Analysis

  • max time kernel
    147s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-04-2024 07:33

General

  • Target

    33deeb57e6b4cdbaeb7028f57447121ed4f24cee93b15b520ccec420f4ae27e2.exe

  • Size

    1.8MB

  • MD5

    5880acba32d6c6d7fd54e524309af89e

  • SHA1

    5b711c80faa960b415033d7bc15dfe3b619ef6f1

  • SHA256

    33deeb57e6b4cdbaeb7028f57447121ed4f24cee93b15b520ccec420f4ae27e2

  • SHA512

    4eb4b1c109c0909d5946decc504401ad5ac0223cedd2d1fc30f012f05f267c41989504df55d1dd401e91188f685ff2daa554ede8a4ca4d0600de1e595a502461

  • SSDEEP

    49152:mBS78U43OYW1O/PXuBrpK7niIhxZVUaLLr6oKqzYlv:mAB4392O/PacXZV5D6oKq

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 17 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\33deeb57e6b4cdbaeb7028f57447121ed4f24cee93b15b520ccec420f4ae27e2.exe
    "C:\Users\Admin\AppData\Local\Temp\33deeb57e6b4cdbaeb7028f57447121ed4f24cee93b15b520ccec420f4ae27e2.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:4584
  • 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:5000
    • 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:3684
      • 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:4404
        • C:\Windows\system32\netsh.exe
          netsh wlan show profiles
          4⤵
            PID:1628
          • 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\497073144238_Desktop.zip' -CompressionLevel Optimal
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4552
      • 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:1240

    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

      5880acba32d6c6d7fd54e524309af89e

      SHA1

      5b711c80faa960b415033d7bc15dfe3b619ef6f1

      SHA256

      33deeb57e6b4cdbaeb7028f57447121ed4f24cee93b15b520ccec420f4ae27e2

      SHA512

      4eb4b1c109c0909d5946decc504401ad5ac0223cedd2d1fc30f012f05f267c41989504df55d1dd401e91188f685ff2daa554ede8a4ca4d0600de1e595a502461

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dl0xoukc.smu.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/4552-54-0x000001A64C940000-0x000001A64C950000-memory.dmp

