8622c9638cf2b335fd17ed3ecf5b438e37fc07834f55a0689175ec12e52bae4e

General

Target

8622c9638cf2b335fd17ed3ecf5b438e37fc07834f55a0689175ec12e52bae4eN.exe
Size

89KB
MD5

0ea3b2e453e60f228a602174e4af3850
SHA1

3f8be2c31e9f0b5cdecf3cf3f511bb9da1fead25
SHA256

8622c9638cf2b335fd17ed3ecf5b438e37fc07834f55a0689175ec12e52bae4e
SHA512

5a4494e38ae93439bac360e58f3ffb1d4c2c4860ad849c064f8ac3005d6a60f3e6179784d3c263569ae40a15532dfc3c8ff24c12ecb20aa1967107206291f678
SSDEEP

1536:c9o65gQK3Zm+Mt9RV5O8oQ9cXFunGm6ManhFLnBqHan6owwosTk8vxA:c9o6fK2XqXQwhnHlqQo8Lvy

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3808	376	WerFault.exe	84

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	8622c9638cf2b335fd17ed3ecf5b438e37fc07834f55a0689175ec12e52bae4eN.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
376	winver.exe
376	winver.exe

Suspicious use of AdjustPrivilegeToken 18 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3380	Explorer.EXE
Token: SeCreatePagefilePrivilege	3380	Explorer.EXE
Token: SeShutdownPrivilege	3380	Explorer.EXE
Token: SeCreatePagefilePrivilege	3380	Explorer.EXE
Token: SeShutdownPrivilege	3380	Explorer.EXE
Token: SeCreatePagefilePrivilege	3380	Explorer.EXE
Token: SeShutdownPrivilege	3380	Explorer.EXE
Token: SeCreatePagefilePrivilege	3380	Explorer.EXE
Token: SeShutdownPrivilege	3380	Explorer.EXE
Token: SeCreatePagefilePrivilege	3380	Explorer.EXE
Token: SeShutdownPrivilege	3380	Explorer.EXE
Token: SeCreatePagefilePrivilege	3380	Explorer.EXE
Token: SeShutdownPrivilege	3380	Explorer.EXE
Token: SeCreatePagefilePrivilege	3380	Explorer.EXE
Token: SeShutdownPrivilege	3380	Explorer.EXE
Token: SeCreatePagefilePrivilege	3380	Explorer.EXE
Token: SeShutdownPrivilege	3380	Explorer.EXE
Token: SeCreatePagefilePrivilege	3380	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
376	winver.exe
3380	Explorer.EXE
3380	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3380	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5088 wrote to memory of 376	5088	8622c9638cf2b335fd17ed3ecf5b438e37fc07834f55a0689175ec12e52bae4eN.exe	84
PID 5088 wrote to memory of 376	5088	8622c9638cf2b335fd17ed3ecf5b438e37fc07834f55a0689175ec12e52bae4eN.exe	84
PID 5088 wrote to memory of 376	5088	8622c9638cf2b335fd17ed3ecf5b438e37fc07834f55a0689175ec12e52bae4eN.exe	84
PID 5088 wrote to memory of 376	5088	8622c9638cf2b335fd17ed3ecf5b438e37fc07834f55a0689175ec12e52bae4eN.exe	84
PID 376 wrote to memory of 3380	376	winver.exe	56
PID 376 wrote to memory of 2652	376	winver.exe	46

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

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:3380
- C:\Users\Admin\AppData\Local\Temp\8622c9638cf2b335fd17ed3ecf5b438e37fc07834f55a0689175ec12e52bae4eN.exe
  "C:\Users\Admin\AppData\Local\Temp\8622c9638cf2b335fd17ed3ecf5b438e37fc07834f55a0689175ec12e52bae4eN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5088
- - 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:376
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 376 -s 644
      4⤵
      Program crash
      PID:3808

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 376 -ip 376
1⤵
PID:1932

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/376-8-0x00007FFE8BC30000-0x00007FFE8BE25000-memory.dmp

Filesize
2.0MB

Download
memory/376-2-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/376-15-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/376-6-0x0000000077A22000-0x0000000077A23000-memory.dmp

Filesize
4KB

Download
memory/2652-17-0x00007FFE8BE50000-0x00007FFE8BE51000-memory.dmp

Filesize
4KB

Download
memory/2652-12-0x0000000000810000-0x0000000000816000-memory.dmp

Filesize
24KB

Download
memory/2652-10-0x0000000000810000-0x0000000000816000-memory.dmp

Filesize
24KB

Download
memory/3380-14-0x00007FFE8BE40000-0x00007FFE8BE41000-memory.dmp

Filesize
4KB

Download
memory/3380-1-0x0000000002970000-0x0000000002976000-memory.dmp

Filesize
24KB

Download
memory/3380-13-0x00007FFE8BE60000-0x00007FFE8BE61000-memory.dmp

Filesize
4KB

Download
memory/3380-7-0x00007FFE8BCCD000-0x00007FFE8BCCE000-memory.dmp

Filesize
4KB

Download
memory/3380-4-0x0000000002970000-0x0000000002976000-memory.dmp

Filesize
24KB

Download
memory/5088-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/5088-11-0x00000000024C0000-0x0000000002EC0000-memory.dmp

Filesize
10.0MB

Download
memory/5088-5-0x00000000024C0000-0x0000000002EC0000-memory.dmp

Filesize
10.0MB

Download
memory/5088-0-0x00000000005D0000-0x00000000005D2000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing