Analysis

  • max time kernel
    146s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240221-en
  • resource tags

    arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    07-04-2024 16:59

General

  • Target

    487c298e3d6c21c263a9208547e97bbc706546e7549e290aa261cf4488bdff1b.exe

  • Size

    1.8MB

  • MD5

    f526fa05d3c69d651ae6e2326da3ef17

  • SHA1

    3bb26890dfc9d6dc31ce3aed7a25e89cd96fffb1

  • SHA256

    487c298e3d6c21c263a9208547e97bbc706546e7549e290aa261cf4488bdff1b

  • SHA512

    6eb2cae48b275a0b2ab0f793ea11a97f4b8647597e61c0ffd5aceae1c02df5c176072fcd3d16b719632a3046ff7210d0e12c918539d6259ae5857c0f85bf78c9

  • SSDEEP

    49152:vQagaKNSadS4I41j3pTGZgLZ6uufLPl7x:vQagaKNSIBf96uCPl7x

Score
10/10

Malware Config

Extracted

Family

amadey

Version

4.18

C2

http://193.233.132.56

Attributes
  • install_dir

    09fd851a4f

  • install_file

    explorha.exe

  • strings_key

    443351145ece4966ded809641c77cfa8

  • url_paths

    /Pneh2sXQk0/index.php

rc4.plain

Signatures

  • Amadey

    Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
  • Blocklisted process makes network request 1 IoCs
  • Downloads MZ/PE file
  • Checks BIOS information in registry 2 TTPs 4 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Executes dropped EXE 1 IoCs
  • Identifies Wine through registry keys 2 TTPs 2 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Loads dropped DLL 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\487c298e3d6c21c263a9208547e97bbc706546e7549e290aa261cf4488bdff1b.exe
    "C:\Users\Admin\AppData\Local\Temp\487c298e3d6c21c263a9208547e97bbc706546e7549e290aa261cf4488bdff1b.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2344
    • C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
      "C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe"
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:32
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll, Main
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2000
        • C:\Windows\system32\rundll32.exe
          "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll, Main
          4⤵
            PID:5008
        • C:\Windows\SysWOW64\rundll32.exe
          "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\clip64.dll, Main
          3⤵
          • Blocklisted process makes network request
          • Loads dropped DLL
          PID:2372

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe

      Filesize

      1.8MB

      MD5

      f526fa05d3c69d651ae6e2326da3ef17

      SHA1

      3bb26890dfc9d6dc31ce3aed7a25e89cd96fffb1

      SHA256

      487c298e3d6c21c263a9208547e97bbc706546e7549e290aa261cf4488bdff1b

      SHA512

      6eb2cae48b275a0b2ab0f793ea11a97f4b8647597e61c0ffd5aceae1c02df5c176072fcd3d16b719632a3046ff7210d0e12c918539d6259ae5857c0f85bf78c9

    • C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\clip64.dll

      Filesize

      109KB

      MD5

      726cd06231883a159ec1ce28dd538699

      SHA1

      404897e6a133d255ad5a9c26ac6414d7134285a2

      SHA256

      12fef2d5995d671ec0e91bdbdc91e2b0d3c90ed3a8b2b13ddaa8ad64727dcd46

      SHA512

      9ea82e7cb6c6a58446bd5033855947c3e2d475d2910f2b941235e0b96aa08eec822d2dd17cc86b2d3fce930f78b799291992408e309a6c63e3011266810ea83e

    • C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll

      Filesize

      576KB

      MD5

      0dbf7be9756a1527348b822603b77d03

      SHA1

      15c815137220fd4fadaf2752b91c991149a7910f

      SHA256

      8bc98d48ba8672dd85aa33a7dfe0178553a3705d42f84359f047cf57fab21284

      SHA512

      a0f4b373e13ef062806b63bce74acfc237d5c696386b8af741354ff0a2eda80ef4a8bfa6859ffb7f26cc2a7e16ce2802baeeb3aa6c2f9afe482186b81690ce3a

