Analysis

  • max time kernel
    298s
  • max time network
    298s
  • 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 05:06

General

  • Target

    bfa445e1f0447b0634242f1e3118004f3a04fd23a8db560e67de229f709a6385.exe

  • Size

    1.8MB

  • MD5

    da3a4922260236756281fd86faee9f41

  • SHA1

    c3e479cd6cf9bbc27a090ac448e02f3baa4ad359

  • SHA256

    bfa445e1f0447b0634242f1e3118004f3a04fd23a8db560e67de229f709a6385

  • SHA512

    bb844606c9280a8c9c8fa6e7934ec1f711f7aa37c5ad381f2e8318433d05f5c6c09cdb3bb7190d223f9cc037502be138fdd8bce1bf293eb6f75454bdd06f5eba

  • SSDEEP

    49152:68msgNotrCH2v7UooOLf5k5fYE9Kw5ODE7BFQxXwo:9yJWvobOTiYcWE7YXw

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\bfa445e1f0447b0634242f1e3118004f3a04fd23a8db560e67de229f709a6385.exe
    "C:\Users\Admin\AppData\Local\Temp\bfa445e1f0447b0634242f1e3118004f3a04fd23a8db560e67de229f709a6385.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:868
  • 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:2904
    • 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:3312
      • 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:2540
        • C:\Windows\system32\netsh.exe
          netsh wlan show profiles
          4⤵
            PID:1836
          • 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:4076
      • 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:1528

    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

      da3a4922260236756281fd86faee9f41

      SHA1

      c3e479cd6cf9bbc27a090ac448e02f3baa4ad359

      SHA256

      bfa445e1f0447b0634242f1e3118004f3a04fd23a8db560e67de229f709a6385

      SHA512

      bb844606c9280a8c9c8fa6e7934ec1f711f7aa37c5ad381f2e8318433d05f5c6c09cdb3bb7190d223f9cc037502be138fdd8bce1bf293eb6f75454bdd06f5eba

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4cvi15h3.dfc.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/868-5-0x0000000005370000-0x0000000005371000-memory.dmp

