Analysis

  • max time kernel
    294s
  • max time network
    254s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28-03-2024 22:33

General

  • Target

    71fb2ff79a7684ff260ee2d18e39031fff68caef192fde171fec1b1474d4cf57.exe

  • Size

    1.8MB

  • MD5

    61f8182e6e2e08b8ec3ba205568d4fa2

  • SHA1

    b4db751747439531b5746b3869ae583bdac4a1d5

  • SHA256

    71fb2ff79a7684ff260ee2d18e39031fff68caef192fde171fec1b1474d4cf57

  • SHA512

    a9b9c4664dacfb385cdec3fa7e94680923e15b6077d461993d1dceaf21f615cf4149b5cd8f3727dac10343fe492fd457cb4bd1269d460076f146fecc3c81b1bf

  • SSDEEP

    49152:zYBwqUer+65GaV9vgOi9JUzgeU8ERJJQwQNILG7ZwQkz/oTukvK:zCXC3aVlngeURJ9fCuQcoSE

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.

  • 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 13 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\71fb2ff79a7684ff260ee2d18e39031fff68caef192fde171fec1b1474d4cf57.exe
    "C:\Users\Admin\AppData\Local\Temp\71fb2ff79a7684ff260ee2d18e39031fff68caef192fde171fec1b1474d4cf57.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1592
    • 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:2460
      • 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:2648
        • 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:2348
          • C:\Windows\system32\netsh.exe
            netsh wlan show profiles
            5⤵
              PID:572
            • 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\787592910372_Desktop.zip' -CompressionLevel Optimal
              5⤵
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:2736
        • 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:1636

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Defense Evasion

    Virtualization/Sandbox Evasion

    2
    T1497

    Credential Access

    Unsecured Credentials

    3
    T1552

    Credentials In Files

    2
    T1552.001

    Credentials in Registry

    1
    T1552.002

    Discovery

    Query Registry

    3
    T1012

    Virtualization/Sandbox Evasion

    2
    T1497

    System Information Discovery

    2
    T1082

    Collection

    Data from Local System

    3
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      1.8MB

      MD5

      61f8182e6e2e08b8ec3ba205568d4fa2

      SHA1

      b4db751747439531b5746b3869ae583bdac4a1d5

      SHA256

      71fb2ff79a7684ff260ee2d18e39031fff68caef192fde171fec1b1474d4cf57

      SHA512

      a9b9c4664dacfb385cdec3fa7e94680923e15b6077d461993d1dceaf21f615cf4149b5cd8f3727dac10343fe492fd457cb4bd1269d460076f146fecc3c81b1bf

    • 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/1592-10-0x0000000002370000-0x0000000002371000-memory.dmp
      Filesize

