Overview

overview

10

Static

static

10

c353463fd4...2a.exe

windows7_x64

10

c353463fd4...2a.exe

windows10_x64

10

Analysis

  • max time kernel
    156s
  • max time network
    167s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    30/01/2022, 13:16

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General

  • Target
    c353463fd4ebfca3c9e68fd388e7662a.exe
  • Size 63KB
  • Sample220130-qhs1csbefk
  • SHA256 0162b4457b84b9a3d7978bd41db509a734cb8d098b7b847dd37cd381c4af3d7b
  • MD5 SHA1 SHA512
Score
10/10
asyncratdefaultrat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 1.0.7

Botnet

  • Default

C2

  • helpmetakeyoursoul.awsmppl.com:228

Mutex

  • Mutex_qwqdanchun

Attributes
  • anti_vm

    false

  • bsod

    false

  • delay

    1

  • install

    true

  • install_file

    Churkaebanaya.exe

  • install_folder

    %AppData%

  • pastebin_config

    null

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers.

    ratasyncrat
  • Async RAT payload 3 IoCs
    rat
  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistence
  • Delays execution with timeout.exe 1 IoCs
    evasion
  • Suspicious behavior: EnumeratesProcesses 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c353463fd4ebfca3c9e68fd388e7662a.exe
    "C:\Users\Admin\AppData\Local\Temp\c353463fd4ebfca3c9e68fd388e7662a.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2808
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Churkaebanaya" /tr '"C:\Users\Admin\AppData\Roaming\Churkaebanaya.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:748
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "Churkaebanaya" /tr '"C:\Users\Admin\AppData\Roaming\Churkaebanaya.exe"'
        3⤵
        • Creates scheduled task(s)
        PID:3148
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp700B.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:756
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:300
      • C:\Users\Admin\AppData\Roaming\Churkaebanaya.exe
        "C:\Users\Admin\AppData\Roaming\Churkaebanaya.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:868

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/868-120-0x000000001AC90000-0x000000001AC92000-memory.dmp
        Download

        memory/2808-115-0x0000000000E60000-0x0000000000E76000-memory.dmp
        Download

        memory/2808-116-0x000000001BAC0000-0x000000001BAC2000-memory.dmp
        Download