Overview

overview

10

Static

static

10

68d23586ee...18.exe

windows7-x64

10

68d23586ee...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/07/2024, 23:59

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General

  • Target

    68d23586eef34a76a3e58cfc1bfdcb80_JaffaCakes118.exe

  • Size

    45KB

  • MD5

    68d23586eef34a76a3e58cfc1bfdcb80

  • SHA1

    7218ab8b9e02553b466361c043caa09a350e42b2

  • SHA256

    dcaf6810871062a1a5a292c8e46667a8b7de908d292513ef1c443929ce8897c5

  • SHA512

    20c09977afc6d0d787b481274ec7db6110691d342dbb25ddf9408a5e8a853cf79ff158e9552239d71fa4aafd247e72fdac0f653c92346945c8fbb84252cd72e3

  • SSDEEP

    768:nugaNTokqd97WUHgAKpmo2q7HKjGKG6PIyzjbFgX3iUaLtlW8XHBWBDZ/x:nugaNToTdQT2mKYDy3bCXSFtl5x4d/x

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

127.0.0.1:4444

127.0.0.1:16155

127.0.0.1:15558

2.tcp.eu.ngrok.io:6606

2.tcp.eu.ngrok.io:7707

2.tcp.eu.ngrok.io:8808

2.tcp.eu.ngrok.io:4444

2.tcp.eu.ngrok.io:16155

2.tcp.eu.ngrok.io:15558
Mutex

Mutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    true

  • install_file

    MicrosoftService.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
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 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\68d23586eef34a76a3e58cfc1bfdcb80_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\68d23586eef34a76a3e58cfc1bfdcb80_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:3568
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "MicrosoftService" /tr '"C:\Users\Admin\AppData\Roaming\MicrosoftService.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1708
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "MicrosoftService" /tr '"C:\Users\Admin\AppData\Roaming\MicrosoftService.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:640
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp6FA2.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1164
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:1420
      • C:\Users\Admin\AppData\Roaming\MicrosoftService.exe
        "C:\Users\Admin\AppData\Roaming\MicrosoftService.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:4148

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp6FA2.tmp.bat
    Filesize

    160B

    MD5

    7de35f17ff097328e98d4c72ef422955

    SHA1

    85aa892b90f83e59bd6e570e972e35e3339715f1

    SHA256

    3fd74130835fdafa280970ce6d2c17a5a6a5dde28623c759995af4f5ef65f14d

    SHA512

    4056eda60c236c6acb8c6276d31ad479a710d2d5ceb27651b297c55de3992a6f0a4321d532642c4d55f13f34a450f696046d702e6242b48c872c5df1515bbd7c

    Download Submit

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

    45KB

    MD5

    68d23586eef34a76a3e58cfc1bfdcb80

    SHA1

    7218ab8b9e02553b466361c043caa09a350e42b2

    SHA256

    dcaf6810871062a1a5a292c8e46667a8b7de908d292513ef1c443929ce8897c5

    SHA512

    20c09977afc6d0d787b481274ec7db6110691d342dbb25ddf9408a5e8a853cf79ff158e9552239d71fa4aafd247e72fdac0f653c92346945c8fbb84252cd72e3

    Download Submit

  • memory/3568-0-0x0000000074FAE000-0x0000000074FAF000-memory.dmp

    Filesize

    4KB

    Download

  • memory/3568-1-0x0000000000020000-0x0000000000032000-memory.dmp

    Filesize

    72KB

    Download

  • memory/3568-2-0x0000000074FA0000-0x0000000075750000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/3568-3-0x0000000004880000-0x000000000491C000-memory.dmp

    Filesize

    624KB

    Download

  • memory/3568-8-0x0000000074FA0000-0x0000000075750000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/4148-13-0x0000000074F90000-0x0000000075740000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/4148-14-0x0000000074F90000-0x0000000075740000-memory.dmp

    Filesize

    7.7MB

    Download