Analysis

  • max time kernel
    139s
  • 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
    31-03-2024 08:05

General

  • Target

    3ae0e846d5116a716420f71ff16b2489ab889ef6ab3d1e7dfb4b1447680bcdee.exe

  • Size

    1.8MB

  • MD5

    5d6ff253ae0ac0541592fdb4a185062c

  • SHA1

    189fdafc73c0cd2ebd59977d325aeb2d9a9fc1c1

  • SHA256

    3ae0e846d5116a716420f71ff16b2489ab889ef6ab3d1e7dfb4b1447680bcdee

  • SHA512

    d66296124beee389226666ca8bd449971d952c15a9bc98a6f3ef59bab5e07558259e68d43fed36df2c4f4040cd002cda77a03d9319ee94a9da1405b012cc1c14

  • SSDEEP

    49152:eWao39AAAH3WOPrOEpMM6/KNvEsZ4HrRVnV:VjiZ3bOqMXK154H3

Malware Config

Extracted

Family

amadey

Version

4.17

C2

http://185.215.113.32

Attributes
  • install_dir

    00c07260dc

  • install_file

    explorgu.exe

  • strings_key

    461809bd97c251ba0c0c8450c7055f1d

  • url_paths

    /yandex/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 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 WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3ae0e846d5116a716420f71ff16b2489ab889ef6ab3d1e7dfb4b1447680bcdee.exe
    "C:\Users\Admin\AppData\Local\Temp\3ae0e846d5116a716420f71ff16b2489ab889ef6ab3d1e7dfb4b1447680bcdee.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
    PID:1392
  • C:\Users\Admin\AppData\Local\Temp\00c07260dc\explorgu.exe
    C:\Users\Admin\AppData\Local\Temp\00c07260dc\explorgu.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
    • Suspicious use of WriteProcessMemory
    PID:4780
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\006700e5a2ab05\cred64.dll, Main
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:3116
      • C:\Windows\system32\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\006700e5a2ab05\cred64.dll, Main
        3⤵
        • Blocklisted process makes network request
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4524
        • C:\Windows\system32\netsh.exe
          netsh wlan show profiles
          4⤵
            PID:2204
          • 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
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2164
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\006700e5a2ab05\clip64.dll, Main
        2⤵
        • Blocklisted process makes network request
        • Loads dropped DLL
        PID:2352

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\00c07260dc\explorgu.exe

      Filesize

      1.8MB

      MD5

      5d6ff253ae0ac0541592fdb4a185062c

      SHA1

      189fdafc73c0cd2ebd59977d325aeb2d9a9fc1c1

      SHA256

      3ae0e846d5116a716420f71ff16b2489ab889ef6ab3d1e7dfb4b1447680bcdee

      SHA512

      d66296124beee389226666ca8bd449971d952c15a9bc98a6f3ef59bab5e07558259e68d43fed36df2c4f4040cd002cda77a03d9319ee94a9da1405b012cc1c14

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zxsfod5h.fh3.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Roaming\006700e5a2ab05\clip64.dll

      Filesize

      109KB

      MD5

      2afdbe3b99a4736083066a13e4b5d11a

      SHA1

      4d4856cf02b3123ac16e63d4a448cdbcb1633546

      SHA256

      8d31b39170909595b518b1a03e9ec950540fabd545ed14817cac5c84b91599ee

      SHA512

      d89b3c46854153e60e3fa825b394344eee33936d7dbf186af9d95c9adae54428609e3bf21a18d38fce3d96f3e0b8e4e0ed25cb5004fbe288de3aef3a85b1d93f

    • C:\Users\Admin\AppData\Roaming\006700e5a2ab05\cred64.dll

      Filesize

      1.2MB

      MD5

      92fbdfccf6a63acef2743631d16652a7

      SHA1

      971968b1378dd89d59d7f84bf92f16fc68664506

      SHA256

      b4588feacc183cd5a089f9bb950827b75df04bd5a6e67c95ff258e4a34aa0d72

      SHA512

      b8ea216d4a59d8858fd4128abb555f8dcf3acca9138e663b488f09dc5200db6dc11ecc235a355e801145bbbb44d7beac6147949d75d78b32fe9cfd2fa200d117

