bf94802a58538

General

Target

1c41d403e66b43f22be8ca512e22483be53f4c8ea2061d72279bf94802a58538.exe
Size

62KB
MD5

d0961ebbbb96c022100600a224d216fc
SHA1

949495ea7e34f9e5859603a6a4887741ce8833cd
SHA256

1c41d403e66b43f22be8ca512e22483be53f4c8ea2061d72279bf94802a58538
SHA512

5d4e1875dd53f0a58a01f5aff15e9f6395904d9c422f9c84061a6ec99b428cc34bea1591669d064b050e5ed0c456d1a3a643e6c73f03cb1ade3867f17107cac1
SSDEEP

768:fQiFq/HBQ/FuktI39dPOsB9kjI41E14grGe76g80MD7q/HBQQQOtZaO7X/RAaabu:4gquFSk3iMD7qVtzDR5aKiBlGKFCB

Score

5^/10

discovery

Malware Config

Signatures

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1456 set thread context of 3256	1456	1c41d403e66b43f22be8ca512e22483be53f4c8ea2061d72279bf94802a58538.exe	84

Program crash 1 IoCs

pid	pid_target	Process	procid_target
312	2248	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	1c41d403e66b43f22be8ca512e22483be53f4c8ea2061d72279bf94802a58538.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1c41d403e66b43f22be8ca512e22483be53f4c8ea2061d72279bf94802a58538.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2248	winver.exe
2248	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3440	Explorer.EXE
Token: SeCreatePagefilePrivilege	3440	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2248	winver.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1456	1c41d403e66b43f22be8ca512e22483be53f4c8ea2061d72279bf94802a58538.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3440	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1456 wrote to memory of 3256	1456	1c41d403e66b43f22be8ca512e22483be53f4c8ea2061d72279bf94802a58538.exe	84
PID 1456 wrote to memory of 3256	1456	1c41d403e66b43f22be8ca512e22483be53f4c8ea2061d72279bf94802a58538.exe	84
PID 1456 wrote to memory of 3256	1456	1c41d403e66b43f22be8ca512e22483be53f4c8ea2061d72279bf94802a58538.exe	84
PID 1456 wrote to memory of 3256	1456	1c41d403e66b43f22be8ca512e22483be53f4c8ea2061d72279bf94802a58538.exe	84
PID 1456 wrote to memory of 3256	1456	1c41d403e66b43f22be8ca512e22483be53f4c8ea2061d72279bf94802a58538.exe	84
PID 1456 wrote to memory of 3256	1456	1c41d403e66b43f22be8ca512e22483be53f4c8ea2061d72279bf94802a58538.exe	84
PID 3256 wrote to memory of 2248	3256	1c41d403e66b43f22be8ca512e22483be53f4c8ea2061d72279bf94802a58538.exe	85
PID 3256 wrote to memory of 2248	3256	1c41d403e66b43f22be8ca512e22483be53f4c8ea2061d72279bf94802a58538.exe	85
PID 3256 wrote to memory of 2248	3256	1c41d403e66b43f22be8ca512e22483be53f4c8ea2061d72279bf94802a58538.exe	85
PID 3256 wrote to memory of 2248	3256	1c41d403e66b43f22be8ca512e22483be53f4c8ea2061d72279bf94802a58538.exe	85
PID 2248 wrote to memory of 3440	2248	winver.exe	56
PID 2248 wrote to memory of 2652	2248	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2652

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3440
- C:\Users\Admin\AppData\Local\Temp\1c41d403e66b43f22be8ca512e22483be53f4c8ea2061d72279bf94802a58538.exe
  "C:\Users\Admin\AppData\Local\Temp\1c41d403e66b43f22be8ca512e22483be53f4c8ea2061d72279bf94802a58538.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1456
- - C:\Users\Admin\AppData\Local\Temp\1c41d403e66b43f22be8ca512e22483be53f4c8ea2061d72279bf94802a58538.exe
    "C:\Users\Admin\AppData\Local\Temp\1c41d403e66b43f22be8ca512e22483be53f4c8ea2061d72279bf94802a58538.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3256
  - - 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:2248
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2248 -s 368
        5⤵
        Program crash
        
        PID:312

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2248 -ip 2248
1⤵
PID:4928

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

Loading Replay Monitor...

Downloads

memory/2248-8-0x0000000077182000-0x0000000077183000-memory.dmp

Filesize
4KB

Download
memory/2248-5-0x00000000013B0000-0x00000000013B6000-memory.dmp

Filesize
24KB

Download
memory/2248-3-0x00000000013B0000-0x00000000013B6000-memory.dmp

Filesize
24KB

Download
memory/2248-11-0x00007FFFE4150000-0x00007FFFE4345000-memory.dmp

Filesize
2.0MB

Download
memory/2248-17-0x00000000013B0000-0x00000000013B6000-memory.dmp

Filesize
24KB

Download
memory/2652-15-0x0000000000F90000-0x0000000000F96000-memory.dmp

Filesize
24KB

Download
memory/2652-16-0x0000000000F90000-0x0000000000F96000-memory.dmp

Filesize
24KB

Download
memory/3256-2-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/3440-10-0x00007FFFE41ED000-0x00007FFFE41EE000-memory.dmp

Filesize
4KB

Download
memory/3440-9-0x0000000002C80000-0x0000000002C86000-memory.dmp

Filesize
24KB

Download
memory/3440-12-0x00007FFFE4380000-0x00007FFFE4381000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing