Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Overview

overview

10

Static

static

b8fd9913d6...8e.exe

windows7-x64

10

b8fd9913d6...8e.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    186s
  • max time network
    191s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/12/2022, 12:30

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    b8fd9913d659855d7290e9595a164c2d78a5e1f7273990c6fd3a48bc8cf6078e.exe

  • Size

    132KB

  • MD5

    e15429cadcff8352d6559600d124c67a

  • SHA1

    16ed1c5d8cf700a9b2edefba119fa262e24cc39e

  • SHA256

    b8fd9913d659855d7290e9595a164c2d78a5e1f7273990c6fd3a48bc8cf6078e

  • SHA512

    e9a4954e65e3724174f628bcf1ffe94441f1784506709e4a263d75fc394d3fb589e66d736173d97fcedac77efcd73026d64326065fd4eb0e8be2a21a235cada5

  • SSDEEP

    1536:57wVFjb0kWUBtizWywMsK8q72QNSqxAASKrSitUrN4oQ/hKeXsjEFTp+H7:5gLBtiJ772QNPPSK24oQZiEH+H7

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 55 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\b8fd9913d659855d7290e9595a164c2d78a5e1f7273990c6fd3a48bc8cf6078e.exe
    "C:\Users\Admin\AppData\Local\Temp\b8fd9913d659855d7290e9595a164c2d78a5e1f7273990c6fd3a48bc8cf6078e.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:2760
    • C:\Users\Admin\jusig.exe
      "C:\Users\Admin\jusig.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:3124

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

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

    132KB

    MD5

    b13edd6c99fb3b454dc8ac9c71d8a006

    SHA1

    08abd093debe56007b3cfa1580a69b9bf8a89d99

    SHA256

    863311875e0718e47e93123f282ac8a0d8c7675afe97a61478f36e3658d33c85

    SHA512

    94d41042d4be3fc5efd5d5f2a846e850de0c9b59f63a574c0ee1c1ca6ddc85d6802d7e31bd188d990d84284a788b22f25d78e1000b6c1b4e7646f4e707dfa3c4

    Download Submit

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

    132KB

    MD5

    b13edd6c99fb3b454dc8ac9c71d8a006

    SHA1

    08abd093debe56007b3cfa1580a69b9bf8a89d99

    SHA256

    863311875e0718e47e93123f282ac8a0d8c7675afe97a61478f36e3658d33c85

    SHA512

    94d41042d4be3fc5efd5d5f2a846e850de0c9b59f63a574c0ee1c1ca6ddc85d6802d7e31bd188d990d84284a788b22f25d78e1000b6c1b4e7646f4e707dfa3c4

    Download Submit