ab1a6cacb7eae5eaf096001893779f0510643db961c2527f7dec2cd437984a62

Analysis

max time kernel
148s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
01/12/2022, 12:32

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General

Target

ab1a6cacb7eae5eaf096001893779f0510643db961c2527f7dec2cd437984a62.exe
Size

12KB
MD5

b8b1b4dd5f409d1319258662bf94adf3
SHA1

0cdd612fe462b25a80aac7eb849ea77af6ee0912
SHA256

ab1a6cacb7eae5eaf096001893779f0510643db961c2527f7dec2cd437984a62
SHA512

30960b6a7bba68d8023700c45068848f188c571e6661ca439fd6f80f2095c6974957ca07d28094dea582691445619fad235c602364d055bd9ddf6a2fe1e30c27
SSDEEP

384:Xy9HKlL9ya1Yzqjpj/HTbhETWKsEX2TtW3+r:XUYL9v1s29i6KsEO

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4736-132-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/memory/4736-133-0x0000000000400000-0x000000000040A000-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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	ab1a6cacb7eae5eaf096001893779f0510643db961c2527f7dec2cd437984a62.exe

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

System Information Discovery
T1082

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\multimediaControls.chl\CLSID	ab1a6cacb7eae5eaf096001893779f0510643db961c2527f7dec2cd437984a62.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\multimediaControls.chl	ab1a6cacb7eae5eaf096001893779f0510643db961c2527f7dec2cd437984a62.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\multimediaControls.chl\CLSID\ = "{6BF52A52-394A-11D3-B153-00C04F79FAA6}"	ab1a6cacb7eae5eaf096001893779f0510643db961c2527f7dec2cd437984a62.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4736 wrote to memory of 2752	4736	ab1a6cacb7eae5eaf096001893779f0510643db961c2527f7dec2cd437984a62.exe	81
PID 4736 wrote to memory of 2752	4736	ab1a6cacb7eae5eaf096001893779f0510643db961c2527f7dec2cd437984a62.exe	81
PID 4736 wrote to memory of 2752	4736	ab1a6cacb7eae5eaf096001893779f0510643db961c2527f7dec2cd437984a62.exe	81

C:\Users\Admin\AppData\Local\Temp\ab1a6cacb7eae5eaf096001893779f0510643db961c2527f7dec2cd437984a62.exe
"C:\Users\Admin\AppData\Local\Temp\ab1a6cacb7eae5eaf096001893779f0510643db961c2527f7dec2cd437984a62.exe"
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4736
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\_cls0.bat" "
  2⤵
  PID:2752

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\_cls0.bat

Filesize
338B

MD5
910d0acd9552af6944bc6869c01418be

SHA1
bc5700e374391939ce7ccd20e1cf97fe17a0b4db

SHA256
77321bcfa1bf684c1280a5f9d3b222a51e221aa75f5f85b03aa9daefa9eac646

SHA512
8b35df536054fa205733235d49c12b50a0e7ca11b53019e2958fd488b258e644e472a46fcaa6f1c29a8b4f818fc068ac9944814cfbf0d907c4a87079325a9b38

Download Submit
memory/4736-132-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4736-133-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download