Overview

overview

10

Static

static

10

a750d5f195...18.exe

windows7-x64

10

a750d5f195...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/08/2024, 16:08

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General

  • Target

    a750d5f19524e4431550930c4e8a0a95_JaffaCakes118.exe

  • Size

    47KB

  • MD5

    a750d5f19524e4431550930c4e8a0a95

  • SHA1

    4e20317001a8da032d85e12ee9a41fa570485daf

  • SHA256

    aa8308e986d53702e8674ec11140bf6244deafd679135bb5c1b6dbe20475a125

  • SHA512

    a1bd14d2575423cce68d224dc00e359841521443eb0dff8516f442cbb38221105b7de1816b995469d554f5574a1188d50df210593e6f4128ca5d04e64c0d369f

  • SSDEEP

    768:iuyKFTMIGZ8btAWUumy6mo2q88CAPSy3PIE4q12T8sBTVe0bNlpmZJqtOlD2KsfE:iuyKFTMtkY2w6E4q12TZRRbDewMlDLsc

Score
10/10
asyncratdefaultdiscoveryrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

20.36.20.111:1604

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    true

  • install_file

    svchost.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

    ratasyncrat
  • Async RAT payload 1 IoCs
    rat
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Delays execution with timeout.exe 1 IoCs
    evasion
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 23 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a750d5f19524e4431550930c4e8a0a95_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a750d5f19524e4431550930c4e8a0a95_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2972
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5084
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4592
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpC2E2.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1668
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:2320
      • C:\Users\Admin\AppData\Roaming\svchost.exe
        "C:\Users\Admin\AppData\Roaming\svchost.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:3148

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpC2E2.tmp.bat
    Filesize

    151B

    MD5

    66396f92b50792c4dc01111757ad7e27

    SHA1

    31c1fe5c47187e147bafd5e4c0976eeb3620aef9

    SHA256

    c9090a62fc9b0ff415bdf3a6dd04462394983bd02504bf9ca37de7dc10266cd5

    SHA512

    d96070feacfccc7aa9f93e457be0f858c94462a30163e851e7c0bb90d867daf1350ebc4b46342766c6e3766f099a496b434a4b196cdc63b90e5781ee69d0edbb

    Download Submit

  • C:\Users\Admin\AppData\Roaming\svchost.exe
    Filesize

    47KB

    MD5

    a750d5f19524e4431550930c4e8a0a95

    SHA1

    4e20317001a8da032d85e12ee9a41fa570485daf

    SHA256

    aa8308e986d53702e8674ec11140bf6244deafd679135bb5c1b6dbe20475a125

    SHA512

    a1bd14d2575423cce68d224dc00e359841521443eb0dff8516f442cbb38221105b7de1816b995469d554f5574a1188d50df210593e6f4128ca5d04e64c0d369f

    Download Submit

  • memory/2972-0-0x000000007459E000-0x000000007459F000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2972-1-0x0000000000D30000-0x0000000000D42000-memory.dmp

    Filesize

    72KB

    Download

  • memory/2972-2-0x0000000074590000-0x0000000074D40000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/2972-3-0x0000000005740000-0x00000000057DC000-memory.dmp

    Filesize

    624KB

    Download

  • memory/2972-8-0x0000000074590000-0x0000000074D40000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/3148-13-0x0000000074590000-0x0000000074D40000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/3148-14-0x0000000074590000-0x0000000074D40000-memory.dmp

    Filesize

    7.7MB

    Download