      4KB

    • memory/1592-11-0x00000000024D0000-0x00000000024D1000-memory.dmp
      Filesize

      4KB

    • memory/1592-5-0x00000000023C0000-0x00000000023C1000-memory.dmp
      Filesize

      4KB

    • memory/1592-6-0x00000000027D0000-0x00000000027D1000-memory.dmp
      Filesize

      4KB

    • memory/1592-7-0x00000000005E0000-0x00000000005E1000-memory.dmp
      Filesize

      4KB

    • memory/1592-8-0x00000000024E0000-0x00000000024E1000-memory.dmp
      Filesize

      4KB

    • memory/1592-9-0x0000000002340000-0x0000000002341000-memory.dmp
      Filesize

      4KB

    • memory/1592-0-0x0000000000A90000-0x0000000000F3B000-memory.dmp
      Filesize

      4.7MB

    • memory/1592-12-0x0000000002680000-0x0000000002681000-memory.dmp
      Filesize

      4KB

    • memory/1592-3-0x0000000002530000-0x0000000002531000-memory.dmp
      Filesize

      4KB

    • memory/1592-13-0x00000000009C0000-0x00000000009C1000-memory.dmp
      Filesize

      4KB

    • memory/1592-14-0x0000000002350000-0x0000000002351000-memory.dmp
      Filesize

      4KB

    • memory/1592-15-0x0000000002360000-0x0000000002361000-memory.dmp
      Filesize

      4KB

    • memory/1592-16-0x00000000027E0000-0x00000000027E1000-memory.dmp
      Filesize

      4KB

    • memory/1592-18-0x0000000000630000-0x0000000000631000-memory.dmp
      Filesize

      4KB

    • memory/1592-19-0x0000000002930000-0x0000000002931000-memory.dmp
      Filesize

      4KB

    • memory/1592-4-0x0000000002550000-0x0000000002551000-memory.dmp
      Filesize

      4KB

    • memory/1592-2-0x0000000000A90000-0x0000000000F3B000-memory.dmp
      Filesize

      4.7MB

    • memory/1592-28-0x0000000000A90000-0x0000000000F3B000-memory.dmp
      Filesize

      4.7MB

    • memory/1592-1-0x0000000076FA0000-0x0000000076FA2000-memory.dmp
      Filesize

      8KB

    • memory/2460-46-0x0000000001010000-0x00000000014BB000-memory.dmp
      Filesize

      4.7MB

    • memory/2460-104-0x0000000001010000-0x00000000014BB000-memory.dmp
      Filesize

      4.7MB

    • memory/2460-32-0x0000000000DD0000-0x0000000000DD1000-memory.dmp
      Filesize

      4KB

    • memory/2460-34-0x0000000000ED0000-0x0000000000ED1000-memory.dmp
      Filesize

      4KB

    • memory/2460-36-0x0000000000AD0000-0x0000000000AD1000-memory.dmp
      Filesize

      4KB

    • memory/2460-35-0x0000000000910000-0x0000000000911000-memory.dmp
      Filesize

      4KB

    • memory/2460-37-0x0000000000B40000-0x0000000000B41000-memory.dmp
      Filesize

      4KB

    • memory/2460-39-0x0000000000EC0000-0x0000000000EC1000-memory.dmp
      Filesize

      4KB

    • memory/2460-38-0x0000000000C60000-0x0000000000C61000-memory.dmp
      Filesize

      4KB

    • memory/2460-40-0x0000000000AC0000-0x0000000000AC1000-memory.dmp
      Filesize

      4KB

    • memory/2460-41-0x0000000000AE0000-0x0000000000AE1000-memory.dmp
      Filesize

      4KB

    • memory/2460-43-0x0000000000B30000-0x0000000000B31000-memory.dmp
      Filesize

      4KB

    • memory/2460-44-0x0000000000EF0000-0x0000000000EF1000-memory.dmp
      Filesize

      4KB

    • memory/2460-45-0x0000000000EE0000-0x0000000000EE1000-memory.dmp
      Filesize

      4KB

    • memory/2460-31-0x0000000000C70000-0x0000000000C72000-memory.dmp
      Filesize

      8KB

    • memory/2460-47-0x0000000000920000-0x0000000000921000-memory.dmp
      Filesize

      4KB

    • memory/2460-30-0x0000000001010000-0x00000000014BB000-memory.dmp
      Filesize

      4.7MB

    • memory/2460-65-0x0000000001010000-0x00000000014BB000-memory.dmp
      Filesize

      4.7MB

    • memory/2460-70-0x0000000001010000-0x00000000014BB000-memory.dmp
      Filesize

      4.7MB

    • memory/2460-119-0x0000000001010000-0x00000000014BB000-memory.dmp
      Filesize

      4.7MB

    • memory/2460-118-0x0000000001010000-0x00000000014BB000-memory.dmp
      Filesize

      4.7MB

    • memory/2460-117-0x0000000001010000-0x00000000014BB000-memory.dmp
      Filesize

      4.7MB

    • memory/2460-116-0x0000000001010000-0x00000000014BB000-memory.dmp
      Filesize

      4.7MB

    • memory/2460-115-0x0000000001010000-0x00000000014BB000-memory.dmp
      Filesize