    • memory/32-37-0x0000000000EE0000-0x00000000013A3000-memory.dmp

      Filesize

      4.8MB

    • memory/32-26-0x0000000004EB0000-0x0000000004EB1000-memory.dmp

      Filesize

      4KB

    • memory/32-29-0x0000000004EA0000-0x0000000004EA1000-memory.dmp

      Filesize

      4KB

    • memory/32-31-0x0000000004F10000-0x0000000004F11000-memory.dmp

      Filesize

      4KB

    • memory/32-65-0x0000000000EE0000-0x00000000013A3000-memory.dmp

      Filesize

      4.8MB

    • memory/32-64-0x0000000000EE0000-0x00000000013A3000-memory.dmp

      Filesize

      4.8MB

    • memory/32-63-0x0000000000EE0000-0x00000000013A3000-memory.dmp

      Filesize

      4.8MB

    • memory/32-62-0x0000000000EE0000-0x00000000013A3000-memory.dmp

      Filesize

      4.8MB

    • memory/32-51-0x0000000000EE0000-0x00000000013A3000-memory.dmp

      Filesize

      4.8MB

    • memory/32-30-0x0000000004F20000-0x0000000004F21000-memory.dmp

      Filesize

      4KB

    • memory/32-23-0x0000000000EE0000-0x00000000013A3000-memory.dmp

      Filesize

      4.8MB

    • memory/32-38-0x0000000000EE0000-0x00000000013A3000-memory.dmp

      Filesize

      4.8MB

    • memory/32-25-0x0000000004EC0000-0x0000000004EC1000-memory.dmp

      Filesize

      4KB

    • memory/32-28-0x0000000004E90000-0x0000000004E91000-memory.dmp

      Filesize

      4KB

    • memory/32-27-0x0000000004EF0000-0x0000000004EF1000-memory.dmp

      Filesize

      4KB

    • memory/32-24-0x0000000000EE0000-0x00000000013A3000-memory.dmp

      Filesize

      4.8MB

    • memory/32-41-0x0000000000EE0000-0x00000000013A3000-memory.dmp

      Filesize

      4.8MB

    • memory/32-40-0x0000000000EE0000-0x00000000013A3000-memory.dmp

      Filesize

      4.8MB

    • memory/32-39-0x0000000000EE0000-0x00000000013A3000-memory.dmp

      Filesize

      4.8MB

    • memory/32-32-0x0000000000EE0000-0x00000000013A3000-memory.dmp

      Filesize

      4.8MB

    • memory/32-33-0x0000000000EE0000-0x00000000013A3000-memory.dmp

      Filesize

      4.8MB

    • memory/32-34-0x0000000000EE0000-0x00000000013A3000-memory.dmp

      Filesize

      4.8MB

    • memory/32-35-0x0000000000EE0000-0x00000000013A3000-memory.dmp

      Filesize

      4.8MB

    • memory/32-36-0x0000000000EE0000-0x00000000013A3000-memory.dmp

      Filesize

      4.8MB

    • memory/2344-22-0x0000000000730000-0x0000000000BF3000-memory.dmp

      Filesize

      4.8MB

    • memory/2344-0-0x0000000000730000-0x0000000000BF3000-memory.dmp

      Filesize

      4.8MB

    • memory/2344-3-0x0000000005310000-0x0000000005311000-memory.dmp

      Filesize

      4KB

    • memory/2344-8-0x00000000052F0000-0x00000000052F1000-memory.dmp

      Filesize

      4KB

    • memory/2344-7-0x00000000052E0000-0x00000000052E1000-memory.dmp

      Filesize

      4KB

    • memory/2344-2-0x0000000000730000-0x0000000000BF3000-memory.dmp

      Filesize

      4.8MB

    • memory/2344-4-0x0000000005320000-0x0000000005321000-memory.dmp

      Filesize

      4KB

    • memory/2344-1-0x0000000077506000-0x0000000077508000-memory.dmp

      Filesize

      8KB

    • memory/2344-9-0x0000000005370000-0x0000000005371000-memory.dmp

      Filesize

      4KB

    • memory/2344-10-0x0000000005360000-0x0000000005361000-memory.dmp

      Filesize

      4KB

    • memory/2344-6-0x0000000005340000-0x0000000005341000-memory.dmp

      Filesize

      4KB

    • memory/2344-5-0x0000000005300000-0x0000000005301000-memory.dmp

      Filesize

      4KB