Overview

overview

10

Static

static

10

2a465e1cff...01.exe

windows7-x64

10

2a465e1cff...01.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    95s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-11-2024 02:11

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General

  • Target

    2a465e1cff39d36c45dc0f9b28440411187ebe843e9311e2820804942d72e201.exe

  • Size

    45KB

  • MD5

    94eb371cf65dc29a53fcf3bc0173b35e

  • SHA1

    ad4ddf8884c805f86ec09063cf6653ec012ae941

  • SHA256

    2a465e1cff39d36c45dc0f9b28440411187ebe843e9311e2820804942d72e201

  • SHA512

    c6fba4eea2e88dd34390ac8b9a38578e0b83731fb6ef8a551fa4d1489cbc64bb3eab6c9dc7c3a7872c9e595b8d016898f25a5f3e1e3bc1ceca8019816f5f6248

  • SSDEEP

    768:8u6cdTAYhbJWUh9Nzmo2qLfKjPGagAWOzjbFgX3i6BwXytKe+CANqlcDZ2j+:8u6cdTAur2yKTKTO3bCXS6Bw+z+7Fd2S

Score
10/10
asyncratdefaultdiscoveryrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

45.147.46.188:1604

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    true

  • install_file

    abd.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\2a465e1cff39d36c45dc0f9b28440411187ebe843e9311e2820804942d72e201.exe
    "C:\Users\Admin\AppData\Local\Temp\2a465e1cff39d36c45dc0f9b28440411187ebe843e9311e2820804942d72e201.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3268
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "abd" /tr '"C:\Users\Admin\AppData\Roaming\abd.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:232
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "abd" /tr '"C:\Users\Admin\AppData\Roaming\abd.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1940
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp9124.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4396
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:3716
      • C:\Users\Admin\AppData\Roaming\abd.exe
        "C:\Users\Admin\AppData\Roaming\abd.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:4604

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp9124.tmp.bat
    Filesize

    147B

    MD5

    e7ac4ae7d68fef425912091e7a63a3b0

    SHA1

    65829db44cd2e946fa56dbe9f7c6a323ca9f195e

    SHA256

    a8d65e59b9245f519053a5ed8167e83774e593a3af1ffe86a9ebae535d645855

    SHA512

    a16c1fb69415242cd134dbfaa4517cbe85742b0904266849976bae6fb626f85378e43d44b82b6455e12bf96244875a00567b66236dbb51e32f818a6e4e863dec

    Download Submit

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

    45KB

    MD5

    94eb371cf65dc29a53fcf3bc0173b35e

    SHA1

    ad4ddf8884c805f86ec09063cf6653ec012ae941

    SHA256

    2a465e1cff39d36c45dc0f9b28440411187ebe843e9311e2820804942d72e201

    SHA512

    c6fba4eea2e88dd34390ac8b9a38578e0b83731fb6ef8a551fa4d1489cbc64bb3eab6c9dc7c3a7872c9e595b8d016898f25a5f3e1e3bc1ceca8019816f5f6248

    Download Submit

  • memory/3268-0-0x000000007490E000-0x000000007490F000-memory.dmp

    Filesize

    4KB

    Download

  • memory/3268-1-0x0000000000E00000-0x0000000000E12000-memory.dmp

    Filesize

    72KB

    Download

  • memory/3268-2-0x0000000074900000-0x00000000750B0000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/3268-3-0x00000000057F0000-0x000000000588C000-memory.dmp

    Filesize

    624KB

    Download

  • memory/3268-8-0x0000000074900000-0x00000000750B0000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/4604-13-0x0000000074850000-0x0000000075000000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/4604-16-0x0000000005D20000-0x00000000062C4000-memory.dmp

    Filesize

    5.6MB

    Download

  • memory/4604-17-0x0000000005840000-0x00000000058A6000-memory.dmp

    Filesize

    408KB

    Download

  • memory/4604-18-0x0000000074850000-0x0000000075000000-memory.dmp

    Filesize

    7.7MB

    Download