Resubmissions

15/02/2025, 17:38

250215-v7s4wavqer 9

15/02/2025, 16:59

250215-vhpedsvlbs 10

15/02/2025, 16:37

250215-t447astqav 10

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20250211-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20250211-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    15/02/2025, 16:59

General

  • Target

    8ZSZQ_random.exe

  • Size

    1.8MB

  • MD5

    411303148c2c132ec3b30a97c1936cf9

  • SHA1

    9693f9e29924d1bbb1bf87f10707c74d1df7e996

  • SHA256

    dc9c553a3ff7574b1007f70a911f10ca22590a7661dfb84a25c5009d1b564fbb

  • SHA512

    f27dce51cbed73bb3f1b8fb977d3168f5778bab24b4c762f16333adfb9d93ce1b476a3277d994ee429781919385846c68c618c5d72b38ca6a7bc82f9c658dbdd

  • SSDEEP

    24576:5oplyMtRrcEVZQuiws76pon4/JaaT2cEMeUkt2BgHTczSS/yyvX6em4yWgw:5opPR5ZQuiws76p/iSiAllyyvdm4I

Malware Config

Extracted

Family

stealc

Botnet

reno

C2

http://185.215.113.115

Attributes
  • url_path

    /c4becf79229cb002.php

Extracted

Family

amadey

Version

4.42

Botnet

9c9aa5

C2

http://185.215.113.43

Attributes
  • install_dir

    abc3bc1985

  • install_file

    skotes.exe

  • strings_key

    8a35cf2ea38c2817dba29a4b5b25dcf0

  • url_paths

    /Zu7JuNko/index.php

rc4.plain

Signatures

  • Amadey

    Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

  • Amadey family
  • Stealc

    Stealc is an infostealer written in C++.

  • Stealc family
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 6 IoCs
  • Downloads MZ/PE file 3 IoCs
  • Checks BIOS information in registry 2 TTPs 12 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 7 IoCs
  • Identifies Wine through registry keys 2 TTPs 6 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8ZSZQ_random.exe
    "C:\Users\Admin\AppData\Local\Temp\8ZSZQ_random.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Downloads MZ/PE file
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2608
    • C:\Users\Admin\AppData\Local\Temp\13V13Y5H3VVVP0265R7.exe
      "C:\Users\Admin\AppData\Local\Temp\13V13Y5H3VVVP0265R7.exe"
      2⤵
      • 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
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:4652
    • C:\Users\Admin\AppData\Local\Temp\H8G4YEAG651N5OWG.exe
      "C:\Users\Admin\AppData\Local\Temp\H8G4YEAG651N5OWG.exe"
      2⤵
      • 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
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1216
      • C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
        "C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe"
        3⤵
        • Identifies VirtualBox via ACPI registry values (likely anti-VM)
        • Downloads MZ/PE file
        • Checks BIOS information in registry
        • Checks computer location settings
        • Executes dropped EXE
        • Identifies Wine through registry keys
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4720
        • C:\Users\Admin\AppData\Local\Temp\1014060001\bbb330fb1e.exe
          "C:\Users\Admin\AppData\Local\Temp\1014060001\bbb330fb1e.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:924
          • C:\Users\Admin\AppData\Local\Temp\1014060001\bbb330fb1e.exe
            "C:\Users\Admin\AppData\Local\Temp\1014060001\bbb330fb1e.exe"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            PID:4436
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 924 -s 824
            5⤵
            • Program crash
            PID:2868
  • C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
    "C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-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
    1⤵
    • System Location Discovery: System Language Discovery
    • System Network Configuration Discovery: Internet Connection Discovery
    PID:2956
  • C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
    "C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.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:1428
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 924 -ip 924
    1⤵
      PID:3604
    • C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.exe
      "C:\Users\Admin\AppData\Local\Temp\abc3bc1985\skotes.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:220

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\1014060001\bbb330fb1e.exe

      Filesize

      350KB

      MD5

      1a119b286d5616df4441a9c746c0214d

      SHA1

      c6f4ea62a0cfabe904b8800da19521f0d551af0a

      SHA256

      268ab7cd89f77eb147718766428f4ea5dd4e54af254fd9b8892e95a0c5d9597f

      SHA512

      491c6d617ced73a7458ad01354e201285cac660f750ea9ef16eb289eae39e778462139651751e606afca3d6b531b0ba5853d82f5af9fd49f119fa3d8f59ae5ee

    • C:\Users\Admin\AppData\Local\Temp\13V13Y5H3VVVP0265R7.exe

      Filesize

      1.7MB

      MD5

      d3e074bca12877821e2a4faaa7e24c1c

      SHA1

      a8657111112a69501c5272b1332f808df6003a0f

      SHA256

      5d7c92da666f854348665f2768b79343e6a93d84212f65e845721af04838b7b8

      SHA512

      0605ee1dcc030b01f95e8f72496082f1a3fd9019a7caba83124f80cc8d399268a25bea4e4c54c962d96cbd798b30549bc5be09b4eeb544ee6d6f1c2fc49ed1fd

