Analysis

  • max time kernel
    157s
  • max time network
    164s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-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

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 2 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.

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 3 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 15 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
    • Checks computer location settings
    • 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:2772
    • 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
      • Checks computer location settings
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2752
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll, Main
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:744
        • C:\Windows\system32\rundll32.exe
          "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll, Main
          4⤵
          • Blocklisted process makes network request
          • Loads dropped DLL
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:3660
          • C:\Windows\system32\netsh.exe
            netsh wlan show profiles
            5⤵
              PID:3220
            • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
              powershell -Command Compress-Archive -Path 'C:\Users\Admin\AppData\Local\Temp\_Files_\' -DestinationPath 'C:\Users\Admin\AppData\Local\Temp\045580317372_Desktop.zip' -CompressionLevel Optimal
              5⤵
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:2060
        • 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:3496

    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\Local\Temp\__PSScriptPolicyTest_ws01jwtg.r2v.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • 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

      1.2MB

      MD5

      15a42d3e4579da615a384c717ab2109b

      SHA1

      22aeedeb2307b1370cdab70d6a6b6d2c13ad2301

      SHA256

      3c97bb410e49b11af8116feb7240b7101e1967cae7538418c45c3d2e072e8103

      SHA512

      1eb7f126dccc88a2479e3818c36120f5af3caa0d632b9ea803485ee6531d6e2a1fd0805b1c4364983d280df23ea5ca3ad4a5fca558ac436efae36af9b795c444

    • memory/2060-69-0x00007FFD54FD0000-0x00007FFD55A91000-memory.dmp

      Filesize

      10.8MB

    • memory/2060-54-0x000002DE67C20000-0x000002DE67C42000-memory.dmp

      Filesize

      136KB

    • memory/2060-63-0x000002DE68120000-0x000002DE6812A000-memory.dmp

      Filesize

      40KB

    • memory/2060-62-0x000002DE6A790000-0x000002DE6A7A2000-memory.dmp

      Filesize

      72KB

    • memory/2060-61-0x000002DE68130000-0x000002DE68140000-memory.dmp

      Filesize

      64KB

    • memory/2060-60-0x000002DE68130000-0x000002DE68140000-memory.dmp

      Filesize

      64KB

    • memory/2060-59-0x00007FFD54FD0000-0x00007FFD55A91000-memory.dmp

      Filesize

      10.8MB

    • memory/2752-89-0x0000000000710000-0x0000000000BD3000-memory.dmp

      Filesize

      4.8MB

    • memory/2752-34-0x0000000000710000-0x0000000000BD3000-memory.dmp

      Filesize

      4.8MB

    • memory/2752-24-0x0000000000710000-0x0000000000BD3000-memory.dmp

      Filesize

      4.8MB

    • memory/2752-90-0x0000000000710000-0x0000000000BD3000-memory.dmp

      Filesize

      4.8MB

    • memory/2752-25-0x0000000000710000-0x0000000000BD3000-memory.dmp

      Filesize

      4.8MB

    • memory/2752-27-0x0000000005100000-0x0000000005101000-memory.dmp

      Filesize

      4KB

    • memory/2752-30-0x00000000050C0000-0x00000000050C1000-memory.dmp

      Filesize

      4KB

    • memory/2752-31-0x00000000050D0000-0x00000000050D1000-memory.dmp

      Filesize

      4KB

    • memory/2752-29-0x0000000005120000-0x0000000005121000-memory.dmp

      Filesize

      4KB

    • memory/2752-28-0x00000000050E0000-0x00000000050E1000-memory.dmp

      Filesize

      4KB

    • memory/2752-37-0x0000000000710000-0x0000000000BD3000-memory.dmp

      Filesize

      4.8MB

    • memory/2752-33-0x0000000005140000-0x0000000005141000-memory.dmp

      Filesize

      4KB

    • memory/2752-32-0x0000000005150000-0x0000000005151000-memory.dmp

      Filesize

      4KB

    • memory/2752-70-0x0000000000710000-0x0000000000BD3000-memory.dmp

      Filesize

      4.8MB

    • memory/2752-35-0x0000000000710000-0x0000000000BD3000-memory.dmp

      Filesize

      4.8MB

    • memory/2752-88-0x0000000000710000-0x0000000000BD3000-memory.dmp

      Filesize

      4.8MB

    • memory/2752-87-0x0000000000710000-0x0000000000BD3000-memory.dmp

      Filesize

      4.8MB

    • memory/2752-26-0x00000000050F0000-0x00000000050F1000-memory.dmp

      Filesize

      4KB

    • memory/2752-86-0x0000000000710000-0x0000000000BD3000-memory.dmp

      Filesize

      4.8MB

    • memory/2752-85-0x0000000000710000-0x0000000000BD3000-memory.dmp

      Filesize

      4.8MB

    • memory/2752-84-0x0000000000710000-0x0000000000BD3000-memory.dmp

      Filesize

      4.8MB

    • memory/2752-83-0x0000000000710000-0x0000000000BD3000-memory.dmp

      Filesize

      4.8MB

    • memory/2752-82-0x0000000000710000-0x0000000000BD3000-memory.dmp

      Filesize

      4.8MB

    • memory/2752-36-0x0000000000710000-0x0000000000BD3000-memory.dmp

      Filesize

      4.8MB

    • memory/2752-81-0x0000000000710000-0x0000000000BD3000-memory.dmp

      Filesize

      4.8MB

    • memory/2772-3-0x0000000004D70000-0x0000000004D71000-memory.dmp

      Filesize

      4KB

    • memory/2772-0-0x0000000000920000-0x0000000000DE3000-memory.dmp

      Filesize

      4.8MB

    • memory/2772-1-0x0000000077E44000-0x0000000077E46000-memory.dmp

      Filesize

      8KB

    • memory/2772-5-0x0000000004D60000-0x0000000004D61000-memory.dmp

      Filesize

      4KB

    • memory/2772-8-0x0000000004D50000-0x0000000004D51000-memory.dmp

      Filesize

      4KB

    • memory/2772-9-0x0000000004DA0000-0x0000000004DA1000-memory.dmp

      Filesize

      4KB

    • memory/2772-10-0x0000000004DD0000-0x0000000004DD1000-memory.dmp

      Filesize

      4KB

    • memory/2772-11-0x0000000004DC0000-0x0000000004DC1000-memory.dmp

      Filesize

      4KB

    • memory/2772-2-0x0000000000920000-0x0000000000DE3000-memory.dmp

      Filesize

      4.8MB

    • memory/2772-6-0x0000000004DB0000-0x0000000004DB1000-memory.dmp

      Filesize

      4KB

    • memory/2772-7-0x0000000004D40000-0x0000000004D41000-memory.dmp

      Filesize

      4KB

    • memory/2772-4-0x0000000004D80000-0x0000000004D81000-memory.dmp

      Filesize

      4KB

    • memory/2772-22-0x0000000000920000-0x0000000000DE3000-memory.dmp

      Filesize

      4.8MB