aaf2e62ee2465031be3cee82585545bba2eec90593cb859321dca647cda43d68

General

Target

aaf2e62ee2465031be3cee82585545bba2eec90593cb859321dca647cda43d68.exe
Size

839KB
MD5

844b6c7b3782956a323f6065b413e82f
SHA1

20f02e581a987af40e2895742447e17d869aa6a5
SHA256

aaf2e62ee2465031be3cee82585545bba2eec90593cb859321dca647cda43d68
SHA512

64217b5d8d8506f8f5b4d3fcbfc03ae64554c8b4ea278213b935f6c4ec3bdb3d2eab23b345ae065f7e301fbb5866ff8a93d68e67002718351b7a827b8d2539e0
SSDEEP

3072:iyf8n+BnNpiXN5U+M/hQuaCA3VMxDJAQO7LN:i/+BnNpCqP/hQuavirOH

Score

8^/10

upx

Malware Config

Signatures

Executes dropped EXE 4 IoCs

Processes:

winlogon.exewinlogon.exewinlogon.exewinlogon.exe

pid process

4388 winlogon.exe
2732 winlogon.exe
4304 winlogon.exe
4888 winlogon.exe

pid	process
4388	winlogon.exe
2732	winlogon.exe
4304	winlogon.exe
4888	winlogon.exe

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/1212-134-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral2/memory/1212-136-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral2/memory/1212-137-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral2/memory/1212-140-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral2/memory/1212-144-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral2/memory/2732-154-0x0000000000400000-0x000000000041C000-memory.dmp	upx

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

aaf2e62ee2465031be3cee82585545bba2eec90593cb859321dca647cda43d68.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	aaf2e62ee2465031be3cee82585545bba2eec90593cb859321dca647cda43d68.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

aaf2e62ee2465031be3cee82585545bba2eec90593cb859321dca647cda43d68.exewinlogon.exewinlogon.exe

description	pid	process	target process
PID 1032 set thread context of 1212	1032	aaf2e62ee2465031be3cee82585545bba2eec90593cb859321dca647cda43d68.exe	aaf2e62ee2465031be3cee82585545bba2eec90593cb859321dca647cda43d68.exe
PID 4388 set thread context of 2732	4388	winlogon.exe	winlogon.exe
PID 2732 set thread context of 4304	2732	winlogon.exe	winlogon.exe
PID 2732 set thread context of 4888	2732	winlogon.exe	winlogon.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

3124 4304 WerFault.exe winlogon.exe
1088 4888 WerFault.exe winlogon.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

aaf2e62ee2465031be3cee82585545bba2eec90593cb859321dca647cda43d68.exewinlogon.exe

pid process

1212 aaf2e62ee2465031be3cee82585545bba2eec90593cb859321dca647cda43d68.exe
2732 winlogon.exe

pid	pid_target	process	target process
3124	4304	WerFault.exe	winlogon.exe
1088	4888	WerFault.exe	winlogon.exe

pid	process
1212	aaf2e62ee2465031be3cee82585545bba2eec90593cb859321dca647cda43d68.exe
2732	winlogon.exe

Suspicious use of WriteProcessMemory 41 IoCs

Processes:

aaf2e62ee2465031be3cee82585545bba2eec90593cb859321dca647cda43d68.exeaaf2e62ee2465031be3cee82585545bba2eec90593cb859321dca647cda43d68.exewinlogon.exewinlogon.exe

