Overview

overview

10

Static

static

10

JaffaCakes...03.exe

windows7-x64

10

JaffaCakes...03.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-12-2024 02:53

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General

  • Target

    JaffaCakes118_485a0346917f3f4c31780ceddf38f6c52527620d28fba5bed9524d33c3c1f903.exe

  • Size

    72KB

  • MD5

    7177d8bdb3e2e896088768db462da9c7

  • SHA1

    299bf450c044c627294cdaaee36e87dba7d169ee

  • SHA256

    485a0346917f3f4c31780ceddf38f6c52527620d28fba5bed9524d33c3c1f903

  • SHA512

    4716cb2d812d784fc65f662c014e4af53d97d0e873422e8035a52308aafcab4d34cc97f954d50cfad1978bf714972422d0dad9cd180a479b46c622faf9e25367

  • SSDEEP

    768:3uypNTAoZjRWUJs9bmo2qL7KjGKG6PIyzjbFgX3iSA0lCsV6WBDZzx:3uypNTAGo2WKYDy3bCXSSDl5VRdzx

Score
10/10
asyncratdevdiscoveryrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

DEV

C2

devnodes.duckdns.org:6905

Mutex

DevMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    true

  • install_file

    audiocf.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
  • 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\JaffaCakes118_485a0346917f3f4c31780ceddf38f6c52527620d28fba5bed9524d33c3c1f903.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_485a0346917f3f4c31780ceddf38f6c52527620d28fba5bed9524d33c3c1f903.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2644
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "audiocf" /tr '"C:\Users\Admin\AppData\Roaming\audiocf.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2332
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "audiocf" /tr '"C:\Users\Admin\AppData\Roaming\audiocf.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3868
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpA96F.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2088
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:2452
      • C:\Users\Admin\AppData\Roaming\audiocf.exe
        "C:\Users\Admin\AppData\Roaming\audiocf.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:1664

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpA96F.tmp.bat
    Filesize

    151B

    MD5

    63815014f008ed6b588a3c0c6600930d

    SHA1

    ad549e2165c51a94c864e8d0043b22467babfe3e

    SHA256

    cfe9386e5ab28c1c2117f244bfe2188a98a74a87b21ad47f175101651d22fbb0

    SHA512

    2eb54cf9395a2d47e7133907c53c3162907fba4b126491e0c1959f675c876e588844474c9473d19e861a6afde5e618b9208443d9158c731e03129a6fb3d2a335

    Download Submit

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

    72KB

    MD5

    7177d8bdb3e2e896088768db462da9c7

    SHA1

    299bf450c044c627294cdaaee36e87dba7d169ee

    SHA256

    485a0346917f3f4c31780ceddf38f6c52527620d28fba5bed9524d33c3c1f903

    SHA512

    4716cb2d812d784fc65f662c014e4af53d97d0e873422e8035a52308aafcab4d34cc97f954d50cfad1978bf714972422d0dad9cd180a479b46c622faf9e25367

    Download Submit

  • memory/1664-13-0x0000000075130000-0x00000000758E0000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/1664-14-0x0000000075130000-0x00000000758E0000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/2644-0-0x00000000751EE000-0x00000000751EF000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2644-1-0x0000000000DA0000-0x0000000000DB2000-memory.dmp

    Filesize

    72KB

    Download

  • memory/2644-2-0x00000000751E0000-0x0000000075990000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/2644-3-0x00000000057D0000-0x000000000586C000-memory.dmp

    Filesize

    624KB

    Download

  • memory/2644-8-0x00000000751E0000-0x0000000075990000-memory.dmp

    Filesize

    7.7MB

    Download