b4cba7cb899464bd65a03f9b1ba7c921b6af4085cf19d89a0f64f110c5e43a6f

Analysis

max time kernel
150s
max time network
130s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
05/09/2026, 02:50

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General

Target
b4cba7cb899464bd65a03f9b1ba7c921b6af4085cf19d89a0f64f110c5e43a6f.exe
Size 6.4MB
Sample260905-db36jadp3v
SHA256 b4cba7cb899464bd65a03f9b1ba7c921b6af4085cf19d89a0f64f110c5e43a6f
MD5 fbd92394042173c06ba24d699c90c5d6
SHA1 6de08957f21d3b64fddad09667c3d5798d9bcf1e
SHA512 353166a42b5d13a464ae5db578b2d75dd7c6e1a5a225ce6a20f854e6964ed9f0893bcb74c0d31f2f32415b40dbe892f5da74fc36c7993c92e1d6a686aece6478
SSDEEP 49152:gIwRN2BGOjWlWD4oQnZrHCeyuSWJThE50lmpXwk58aR2Vs2d+0KQK1K6sJvE0pJh:gIhoAHSEiuNdMn5Ela
TLSH
T18D664A07EC5555E9C0ADD270CAB39212BBA1BC481B3123D32BA0F6386F76BD4AD79354
MD5 SHA1 SHA512 SSDEEP TLSH

Score

5^/10

execution

Malware Config

Signatures

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

execution

Visual Basic

T1059.005

pid	Process
5828	wscript.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000_Classes\Local Settings	explorer.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4676 wrote to memory of 5828	4676	b4cba7cb899464bd65a03f9b1ba7c921b6af4085cf19d89a0f64f110c5e43a6f.exe	90
PID 4676 wrote to memory of 5000	4676	b4cba7cb899464bd65a03f9b1ba7c921b6af4085cf19d89a0f64f110c5e43a6f.exe	92

C:\Users\Admin\AppData\Local\Temp\b4cba7cb899464bd65a03f9b1ba7c921b6af4085cf19d89a0f64f110c5e43a6f.exe
"C:\Users\Admin\AppData\Local\Temp\b4cba7cb899464bd65a03f9b1ba7c921b6af4085cf19d89a0f64f110c5e43a6f.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4676
- C:\Windows\System32\wscript.exe
  C:\Windows\System32\wscript.exe /NoLogo C:\Users\Admin\AppData\Local\PanFast\pf_1788576663482459600.vbs
  2⤵
  - Executes a VBScript file via the Windows Script Host.
  PID:5828
- C:\Windows\explorer.exe
  "C:\Users\Admin\Desktop\beichenxiazai"
  2⤵
  - Modifies registry class
  PID:5000

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Visual Basic

T1059.005

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

pf_1788576663482459600.vbs

Path C:\Users\Admin\AppData\Local\PanFast\pf_1788576663482459600.vbs
Size 1KB
SHA256 1309cc9d2bf4fa52b77595db5c112fb7e83dc9e694b9957dd3e252c043e8c990
MD5 8b16016ca73e913c3782c22fd8ad5400
SHA1 3e240125593eff75df87645840770cf94c1b5ee8
SHA512 328d57bd6c5c83025e1381446beab3b6bbc3b83953c6ef3508ea212bdc2950ea08210408106ae9a1bea2f6c548d6f24419192ff72ceafc5dbf32da41d16e6bc2
TLSH
T1AD21D391A7F91255F3F77F7285F90688263BFAF5FC39D70C8840569C5621A04C8B1B26
MD5 SHA1 SHA512 TLSH

Submit Download

pf_r1788576663480318700.txt

Path C:\Users\Admin\AppData\Local\Temp\pf_r1788576663480318700.txt
Size 8B
SHA256 d46d3c1e633bd00e63abb863f8d0ce01127a4aef5135d7a4add02e126cd4d912
MD5 c7ff6b0760a3ac9958987957644f9f2b
SHA1 372bc65a53815f8ba7013755e57f19c818b3995c
SHA512 a7514b2fdaa9568840d7e53c28d1881ddc10aa0bec8354635da66b861c8a8fdeb1703b7ab70a7fe2bc5c932e1703e30a6e775b365021ae0d725c710cc27e850d
MD5 SHA1 SHA512