Analysis

  • max time kernel
    146s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240221-en
  • resource tags

    arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    01-04-2024 01:06

General

  • Target

    a1b4b46ab29e97c9e87f86cd2ef533a7884815fa51f0c25cb2da03bad4b5ba4f.exe

  • Size

    1.8MB

  • MD5

    099534f7d955508474bf7a1e529f2127

  • SHA1

    2c3be5128d946401f32463b10913e83954bb937c

  • SHA256

    a1b4b46ab29e97c9e87f86cd2ef533a7884815fa51f0c25cb2da03bad4b5ba4f

  • SHA512

    00e088e3e38ef34c0ddd8cb3651ac03523e7f08ff1dbfc8a9a2ebae299ad8ad52fe6bcde93ef756defb5ef6142acbf3015ea6269f76f8aed934ac88ad0286310

  • SSDEEP

    49152:TIrRcjj42ahO562qQKydFDXeBFBvM11g:TIzhOE2DFDu54

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 4 IoCs
  • Blocklisted process makes network request 2 IoCs
  • Downloads MZ/PE file
  • Checks BIOS information in registry 2 TTPs 8 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Identifies Wine through registry keys 2 TTPs 4 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 4 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 20 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\a1b4b46ab29e97c9e87f86cd2ef533a7884815fa51f0c25cb2da03bad4b5ba4f.exe
    "C:\Users\Admin\AppData\Local\Temp\a1b4b46ab29e97c9e87f86cd2ef533a7884815fa51f0c25cb2da03bad4b5ba4f.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:2520
    • 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:1344
      • 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:2028
        • 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:824
          • C:\Windows\system32\netsh.exe
            netsh wlan show profiles
            5⤵
              PID:5012
            • 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\280069375290_Desktop.zip' -CompressionLevel Optimal
              5⤵
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:1484
        • 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:2116
    • C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
      C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
      1⤵
      • 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
      PID:2044
    • C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
      C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
      1⤵
      • 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
      PID:3612

    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

      099534f7d955508474bf7a1e529f2127

      SHA1

      2c3be5128d946401f32463b10913e83954bb937c

      SHA256

      a1b4b46ab29e97c9e87f86cd2ef533a7884815fa51f0c25cb2da03bad4b5ba4f

      SHA512

      00e088e3e38ef34c0ddd8cb3651ac03523e7f08ff1dbfc8a9a2ebae299ad8ad52fe6bcde93ef756defb5ef6142acbf3015ea6269f76f8aed934ac88ad0286310

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_t03aszuk.gj3.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/1344-90-0x00000000004C0000-0x000000000096B000-memory.dmp