      4.7MB

    • memory/2460-114-0x0000000001010000-0x00000000014BB000-memory.dmp
      Filesize

      4.7MB

    • memory/2460-113-0x0000000001010000-0x00000000014BB000-memory.dmp
      Filesize

      4.7MB

    • memory/2460-112-0x0000000001010000-0x00000000014BB000-memory.dmp
      Filesize

      4.7MB

    • memory/2460-111-0x0000000001010000-0x00000000014BB000-memory.dmp
      Filesize

      4.7MB

    • memory/2460-29-0x0000000001010000-0x00000000014BB000-memory.dmp
      Filesize

      4.7MB

    • memory/2460-93-0x0000000001010000-0x00000000014BB000-memory.dmp
      Filesize

      4.7MB

    • memory/2460-94-0x0000000001010000-0x00000000014BB000-memory.dmp
      Filesize

      4.7MB

    • memory/2460-95-0x0000000001010000-0x00000000014BB000-memory.dmp
      Filesize

      4.7MB

    • memory/2460-96-0x0000000001010000-0x00000000014BB000-memory.dmp
      Filesize

      4.7MB

    • memory/2460-97-0x0000000001010000-0x00000000014BB000-memory.dmp
      Filesize

      4.7MB

    • memory/2460-98-0x0000000001010000-0x00000000014BB000-memory.dmp
      Filesize

      4.7MB

    • memory/2460-99-0x0000000001010000-0x00000000014BB000-memory.dmp
      Filesize

      4.7MB

    • memory/2460-100-0x0000000001010000-0x00000000014BB000-memory.dmp
      Filesize

      4.7MB

    • memory/2460-101-0x0000000001010000-0x00000000014BB000-memory.dmp
      Filesize

      4.7MB

    • memory/2460-102-0x0000000001010000-0x00000000014BB000-memory.dmp
      Filesize

      4.7MB

    • memory/2460-103-0x0000000001010000-0x00000000014BB000-memory.dmp
      Filesize

      4.7MB

    • memory/2460-33-0x0000000000B50000-0x0000000000B51000-memory.dmp
      Filesize

      4KB

    • memory/2460-105-0x0000000001010000-0x00000000014BB000-memory.dmp
      Filesize

      4.7MB

    • memory/2460-106-0x0000000001010000-0x00000000014BB000-memory.dmp
      Filesize

      4.7MB

    • memory/2460-107-0x0000000001010000-0x00000000014BB000-memory.dmp
      Filesize

      4.7MB

    • memory/2460-108-0x0000000001010000-0x00000000014BB000-memory.dmp
      Filesize

      4.7MB

    • memory/2460-109-0x0000000001010000-0x00000000014BB000-memory.dmp
      Filesize

      4.7MB

    • memory/2460-110-0x0000000001010000-0x00000000014BB000-memory.dmp
      Filesize

      4.7MB

    • memory/2736-79-0x000007FEF4BB0000-0x000007FEF554D000-memory.dmp
      Filesize

      9.6MB

    • memory/2736-77-0x00000000025D0000-0x0000000002650000-memory.dmp
      Filesize

      512KB

    • memory/2736-78-0x00000000025DB000-0x0000000002642000-memory.dmp
      Filesize

      412KB

    • memory/2736-76-0x00000000025D0000-0x0000000002650000-memory.dmp
      Filesize

      512KB

    • memory/2736-75-0x000007FEF4BB0000-0x000007FEF554D000-memory.dmp
      Filesize

      9.6MB

    • memory/2736-73-0x000007FEF4BB0000-0x000007FEF554D000-memory.dmp
      Filesize

      9.6MB

    • memory/2736-74-0x00000000025D0000-0x0000000002650000-memory.dmp
      Filesize

      512KB

    • memory/2736-72-0x0000000002560000-0x0000000002568000-memory.dmp
      Filesize

      32KB

    • memory/2736-71-0x000000001B310000-0x000000001B5F2000-memory.dmp
      Filesize

      2.9MB