Analysis

  • max time kernel
    290s
  • max time network
    297s
  • platform
    windows10-1703_x64
  • resource
    win10-20240221-en
  • resource tags

    arch:x64arch:x86image:win10-20240221-enlocale:en-usos:windows10-1703-x64system
  • submitted
    01-04-2024 05:02

General

  • Target

    910533ae2325a274a3b637ac7eb825ba8927471de6cc3d6af7257bd32ae2b8c9.exe

  • Size

    1.8MB

  • MD5

    e4226508090f53a2c9d669bbe8a7a325

  • SHA1

    a242e7577da5cb7f62d67650c01abd3d8247c5f1

  • SHA256

    910533ae2325a274a3b637ac7eb825ba8927471de6cc3d6af7257bd32ae2b8c9

  • SHA512

    01c4ab5546798fadc4886b2c53e39fcd0a5cf2562f82b2a41310c8c7fc763ea1f52e3d6a86ec80dc5587af0dea9dc3b63ca4528c5853179e676f3dc9884a2652

  • SSDEEP

    24576:RIv1RbCwENw5NckMnquL3npXQ1kADD9Y3NGMigrphaNGDd+zXhJX1Wp3kRi7:RO1Rnd5zU09UGZgr3PR+zXhip3kRi

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\910533ae2325a274a3b637ac7eb825ba8927471de6cc3d6af7257bd32ae2b8c9.exe
    "C:\Users\Admin\AppData\Local\Temp\910533ae2325a274a3b637ac7eb825ba8927471de6cc3d6af7257bd32ae2b8c9.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:4308
  • 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:5052
    • 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:4748
      • 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:3652
        • C:\Windows\system32\netsh.exe
          netsh wlan show profiles
          4⤵
            PID:880
          • 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\824464007487_Desktop.zip' -CompressionLevel Optimal
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:928
      • 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:4236

    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

      e4226508090f53a2c9d669bbe8a7a325

      SHA1

      a242e7577da5cb7f62d67650c01abd3d8247c5f1

      SHA256

      910533ae2325a274a3b637ac7eb825ba8927471de6cc3d6af7257bd32ae2b8c9

      SHA512

      01c4ab5546798fadc4886b2c53e39fcd0a5cf2562f82b2a41310c8c7fc763ea1f52e3d6a86ec80dc5587af0dea9dc3b63ca4528c5853179e676f3dc9884a2652

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zjvnlkja.wbi.ps1

      Filesize

      1B

      MD5

      c4ca4238a0b923820dcc509a6f75849b

      SHA1

      356a192b7913b04c54574d18c28d46e6395428ab

      SHA256

      6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

      SHA512

      4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

    • 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/928-46-0x000001B6FC810000-0x000001B6FC832000-memory.dmp

