Analysis

  • max time kernel
    593s
  • max time network
    558s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-03-2024 23:32

General

  • Target

    amert.exe

  • Size

    1.8MB

  • MD5

    b8b5138dc6f97136cfebece16f80203d

  • SHA1

    e020d3ac6d101791801e8ce8c921a5f54f78abf5

  • SHA256

    7d1e736b876ad9f4effc5736323bbb1db9d53b49abda5a13d238cbe5f56e136c

  • SHA512

    f26e295c0845b57520ee8392761c532527ca41974f68f189bb37637b45455edceb098ca23d2952e495635719a8da8a39d86d880467bc6ad79071afd870dd9877

  • SSDEEP

    49152:6Bb/umIpUjoMJSb1MFkc5eCohVvb+22WBtsDSHLjgAgtZ:6B/zI3RW6c+hVJ2OymwjZ

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.

  • Checks computer location settings 2 TTPs 1 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 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\amert.exe
    "C:\Users\Admin\AppData\Local\Temp\amert.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
    PID:1396
  • 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
    • Checks computer location settings
    • Executes dropped EXE
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2276
    • 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:4892
      • 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:3068
        • C:\Windows\system32\netsh.exe
          netsh wlan show profiles
          4⤵
            PID:1748
          • 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
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4400
      • 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:4608

    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

      b8b5138dc6f97136cfebece16f80203d

      SHA1

      e020d3ac6d101791801e8ce8c921a5f54f78abf5

      SHA256

      7d1e736b876ad9f4effc5736323bbb1db9d53b49abda5a13d238cbe5f56e136c

      SHA512

      f26e295c0845b57520ee8392761c532527ca41974f68f189bb37637b45455edceb098ca23d2952e495635719a8da8a39d86d880467bc6ad79071afd870dd9877

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ljo52vuy.mhq.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/1396-9-0x0000000005500000-0x0000000005501000-memory.dmp

      Filesize

      4KB

    • memory/1396-3-0x00000000054E0000-0x00000000054E1000-memory.dmp

      Filesize

      4KB

    • memory/1396-6-0x0000000005510000-0x0000000005511000-memory.dmp

      Filesize

      4KB

    • memory/1396-7-0x00000000054B0000-0x00000000054B1000-memory.dmp

      Filesize

      4KB

    • memory/1396-5-0x00000000054D0000-0x00000000054D1000-memory.dmp

      Filesize

      4KB

    • memory/1396-8-0x00000000054C0000-0x00000000054C1000-memory.dmp

      Filesize

      4KB

    • memory/1396-10-0x0000000005530000-0x0000000005531000-memory.dmp

      Filesize

      4KB

    • memory/1396-11-0x0000000005520000-0x0000000005521000-memory.dmp

      Filesize

      4KB

    • memory/1396-16-0x0000000000FD0000-0x0000000001483000-memory.dmp

      Filesize

      4.7MB

    • memory/1396-4-0x00000000054F0000-0x00000000054F1000-memory.dmp

      Filesize

      4KB

    • memory/1396-0-0x0000000000FD0000-0x0000000001483000-memory.dmp

      Filesize

      4.7MB

    • memory/1396-2-0x0000000000FD0000-0x0000000001483000-memory.dmp

      Filesize

      4.7MB

    • memory/1396-1-0x0000000077184000-0x0000000077186000-memory.dmp

      Filesize

      8KB

    • memory/2276-85-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-95-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-24-0x00000000051D0000-0x00000000051D1000-memory.dmp

      Filesize

      4KB

    • memory/2276-25-0x0000000005170000-0x0000000005171000-memory.dmp

      Filesize

      4KB

    • memory/2276-26-0x0000000005180000-0x0000000005181000-memory.dmp

      Filesize

      4KB

    • memory/2276-27-0x00000000051F0000-0x00000000051F1000-memory.dmp

      Filesize

      4KB

    • memory/2276-28-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-23-0x0000000005190000-0x0000000005191000-memory.dmp

      Filesize

      4KB

    • memory/2276-41-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-22-0x00000000051B0000-0x00000000051B1000-memory.dmp

      Filesize

      4KB

    • memory/2276-132-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-131-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-130-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-129-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-128-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-127-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-126-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-125-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-64-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-65-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-20-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-77-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-78-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-79-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-80-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-81-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-82-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-83-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-84-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-19-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-86-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-87-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-88-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-89-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-90-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-91-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-92-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-93-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-94-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-21-0x00000000051A0000-0x00000000051A1000-memory.dmp

      Filesize

      4KB

    • memory/2276-96-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-97-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-98-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-99-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-100-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-101-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-102-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-103-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-104-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-105-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-106-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-107-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-108-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-109-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-110-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-111-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-112-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-113-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-114-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-115-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-116-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-117-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-118-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-119-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-120-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-121-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-122-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-123-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/2276-124-0x0000000000810000-0x0000000000CC3000-memory.dmp

      Filesize

      4.7MB

    • memory/4400-63-0x00007FF89C690000-0x00007FF89D151000-memory.dmp

      Filesize

      10.8MB

    • memory/4400-57-0x0000015B60130000-0x0000015B6013A000-memory.dmp

      Filesize

      40KB

    • memory/4400-56-0x0000015B60140000-0x0000015B60152000-memory.dmp

      Filesize

      72KB

    • memory/4400-54-0x0000015B5DCD0000-0x0000015B5DCE0000-memory.dmp

      Filesize

      64KB

    • memory/4400-55-0x0000015B5DCD0000-0x0000015B5DCE0000-memory.dmp

      Filesize

      64KB

    • memory/4400-53-0x0000015B5DCD0000-0x0000015B5DCE0000-memory.dmp

      Filesize

      64KB

    • memory/4400-52-0x00007FF89C690000-0x00007FF89D151000-memory.dmp

      Filesize

      10.8MB

    • memory/4400-47-0x0000015B5FDC0000-0x0000015B5FDE2000-memory.dmp

      Filesize

      136KB