b4cba7cb899464bd65a03f9b1ba7c921b6af4085cf19d89a0f64f110c5e43a6f

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-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
3860	wscript.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2937465464-4167303362-2236413517-1000_Classes\Local Settings	explorer.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 5000 wrote to memory of 3860	5000	b4cba7cb899464bd65a03f9b1ba7c921b6af4085cf19d89a0f64f110c5e43a6f.exe	84
PID 5000 wrote to memory of 756	5000	b4cba7cb899464bd65a03f9b1ba7c921b6af4085cf19d89a0f64f110c5e43a6f.exe	91

C:\Users\Admin\AppData\Local\Temp\b4cba7cb899464bd65a03f9b1ba7c921b6af4085cf19d89a0f64f110c5e43a6f.exe
"C:\Users\Admin\AppData\Local\Temp\b4cba7cb899464bd65a03f9b1ba7c921b6af4085cf19d89a0f64f110c5e43a6f.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:5000
- C:\Windows\System32\wscript.exe
  C:\Windows\System32\wscript.exe /NoLogo C:\Users\Admin\AppData\Local\PanFast\pf_1788576661979003800.vbs
  2⤵
  - Executes a VBScript file via the Windows Script Host.
  PID:3860
- C:\Windows\explorer.exe
  "C:\Users\Admin\Desktop\beichenxiazai"
  2⤵
  - Modifies registry class
  PID:756

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_1788576661979003800.vbs

Path C:\Users\Admin\AppData\Local\PanFast\pf_1788576661979003800.vbs
Size 1KB
SHA256 9b8272471d5d9a5b3dc1292b48b1de073e54b8486c4612918c0a074d57235f0e
MD5 1e3b48efd0378261ff844d73a59a6570
SHA1 9fe4b1d5f2845c84c7ab18d5b2e6ff8531f50a00
SHA512 07b2e027f43ff14ee61b1a90a90329bc57f696c9f2810bbfc1728b19a4864e4ac7ed8ae32ec823f0979a207ada01b18734726f918da22b8568bd485fa4ea9680
TLSH
T19F210390A3F81265F3F37F7285F90688263AFAF5FC39D70C8840568C5621A00C8B1B26
MD5 SHA1 SHA512 TLSH

Submit Download

pf_r1788576661979003800.txt

Path C:\Users\Admin\AppData\Local\Temp\pf_r1788576661979003800.txt
Size 8B
SHA256 d46d3c1e633bd00e63abb863f8d0ce01127a4aef5135d7a4add02e126cd4d912
MD5 c7ff6b0760a3ac9958987957644f9f2b
SHA1 372bc65a53815f8ba7013755e57f19c818b3995c
SHA512 a7514b2fdaa9568840d7e53c28d1881ddc10aa0bec8354635da66b861c8a8fdeb1703b7ab70a7fe2bc5c932e1703e30a6e775b365021ae0d725c710cc27e850d
MD5 SHA1 SHA512