    • C:\Users\Admin\AppData\Local\Temp\H8G4YEAG651N5OWG.exe

      Filesize

      2.1MB

      MD5

      569e59d6838517ef40ad5d42d5ffe3ab

      SHA1

      06e6b6e5fa09611b56aa56bc81173cfcbd138640

      SHA256

      772137b7c1ca4002181b9252143c9793c9f45c0935564a75d44fbc6d2aa33d30

      SHA512

      1ac54228ffa2a71de44dba4e68b24426db3c17a09140fd441be8be92c7f5758fc46bb7f0e9501019efce68e3a745eece7da4284c89d5dd039f4b3c0e5434b768

    • memory/220-74-0x0000000000D40000-0x0000000001202000-memory.dmp

      Filesize

      4.8MB

    • memory/924-63-0x00000000008B0000-0x0000000000910000-memory.dmp

      Filesize

      384KB

    • memory/924-64-0x00000000056E0000-0x0000000005C86000-memory.dmp

      Filesize

      5.6MB

    • memory/1216-35-0x00000000001A0000-0x0000000000662000-memory.dmp

      Filesize

      4.8MB

    • memory/1216-28-0x00000000001A0000-0x0000000000662000-memory.dmp

      Filesize

      4.8MB

    • memory/1428-37-0x0000000000D40000-0x0000000001202000-memory.dmp

      Filesize

      4.8MB

    • memory/1428-39-0x0000000000D40000-0x0000000001202000-memory.dmp

      Filesize

      4.8MB

    • memory/2608-19-0x0000000000D90000-0x000000000122F000-memory.dmp

      Filesize

      4.6MB

    • memory/2608-0-0x0000000000D90000-0x000000000122F000-memory.dmp

      Filesize

      4.6MB

    • memory/2608-12-0x0000000000D90000-0x000000000122F000-memory.dmp

      Filesize

      4.6MB

    • memory/2608-1-0x00000000772C5000-0x00000000772C7000-memory.dmp

      Filesize

      8KB

    • memory/2608-29-0x0000000000D90000-0x000000000122F000-memory.dmp

      Filesize

      4.6MB

    • memory/2608-10-0x0000000000D90000-0x000000000122F000-memory.dmp

      Filesize

      4.6MB

    • memory/2608-9-0x0000000000D90000-0x000000000122F000-memory.dmp

      Filesize

      4.6MB

    • memory/2608-11-0x0000000000D90000-0x000000000122F000-memory.dmp

      Filesize

      4.6MB

    • memory/2608-2-0x0000000000D91000-0x0000000000DBC000-memory.dmp

      Filesize

      172KB

    • memory/2608-8-0x0000000000D90000-0x000000000122F000-memory.dmp

      Filesize

      4.6MB

    • memory/2608-3-0x0000000000D90000-0x000000000122F000-memory.dmp

      Filesize

      4.6MB

    • memory/2608-7-0x0000000000D90000-0x000000000122F000-memory.dmp

      Filesize

      4.6MB

    • memory/2608-5-0x0000000000D90000-0x000000000122F000-memory.dmp

      Filesize

      4.6MB

    • memory/2608-6-0x0000000000D90000-0x000000000122F000-memory.dmp

      Filesize

      4.6MB

    • memory/2608-4-0x0000000000D90000-0x000000000122F000-memory.dmp

      Filesize

      4.6MB

    • memory/4436-66-0x0000000000400000-0x000000000045F000-memory.dmp

      Filesize

      380KB

    • memory/4436-68-0x0000000000400000-0x000000000045F000-memory.dmp

      Filesize

      380KB

    • memory/4652-17-0x0000000000740000-0x0000000000DCB000-memory.dmp

      Filesize

      6.5MB

    • memory/4652-23-0x0000000000740000-0x0000000000DCB000-memory.dmp

      Filesize

      6.5MB

    • memory/4652-22-0x0000000000740000-0x0000000000DCB000-memory.dmp

      Filesize

      6.5MB

    • memory/4652-21-0x0000000000740000-0x0000000000DCB000-memory.dmp

      Filesize

      6.5MB

    • memory/4652-20-0x0000000000740000-0x0000000000DCB000-memory.dmp

      Filesize

      6.5MB

    • memory/4720-69-0x0000000000D40000-0x0000000001202000-memory.dmp

      Filesize

      4.8MB

    • memory/4720-41-0x0000000000D40000-0x0000000001202000-memory.dmp

      Filesize

      4.8MB

    • memory/4720-40-0x0000000000D40000-0x0000000001202000-memory.dmp

      Filesize

      4.8MB

    • memory/4720-70-0x0000000000D40000-0x0000000001202000-memory.dmp

      Filesize

      4.8MB

    • memory/4720-71-0x0000000000D40000-0x0000000001202000-memory.dmp

      Filesize

      4.8MB

    • memory/4720-72-0x0000000000D40000-0x0000000001202000-memory.dmp

      Filesize

      4.8MB

    • memory/4720-33-0x0000000000D40000-0x0000000001202000-memory.dmp

      Filesize

      4.8MB

    • memory/4720-75-0x0000000000D40000-0x0000000001202000-memory.dmp

      Filesize

      4.8MB

    • memory/4720-76-0x0000000000D40000-0x0000000001202000-memory.dmp

      Filesize

      4.8MB

    • memory/4720-77-0x0000000000D40000-0x0000000001202000-memory.dmp

      Filesize

      4.8MB