Overview

overview

10

Static

static

10

5b8f4ac518...18.exe

windows7-x64

10

5b8f4ac518...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    140s
  • 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
    19-10-2024 07:42

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General

  • Target

    5b8f4ac518b63ad22760cccdce780111_JaffaCakes118.exe

  • Size

    45KB

  • MD5

    5b8f4ac518b63ad22760cccdce780111

  • SHA1

    9dbbaa605d00f2810047d03553468d68cae09627

  • SHA256

    32e9232c14e3ddbe71f437caaca8f3ea699b81a7479590527d7ed8969b5a4a1a

  • SHA512

    9d66eb70b9fe49318492d0fd01711c007a45aa6b73886738c51341e275dbc5bc356fd65b6c651a84807e96cceae0a16736588dee45cf02ec3c6760c0e0ebd8a4

  • SSDEEP

    768:C6tKW2VIifsg3ACjeG6KLDiFdBTebkhvd/rduYmjOfxQ1Gg+xMLMx:C610j6TrqbwvRr5SOZKGbxMLMx

Score
10/10
asyncratminecraftsborkadiscoveryrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

MinecraftSborka

C2

8.tcp.ngrok.io:30397

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    true

  • install_file

    spoolsv.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\5b8f4ac518b63ad22760cccdce780111_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\5b8f4ac518b63ad22760cccdce780111_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:1500
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "spoolsv" /tr '"C:\Users\Admin\AppData\Roaming\spoolsv.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4132
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "spoolsv" /tr '"C:\Users\Admin\AppData\Roaming\spoolsv.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4564
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpBE10.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3552
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:1192
      • C:\Users\Admin\AppData\Roaming\spoolsv.exe
        "C:\Users\Admin\AppData\Roaming\spoolsv.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:5072

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpBE10.tmp.bat
    Filesize

    151B

    MD5

    602f63c44ec03b2d66d862233d2622d9

    SHA1

    82a9b2e7eb94c2f6f2e6740ef31611ea9706d3ee

    SHA256

    fb8794272602e5bb1b6ccbea3cb14cd9dacd207e9c51a6d8a2444fadf64fcdbe

    SHA512

    1d32f537b55808ff48f8ae1ff13605e8e4615df2dabfd2169287c3a9683e3dc821b50435c31fab5122a40c165ac3d57bd98033ff2ae4f569ff31a4a7e9eb507f

    Download Submit

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

    45KB

    MD5

    5b8f4ac518b63ad22760cccdce780111

    SHA1

    9dbbaa605d00f2810047d03553468d68cae09627

    SHA256

    32e9232c14e3ddbe71f437caaca8f3ea699b81a7479590527d7ed8969b5a4a1a

    SHA512

    9d66eb70b9fe49318492d0fd01711c007a45aa6b73886738c51341e275dbc5bc356fd65b6c651a84807e96cceae0a16736588dee45cf02ec3c6760c0e0ebd8a4

    Download Submit

  • memory/1500-0-0x000000007530E000-0x000000007530F000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1500-1-0x00000000007E0000-0x00000000007F2000-memory.dmp

    Filesize

    72KB

    Download

  • memory/1500-2-0x0000000075300000-0x0000000075AB0000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/1500-3-0x0000000005160000-0x00000000051FC000-memory.dmp

    Filesize

    624KB

    Download

  • memory/1500-8-0x0000000075300000-0x0000000075AB0000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/5072-13-0x0000000075300000-0x0000000075AB0000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/5072-14-0x0000000075300000-0x0000000075AB0000-memory.dmp

    Filesize

    7.7MB

    Download