23a4079e5d4e4c0c5a45c4761278378872f8e3fb869f1b530e89e89332970c90

Analysis

max time kernel
13s
max time network
16s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
25-04-2024 11:17

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General

Target

ass.vbs
Size

376B
MD5

aca361ce3da155352d936bdaab87653a
SHA1

ef094d2b2517d072256138945e716db4e8182512
SHA256

23a4079e5d4e4c0c5a45c4761278378872f8e3fb869f1b530e89e89332970c90
SHA512

19f8986666b1703c531cd4fc7f2f8c15d3faadd6b2ef59897cea13e03fff10412044e2fcb6dc796aad969f31ae539f54e695b8473888b976e796680557d09ca4

Score

8^/10

evasion

Malware Config

Signatures

Disables Task Manager via registry modification
evasion

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:

WScript.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	WScript.exe

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

System Information Discovery
T1082
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

1884 taskkill.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

reg.exe

pid process

4052 reg.exe

pid	process
1884	taskkill.exe

pid	process
4052	reg.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WScript.exe

description	pid	process	target process
PID 3264 wrote to memory of 4052	3264	WScript.exe	reg.exe
PID 3264 wrote to memory of 4052	3264	WScript.exe	reg.exe
PID 3264 wrote to memory of 1884	3264	WScript.exe	taskkill.exe
PID 3264 wrote to memory of 1884	3264	WScript.exe	taskkill.exe

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\ass.vbs"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3264

C:\Windows\System32\reg.exe
"C:\Windows\System32\reg.exe" add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 1 /f
2⤵
- Modifies registry key
PID:4052

C:\Windows\System32\taskkill.exe
"C:\Windows\System32\taskkill.exe" /f /im svchost.exe
2⤵
- Kills process with taskkill
PID:1884

C:\Windows\system32\taskmgr.exe
"C:\Windows\system32\taskmgr.exe" /7
1⤵
PID:2284

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

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

Resource Development

Reconnaissance

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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