      Filesize

      64KB

    • memory/4552-64-0x00007FFB2DF70000-0x00007FFB2EA31000-memory.dmp

      Filesize

      10.8MB

    • memory/4552-42-0x000001A64C8D0000-0x000001A64C8F2000-memory.dmp

      Filesize

      136KB

    • memory/4552-52-0x00007FFB2DF70000-0x00007FFB2EA31000-memory.dmp

      Filesize

      10.8MB

    • memory/4552-53-0x000001A64C940000-0x000001A64C950000-memory.dmp

      Filesize

      64KB

    • memory/4552-56-0x000001A64C940000-0x000001A64C950000-memory.dmp

      Filesize

      64KB

    • memory/4552-57-0x000001A64EB00000-0x000001A64EB12000-memory.dmp

      Filesize

      72KB

    • memory/4552-58-0x000001A64C930000-0x000001A64C93A000-memory.dmp

      Filesize

      40KB

    • memory/4584-10-0x0000000004B40000-0x0000000004B41000-memory.dmp

      Filesize

      4KB

    • memory/4584-3-0x0000000004B00000-0x0000000004B01000-memory.dmp

      Filesize

      4KB

    • memory/4584-4-0x0000000004AF0000-0x0000000004AF1000-memory.dmp

      Filesize

      4KB

    • memory/4584-15-0x0000000000460000-0x000000000090A000-memory.dmp

      Filesize

      4.7MB

    • memory/4584-9-0x0000000004B50000-0x0000000004B51000-memory.dmp

      Filesize

      4KB

    • memory/4584-5-0x0000000004B20000-0x0000000004B21000-memory.dmp

      Filesize

      4KB

    • memory/4584-2-0x0000000000460000-0x000000000090A000-memory.dmp

      Filesize

      4.7MB

    • memory/4584-7-0x0000000004AE0000-0x0000000004AE1000-memory.dmp

      Filesize

      4KB

    • memory/4584-8-0x0000000004AD0000-0x0000000004AD1000-memory.dmp

      Filesize

      4KB

    • memory/4584-1-0x0000000077434000-0x0000000077436000-memory.dmp

      Filesize

      8KB

    • memory/4584-6-0x0000000004AC0000-0x0000000004AC1000-memory.dmp

      Filesize

      4KB

    • memory/4584-0-0x0000000000460000-0x000000000090A000-memory.dmp

      Filesize

      4.7MB

    • memory/5000-28-0x0000000005390000-0x0000000005391000-memory.dmp

      Filesize

      4KB

    • memory/5000-66-0x00000000007D0000-0x0000000000C7A000-memory.dmp

      Filesize

      4.7MB

    • memory/5000-27-0x00000000053A0000-0x00000000053A1000-memory.dmp

      Filesize

      4KB

    • memory/5000-24-0x0000000005310000-0x0000000005311000-memory.dmp

      Filesize

      4KB

    • memory/5000-26-0x0000000005370000-0x0000000005371000-memory.dmp

      Filesize

      4KB

    • memory/5000-25-0x0000000005320000-0x0000000005321000-memory.dmp

      Filesize

      4KB

    • memory/5000-23-0x0000000005380000-0x0000000005381000-memory.dmp

      Filesize

      4KB

    • memory/5000-55-0x00000000007D0000-0x0000000000C7A000-memory.dmp

      Filesize

      4.7MB

    • memory/5000-22-0x0000000005330000-0x0000000005331000-memory.dmp

      Filesize

      4KB

    • memory/5000-21-0x0000000005350000-0x0000000005351000-memory.dmp

      Filesize

      4KB

    • memory/5000-20-0x0000000005340000-0x0000000005341000-memory.dmp

      Filesize

      4KB

    • memory/5000-19-0x00000000007D0000-0x0000000000C7A000-memory.dmp

      Filesize

      4.7MB

    • memory/5000-65-0x00000000007D0000-0x0000000000C7A000-memory.dmp

      Filesize

      4.7MB

    • memory/5000-29-0x00000000007D0000-0x0000000000C7A000-memory.dmp

      Filesize

      4.7MB

    • memory/5000-18-0x00000000007D0000-0x0000000000C7A000-memory.dmp

      Filesize

      4.7MB

    • memory/5000-78-0x00000000007D0000-0x0000000000C7A000-memory.dmp

      Filesize

      4.7MB

    • memory/5000-79-0x00000000007D0000-0x0000000000C7A000-memory.dmp

      Filesize

      4.7MB

    • memory/5000-80-0x00000000007D0000-0x0000000000C7A000-memory.dmp

      Filesize

      4.7MB

    • memory/5000-81-0x00000000007D0000-0x0000000000C7A000-memory.dmp

      Filesize

      4.7MB

    • memory/5000-82-0x00000000007D0000-0x0000000000C7A000-memory.dmp

      Filesize

      4.7MB

    • memory/5000-83-0x00000000007D0000-0x0000000000C7A000-memory.dmp

      Filesize

      4.7MB

    • memory/5000-84-0x00000000007D0000-0x0000000000C7A000-memory.dmp

      Filesize

      4.7MB

    • memory/5000-85-0x00000000007D0000-0x0000000000C7A000-memory.dmp

      Filesize

      4.7MB

    • memory/5000-86-0x00000000007D0000-0x0000000000C7A000-memory.dmp

      Filesize

      4.7MB

    • memory/5000-87-0x00000000007D0000-0x0000000000C7A000-memory.dmp

      Filesize

      4.7MB

    • memory/5000-88-0x00000000007D0000-0x0000000000C7A000-memory.dmp

      Filesize

      4.7MB