description	pid	process	target process
PID 1032 wrote to memory of 5096	1032	aaf2e62ee2465031be3cee82585545bba2eec90593cb859321dca647cda43d68.exe	svchost.exe
PID 1032 wrote to memory of 5096	1032	aaf2e62ee2465031be3cee82585545bba2eec90593cb859321dca647cda43d68.exe	svchost.exe
PID 1032 wrote to memory of 5096	1032	aaf2e62ee2465031be3cee82585545bba2eec90593cb859321dca647cda43d68.exe	svchost.exe
PID 1032 wrote to memory of 1212	1032	aaf2e62ee2465031be3cee82585545bba2eec90593cb859321dca647cda43d68.exe	aaf2e62ee2465031be3cee82585545bba2eec90593cb859321dca647cda43d68.exe
PID 1032 wrote to memory of 1212	1032	aaf2e62ee2465031be3cee82585545bba2eec90593cb859321dca647cda43d68.exe	aaf2e62ee2465031be3cee82585545bba2eec90593cb859321dca647cda43d68.exe
PID 1032 wrote to memory of 1212	1032	aaf2e62ee2465031be3cee82585545bba2eec90593cb859321dca647cda43d68.exe	aaf2e62ee2465031be3cee82585545bba2eec90593cb859321dca647cda43d68.exe
PID 1032 wrote to memory of 1212	1032	aaf2e62ee2465031be3cee82585545bba2eec90593cb859321dca647cda43d68.exe	aaf2e62ee2465031be3cee82585545bba2eec90593cb859321dca647cda43d68.exe
PID 1032 wrote to memory of 1212	1032	aaf2e62ee2465031be3cee82585545bba2eec90593cb859321dca647cda43d68.exe	aaf2e62ee2465031be3cee82585545bba2eec90593cb859321dca647cda43d68.exe
PID 1032 wrote to memory of 1212	1032	aaf2e62ee2465031be3cee82585545bba2eec90593cb859321dca647cda43d68.exe	aaf2e62ee2465031be3cee82585545bba2eec90593cb859321dca647cda43d68.exe
PID 1032 wrote to memory of 1212	1032	aaf2e62ee2465031be3cee82585545bba2eec90593cb859321dca647cda43d68.exe	aaf2e62ee2465031be3cee82585545bba2eec90593cb859321dca647cda43d68.exe
PID 1032 wrote to memory of 1212	1032	aaf2e62ee2465031be3cee82585545bba2eec90593cb859321dca647cda43d68.exe	aaf2e62ee2465031be3cee82585545bba2eec90593cb859321dca647cda43d68.exe
PID 1212 wrote to memory of 4388	1212	aaf2e62ee2465031be3cee82585545bba2eec90593cb859321dca647cda43d68.exe	winlogon.exe
PID 1212 wrote to memory of 4388	1212	aaf2e62ee2465031be3cee82585545bba2eec90593cb859321dca647cda43d68.exe	winlogon.exe
PID 1212 wrote to memory of 4388	1212	aaf2e62ee2465031be3cee82585545bba2eec90593cb859321dca647cda43d68.exe	winlogon.exe
PID 4388 wrote to memory of 2748	4388	winlogon.exe	svchost.exe
PID 4388 wrote to memory of 2748	4388	winlogon.exe	svchost.exe
PID 4388 wrote to memory of 2748	4388	winlogon.exe	svchost.exe
PID 4388 wrote to memory of 2732	4388	winlogon.exe	winlogon.exe
PID 4388 wrote to memory of 2732	4388	winlogon.exe	winlogon.exe
PID 4388 wrote to memory of 2732	4388	winlogon.exe	winlogon.exe
PID 4388 wrote to memory of 2732	4388	winlogon.exe	winlogon.exe
PID 4388 wrote to memory of 2732	4388	winlogon.exe	winlogon.exe
PID 4388 wrote to memory of 2732	4388	winlogon.exe	winlogon.exe
PID 4388 wrote to memory of 2732	4388	winlogon.exe	winlogon.exe
PID 4388 wrote to memory of 2732	4388	winlogon.exe	winlogon.exe
PID 2732 wrote to memory of 4304	2732	winlogon.exe	winlogon.exe
PID 2732 wrote to memory of 4304	2732	winlogon.exe	winlogon.exe
PID 2732 wrote to memory of 4304	2732	winlogon.exe	winlogon.exe
PID 2732 wrote to memory of 4304	2732	winlogon.exe	winlogon.exe
PID 2732 wrote to memory of 4304	2732	winlogon.exe	winlogon.exe
PID 2732 wrote to memory of 4304	2732	winlogon.exe	winlogon.exe
PID 2732 wrote to memory of 4304	2732	winlogon.exe	winlogon.exe
PID 2732 wrote to memory of 4304	2732	winlogon.exe	winlogon.exe
PID 2732 wrote to memory of 4888	2732	winlogon.exe	winlogon.exe
PID 2732 wrote to memory of 4888	2732	winlogon.exe	winlogon.exe
PID 2732 wrote to memory of 4888	2732	winlogon.exe	winlogon.exe
PID 2732 wrote to memory of 4888	2732	winlogon.exe	winlogon.exe
PID 2732 wrote to memory of 4888	2732	winlogon.exe	winlogon.exe
PID 2732 wrote to memory of 4888	2732	winlogon.exe	winlogon.exe
PID 2732 wrote to memory of 4888	2732	winlogon.exe	winlogon.exe
PID 2732 wrote to memory of 4888	2732	winlogon.exe	winlogon.exe

