Overview

overview

10

Static

static

ffb5df55f0...b4.exe

windows7-x64

10

ffb5df55f0...b4.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    294s
  • max time network
    353s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-12-2022 06:13

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General

  • Target

    ffb5df55f0a7beebe3f1a555aecd4e749a68cef63b0a54f7a060befab03e74b4.exe

  • Size

    336KB

  • MD5

    3c0ad8b80f837ddeb9723a5655c606f8

  • SHA1

    c6768f851b3f32ee80883ba85eb881547bef95f2

  • SHA256

    ffb5df55f0a7beebe3f1a555aecd4e749a68cef63b0a54f7a060befab03e74b4

  • SHA512

    3925edede73cc43090fc039736a695b2b0229b7177961fdbfd799ae0a72cdb9029f0b3f890a1cd6543b6678a40a2d2c5d3160520225db40e7901d95ce348b1ff

  • SSDEEP

    6144:EDNxo2WGk1Y3nmQcuyKx5DKEJrwavj9+dU5SFd:G82WGk1Y3nmQcjKvWEJQ

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 23 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\ffb5df55f0a7beebe3f1a555aecd4e749a68cef63b0a54f7a060befab03e74b4.exe
    "C:\Users\Admin\AppData\Local\Temp\ffb5df55f0a7beebe3f1a555aecd4e749a68cef63b0a54f7a060befab03e74b4.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:1960
    • C:\Users\Admin\wuuhaiz.exe
      "C:\Users\Admin\wuuhaiz.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:4800

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\wuuhaiz.exe
    Filesize

    336KB

    MD5

    0205716777ad43116d8f8969b452b23a

    SHA1

    9089b8265329cd053460ed11ecb69b0b6465cd56

    SHA256

    ba4d8e878faf4f5b156968d1b9136ef67e9c425ade3ab30fa4718f2c1d72b59c

    SHA512

    a941d18a5435db45f59ff9e2e90674d0ec5dab25a07cfa8d4e5620903909f3682c2277d7121f01dc025196783e19330c5cdacc7c4a7c6506a0d544031574e889

    Download Submit
  • C:\Users\Admin\wuuhaiz.exe
    Filesize

    336KB

    MD5

    0205716777ad43116d8f8969b452b23a

    SHA1

    9089b8265329cd053460ed11ecb69b0b6465cd56

    SHA256

    ba4d8e878faf4f5b156968d1b9136ef67e9c425ade3ab30fa4718f2c1d72b59c

    SHA512

    a941d18a5435db45f59ff9e2e90674d0ec5dab25a07cfa8d4e5620903909f3682c2277d7121f01dc025196783e19330c5cdacc7c4a7c6506a0d544031574e889

    Download Submit
  • memory/4800-134-0x0000000000000000-mapping.dmp
    Download