Resubmissions

27-03-2024 18:03

240327-wnc4zshf37 10

27-03-2024 18:03

240327-wm7xzacg9s 3

26-03-2024 22:18

240326-18ekrsgh2x 10

Analysis

  • max time kernel
    81s
  • max time network
    86s
  • 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 18:03

General

  • Target

    bcdc4c99c5db0927f727006bca8affc303798825188bbf166e76c600a4015ab4.exe

  • Size

    1.8MB

  • MD5

    2d8a1f40b64bd8c8b08f5fd4a75f00af

  • SHA1

    629443666dae380d7ffe7eb2ac5dcfa37b3878e0

  • SHA256

    bcdc4c99c5db0927f727006bca8affc303798825188bbf166e76c600a4015ab4

  • SHA512

    1b52ee7f7a4640299591e3a34539ea8e1fe2c086e9261a0ba50b8f031e7a904b32500de60808ed97dc94c327b5cf6563b3cb27567791108d335ea70fcdb4d180

  • SSDEEP

    49152:xk6ZYm+57MNe1f5mjxkehKOlXy60CdBa37Li:x/ZnM1f50jhKOlptd07L

Score
10/10

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
  • 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.

  • 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).

  • Modifies registry class 13 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 9 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bcdc4c99c5db0927f727006bca8affc303798825188bbf166e76c600a4015ab4.exe
    "C:\Users\Admin\AppData\Local\Temp\bcdc4c99c5db0927f727006bca8affc303798825188bbf166e76c600a4015ab4.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:4624
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4592
    • C:\Windows\system32\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\ReadLock.sql
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:3588
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1028 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:5008
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:1496
      • 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
        PID:1956

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Defense Evasion

      Virtualization/Sandbox Evasion

      2
      T1497

      Discovery

      Query Registry

      3
      T1012

      Virtualization/Sandbox Evasion

      2
      T1497

      System Information Discovery

      2
      T1082

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        1.8MB

        MD5

        2d8a1f40b64bd8c8b08f5fd4a75f00af

        SHA1

        629443666dae380d7ffe7eb2ac5dcfa37b3878e0

        SHA256

        bcdc4c99c5db0927f727006bca8affc303798825188bbf166e76c600a4015ab4

        SHA512

        1b52ee7f7a4640299591e3a34539ea8e1fe2c086e9261a0ba50b8f031e7a904b32500de60808ed97dc94c327b5cf6563b3cb27567791108d335ea70fcdb4d180

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

        1.8MB

        MD5

        8dd90ae2ffc44f59b3df091c1dda9176

        SHA1

        c5c721de2c704fc883c59a471df882bfc08390ae

        SHA256

        8dbfbc04f355645064527a9f24f199b613d6ec8d2c5e1b4acddc0e3455b2e17a

        SHA512

        23bd6d0283abea8e6254b54f16360becff7ac3a013c76db4cc861bd7018b4376cd39019769783387d74451e7d6785681afa6c04fb2feaa9c69e861270bbeeee6

      • memory/1956-23-0x0000000004F30000-0x0000000004F31000-memory.dmp
        Filesize

        4KB

      • memory/1956-29-0x0000000004F70000-0x0000000004F71000-memory.dmp
        Filesize

        4KB

      • memory/1956-26-0x0000000004EF0000-0x0000000004EF1000-memory.dmp
        Filesize

        4KB

      • memory/1956-27-0x0000000004F00000-0x0000000004F01000-memory.dmp
        Filesize

        4KB

      • memory/1956-28-0x0000000004F80000-0x0000000004F81000-memory.dmp
        Filesize

        4KB

      • memory/1956-25-0x0000000004F50000-0x0000000004F51000-memory.dmp
        Filesize

        4KB

      • memory/1956-24-0x0000000004F10000-0x0000000004F11000-memory.dmp
        Filesize

        4KB

      • memory/1956-22-0x0000000004F20000-0x0000000004F21000-memory.dmp
        Filesize

        4KB

      • memory/1956-21-0x0000000000B10000-0x0000000000FBD000-memory.dmp
        Filesize

        4.7MB

      • memory/1956-20-0x0000000000B10000-0x0000000000FBD000-memory.dmp
        Filesize

        4.7MB

      • memory/1956-30-0x0000000000B10000-0x0000000000FBD000-memory.dmp
        Filesize

        4.7MB

      • memory/4624-7-0x0000000005960000-0x0000000005961000-memory.dmp
        Filesize

        4KB

      • memory/4624-6-0x00000000059D0000-0x00000000059D1000-memory.dmp
        Filesize

        4KB

      • memory/4624-13-0x0000000000F30000-0x00000000013DD000-memory.dmp
        Filesize

        4.7MB

      • memory/4624-11-0x00000000059E0000-0x00000000059E1000-memory.dmp
        Filesize

        4KB

      • memory/4624-10-0x00000000059F0000-0x00000000059F1000-memory.dmp
        Filesize

        4KB

      • memory/4624-9-0x00000000059C0000-0x00000000059C1000-memory.dmp
        Filesize

        4KB

      • memory/4624-8-0x0000000005970000-0x0000000005971000-memory.dmp
        Filesize

        4KB

      • memory/4624-17-0x0000000000F30000-0x00000000013DD000-memory.dmp
        Filesize

        4.7MB

      • memory/4624-0-0x0000000000F30000-0x00000000013DD000-memory.dmp
        Filesize

        4.7MB

      • memory/4624-5-0x0000000005980000-0x0000000005981000-memory.dmp
        Filesize

        4KB

      • memory/4624-4-0x00000000059A0000-0x00000000059A1000-memory.dmp
        Filesize

        4KB

      • memory/4624-3-0x0000000005990000-0x0000000005991000-memory.dmp
        Filesize

        4KB

      • memory/4624-2-0x0000000000F30000-0x00000000013DD000-memory.dmp
        Filesize

        4.7MB

      • memory/4624-1-0x0000000077704000-0x0000000077706000-memory.dmp
        Filesize

        8KB