C:\Users\Admin\AppData\Local\Temp\aaf2e62ee2465031be3cee82585545bba2eec90593cb859321dca647cda43d68.exe
"C:\Users\Admin\AppData\Local\Temp\aaf2e62ee2465031be3cee82585545bba2eec90593cb859321dca647cda43d68.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1032
- C:\Windows\SysWOW64\svchost.exe
  C:\Windows\system32\\svchost.exe
  2⤵
  PID:5096
- C:\Users\Admin\AppData\Local\Temp\aaf2e62ee2465031be3cee82585545bba2eec90593cb859321dca647cda43d68.exe
  2⤵
  - Checks computer location settings
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1212
- - C:\Users\Admin\E696D64614\winlogon.exe
    "C:\Users\Admin\E696D64614\winlogon.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:4388
  - - C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\\svchost.exe
      4⤵
      PID:2748
  - - C:\Users\Admin\E696D64614\winlogon.exe
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:2732
    - - C:\Users\Admin\E696D64614\winlogon.exe
        
        "C:\Users\Admin\E696D64614\winlogon.exe"
        5⤵
        Executes dropped EXE
        
        PID:4304
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4304 -s 12
        6⤵
        Program crash
        
        PID:3124
    - - C:\Users\Admin\E696D64614\winlogon.exe
        
        "C:\Users\Admin\E696D64614\winlogon.exe"
        5⤵
        Executes dropped EXE
        
        PID:4888
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4888 -s 12
        6⤵
        Program crash
        
        PID:1088

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4304 -ip 4304
1⤵
PID:4380

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4888 -ip 4888
1⤵
PID:840

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\E696D64614\winlogon.exe

Filesize
839KB

MD5
844b6c7b3782956a323f6065b413e82f

SHA1
20f02e581a987af40e2895742447e17d869aa6a5

SHA256
aaf2e62ee2465031be3cee82585545bba2eec90593cb859321dca647cda43d68

SHA512
64217b5d8d8506f8f5b4d3fcbfc03ae64554c8b4ea278213b935f6c4ec3bdb3d2eab23b345ae065f7e301fbb5866ff8a93d68e67002718351b7a827b8d2539e0

Download Submit
C:\Users\Admin\E696D64614\winlogon.exe

Filesize
839KB

MD5
844b6c7b3782956a323f6065b413e82f

SHA1
20f02e581a987af40e2895742447e17d869aa6a5

SHA256
aaf2e62ee2465031be3cee82585545bba2eec90593cb859321dca647cda43d68

SHA512
64217b5d8d8506f8f5b4d3fcbfc03ae64554c8b4ea278213b935f6c4ec3bdb3d2eab23b345ae065f7e301fbb5866ff8a93d68e67002718351b7a827b8d2539e0

Download Submit
C:\Users\Admin\E696D64614\winlogon.exe

Filesize
839KB

MD5
844b6c7b3782956a323f6065b413e82f

SHA1
20f02e581a987af40e2895742447e17d869aa6a5

SHA256
aaf2e62ee2465031be3cee82585545bba2eec90593cb859321dca647cda43d68

SHA512
64217b5d8d8506f8f5b4d3fcbfc03ae64554c8b4ea278213b935f6c4ec3bdb3d2eab23b345ae065f7e301fbb5866ff8a93d68e67002718351b7a827b8d2539e0

Download Submit
C:\Users\Admin\E696D64614\winlogon.exe

Filesize
839KB

MD5
844b6c7b3782956a323f6065b413e82f

SHA1
20f02e581a987af40e2895742447e17d869aa6a5

SHA256
aaf2e62ee2465031be3cee82585545bba2eec90593cb859321dca647cda43d68

SHA512
64217b5d8d8506f8f5b4d3fcbfc03ae64554c8b4ea278213b935f6c4ec3bdb3d2eab23b345ae065f7e301fbb5866ff8a93d68e67002718351b7a827b8d2539e0

Download Submit
C:\Users\Admin\E696D64614\winlogon.exe

Filesize
839KB

MD5
844b6c7b3782956a323f6065b413e82f

SHA1
20f02e581a987af40e2895742447e17d869aa6a5

SHA256
aaf2e62ee2465031be3cee82585545bba2eec90593cb859321dca647cda43d68

SHA512
64217b5d8d8506f8f5b4d3fcbfc03ae64554c8b4ea278213b935f6c4ec3bdb3d2eab23b345ae065f7e301fbb5866ff8a93d68e67002718351b7a827b8d2539e0

Download Submit
memory/1212-137-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1212-140-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1212-144-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1212-136-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1212-134-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1212-133-0x0000000000000000-mapping.dmp

Download
memory/2732-146-0x0000000000000000-mapping.dmp

Download
memory/2732-154-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2748-145-0x0000000000000000-mapping.dmp

Download
memory/4304-155-0x0000000000000000-mapping.dmp

Download
memory/4388-141-0x0000000000000000-mapping.dmp

Download
memory/4888-158-0x0000000000000000-mapping.dmp

Download
memory/5096-132-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads