ab71ffb518f0802251257a7a5c8b107a1659d4bdaae04b1698e2079a71056c82

Analysis

max time kernel
91s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
07-11-2022 09:37

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General

Target

ab71ffb518f0802251257a7a5c8b107a1659d4bdaae04b1698e2079a71056c82.exe
Size

950KB
MD5

99f0685b66a1378da325f746af950387
SHA1

050a5270ed025afd9c81e16ce75605bfdb945c6f
SHA256

ab71ffb518f0802251257a7a5c8b107a1659d4bdaae04b1698e2079a71056c82
SHA512

a2b8e3ffaabd2a3c373f96f4a5d817734ccc3647a23da9e4e06c6e30e0523be97c51e82719469b2fbbdd3eaa7524623a5df510a01e3de87fc974d91efc6f6f4c
SSDEEP

24576:rbhCAzc/bU6qsguxKVITWnmNwU2LIkdI31h6DnjI:rc/Y6eiKVITWnmT2LIP6Dnk

Score

7^/10

Malware Config

Signatures

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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	ab71ffb518f0802251257a7a5c8b107a1659d4bdaae04b1698e2079a71056c82.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: RenamesItself 1 IoCs

pid	Process
3284	ab71ffb518f0802251257a7a5c8b107a1659d4bdaae04b1698e2079a71056c82.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3284	ab71ffb518f0802251257a7a5c8b107a1659d4bdaae04b1698e2079a71056c82.exe
Token: SeCreatePagefilePrivilege	3284	ab71ffb518f0802251257a7a5c8b107a1659d4bdaae04b1698e2079a71056c82.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3284 wrote to memory of 4268	3284	ab71ffb518f0802251257a7a5c8b107a1659d4bdaae04b1698e2079a71056c82.exe	84
PID 3284 wrote to memory of 4268	3284	ab71ffb518f0802251257a7a5c8b107a1659d4bdaae04b1698e2079a71056c82.exe	84
PID 3284 wrote to memory of 4268	3284	ab71ffb518f0802251257a7a5c8b107a1659d4bdaae04b1698e2079a71056c82.exe	84

C:\Users\Admin\AppData\Local\Temp\ab71ffb518f0802251257a7a5c8b107a1659d4bdaae04b1698e2079a71056c82.exe
"C:\Users\Admin\AppData\Local\Temp\ab71ffb518f0802251257a7a5c8b107a1659d4bdaae04b1698e2079a71056c82.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3284
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\SRukcGoEdreXoNlU.bat" "
  2⤵
  PID:4268

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\AppData\Local\Temp\SRukcGoEdreXoNlU.bat

Filesize
204B

MD5
2d5735b9a46d929d3ba706f8806ab41b

SHA1
c9b212367fd945c6b20c535bd37a182501f30bd9

SHA256
b90b8527b1369d6d8187d1b18ab86717c6ad52495b792b51d3e762e7205a3c6f

SHA512
90cb3b1c8521961a8bcde4b0eb8cfb977c2af75d15bda003e7dc49bc76be4bd30be35881f7effa2525dd88e2142662450c0a90591490f9aa05e9c3f0f2df069d

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