Overview

overview

10

Static

static

10

1dc3e04c25...9a.exe

windows7-x64

10

1dc3e04c25...9a.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
    27-10-2024 20:41

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General

  • Target

    1dc3e04c25cce7028ef9f5b645dfa6cc113c8bb3bc92aeb7d8ecf547ce12579a.exe

  • Size

    47KB

  • MD5

    70c599d7fea4b5a29f7adae785ce9bf1

  • SHA1

    46c508df2a683eb0b2b507badc214f8e6bf13b6a

  • SHA256

    1dc3e04c25cce7028ef9f5b645dfa6cc113c8bb3bc92aeb7d8ecf547ce12579a

  • SHA512

    356a917c7e44a12f6a97551f907cfbd5b693ae19c7cdcb590c1691f0d4443bb3c5f56a246f5a1186ce3b6eaf5ce059047a95b3dfa2d925f470877873d4c2a09e

  • SSDEEP

    768:xu6XdTvER+SWUk6P4mo2qbrtM2KOB4Jrd0PImLzzJs9D0bHrMgIvjzKxFojwQBDo:xu6XdTv2S2EtCdd5Uzz7bHrCKxa0GdMx

Score
10/10
asyncratdefaultdiscoveryrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808
Mutex

WHXr1NLnlupn

Attributes
  • delay

    3

  • install

    true

  • install_file

    poop.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\1dc3e04c25cce7028ef9f5b645dfa6cc113c8bb3bc92aeb7d8ecf547ce12579a.exe
    "C:\Users\Admin\AppData\Local\Temp\1dc3e04c25cce7028ef9f5b645dfa6cc113c8bb3bc92aeb7d8ecf547ce12579a.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:780
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "poop" /tr '"C:\Users\Admin\AppData\Roaming\poop.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1824
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "poop" /tr '"C:\Users\Admin\AppData\Roaming\poop.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4456
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp97BC.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4448
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:1840
      • C:\Users\Admin\AppData\Roaming\poop.exe
        "C:\Users\Admin\AppData\Roaming\poop.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:3552

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp97BC.tmp.bat
    Filesize

    148B

    MD5

    e1c5eff92035738455507e686b685992

    SHA1

    2e7d8ab13fa528dcb6f26ef26adae173a6de2f99

    SHA256

    dee4f7e548197f019d9832d9dcbfd77d46a481771355fa17691b2a950a715755

    SHA512

    d7986bc364c7f80895186ae3f770afaefc854fb0237ea193eedde8e60255e5204e9e96d42fdeb249187b7142ac4cc49745ab5dbcf6838ff6224e578231c83d33

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

    47KB

    MD5

    70c599d7fea4b5a29f7adae785ce9bf1

    SHA1

    46c508df2a683eb0b2b507badc214f8e6bf13b6a

    SHA256

    1dc3e04c25cce7028ef9f5b645dfa6cc113c8bb3bc92aeb7d8ecf547ce12579a

    SHA512

    356a917c7e44a12f6a97551f907cfbd5b693ae19c7cdcb590c1691f0d4443bb3c5f56a246f5a1186ce3b6eaf5ce059047a95b3dfa2d925f470877873d4c2a09e

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  • memory/780-0-0x000000007526E000-0x000000007526F000-memory.dmp

    Filesize

    4KB

    Download

  • memory/780-1-0x0000000000210000-0x0000000000222000-memory.dmp

    Filesize

    72KB

    Download

  • memory/780-2-0x0000000075260000-0x0000000075A10000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/780-3-0x0000000004C00000-0x0000000004C66000-memory.dmp

    Filesize

    408KB

    Download

  • memory/780-4-0x0000000005040000-0x00000000050DC000-memory.dmp

    Filesize

    624KB

    Download

  • memory/780-10-0x0000000075260000-0x0000000075A10000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/3552-14-0x00000000751C0000-0x0000000075970000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/3552-15-0x00000000751C0000-0x0000000075970000-memory.dmp

    Filesize

    7.7MB

    Download