Overview

overview

10

Static

static

10

85972855ff...18.exe

windows7-x64

10

85972855ff...18.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-05-2024 01:29

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General

  • Target

    85972855ff977c521b1a717a32593fdd_JaffaCakes118.exe

  • Size

    37KB

  • MD5

    85972855ff977c521b1a717a32593fdd

  • SHA1

    b0144dfb8130083922e35b70152edd83739359a9

  • SHA256

    4b0f762e2935bd48524d835f4d6eb6289f20721241a362fb51a520150fdba95e

  • SHA512

    1c81a09c3e562bbe462690d899499d187e3b52fd5d5ec759482d7dda5136c4af54f5c806d246db8a331effb633f96754987a8af03238b7cda5019c5fd17c849f

  • SSDEEP

    384:k4qBkiyjnDNGRn5IyUvapIrPbh+/VsIFzbrAF+rMRTyN/0L+EcoinblneHQM3epa:v35M5jUvairANsItrM+rMRa8NuaPt

Score
8/10
evasionpersistence

Malware Config

Signatures

  • Modifies Windows Firewall 2 TTPs 1 IoCs
    evasion
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Drops autorun.inf file 1 TTPs 5 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Enumerates physical storage devices 1 TTPs

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

  • Kills process with taskkill 1 IoCs
    evasion
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\85972855ff977c521b1a717a32593fdd_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\85972855ff977c521b1a717a32593fdd_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2672
    • C:\Users\Admin\svhost.exe
      "C:\Users\Admin\svhost.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops autorun.inf file
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3112
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\svhost.exe" "svhost.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:3308
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /F /IM Exsample.exe
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2876

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Replication Through Removable Media

1
T1091

Execution

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Replication Through Removable Media

1
T1091

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

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

    37KB

    MD5

    85972855ff977c521b1a717a32593fdd

    SHA1

    b0144dfb8130083922e35b70152edd83739359a9

    SHA256

    4b0f762e2935bd48524d835f4d6eb6289f20721241a362fb51a520150fdba95e

    SHA512

    1c81a09c3e562bbe462690d899499d187e3b52fd5d5ec759482d7dda5136c4af54f5c806d246db8a331effb633f96754987a8af03238b7cda5019c5fd17c849f

    Download Submit
  • memory/2672-0-0x0000000075542000-0x0000000075543000-memory.dmp
    Filesize

    4KB

    Download
  • memory/2672-1-0x0000000075540000-0x0000000075AF1000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/2672-2-0x0000000075540000-0x0000000075AF1000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/2672-21-0x0000000075540000-0x0000000075AF1000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/3112-22-0x0000000075540000-0x0000000075AF1000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/3112-23-0x0000000075540000-0x0000000075AF1000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/3112-33-0x0000000075540000-0x0000000075AF1000-memory.dmp
    Filesize

    5.7MB

    Download