7b12e4caee4c81cb99fe95a1efb22d0cf25f4301c9c500207844ba5c0c88f81e

Analysis

max time kernel
153s
max time network
196s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
02/12/2022, 00:43

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General

Target

7b12e4caee4c81cb99fe95a1efb22d0cf25f4301c9c500207844ba5c0c88f81e.exe
Size

722KB
MD5

c006626e4fcbc675c911ba705fe60525
SHA1

f8193cc8d62922eb726420ae4115e0766a1119d8
SHA256

7b12e4caee4c81cb99fe95a1efb22d0cf25f4301c9c500207844ba5c0c88f81e
SHA512

a1d84e0c99120b749275c0140a9cc9153ef4613703197f622d500d08ee9b8eb9c0e7a1e604091ad2713cf724659647bb92edcc20ab024825452431ef6ed74476
SSDEEP

1536:2fRN2/SWANOttpVxXVIXKL7mxUH1OibPoQT9lnouy8:EOAKnrq6Oxo1OcRJ9out

Score

8^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4980	winlogon.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1608-132-0x0000000000400000-0x0000000000446000-memory.dmp	upx
behavioral2/memory/1608-135-0x0000000000400000-0x0000000000446000-memory.dmp	upx
behavioral2/files/0x00070000000231a0-137.dat	upx
behavioral2/files/0x00070000000231a0-138.dat	upx
behavioral2/memory/4980-140-0x0000000000400000-0x0000000000446000-memory.dmp	upx
behavioral2/memory/1608-142-0x0000000000400000-0x0000000000446000-memory.dmp	upx
behavioral2/memory/4980-143-0x0000000000400000-0x0000000000446000-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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	7b12e4caee4c81cb99fe95a1efb22d0cf25f4301c9c500207844ba5c0c88f81e.exe

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

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1608	7b12e4caee4c81cb99fe95a1efb22d0cf25f4301c9c500207844ba5c0c88f81e.exe
4980	winlogon.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1608 wrote to memory of 4980	1608	7b12e4caee4c81cb99fe95a1efb22d0cf25f4301c9c500207844ba5c0c88f81e.exe	86
PID 1608 wrote to memory of 4980	1608	7b12e4caee4c81cb99fe95a1efb22d0cf25f4301c9c500207844ba5c0c88f81e.exe	86
PID 1608 wrote to memory of 4980	1608	7b12e4caee4c81cb99fe95a1efb22d0cf25f4301c9c500207844ba5c0c88f81e.exe	86

C:\Users\Admin\AppData\Local\Temp\7b12e4caee4c81cb99fe95a1efb22d0cf25f4301c9c500207844ba5c0c88f81e.exe
"C:\Users\Admin\AppData\Local\Temp\7b12e4caee4c81cb99fe95a1efb22d0cf25f4301c9c500207844ba5c0c88f81e.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1608
- C:\Users\Admin\E696D64614\winlogon.exe
  "C:\Users\Admin\E696D64614\winlogon.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:4980

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
722KB

MD5
c006626e4fcbc675c911ba705fe60525

SHA1
f8193cc8d62922eb726420ae4115e0766a1119d8

SHA256
7b12e4caee4c81cb99fe95a1efb22d0cf25f4301c9c500207844ba5c0c88f81e

SHA512
a1d84e0c99120b749275c0140a9cc9153ef4613703197f622d500d08ee9b8eb9c0e7a1e604091ad2713cf724659647bb92edcc20ab024825452431ef6ed74476

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

Filesize
722KB

MD5
c006626e4fcbc675c911ba705fe60525

SHA1
f8193cc8d62922eb726420ae4115e0766a1119d8

SHA256
7b12e4caee4c81cb99fe95a1efb22d0cf25f4301c9c500207844ba5c0c88f81e

SHA512
a1d84e0c99120b749275c0140a9cc9153ef4613703197f622d500d08ee9b8eb9c0e7a1e604091ad2713cf724659647bb92edcc20ab024825452431ef6ed74476

Download Submit
memory/1608-132-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/1608-135-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/1608-142-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/4980-140-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/4980-143-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download