      Filesize

      4KB

    • memory/868-4-0x0000000005350000-0x0000000005351000-memory.dmp

      Filesize

      4KB

    • memory/868-6-0x0000000005310000-0x0000000005311000-memory.dmp

      Filesize

      4KB

    • memory/868-7-0x0000000005330000-0x0000000005331000-memory.dmp

      Filesize

      4KB

    • memory/868-8-0x0000000005320000-0x0000000005321000-memory.dmp

      Filesize

      4KB

    • memory/868-10-0x00000000053A0000-0x00000000053A1000-memory.dmp

      Filesize

      4KB

    • memory/868-11-0x0000000005390000-0x0000000005391000-memory.dmp

      Filesize

      4KB

    • memory/868-15-0x0000000000980000-0x0000000000E40000-memory.dmp

      Filesize

      4.8MB

    • memory/868-3-0x0000000005340000-0x0000000005341000-memory.dmp

      Filesize

      4KB

    • memory/868-0-0x0000000000980000-0x0000000000E40000-memory.dmp

      Filesize

      4.8MB

    • memory/868-2-0x0000000000980000-0x0000000000E40000-memory.dmp

      Filesize

      4.8MB

    • memory/868-1-0x0000000077DD4000-0x0000000077DD5000-memory.dmp

      Filesize

      4KB

    • memory/2904-132-0x0000000000D20000-0x00000000011E0000-memory.dmp

      Filesize

      4.8MB

    • memory/2904-137-0x0000000000D20000-0x00000000011E0000-memory.dmp

      Filesize

      4.8MB

    • memory/2904-23-0x00000000056B0000-0x00000000056B1000-memory.dmp

      Filesize

      4KB

    • memory/2904-24-0x0000000005650000-0x0000000005651000-memory.dmp

      Filesize

      4KB

    • memory/2904-25-0x0000000005660000-0x0000000005661000-memory.dmp

      Filesize

      4KB

    • memory/2904-26-0x00000000056E0000-0x00000000056E1000-memory.dmp

      Filesize

      4KB

    • memory/2904-27-0x00000000056D0000-0x00000000056D1000-memory.dmp

      Filesize

      4KB

    • memory/2904-28-0x0000000000D20000-0x00000000011E0000-memory.dmp

      Filesize

      4.8MB

    • memory/2904-22-0x0000000005670000-0x0000000005671000-memory.dmp

      Filesize

      4KB

    • memory/2904-148-0x0000000000D20000-0x00000000011E0000-memory.dmp

      Filesize

      4.8MB

    • memory/2904-147-0x0000000000D20000-0x00000000011E0000-memory.dmp

      Filesize

      4.8MB

    • memory/2904-146-0x0000000000D20000-0x00000000011E0000-memory.dmp

      Filesize

      4.8MB

    • memory/2904-145-0x0000000000D20000-0x00000000011E0000-memory.dmp

      Filesize

      4.8MB

    • memory/2904-144-0x0000000000D20000-0x00000000011E0000-memory.dmp

      Filesize

      4.8MB

    • memory/2904-21-0x0000000005690000-0x0000000005691000-memory.dmp

      Filesize

      4KB

    • memory/2904-73-0x0000000000D20000-0x00000000011E0000-memory.dmp

      Filesize

      4.8MB

    • memory/2904-143-0x0000000000D20000-0x00000000011E0000-memory.dmp

      Filesize

      4.8MB

    • memory/2904-142-0x0000000000D20000-0x00000000011E0000-memory.dmp

      Filesize

      4.8MB

    • memory/2904-141-0x0000000000D20000-0x00000000011E0000-memory.dmp

      Filesize

      4.8MB

    • memory/2904-140-0x0000000000D20000-0x00000000011E0000-memory.dmp

      Filesize

      4.8MB

    • memory/2904-110-0x0000000000D20000-0x00000000011E0000-memory.dmp

      Filesize

      4.8MB

    • memory/2904-111-0x0000000000D20000-0x00000000011E0000-memory.dmp

      Filesize

      4.8MB

    • memory/2904-19-0x0000000000D20000-0x00000000011E0000-memory.dmp

      Filesize

      4.8MB

    • memory/2904-123-0x0000000000D20000-0x00000000011E0000-memory.dmp

      Filesize

      4.8MB

    • memory/2904-124-0x0000000000D20000-0x00000000011E0000-memory.dmp

      Filesize

      4.8MB

    • memory/2904-125-0x0000000000D20000-0x00000000011E0000-memory.dmp

      Filesize

      4.8MB

    • memory/2904-126-0x0000000000D20000-0x00000000011E0000-memory.dmp

      Filesize

      4.8MB

    • memory/2904-127-0x0000000000D20000-0x00000000011E0000-memory.dmp

      Filesize

      4.8MB

    • memory/2904-128-0x0000000000D20000-0x00000000011E0000-memory.dmp

      Filesize

      4.8MB

    • memory/2904-129-0x0000000000D20000-0x00000000011E0000-memory.dmp

      Filesize

      4.8MB

    • memory/2904-130-0x0000000000D20000-0x00000000011E0000-memory.dmp

      Filesize

      4.8MB

    • memory/2904-131-0x0000000000D20000-0x00000000011E0000-memory.dmp

      Filesize

      4.8MB

    • memory/2904-18-0x0000000000D20000-0x00000000011E0000-memory.dmp

      Filesize

      4.8MB

    • memory/2904-133-0x0000000000D20000-0x00000000011E0000-memory.dmp

      Filesize

      4.8MB

    • memory/2904-134-0x0000000000D20000-0x00000000011E0000-memory.dmp

      Filesize

      4.8MB

    • memory/2904-135-0x0000000000D20000-0x00000000011E0000-memory.dmp

      Filesize

      4.8MB

    • memory/2904-136-0x0000000000D20000-0x00000000011E0000-memory.dmp

      Filesize

      4.8MB

    • memory/2904-20-0x0000000005680000-0x0000000005681000-memory.dmp

      Filesize

      4KB

    • memory/2904-138-0x0000000000D20000-0x00000000011E0000-memory.dmp

      Filesize

      4.8MB

    • memory/2904-139-0x0000000000D20000-0x00000000011E0000-memory.dmp

      Filesize

      4.8MB

    • memory/4076-109-0x00007FFAC5880000-0x00007FFAC626C000-memory.dmp

      Filesize

      9.9MB

    • memory/4076-100-0x000002AB4DC60000-0x000002AB4DC6A000-memory.dmp

      Filesize

      40KB

    • memory/4076-87-0x000002AB4E160000-0x000002AB4E172000-memory.dmp

      Filesize

      72KB

    • memory/4076-74-0x000002AB4DC40000-0x000002AB4DC50000-memory.dmp

      Filesize

      64KB

    • memory/4076-51-0x000002AB4E1A0000-0x000002AB4E216000-memory.dmp

      Filesize

      472KB

    • memory/4076-50-0x000002AB4DC40000-0x000002AB4DC50000-memory.dmp

      Filesize

      64KB

    • memory/4076-49-0x000002AB4DC40000-0x000002AB4DC50000-memory.dmp

      Filesize

      64KB

    • memory/4076-47-0x00007FFAC5880000-0x00007FFAC626C000-memory.dmp

      Filesize

      9.9MB

    • memory/4076-45-0x000002AB4DC80000-0x000002AB4DCA2000-memory.dmp

      Filesize

      136KB