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Analysis

  • max time kernel
    145s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    10/01/2025, 14:32

General

  • Target

    8f42d1e07595808544eed18a45e8d7220dff40597d4d53d0f63fab47554afbdf.exe

  • Size

    945KB

  • MD5

    bc18b6803a287e63b3668b5817f12419

  • SHA1

    bc21190df092d93629068c705ea8dc630d3db4a4

  • SHA256

    8f42d1e07595808544eed18a45e8d7220dff40597d4d53d0f63fab47554afbdf

  • SHA512

    2c29abcd294fd09e39cb604192628c2e4aa71241575ac38644c0fd7e5ac6b77c1f12302003636f166747d7b44649c7a9d31915e1b2c6c5fa09201428187c59e2

  • SSDEEP

    24576:nu6J33O0c+JY5UZ+XC0kGso6FaNXpPkMeCWY:hu0c++OCvkGs9FaNhkZY

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

69.174.100.131:6606

Mutex

abkZfsCYRZhk

Attributes
  • delay

    10

  • install

    false

  • install_file

    order.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

  • Asyncrat family
  • Drops startup file 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8f42d1e07595808544eed18a45e8d7220dff40597d4d53d0f63fab47554afbdf.exe
    "C:\Users\Admin\AppData\Local\Temp\8f42d1e07595808544eed18a45e8d7220dff40597d4d53d0f63fab47554afbdf.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2884
    • C:\Users\Admin\AppData\Local\preinhered\Wausaukee.exe
      "C:\Users\Admin\AppData\Local\Temp\8f42d1e07595808544eed18a45e8d7220dff40597d4d53d0f63fab47554afbdf.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2772
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Users\Admin\AppData\Local\Temp\8f42d1e07595808544eed18a45e8d7220dff40597d4d53d0f63fab47554afbdf.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2956

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\preinhered\Wausaukee.exe

    Filesize

    945KB

    MD5

    bc18b6803a287e63b3668b5817f12419

    SHA1

    bc21190df092d93629068c705ea8dc630d3db4a4

    SHA256

    8f42d1e07595808544eed18a45e8d7220dff40597d4d53d0f63fab47554afbdf

    SHA512

    2c29abcd294fd09e39cb604192628c2e4aa71241575ac38644c0fd7e5ac6b77c1f12302003636f166747d7b44649c7a9d31915e1b2c6c5fa09201428187c59e2

  • memory/2772-20-0x00000000007D0000-0x0000000000BD0000-memory.dmp

    Filesize

    4.0MB

  • memory/2884-6-0x00000000006B0000-0x0000000000AB0000-memory.dmp

    Filesize

    4.0MB

  • memory/2956-22-0x0000000000090000-0x00000000000A2000-memory.dmp

    Filesize

    72KB

  • memory/2956-24-0x0000000000090000-0x00000000000A2000-memory.dmp

    Filesize

    72KB

  • memory/2956-31-0x0000000000090000-0x00000000000A2000-memory.dmp

    Filesize

    72KB

  • memory/2956-28-0x0000000000090000-0x00000000000A2000-memory.dmp

    Filesize

    72KB

  • memory/2956-32-0x0000000073DCE000-0x0000000073DCF000-memory.dmp

    Filesize

    4KB

  • memory/2956-33-0x0000000073DCE000-0x0000000073DCF000-memory.dmp

    Filesize

    4KB

  • memory/2956-34-0x0000000073DC0000-0x00000000744AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2956-35-0x0000000073DC0000-0x00000000744AE000-memory.dmp

    Filesize

    6.9MB