478fdd44af2e001eeac27378a975ce258a72ebf27d51334ecc7d848c0633f507

General

Target

478fdd44af2e001eeac27378a975ce258a72ebf27d51334ecc7d848c0633f507.exe
Size

190KB
MD5

466f12226500450c245b12e80463d655
SHA1

e2b546cdfff00e9bf1d2a4ab03b1f3a4bed1a160
SHA256

478fdd44af2e001eeac27378a975ce258a72ebf27d51334ecc7d848c0633f507
SHA512

c2af0bb2baea16f69bc7fcafee1265697e7138cf2994667b735fb96a25ebaa427305d19a2096fbd161c1d154ae1b99fde454e43178f42e59897e0b8759a457b1
SSDEEP

3072:ZW0tZbSB8Bbn6aUH2pVLVAOyugTnDiKqFzqjsiuI7dJrTo:ZZBScfUULVR8n+Tcjl7d9To

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1576	KB71742627.exe

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	478fdd44af2e001eeac27378a975ce258a72ebf27d51334ecc7d848c0633f507.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows\CurrentVersion\Run	478fdd44af2e001eeac27378a975ce258a72ebf27d51334ecc7d848c0633f507.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\KB71742627.exe = "\"C:\\Users\\Admin\\AppData\\Roaming\\KB71742627.exe\""	478fdd44af2e001eeac27378a975ce258a72ebf27d51334ecc7d848c0633f507.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1576	KB71742627.exe
1576	KB71742627.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1044	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 11 IoCs

description	pid	Process
Token: SeSecurityPrivilege	1044	Explorer.EXE
Token: SeShutdownPrivilege	1044	Explorer.EXE
Token: SeCreatePagefilePrivilege	1044	Explorer.EXE
Token: SeShutdownPrivilege	1044	Explorer.EXE
Token: SeCreatePagefilePrivilege	1044	Explorer.EXE
Token: SeShutdownPrivilege	1044	Explorer.EXE
Token: SeCreatePagefilePrivilege	1044	Explorer.EXE
Token: SeShutdownPrivilege	1044	Explorer.EXE
Token: SeCreatePagefilePrivilege	1044	Explorer.EXE
Token: SeShutdownPrivilege	1044	Explorer.EXE
Token: SeCreatePagefilePrivilege	1044	Explorer.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3616 wrote to memory of 1576	3616	478fdd44af2e001eeac27378a975ce258a72ebf27d51334ecc7d848c0633f507.exe	84
PID 3616 wrote to memory of 1576	3616	478fdd44af2e001eeac27378a975ce258a72ebf27d51334ecc7d848c0633f507.exe	84
PID 3616 wrote to memory of 1576	3616	478fdd44af2e001eeac27378a975ce258a72ebf27d51334ecc7d848c0633f507.exe	84
PID 1576 wrote to memory of 1044	1576	KB71742627.exe	57

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1044
- C:\Users\Admin\AppData\Local\Temp\478fdd44af2e001eeac27378a975ce258a72ebf27d51334ecc7d848c0633f507.exe
  "C:\Users\Admin\AppData\Local\Temp\478fdd44af2e001eeac27378a975ce258a72ebf27d51334ecc7d848c0633f507.exe"
  2⤵
  - Checks computer location settings
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:3616
- - C:\Users\Admin\AppData\Roaming\KB71742627.exe
    "C:\Users\Admin\AppData\Roaming\KB71742627.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:1576

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

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\AppData\Roaming\KB71742627.exe

Filesize
190KB

MD5
466f12226500450c245b12e80463d655

SHA1
e2b546cdfff00e9bf1d2a4ab03b1f3a4bed1a160

SHA256
478fdd44af2e001eeac27378a975ce258a72ebf27d51334ecc7d848c0633f507

SHA512
c2af0bb2baea16f69bc7fcafee1265697e7138cf2994667b735fb96a25ebaa427305d19a2096fbd161c1d154ae1b99fde454e43178f42e59897e0b8759a457b1

Download Submit
C:\Users\Admin\AppData\Roaming\KB71742627.exe

Filesize
190KB

MD5
466f12226500450c245b12e80463d655

SHA1
e2b546cdfff00e9bf1d2a4ab03b1f3a4bed1a160

SHA256
478fdd44af2e001eeac27378a975ce258a72ebf27d51334ecc7d848c0633f507

SHA512
c2af0bb2baea16f69bc7fcafee1265697e7138cf2994667b735fb96a25ebaa427305d19a2096fbd161c1d154ae1b99fde454e43178f42e59897e0b8759a457b1

Download Submit
memory/1044-150-0x0000000000560000-0x0000000000570000-memory.dmp

Filesize
64KB

Download
memory/1044-155-0x00000000005B0000-0x00000000005C0000-memory.dmp

Filesize
64KB

Download
memory/1044-144-0x00000000005B0000-0x00000000005C0000-memory.dmp

Filesize
64KB

Download
memory/1044-156-0x00000000005B0000-0x00000000005C0000-memory.dmp

Filesize
64KB

Download
memory/1044-145-0x00000000005A0000-0x00000000005B0000-memory.dmp

Filesize
64KB

Download
memory/1044-154-0x0000000000560000-0x0000000000570000-memory.dmp

Filesize
64KB

Download
memory/1044-140-0x0000000000570000-0x0000000000598000-memory.dmp

Filesize
160KB

Download
memory/1044-141-0x0000000002560000-0x0000000002570000-memory.dmp

Filesize
64KB

Download
memory/1044-142-0x00000000005A0000-0x00000000005B0000-memory.dmp

Filesize
64KB

Download
memory/1044-143-0x00000000005B0000-0x00000000005C0000-memory.dmp

Filesize
64KB

Download
memory/1044-157-0x00000000005B0000-0x00000000005C0000-memory.dmp

Filesize
64KB

Download
memory/1044-153-0x00000000005B0000-0x00000000005C0000-memory.dmp

Filesize
64KB

Download
memory/1044-148-0x00000000005B0000-0x00000000005C0000-memory.dmp

Filesize
64KB

Download
memory/1044-147-0x00000000005B0000-0x00000000005C0000-memory.dmp

Filesize
64KB

Download
memory/1044-146-0x00000000005B0000-0x00000000005C0000-memory.dmp

Filesize
64KB

Download
memory/1044-149-0x0000000002560000-0x0000000002570000-memory.dmp

Filesize
64KB

Download
memory/1044-152-0x00000000005B0000-0x00000000005C0000-memory.dmp

Filesize
64KB

Download
memory/1044-151-0x00000000005B0000-0x00000000005C0000-memory.dmp

Filesize
64KB

Download
memory/1576-134-0x0000000000000000-mapping.dmp

Download
memory/1576-139-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1576-138-0x0000000002060000-0x0000000002077000-memory.dmp

Filesize
92KB

Download
memory/3616-132-0x0000000002060000-0x0000000002077000-memory.dmp

Filesize
92KB

Download
memory/3616-133-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/3616-136-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download

Analysis

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