4e0ddcd303f27c01dcc8a35a9bd821c53fb7dcca474ac7f0c84d3c6451e9f778

Resubmissions

09-04-2024 13:34

240409-qvlrtabe9s 10

09-04-2024 13:34

09-04-2024 13:33

09-04-2024 13:33

07-07-2023 11:45

Analysis

max time kernel
436s
max time network
1165s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
09-04-2024 13:34

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General

Target

Windows Driver Foundation.vbs
Size

984B
MD5

df00d1e54f85ae90f2f69b73a34c90f4
SHA1

1d3e521a8efc17334f4f578432d5af0bb1ef1951
SHA256

2c5907389d374ed9efb86194a7f0f954349c93a7bc67b99c3d6b59bfc0d8296c
SHA512

5636973f61dd7cce413049f246b5ede00c736f4ac333508a2176b65524327080e17ac97260cbe908fc2d0b18235ee6d7f7a74c808a7ceaddb9ee6518452fa618

Score

10^/10

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

https://files.catbox.moe/fvl5hy.jpg

Signatures

Blocklisted process makes network request 2 IoCs

flow	pid	Process
7	3592	powershell.exe
9	3592	powershell.exe

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-1-5-21-557049126-2506969350-2798870634-1000\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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3592	powershell.exe
3592	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3592	powershell.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3268 wrote to memory of 3592	3268	WScript.exe	85
PID 3268 wrote to memory of 3592	3268	WScript.exe	85

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Windows Driver Foundation.vbs"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3268
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -executionpolicy remotesigned -File "C:\ProgramData\rrrrrrrr.ps1"
  2⤵
  - Blocklisted process makes network request
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3592

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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:\ProgramData\rrrrrrrr.ps1

Filesize
437B

MD5
3ad705568172956efe092dfac809642c

SHA1
d34bfb981dd4478998ec767879ea00cd6406c496

SHA256
4247e7a94a7fd5e4266622a37d91770dfedb12587aff4c2ece7812c56bd2c1fb

SHA512
ef89e5b7eec05f3d9bbd2ab1fdd011c0917ef6241f6f0afba139860578498971559e2c66041c70b28a91fb09fdbb67eeee1d8a75179c65949028b45ecc813f97

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_a4wdlrum.ygy.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/3592-1-0x0000020ED0D20000-0x0000020ED0D42000-memory.dmp

Filesize
136KB

Download
memory/3592-11-0x00007FF841160000-0x00007FF841C21000-memory.dmp

Filesize
10.8MB

Download
memory/3592-12-0x0000020ECEB30000-0x0000020ECEB40000-memory.dmp

Filesize
64KB

Download
memory/3592-13-0x0000020ECEB30000-0x0000020ECEB40000-memory.dmp

Filesize
64KB

Download
memory/3592-17-0x00007FF841160000-0x00007FF841C21000-memory.dmp

Filesize
10.8MB

Download