082d5935271abf58419fb5e9de83996bd2f840152de595afa7d08e4b98b1d203

Analysis

max time kernel
142s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
22-04-2022 21:50

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General

Target

INV 2022-04-22_1538, US.doc.lnk
Size

3KB
MD5

acbbc946a9441b52cc8cd84292977931
SHA1

232258201e20b9b256a64987227148095aa2954b
SHA256

082d5935271abf58419fb5e9de83996bd2f840152de595afa7d08e4b98b1d203
SHA512

0fb9d77e80b9e0d6c0e3082f289f7f27a0f19747dbc8d69ae6a8935bf91668905a161364f8f468864156989ecb05b03291cfe11a8541d9f26cb2f56718972a22

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

cmd.execmd.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	cmd.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	cmd.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 1 IoCs

Processes:

cmd.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000_Classes\Local Settings cmd.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000_Classes\Local Settings	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

cmd.execmd.exe

description	pid	process	target process
PID 1312 wrote to memory of 4808	1312	cmd.exe	cmd.exe
PID 1312 wrote to memory of 4808	1312	cmd.exe	cmd.exe
PID 4808 wrote to memory of 4708	4808	cmd.exe	findstr.exe
PID 4808 wrote to memory of 4708	4808	cmd.exe	findstr.exe
PID 4808 wrote to memory of 4872	4808	cmd.exe	WScript.exe
PID 4808 wrote to memory of 4872	4808	cmd.exe	WScript.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\INV 2022-04-22_1538, US.doc.lnk"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1312
- C:\Windows\system32\cmd.exe
  "C:\Windows\system32\cmd.exe" /v:on /c findstr "rSIPPswjwCtKoZy.*" Password2.doc.lnk > "C:\Users\Admin\AppData\Local\Temp\VEuIqlISMa.vbs" & "C:\Users\Admin\AppData\Local\Temp\VEuIqlISMa.vbs"
  2⤵
  - Checks computer location settings
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:4808
- - C:\Windows\system32\findstr.exe
    findstr "rSIPPswjwCtKoZy.*" Password2.doc.lnk
    3⤵
    PID:4708
- - C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\VEuIqlISMa.vbs"
    3⤵
    PID:4872

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

memory/4708-131-0x0000000000000000-mapping.dmp

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memory/4808-130-0x0000000000000000-mapping.dmp

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memory/4872-132-0x0000000000000000-mapping.dmp

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