    • memory/1392-8-0x0000000004CE0000-0x0000000004CE1000-memory.dmp

      Filesize

      4KB

    • memory/1392-3-0x0000000004D00000-0x0000000004D01000-memory.dmp

      Filesize

      4KB

    • memory/1392-7-0x0000000004CD0000-0x0000000004CD1000-memory.dmp

      Filesize

      4KB

    • memory/1392-6-0x0000000004D30000-0x0000000004D31000-memory.dmp

      Filesize

      4KB

    • memory/1392-5-0x0000000004CF0000-0x0000000004CF1000-memory.dmp

      Filesize

      4KB

    • memory/1392-9-0x0000000004D20000-0x0000000004D21000-memory.dmp

      Filesize

      4KB

    • memory/1392-10-0x0000000004D50000-0x0000000004D51000-memory.dmp

      Filesize

      4KB

    • memory/1392-11-0x0000000004D40000-0x0000000004D41000-memory.dmp

      Filesize

      4KB

    • memory/1392-16-0x0000000000D40000-0x0000000001200000-memory.dmp

      Filesize

      4.8MB

    • memory/1392-4-0x0000000004D10000-0x0000000004D11000-memory.dmp

      Filesize

      4KB

    • memory/1392-2-0x0000000000D40000-0x0000000001200000-memory.dmp

      Filesize

      4.8MB

    • memory/1392-0-0x0000000000D40000-0x0000000001200000-memory.dmp

      Filesize

      4.8MB

    • memory/1392-1-0x0000000077636000-0x0000000077638000-memory.dmp

      Filesize

      8KB

    • memory/2164-64-0x00007FFFEB3C0000-0x00007FFFEBE82000-memory.dmp

      Filesize

      10.8MB

    • memory/2164-51-0x0000022CEA170000-0x0000022CEA192000-memory.dmp

      Filesize

      136KB

    • memory/2164-58-0x0000022CEA160000-0x0000022CEA16A000-memory.dmp

      Filesize

      40KB

    • memory/2164-57-0x0000022CEA660000-0x0000022CEA672000-memory.dmp

      Filesize

      72KB

    • memory/2164-56-0x0000022CD1A00000-0x0000022CD1A10000-memory.dmp

      Filesize

      64KB

    • memory/2164-55-0x0000022CD1A00000-0x0000022CD1A10000-memory.dmp

      Filesize

      64KB

    • memory/2164-53-0x0000022CD1A00000-0x0000022CD1A10000-memory.dmp

      Filesize

      64KB

    • memory/2164-52-0x00007FFFEB3C0000-0x00007FFFEBE82000-memory.dmp

      Filesize

      10.8MB

    • memory/4780-23-0x0000000005240000-0x0000000005241000-memory.dmp

      Filesize

      4KB

    • memory/4780-66-0x00000000007C0000-0x0000000000C80000-memory.dmp

      Filesize

      4.8MB

    • memory/4780-22-0x0000000005260000-0x0000000005261000-memory.dmp

      Filesize

      4KB

    • memory/4780-30-0x00000000007C0000-0x0000000000C80000-memory.dmp

      Filesize

      4.8MB

    • memory/4780-29-0x00000000052A0000-0x00000000052A1000-memory.dmp

      Filesize

      4KB

    • memory/4780-28-0x00000000052B0000-0x00000000052B1000-memory.dmp

      Filesize

      4KB

    • memory/4780-54-0x00000000007C0000-0x0000000000C80000-memory.dmp

      Filesize

      4.8MB

    • memory/4780-27-0x0000000005280000-0x0000000005281000-memory.dmp

      Filesize

      4KB

    • memory/4780-25-0x0000000005220000-0x0000000005221000-memory.dmp

      Filesize

      4KB

    • memory/4780-26-0x0000000005230000-0x0000000005231000-memory.dmp

      Filesize

      4KB

    • memory/4780-24-0x0000000005290000-0x0000000005291000-memory.dmp

      Filesize

      4KB

    • memory/4780-20-0x00000000007C0000-0x0000000000C80000-memory.dmp

      Filesize

      4.8MB

    • memory/4780-65-0x00000000007C0000-0x0000000000C80000-memory.dmp

      Filesize

      4.8MB

    • memory/4780-21-0x0000000005250000-0x0000000005251000-memory.dmp

      Filesize

      4KB

    • memory/4780-19-0x00000000007C0000-0x0000000000C80000-memory.dmp

      Filesize

      4.8MB

    • memory/4780-78-0x00000000007C0000-0x0000000000C80000-memory.dmp

      Filesize

      4.8MB

    • memory/4780-79-0x00000000007C0000-0x0000000000C80000-memory.dmp

      Filesize

      4.8MB

    • memory/4780-80-0x00000000007C0000-0x0000000000C80000-memory.dmp

      Filesize

      4.8MB

    • memory/4780-81-0x00000000007C0000-0x0000000000C80000-memory.dmp

      Filesize

      4.8MB

    • memory/4780-82-0x00000000007C0000-0x0000000000C80000-memory.dmp

      Filesize

      4.8MB

    • memory/4780-83-0x00000000007C0000-0x0000000000C80000-memory.dmp

      Filesize

      4.8MB

    • memory/4780-84-0x00000000007C0000-0x0000000000C80000-memory.dmp

      Filesize

      4.8MB

    • memory/4780-85-0x00000000007C0000-0x0000000000C80000-memory.dmp

      Filesize

      4.8MB

    • memory/4780-86-0x00000000007C0000-0x0000000000C80000-memory.dmp

      Filesize

      4.8MB

    • memory/4780-87-0x00000000007C0000-0x0000000000C80000-memory.dmp

      Filesize

      4.8MB