Overview

overview

10

Static

static

10

JaffaCakes...e8.exe

windows7-x64

10

JaffaCakes...e8.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
    23-12-2024 23:45

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General

  • Target

    JaffaCakes118_fc1189eca6c99ec90d71c2317c7c89b5c5d54dd5d378a57e50669849775f25e8.exe

  • Size

    45KB

  • MD5

    9c851b642e1e49781e2ce9eedb02ee64

  • SHA1

    e22971a8700bf28867e744244474033d55143ee5

  • SHA256

    fc1189eca6c99ec90d71c2317c7c89b5c5d54dd5d378a57e50669849775f25e8

  • SHA512

    77696aaae1df81d5922ddf30a6df4fc8f1e3aacdb2884d1a55e8362315f6895c13394fc14723f2879a8848cf33ec235a5405841aed9450f15f515a251da6ebda

  • SSDEEP

    768:buqg9T944nD5WUxiVDmo2qrjKjGKG6PIyzjbFgX3iSe8lUSoR29OAlpxyNmBDZrx:buqg9T9xy2uKYDy3bCXS+G38cApxhdrx

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

127.0.0.1:14778

6.tcp.eu.ngrok.io:6606

6.tcp.eu.ngrok.io:7707

6.tcp.eu.ngrok.io:8808

6.tcp.eu.ngrok.io:1604

6.tcp.eu.ngrok.io:14778
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_fc1189eca6c99ec90d71c2317c7c89b5c5d54dd5d378a57e50669849775f25e8.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fc1189eca6c99ec90d71c2317c7c89b5c5d54dd5d378a57e50669849775f25e8.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3716
    • 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:1064
      • 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:4420
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpD205.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3212
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4244
      • 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:4060

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpD205.tmp.bat
    Filesize

    147B

    MD5

    1f2838a327e8206ca7f93fb6a3086b40

    SHA1

    c70ef6e32d8fc78c2eac98847968cef1ae3c0ea5

    SHA256

    569ba03c714989384617961449c1bc2624354e6cefaa76cdb505b3070853be8d

    SHA512

    2a55fbb87fcde8f92fefa6764ddd62ab6448116dba02f8ec2165053b294788f4c2f58ee3a81095e9ead9b10f3c1c3c3b6bb9811da927ee86c8520f772cd84f03

    Download Submit

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

    45KB

    MD5

    9c851b642e1e49781e2ce9eedb02ee64

    SHA1

    e22971a8700bf28867e744244474033d55143ee5

    SHA256

    fc1189eca6c99ec90d71c2317c7c89b5c5d54dd5d378a57e50669849775f25e8

    SHA512

    77696aaae1df81d5922ddf30a6df4fc8f1e3aacdb2884d1a55e8362315f6895c13394fc14723f2879a8848cf33ec235a5405841aed9450f15f515a251da6ebda

    Download Submit

  • memory/3716-0-0x000000007508E000-0x000000007508F000-memory.dmp

    Filesize

    4KB

    Download

  • memory/3716-1-0x0000000000910000-0x0000000000922000-memory.dmp

    Filesize

    72KB

    Download

  • memory/3716-2-0x0000000075080000-0x0000000075830000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/3716-3-0x00000000052A0000-0x0000000005306000-memory.dmp

    Filesize

    408KB

    Download

  • memory/3716-4-0x0000000005750000-0x00000000057EC000-memory.dmp

    Filesize

    624KB

    Download

  • memory/3716-9-0x0000000075080000-0x0000000075830000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/4060-14-0x0000000074FF0000-0x00000000757A0000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/4060-15-0x0000000074FF0000-0x00000000757A0000-memory.dmp

    Filesize

    7.7MB

    Download