Overview

overview

10

Static

static

a349f53aed...b3.exe

windows7-x64

10

a349f53aed...b3.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    155s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-11-2022 00:29

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General

  • Target

    a349f53aed578ae7411864167382d0fb98a1f40408aead59ce71d4aa60aa96b3.exe

  • Size

    104KB

  • MD5

    14da4aeaacce745c3f8736d4f4d0b8f1

  • SHA1

    8696fe28ac3bf1270c71047444400b78a03df43c

  • SHA256

    a349f53aed578ae7411864167382d0fb98a1f40408aead59ce71d4aa60aa96b3

  • SHA512

    ca4056f24b76f135954b4525f46e4af95f781dc8197db9e5acf6b00ae8696e8e8d57f3d07ecc429ad72377c1b7ff23023319ac34e1ff933707387a637a544bd1

  • SSDEEP

    1536:TH53fEEUQ3ZScK43sKeWjwJBAOs9G2HaQNsMj3i6E3j:r53fEEZ3kIsK0IHxN/Oj

Score
10/10
evasionpersistence

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
    evasion
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 29 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a349f53aed578ae7411864167382d0fb98a1f40408aead59ce71d4aa60aa96b3.exe
    "C:\Users\Admin\AppData\Local\Temp\a349f53aed578ae7411864167382d0fb98a1f40408aead59ce71d4aa60aa96b3.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4892
    • C:\Users\Admin\puoluuj.exe
      "C:\Users\Admin\puoluuj.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:4852

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Hidden Files and Directories

1
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

1
T1158

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\puoluuj.exe
    Filesize

    104KB

    MD5

    53e8f88bf4c636e78fdd352d0d5451ca

    SHA1

    1620f68b20836ac7945a0658b425351326477dcf

    SHA256

    b35806898a45e0af4edfe51ffc6fecd720a9297e34a971fd70cb090cf3c4d79b

    SHA512

    0af8377972b645530cc1dbf8d0b710a309ec3137add62d2042463657001cad9391b5c731e31466f6002b21b355bc7cb0cd555b44d9fcf48e6eb961b7281c48e0

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  • C:\Users\Admin\puoluuj.exe
    Filesize

    104KB

    MD5

    53e8f88bf4c636e78fdd352d0d5451ca

    SHA1

    1620f68b20836ac7945a0658b425351326477dcf

    SHA256

    b35806898a45e0af4edfe51ffc6fecd720a9297e34a971fd70cb090cf3c4d79b

    SHA512

    0af8377972b645530cc1dbf8d0b710a309ec3137add62d2042463657001cad9391b5c731e31466f6002b21b355bc7cb0cd555b44d9fcf48e6eb961b7281c48e0

    Download Submit
  • memory/4852-134-0x0000000000000000-mapping.dmp
    Download