Overview

overview

10

Static

static

10

d94acc2a29...3f.exe

windows7-x64

10

d94acc2a29...3f.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
    17-12-2024 04:57

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General

  • Target

    d94acc2a29273419227c070be66a652e5d074de175d0ec572bf9dee2f833703f.exe

  • Size

    48KB

  • MD5

    dfeaafa71cc4f33a546b050aefb83519

  • SHA1

    3b34503a035774a83927fb5fc99a060c84e9b9e9

  • SHA256

    d94acc2a29273419227c070be66a652e5d074de175d0ec572bf9dee2f833703f

  • SHA512

    70c9ea4f9ee001648d85e11c6b6bc316b83c29866b97cb60fe2dc8f0994a721dcc77d9930020e5bbd19cab53a58cdf13c9af8d2f46d8e492d5e8e28d4c6763d4

  • SSDEEP

    768:zukaVT3ongoWU2Gjimo2qrInm5FtxsWPIsm3TcSU0bFrBM/WTepY8hUudDHBkSJx:zukaVT3Q+27OHxsfsm3tbBrTIh7HeS5V

Score
10/10
asyncratdefaultdiscoveryrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

14.243.221.170:3322

Mutex

ynBzTukwLg8N

Attributes
  • delay

    3

  • install

    true

  • install_file

    roIrMC.exe

  • install_folder

    %Temp%

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\d94acc2a29273419227c070be66a652e5d074de175d0ec572bf9dee2f833703f.exe
    "C:\Users\Admin\AppData\Local\Temp\d94acc2a29273419227c070be66a652e5d074de175d0ec572bf9dee2f833703f.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 "roIrMC" /tr '"C:\Users\Admin\AppData\Local\Temp\roIrMC.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1096
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "roIrMC" /tr '"C:\Users\Admin\AppData\Local\Temp\roIrMC.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3604
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp9579.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3460
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4900
      • C:\Users\Admin\AppData\Local\Temp\roIrMC.exe
        "C:\Users\Admin\AppData\Local\Temp\roIrMC.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:1980

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\roIrMC.exe
    Filesize

    48KB

    MD5

    dfeaafa71cc4f33a546b050aefb83519

    SHA1

    3b34503a035774a83927fb5fc99a060c84e9b9e9

    SHA256

    d94acc2a29273419227c070be66a652e5d074de175d0ec572bf9dee2f833703f

    SHA512

    70c9ea4f9ee001648d85e11c6b6bc316b83c29866b97cb60fe2dc8f0994a721dcc77d9930020e5bbd19cab53a58cdf13c9af8d2f46d8e492d5e8e28d4c6763d4

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\tmp9579.tmp.bat
    Filesize

    153B

    MD5

    737fb5cc5b41b21b981c2e620fe90aac

    SHA1

    34e1235ac47c75caf9825ea7b060b4a48a115723

    SHA256

    bbe86cb67721013d3d3c48b33af290c16f252a33cca3d2835b4e1e044bc386d7

    SHA512

    e01d026f4aa9f077f2c7e59e9ef8fb54127474ae741dae1e6fe29a1d6d4885748cf1501a4873936afb17a88d64794ea42b458d3dd530baf51acfd5a5677040c9

    Download Submit

  • memory/780-0-0x0000000074E5E000-0x0000000074E5F000-memory.dmp

    Filesize

    4KB

    Download

  • memory/780-1-0x0000000000D60000-0x0000000000D72000-memory.dmp

    Filesize

    72KB

    Download

  • memory/780-2-0x0000000074E50000-0x0000000075600000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/780-3-0x0000000005720000-0x00000000057BC000-memory.dmp

    Filesize

    624KB

    Download

  • memory/780-8-0x0000000074E50000-0x0000000075600000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/1980-13-0x0000000074E50000-0x0000000075600000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/1980-14-0x0000000074E50000-0x0000000075600000-memory.dmp

    Filesize

    7.7MB

    Download