a1bdd92ff181ec9f2acb12ced6b8b0e2fb63be305c6ba7ddcac3b8a3cb2577d1

Analysis

max time kernel
175s
max time network
205s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 07:17

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General

Target

a1bdd92ff181ec9f2acb12ced6b8b0e2fb63be305c6ba7ddcac3b8a3cb2577d1.exe
Size

115KB
MD5

f83811baceb47fee0563fc1b91f9e97f
SHA1

c8b2a2151803e3596d102bee8e518f21c5d3d852
SHA256

a1bdd92ff181ec9f2acb12ced6b8b0e2fb63be305c6ba7ddcac3b8a3cb2577d1
SHA512

03cc94e8c2cecd4e8244dc6ffb1b23aa31c40ef24460e0276531e61a109789cc9efe7d41afca41f59a16256cef79629eaa1c54ec6dd85d507b34a4027cd34123
SSDEEP

3072:cU143UTXqhlYDnU/+FpwXmR7Iq2+YlbWa3rdWuLqfUl:nXqfE7wX82ZLqfU

Score

7^/10

persistence

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

Processes:

cmd.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation cmd.exe

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

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

a1bdd92ff181ec9f2acb12ced6b8b0e2fb63be305c6ba7ddcac3b8a3cb2577d1.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\explorer = "C:\\Users\\Admin\\AppData\\Roaming\\explorer\\explorer.exe"	a1bdd92ff181ec9f2acb12ced6b8b0e2fb63be305c6ba7ddcac3b8a3cb2577d1.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Windows\CurrentVersion\Run	a1bdd92ff181ec9f2acb12ced6b8b0e2fb63be305c6ba7ddcac3b8a3cb2577d1.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 1 IoCs

Processes:

cmd.exe

pid process

3012 cmd.exe

pid	process
3012	cmd.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

a1bdd92ff181ec9f2acb12ced6b8b0e2fb63be305c6ba7ddcac3b8a3cb2577d1.exe

description	pid	process	target process
PID 816 wrote to memory of 3012	816	a1bdd92ff181ec9f2acb12ced6b8b0e2fb63be305c6ba7ddcac3b8a3cb2577d1.exe	cmd.exe
PID 816 wrote to memory of 3012	816	a1bdd92ff181ec9f2acb12ced6b8b0e2fb63be305c6ba7ddcac3b8a3cb2577d1.exe	cmd.exe
PID 816 wrote to memory of 3012	816	a1bdd92ff181ec9f2acb12ced6b8b0e2fb63be305c6ba7ddcac3b8a3cb2577d1.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\a1bdd92ff181ec9f2acb12ced6b8b0e2fb63be305c6ba7ddcac3b8a3cb2577d1.exe
"C:\Users\Admin\AppData\Local\Temp\a1bdd92ff181ec9f2acb12ced6b8b0e2fb63be305c6ba7ddcac3b8a3cb2577d1.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:816

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c start C:\Users\Admin\AppData\Roaming\explorer\explorer.exe
2⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
PID:3012

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/3012-132-0x0000000000000000-mapping.dmp

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