Overview

overview

10

Static

static

10

968a7b0921...fe.exe

windows7-x64

10

968a7b0921...fe.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    115s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-12-2024 05:22

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General

  • Target

    968a7b0921b85b1b798da57648120b5f9f3e5a4eda06228fe01fb5676ef359fe.exe

  • Size

    47KB

  • MD5

    cc3e568a148a70373ece2c6845e8ad73

  • SHA1

    9759229daee480d6adbda5c6892175174cdf0cf4

  • SHA256

    968a7b0921b85b1b798da57648120b5f9f3e5a4eda06228fe01fb5676ef359fe

  • SHA512

    f20208f3a2229d5a2aac413106ffa0327c0e98f512ab2e0c50646594931e7ff1f253d242cd28fab5f09c841d746da0559d22949cbe99d2e395ef7cfdb073bd6f

  • SSDEEP

    768:EuXI1TAYhAVWU1LGvmo2q4KSETUvgcPI0qfiFps0bX/GVOl6krLKFOycBDZYxq:EuXI1TAuP2q8K0qfAZbX/G8UL6dYxq

Score
10/10
asyncratdefaultdiscoveryrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

147.185.221.24:40668

resolution-messages.gl.at.ply.gg:40668
Mutex

lzsTzjhhhJXe

Attributes
  • delay

    3

  • install

    true

  • install_file

    Windows Temporary Storage Helper.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 3 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\968a7b0921b85b1b798da57648120b5f9f3e5a4eda06228fe01fb5676ef359fe.exe
    "C:\Users\Admin\AppData\Local\Temp\968a7b0921b85b1b798da57648120b5f9f3e5a4eda06228fe01fb5676ef359fe.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1284
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Windows Temporary Storage Helper" /tr '"C:\Users\Admin\AppData\Local\Temp\Windows Temporary Storage Helper.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4676
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "Windows Temporary Storage Helper" /tr '"C:\Users\Admin\AppData\Local\Temp\Windows Temporary Storage Helper.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:996
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpAA88.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1968
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:2196
      • C:\Users\Admin\AppData\Local\Temp\Windows Temporary Storage Helper.exe
        "C:\Users\Admin\AppData\Local\Temp\Windows Temporary Storage Helper.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:2316

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Windows Temporary Storage Helper.exe
    Filesize

    47KB

    MD5

    cc3e568a148a70373ece2c6845e8ad73

    SHA1

    9759229daee480d6adbda5c6892175174cdf0cf4

    SHA256

    968a7b0921b85b1b798da57648120b5f9f3e5a4eda06228fe01fb5676ef359fe

    SHA512

    f20208f3a2229d5a2aac413106ffa0327c0e98f512ab2e0c50646594931e7ff1f253d242cd28fab5f09c841d746da0559d22949cbe99d2e395ef7cfdb073bd6f

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\tmpAA88.tmp.bat
    Filesize

    179B

    MD5

    ba1ce03479c0f5b00e2a3fc760d8f59b

    SHA1

    5617facbdb23a76e7d6c286a4f42b960fdd79444

    SHA256

    410db94179b25f46d64ffed40bf68e667037f8afcfc07db860f030f9a44ec093

    SHA512

    ecb052aa9002665d0210cf33130b0b5e91bb5ec9c4dbe11056784f09e31d9bd294692afb17dd180bff1154546e26c6f6388e742509e489786f8107b62e895cbe

    Download Submit

  • memory/1284-0-0x0000000074DCE000-0x0000000074DCF000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1284-1-0x0000000000AC0000-0x0000000000AD2000-memory.dmp

    Filesize

    72KB

    Download

  • memory/1284-2-0x0000000074DC0000-0x0000000075570000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/1284-3-0x0000000005470000-0x00000000054D6000-memory.dmp

    Filesize

    408KB

    Download

  • memory/1284-4-0x00000000058F0000-0x000000000598C000-memory.dmp

    Filesize

    624KB

    Download

  • memory/1284-10-0x0000000074DC0000-0x0000000075570000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/2316-14-0x0000000074DC0000-0x0000000075570000-memory.dmp

    Filesize

    7.7MB

    Download

  • memory/2316-15-0x0000000074DC0000-0x0000000075570000-memory.dmp

    Filesize

    7.7MB

    Download