Overview

overview

10

Static

static

10

2760-2-0x0...ry.exe

windows7-x64

10

2760-2-0x0...ry.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    142s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-10-2024 00:50

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General

  • Target

    2760-2-0x0000000000220000-0x0000000000232000-memory.exe

  • Size

    72KB

  • MD5

    abae485c5bb08a3c3d973a9f0bf4909f

  • SHA1

    7ab206b8de7e8e2757c25c0144164d337c454d43

  • SHA256

    120cdab22661efc232e872f45c5c42cee1f33f4b23996596bbffc1fe9cde1a03

  • SHA512

    890f360d52682b445f076c960ab6aa0babb5bd569bb8d54babecbb2ed266143c3746cccb7875f7589beabd8c0c64b66e4cfcf5629e43750a8b2547c40a33c42c

  • SSDEEP

    1536:yu270TceH2+nszByYfUlbAoEb7uYHTF25bxzlxOU0d+c:yu2oTceH2+szByYfUlbAoEb7uYB2jh0d

Score
10/10
asyncratdefaultdiscoveryrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

54.253.7.109:4447

Mutex

XqcNee3124zJ

Attributes
  • delay

    21

  • install

    true

  • install_file

    service.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 3 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2760-2-0x0000000000220000-0x0000000000232000-memory.exe
    "C:\Users\Admin\AppData\Local\Temp\2760-2-0x0000000000220000-0x0000000000232000-memory.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:916
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "service" /tr '"C:\Users\Admin\AppData\Roaming\service.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1480
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "service" /tr '"C:\Users\Admin\AppData\Roaming\service.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1416
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpD801.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4596
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:2336
      • C:\Users\Admin\AppData\Roaming\service.exe
        "C:\Users\Admin\AppData\Roaming\service.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:2636

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpD801.tmp.bat
    Filesize

    151B

    MD5

    0b246eb88a4bc91b4f5ca08ab540317d

    SHA1

    95391b17cd555e665fe0587261f23d9b0297a698

    SHA256

    dc64c2d3366895a5478d5be14a6fc6e69c336afdb5db489d029bd2fb4c467bc5

    SHA512

    a1b17339021f89983c0c2bc0aa4233d5ab0e79b9024952894b79e7cac039dcee47f1d7ce3571e462722a3416991eee729e42e1b5af2612734ac332d0ddb957e3

    Download Submit

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

    72KB

    MD5

    abae485c5bb08a3c3d973a9f0bf4909f

    SHA1

    7ab206b8de7e8e2757c25c0144164d337c454d43

    SHA256

    120cdab22661efc232e872f45c5c42cee1f33f4b23996596bbffc1fe9cde1a03

    SHA512

    890f360d52682b445f076c960ab6aa0babb5bd569bb8d54babecbb2ed266143c3746cccb7875f7589beabd8c0c64b66e4cfcf5629e43750a8b2547c40a33c42c

    Download Submit

  • memory/916-0-0x0000000074F8E000-0x0000000074F8F000-memory.dmp

    Filesize

    4KB

    Download

  • memory/916-1-0x0000000000BF0000-0x0000000000C02000-memory.dmp

    Filesize

    72KB

    Download

  • memory/916-2-0x0000000074F8E000-0x0000000074F8F000-memory.dmp

    Filesize

    4KB

    Download

  • memory/916-3-0x0000000074F80000-0x0000000075730000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/916-4-0x0000000005440000-0x00000000054A6000-memory.dmp

    Filesize

    408KB

    Download

  • memory/916-5-0x00000000058F0000-0x000000000598C000-memory.dmp

    Filesize

    624KB

    Download

  • memory/916-10-0x0000000074F80000-0x0000000075730000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/2636-15-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/2636-16-0x0000000074F00000-0x00000000756B0000-memory.dmp

    Filesize

    7.7MB

    Download