      Filesize

      136KB

    • memory/928-50-0x000001B6FC8A0000-0x000001B6FC8B0000-memory.dmp

      Filesize

      64KB

    • memory/928-51-0x000001B6FCF00000-0x000001B6FCF76000-memory.dmp

      Filesize

      472KB

    • memory/928-53-0x000001B6FC8A0000-0x000001B6FC8B0000-memory.dmp

      Filesize

      64KB

    • memory/928-74-0x000001B6FC8A0000-0x000001B6FC8B0000-memory.dmp

      Filesize

      64KB

    • memory/928-88-0x000001B6FC9D0000-0x000001B6FC9E2000-memory.dmp

      Filesize

      72KB

    • memory/928-101-0x000001B6FC9C0000-0x000001B6FC9CA000-memory.dmp

      Filesize

      40KB

    • memory/928-110-0x00007FFFB48D0000-0x00007FFFB52BC000-memory.dmp

      Filesize

      9.9MB

    • memory/928-49-0x00007FFFB48D0000-0x00007FFFB52BC000-memory.dmp

      Filesize

      9.9MB

    • memory/4308-6-0x0000000004A10000-0x0000000004A11000-memory.dmp

      Filesize

      4KB

    • memory/4308-16-0x0000000000320000-0x00000000007DB000-memory.dmp

      Filesize

      4.7MB

    • memory/4308-0-0x0000000000320000-0x00000000007DB000-memory.dmp

      Filesize

      4.7MB

    • memory/4308-12-0x0000000004A20000-0x0000000004A21000-memory.dmp

      Filesize

      4KB

    • memory/4308-11-0x0000000004A30000-0x0000000004A31000-memory.dmp

      Filesize

      4KB

    • memory/4308-9-0x0000000004A00000-0x0000000004A01000-memory.dmp

      Filesize

      4KB

    • memory/4308-8-0x00000000049C0000-0x00000000049C1000-memory.dmp

      Filesize

      4KB

    • memory/4308-7-0x00000000049B0000-0x00000000049B1000-memory.dmp

      Filesize

      4KB

    • memory/4308-3-0x00000000049E0000-0x00000000049E1000-memory.dmp

      Filesize

      4KB

    • memory/4308-5-0x00000000049D0000-0x00000000049D1000-memory.dmp

      Filesize

      4KB

    • memory/4308-4-0x00000000049F0000-0x00000000049F1000-memory.dmp

      Filesize

      4KB

    • memory/4308-2-0x0000000000320000-0x00000000007DB000-memory.dmp

      Filesize

      4.7MB

    • memory/4308-1-0x0000000076F24000-0x0000000076F25000-memory.dmp

      Filesize

      4KB

    • memory/5052-20-0x0000000000F50000-0x000000000140B000-memory.dmp

      Filesize

      4.7MB

    • memory/5052-129-0x0000000000F50000-0x000000000140B000-memory.dmp

      Filesize

      4.7MB

    • memory/5052-27-0x00000000049E0000-0x00000000049E1000-memory.dmp

      Filesize

      4KB

    • memory/5052-52-0x0000000000F50000-0x000000000140B000-memory.dmp

      Filesize

      4.7MB

    • memory/5052-28-0x00000000049D0000-0x00000000049D1000-memory.dmp

      Filesize

      4KB

    • memory/5052-26-0x0000000004960000-0x0000000004961000-memory.dmp

      Filesize

      4KB

    • memory/5052-25-0x0000000004970000-0x0000000004971000-memory.dmp

      Filesize

      4KB

    • memory/5052-24-0x0000000004950000-0x0000000004951000-memory.dmp

      Filesize

      4KB

    • memory/5052-21-0x0000000004990000-0x0000000004991000-memory.dmp

      Filesize

      4KB

    • memory/5052-23-0x00000000049B0000-0x00000000049B1000-memory.dmp

      Filesize

      4KB

    • memory/5052-22-0x0000000004980000-0x0000000004981000-memory.dmp

      Filesize

      4KB

    • memory/5052-111-0x0000000000F50000-0x000000000140B000-memory.dmp

      Filesize

      4.7MB

    • memory/5052-112-0x0000000000F50000-0x000000000140B000-memory.dmp

      Filesize

      4.7MB

    • memory/5052-19-0x0000000000F50000-0x000000000140B000-memory.dmp

      Filesize

      4.7MB

    • memory/5052-124-0x0000000000F50000-0x000000000140B000-memory.dmp

      Filesize

      4.7MB

    • memory/5052-125-0x0000000000F50000-0x000000000140B000-memory.dmp

      Filesize

      4.7MB

    • memory/5052-126-0x0000000000F50000-0x000000000140B000-memory.dmp

      Filesize

      4.7MB

    • memory/5052-127-0x0000000000F50000-0x000000000140B000-memory.dmp

      Filesize

      4.7MB

    • memory/5052-128-0x0000000000F50000-0x000000000140B000-memory.dmp

      Filesize

      4.7MB

    • memory/5052-29-0x0000000000F50000-0x000000000140B000-memory.dmp

      Filesize

      4.7MB

    • memory/5052-130-0x0000000000F50000-0x000000000140B000-memory.dmp

      Filesize

      4.7MB

    • memory/5052-131-0x0000000000F50000-0x000000000140B000-memory.dmp

      Filesize

      4.7MB

    • memory/5052-132-0x0000000000F50000-0x000000000140B000-memory.dmp

      Filesize

      4.7MB

    • memory/5052-133-0x0000000000F50000-0x000000000140B000-memory.dmp

      Filesize

      4.7MB

    • memory/5052-134-0x0000000000F50000-0x000000000140B000-memory.dmp

      Filesize

      4.7MB

    • memory/5052-135-0x0000000000F50000-0x000000000140B000-memory.dmp

      Filesize

      4.7MB

    • memory/5052-136-0x0000000000F50000-0x000000000140B000-memory.dmp

      Filesize

      4.7MB

    • memory/5052-137-0x0000000000F50000-0x000000000140B000-memory.dmp

      Filesize

      4.7MB

    • memory/5052-138-0x0000000000F50000-0x000000000140B000-memory.dmp

      Filesize

      4.7MB

    • memory/5052-139-0x0000000000F50000-0x000000000140B000-memory.dmp

      Filesize

      4.7MB

    • memory/5052-140-0x0000000000F50000-0x000000000140B000-memory.dmp

      Filesize

      4.7MB

    • memory/5052-141-0x0000000000F50000-0x000000000140B000-memory.dmp

      Filesize

      4.7MB

    • memory/5052-142-0x0000000000F50000-0x000000000140B000-memory.dmp

      Filesize

      4.7MB

    • memory/5052-143-0x0000000000F50000-0x000000000140B000-memory.dmp

      Filesize

      4.7MB

    • memory/5052-144-0x0000000000F50000-0x000000000140B000-memory.dmp

      Filesize

      4.7MB

    • memory/5052-145-0x0000000000F50000-0x000000000140B000-memory.dmp

      Filesize

      4.7MB

    • memory/5052-146-0x0000000000F50000-0x000000000140B000-memory.dmp

      Filesize

      4.7MB