Overview

overview

10

Static

static

10

JaffaCakes...c8.exe

windows7-x64

10

JaffaCakes...c8.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    145s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-12-2024 15:54

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    JaffaCakes118_bc2fde8d86c4308624e3ac07e9d1f7435e3b220380fc2763ab43b5eb8c22c2c8.exe

  • Size

    45KB

  • MD5

    70ad7f173c8545db329659103e544d16

  • SHA1

    785741ed4a6ecb0557a7005ba05cef553ee6bcb8

  • SHA256

    bc2fde8d86c4308624e3ac07e9d1f7435e3b220380fc2763ab43b5eb8c22c2c8

  • SHA512

    95fbed989354dd78f361776d8597306c41db1ee8b76f9796dc8a5846a47239b405e5b263314667638f7e014e7cb5d1470137b85f6cdf73a0b4f901a8956131a8

  • SSDEEP

    768:buqg9T944nD5WUxiVDmo2qrjKjGKG6PIyzjbFgX3iHCVRVqYL2qFBDZrx:buqg9T9xy2uKYDy3bCXSiVRNfdrx

Score
10/10
asyncratdefaultdiscoveryrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

127.0.0.1:1604

127.0.0.1:16961

4.tcp.eu.ngrok.io:6606

4.tcp.eu.ngrok.io:7707

4.tcp.eu.ngrok.io:8808

4.tcp.eu.ngrok.io:1604

4.tcp.eu.ngrok.io:16961
Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    true

  • install_file

    123.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

    ratasyncrat
  • Asyncrat family
    asyncrat
  • 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
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 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 3 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bc2fde8d86c4308624e3ac07e9d1f7435e3b220380fc2763ab43b5eb8c22c2c8.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bc2fde8d86c4308624e3ac07e9d1f7435e3b220380fc2763ab43b5eb8c22c2c8.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:560
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "123" /tr '"C:\Users\Admin\AppData\Roaming\123.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2404
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "123" /tr '"C:\Users\Admin\AppData\Roaming\123.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:216
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpD486.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4676
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:208
      • C:\Users\Admin\AppData\Roaming\123.exe
        "C:\Users\Admin\AppData\Roaming\123.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:1748

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpD486.tmp.bat
    Filesize

    147B

    MD5

    63d7ef2322b774850a57bf68ac37f857

    SHA1

    b21ecd3295c404714a14ecc4151845fc8c0dc89b

    SHA256

    35d7b1828df23086d63ae63a2d18f9d439e49ab0696a0ddd9eea3428cdf0e674

    SHA512

    a9d9754637e9e26a893cbfe871c7c49d5ddda7df9d6dd617d8aada890010659efe4dc2ab4b93eb8916026f4761eaa70d1302ff2b9acffea07e6fe95a1a3d596d

    Download Submit

  • C:\Users\Admin\AppData\Roaming\123.exe
    Filesize

    45KB

    MD5

    70ad7f173c8545db329659103e544d16

    SHA1

    785741ed4a6ecb0557a7005ba05cef553ee6bcb8

    SHA256

    bc2fde8d86c4308624e3ac07e9d1f7435e3b220380fc2763ab43b5eb8c22c2c8

    SHA512

    95fbed989354dd78f361776d8597306c41db1ee8b76f9796dc8a5846a47239b405e5b263314667638f7e014e7cb5d1470137b85f6cdf73a0b4f901a8956131a8

    Download Submit

  • memory/560-0-0x000000007457E000-0x000000007457F000-memory.dmp

    Filesize

    4KB

    Download

  • memory/560-1-0x0000000000F00000-0x0000000000F12000-memory.dmp

    Filesize

    72KB

    Download

  • memory/560-2-0x0000000074570000-0x0000000074D20000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/560-3-0x00000000058B0000-0x0000000005916000-memory.dmp

    Filesize

    408KB

    Download

  • memory/560-4-0x0000000005D40000-0x0000000005DDC000-memory.dmp

    Filesize

    624KB

    Download

  • memory/560-9-0x0000000074570000-0x0000000074D20000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/1748-14-0x0000000074570000-0x0000000074D20000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/1748-15-0x0000000074570000-0x0000000074D20000-memory.dmp

    Filesize

    7.7MB

    Download