Overview

overview

10

Static

static

10

d34baac584...cc.exe

windows7-x64

10

d34baac584...cc.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2024 12:40

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General

  • Target

    d34baac584dbdb97e38274818de69e3aaea8877962c4f50b0b67d51d36e5afcc.exe

  • Size

    63KB

  • MD5

    103629304104bf87dc75a086f3aebdb2

  • SHA1

    6a03d4e5bba8c4ffb6c7432f948951b9c6064130

  • SHA256

    d34baac584dbdb97e38274818de69e3aaea8877962c4f50b0b67d51d36e5afcc

  • SHA512

    30647aa2adf2d7991385b730e15e9954b4b6ba58ab551850ab450b7f83c91b8c89f21de3bbf43fd4e9f858f65a1eac471b929821263c86966d16ead526206604

  • SSDEEP

    768:otD5i7QHEU78j8C8A+XiV07hobtVZTnR48uyq1+T43SBGHmDbDBph0of3g4tyySI:GIgE8lwtNliQYUbrhB3g4AugdpqKmY7E

Score
10/10
asyncratdefaultrat

Malware Config

Extracted

Family

asyncrat

Botnet

Default

C2

127.0.0.1:4321

127.0.0.1:17567

company-parker.gl.at.ply.gg:4321

company-parker.gl.at.ply.gg:17567
Attributes
  • delay

    1

  • install

    true

  • install_file

    Grettaexecutor.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).

  • 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 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\d34baac584dbdb97e38274818de69e3aaea8877962c4f50b0b67d51d36e5afcc.exe
    "C:\Users\Admin\AppData\Local\Temp\d34baac584dbdb97e38274818de69e3aaea8877962c4f50b0b67d51d36e5afcc.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4780
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Grettaexecutor" /tr '"C:\Users\Admin\AppData\Roaming\Grettaexecutor.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2300
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "Grettaexecutor" /tr '"C:\Users\Admin\AppData\Roaming\Grettaexecutor.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:1064
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp93F3.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2004
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:2372
      • C:\Users\Admin\AppData\Roaming\Grettaexecutor.exe
        "C:\Users\Admin\AppData\Roaming\Grettaexecutor.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3984

Network

MITRE ATT&CK Enterprise v15

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp93F3.tmp.bat
    Filesize

    158B

    MD5

    27354d05bf36ad3b7370ae0561c57098

    SHA1

    243b680616a7b8dffcf7e9db18d67eb0f3afba3e

    SHA256

    4c8f56b552b724bf64e3e93c09b1a8ec21afca56fce673b3683e830cc91d44ab

    SHA512

    ddec3c2a7f3dbdc2aeaa52cdce1821cdd7e569d3d46b96563d0f3c365137700ec7d110e4af0ffb9e6ff55db91bd75f24aa2fab30b2bffe572ce81a6a8befd449

    Download Submit

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

    63KB

    MD5

    103629304104bf87dc75a086f3aebdb2

    SHA1

    6a03d4e5bba8c4ffb6c7432f948951b9c6064130

    SHA256

    d34baac584dbdb97e38274818de69e3aaea8877962c4f50b0b67d51d36e5afcc

    SHA512

    30647aa2adf2d7991385b730e15e9954b4b6ba58ab551850ab450b7f83c91b8c89f21de3bbf43fd4e9f858f65a1eac471b929821263c86966d16ead526206604

    Download Submit

  • memory/4780-1-0x0000000000D20000-0x0000000000D36000-memory.dmp

    Filesize

    88KB

    Download

  • memory/4780-0-0x00007FFB668C3000-0x00007FFB668C5000-memory.dmp

    Filesize

    8KB

    Download

  • memory/4780-2-0x00007FFB668C0000-0x00007FFB67381000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/4780-7-0x00007FFB668C0000-0x00007FFB67381000-memory.dmp

    Filesize

    10.8MB

    Download

  • memory/4780-8-0x00007FFB668C0000-0x00007FFB67381000-memory.dmp

    Filesize

    10.8MB

    Download