      Filesize

      4.7MB

    • memory/1344-107-0x00000000004C0000-0x000000000096B000-memory.dmp

      Filesize

      4.7MB

    • memory/1344-109-0x00000000004C0000-0x000000000096B000-memory.dmp

      Filesize

      4.7MB

    • memory/1344-108-0x00000000004C0000-0x000000000096B000-memory.dmp

      Filesize

      4.7MB

    • memory/1344-67-0x00000000004C0000-0x000000000096B000-memory.dmp

      Filesize

      4.7MB

    • memory/1344-106-0x00000000004C0000-0x000000000096B000-memory.dmp

      Filesize

      4.7MB

    • memory/1344-105-0x00000000004C0000-0x000000000096B000-memory.dmp

      Filesize

      4.7MB

    • memory/1344-94-0x00000000004C0000-0x000000000096B000-memory.dmp

      Filesize

      4.7MB

    • memory/1344-22-0x00000000004C0000-0x000000000096B000-memory.dmp

      Filesize

      4.7MB

    • memory/1344-24-0x0000000004F40000-0x0000000004F41000-memory.dmp

      Filesize

      4KB

    • memory/1344-23-0x00000000004C0000-0x000000000096B000-memory.dmp

      Filesize

      4.7MB

    • memory/1344-25-0x0000000004F30000-0x0000000004F31000-memory.dmp

      Filesize

      4KB

    • memory/1344-26-0x0000000004F70000-0x0000000004F71000-memory.dmp

      Filesize

      4KB

    • memory/1344-93-0x00000000004C0000-0x000000000096B000-memory.dmp

      Filesize

      4.7MB

    • memory/1344-27-0x0000000004F10000-0x0000000004F11000-memory.dmp

      Filesize

      4KB

    • memory/1344-29-0x0000000004F50000-0x0000000004F51000-memory.dmp

      Filesize

      4KB

    • memory/1344-30-0x0000000004FA0000-0x0000000004FA1000-memory.dmp

      Filesize

      4KB

    • memory/1344-31-0x0000000004F90000-0x0000000004F91000-memory.dmp

      Filesize

      4KB

    • memory/1344-32-0x00000000004C0000-0x000000000096B000-memory.dmp

      Filesize

      4.7MB

    • memory/1344-92-0x00000000004C0000-0x000000000096B000-memory.dmp

      Filesize

      4.7MB

    • memory/1344-91-0x00000000004C0000-0x000000000096B000-memory.dmp

      Filesize

      4.7MB

    • memory/1344-89-0x00000000004C0000-0x000000000096B000-memory.dmp

      Filesize

      4.7MB

    • memory/1344-78-0x00000000004C0000-0x000000000096B000-memory.dmp

      Filesize

      4.7MB

    • memory/1344-28-0x0000000004F20000-0x0000000004F21000-memory.dmp

      Filesize

      4KB

    • memory/1344-56-0x00000000004C0000-0x000000000096B000-memory.dmp

      Filesize

      4.7MB

    • memory/1344-66-0x00000000004C0000-0x000000000096B000-memory.dmp

      Filesize

      4.7MB

    • memory/1484-55-0x0000022981720000-0x0000022981730000-memory.dmp

      Filesize

      64KB

    • memory/1484-59-0x00000229FFBF0000-0x00000229FFBFA000-memory.dmp

      Filesize

      40KB

    • memory/1484-58-0x00000229FFC50000-0x00000229FFC62000-memory.dmp

      Filesize

      72KB

    • memory/1484-65-0x00007FFC68E20000-0x00007FFC698E2000-memory.dmp

      Filesize

      10.8MB

    • memory/1484-54-0x0000022981720000-0x0000022981730000-memory.dmp

      Filesize

      64KB

    • memory/1484-53-0x00007FFC68E20000-0x00007FFC698E2000-memory.dmp

      Filesize

      10.8MB

    • memory/1484-57-0x0000022981720000-0x0000022981730000-memory.dmp

      Filesize

      64KB

    • memory/1484-52-0x00000229FFC20000-0x00000229FFC42000-memory.dmp

      Filesize

      136KB

    • memory/2044-80-0x00000000004C0000-0x000000000096B000-memory.dmp

      Filesize

      4.7MB

    • memory/2044-81-0x00000000004C0000-0x000000000096B000-memory.dmp

      Filesize

      4.7MB

    • memory/2044-87-0x0000000005330000-0x0000000005331000-memory.dmp

      Filesize

      4KB

    • memory/2044-86-0x0000000005320000-0x0000000005321000-memory.dmp

      Filesize

      4KB

    • memory/2044-85-0x0000000005380000-0x0000000005381000-memory.dmp

      Filesize

      4KB

    • memory/2044-84-0x0000000005340000-0x0000000005341000-memory.dmp

      Filesize

      4KB

    • memory/2044-83-0x0000000005360000-0x0000000005361000-memory.dmp

      Filesize

      4KB

    • memory/2044-82-0x0000000005350000-0x0000000005351000-memory.dmp

      Filesize

      4KB

    • memory/2044-88-0x00000000004C0000-0x000000000096B000-memory.dmp

      Filesize

      4.7MB

    • memory/2520-7-0x0000000004BA0000-0x0000000004BA1000-memory.dmp

      Filesize

      4KB

    • memory/2520-5-0x0000000004BF0000-0x0000000004BF1000-memory.dmp

      Filesize

      4KB

    • memory/2520-6-0x0000000004B90000-0x0000000004B91000-memory.dmp

      Filesize

      4KB

    • memory/2520-4-0x0000000004BB0000-0x0000000004BB1000-memory.dmp

      Filesize

      4KB

    • memory/2520-1-0x00000000772A6000-0x00000000772A8000-memory.dmp

      Filesize

      8KB

    • memory/2520-21-0x0000000000140000-0x00000000005EB000-memory.dmp

      Filesize

      4.7MB

    • memory/2520-0-0x0000000000140000-0x00000000005EB000-memory.dmp

      Filesize

      4.7MB

    • memory/2520-2-0x0000000000140000-0x00000000005EB000-memory.dmp

      Filesize

      4.7MB

    • memory/2520-8-0x0000000004C20000-0x0000000004C21000-memory.dmp

      Filesize

      4KB

    • memory/2520-3-0x0000000004BC0000-0x0000000004BC1000-memory.dmp

      Filesize

      4KB

    • memory/2520-9-0x0000000004C10000-0x0000000004C11000-memory.dmp

      Filesize

      4KB

    • memory/3612-100-0x0000000005570000-0x0000000005571000-memory.dmp

      Filesize

      4KB

    • memory/3612-101-0x0000000005510000-0x0000000005511000-memory.dmp

      Filesize

      4KB

    • memory/3612-103-0x0000000005550000-0x0000000005551000-memory.dmp

      Filesize

      4KB

    • memory/3612-104-0x00000000004C0000-0x000000000096B000-memory.dmp

      Filesize

      4.7MB

    • memory/3612-102-0x0000000005520000-0x0000000005521000-memory.dmp

      Filesize

      4KB

    • memory/3612-99-0x0000000005530000-0x0000000005531000-memory.dmp

      Filesize

      4KB

    • memory/3612-98-0x0000000005540000-0x0000000005541000-memory.dmp

      Filesize

      4KB

    • memory/3612-96-0x00000000004C0000-0x000000000096B000-memory.dmp

      Filesize

      4.7MB

    • memory/3612-97-0x00000000004C0000-0x000000000096B000-memory.dmp

      Filesize

      4.7MB