Overview

overview

10

Static

static

10

2a465e1cff...01.exe

windows7-x64

10

2a465e1cff...01.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    144s
  • 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
    12/11/2024, 18:30

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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:3552
    • 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:2276
      • 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:2056
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpC719.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:752
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4424
      • 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:1580

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpC719.tmp.bat
    Filesize

    147B

    MD5

    879c9e8477a5d75f1b32d78ec87f5f51

    SHA1

    93b441379126b9deb4d25ac2b455c0dcb78f6f24

    SHA256

    396dc6ca7721849c4617de6a26f77acd9028266bc115ecdd9b0c18cc83d332b1

    SHA512

    c2d71ece5cceb33f059b6e4ecea55952d18942248bf24a582bb85b4c862ff0d33ae0404e99a34ea0e176aaf963807656864e328272fbf61432cc53f14d48a850

    Download Submit

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

    45KB

    MD5

    94eb371cf65dc29a53fcf3bc0173b35e

    SHA1

    ad4ddf8884c805f86ec09063cf6653ec012ae941

    SHA256

    2a465e1cff39d36c45dc0f9b28440411187ebe843e9311e2820804942d72e201

    SHA512

    c6fba4eea2e88dd34390ac8b9a38578e0b83731fb6ef8a551fa4d1489cbc64bb3eab6c9dc7c3a7872c9e595b8d016898f25a5f3e1e3bc1ceca8019816f5f6248

    Download Submit

  • memory/1580-13-0x0000000075340000-0x0000000075AF0000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/1580-14-0x0000000075340000-0x0000000075AF0000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/3552-0-0x00000000753FE000-0x00000000753FF000-memory.dmp

    Filesize

    4KB

    Download

  • memory/3552-1-0x0000000000B50000-0x0000000000B62000-memory.dmp

    Filesize

    72KB

    Download

  • memory/3552-2-0x00000000753F0000-0x0000000075BA0000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/3552-3-0x0000000005570000-0x000000000560C000-memory.dmp

    Filesize

    624KB

    Download

  • memory/3552-8-0x00000000753F0000-0x0000000075BA0000-memory.dmp

    Filesize

    7.7MB

    Download