Analysis

  • max time kernel
    121s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    28-10-2024 19:54

General

  • Target

    XBinderOutput.exe

  • Size

    85KB

  • MD5

    92d502cd0adf7ed26317f11a5b4ad760

  • SHA1

    09b70d4087a9196eb842acb566f72cfd08825eeb

  • SHA256

    abf0b9462cbb32034ef3f62ad470290ec43407085eb691ac3f61498dab7fd36c

  • SHA512

    d905b7ecf04ef0594eb9e5c26c71a512c8bd17705ea1c3854169100d6bffc2a42f457ff4c0d12f2deea311fa20b62dff4cf828b583a1201e5bb178fbae5c430c

  • SSDEEP

    1536:lMhlS6nzjc1fI7//fUciArlGhxuDuKSGpnb5qUV0Iqwfl3vcRd:l64gzY1fY//eh0Xb5uIqwN0

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Test

C2

5.tcp.eu.ngrok.io:19854

Mutex

DcRatMutex_adlzxvdama

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Asyncrat family
  • Async RAT payload 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\XBinderOutput.exe
    "C:\Users\Admin\AppData\Local\Temp\XBinderOutput.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2780
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\Client.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2812
    • C:\Users\Admin\AppData\Roaming\Client.exe
      "C:\Users\Admin\AppData\Roaming\Client.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2544

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab6A7.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar439A.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • C:\Users\Admin\AppData\Roaming\Client.exe

    Filesize

    47KB

    MD5

    44d12088a8d54d39588e4dac1b94afec

    SHA1

    2945aedf1dcdddfb90116b11121eb87e44386e4e

    SHA256

    05399ec3c3358a2fbf7c38cf026adb585de0f6015e44122900d5215132211307

    SHA512

    ad13eb4c0c14ae0dc7560501bd8af2a05f93657ca71deb911f9763bd4199aa203a3b8722c847c530260ac84dce3992fc0e3f403b83aee5ae4ffd5be6ec5fc195

  • memory/2544-35-0x0000000000BE0000-0x0000000000C44000-memory.dmp

    Filesize

    400KB

  • memory/2544-17-0x0000000000CB0000-0x0000000000CC2000-memory.dmp

    Filesize

    72KB

  • memory/2780-18-0x000007FEF5D10000-0x000007FEF66FC000-memory.dmp

    Filesize

    9.9MB

  • memory/2780-0-0x000007FEF5D13000-0x000007FEF5D14000-memory.dmp

    Filesize

    4KB

  • memory/2780-3-0x000007FEF5D10000-0x000007FEF66FC000-memory.dmp

    Filesize

    9.9MB

  • memory/2780-2-0x0000000000150000-0x000000000015C000-memory.dmp

    Filesize

    48KB

  • memory/2780-1-0x00000000008D0000-0x00000000008F0000-memory.dmp

    Filesize

    128KB

  • memory/2812-10-0x0000000002910000-0x0000000002918000-memory.dmp

    Filesize

    32KB

  • memory/2812-9-0x000000001B530000-0x000000001B812000-memory.dmp

    Filesize

    2.9MB

  • memory/2812-8-0x0000000002B80000-0x0000000002C00000-memory.dmp

    Filesize

    512KB