Analysis

  • max time kernel
    127s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-04-2024 01:21

General

  • Target

    6536fadb04a1bb17334c71e0052b3c228756982a05f47b0f7c84d11d65f3b371.exe

  • Size

    3.0MB

  • MD5

    aa560b36e63ca3b1b4978984754e5ceb

  • SHA1

    83b34966a9af688d42b8cd648952a1e582a1ba34

  • SHA256

    6536fadb04a1bb17334c71e0052b3c228756982a05f47b0f7c84d11d65f3b371

  • SHA512

    5bdf091dd7d434682ee3f8e6b04bef1b79ddf807c4036bd70d83ebeff04ec93b6fd7b6e02032da99f322fe803ee809480ae492314830fcc07e51a6cb97fa9741

  • SSDEEP

    49152:ZGX87p1EZKMnkmWg8LX5prviYDyKS5AypQxbRQAo9JnCmpKu/nRFfjI7L0qb:ZLHTPJg8z1mKnypSbRxo9JCm

Malware Config

Extracted

Family

orcus

Botnet

Новый тег

C2

31.44.184.52:10996

Mutex

sudo_t2l2oml1k2zm4hn99ibwa74761uvpduo

Attributes
  • autostart_method

    Disable

  • enable_keylogger

    false

  • install_path

    %appdata%\wordpresstrack\lowsecure.exe

  • reconnect_delay

    10000

  • registry_keyname

    Sudik

  • taskscheduler_taskname

    sudik

  • watchdog_path

    AppData\aga.exe

Signatures

  • Orcus

    Orcus is a Remote Access Trojan that is being sold on underground forums.

  • Orcus main payload 1 IoCs
  • Orcurs Rat Executable 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 4 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6536fadb04a1bb17334c71e0052b3c228756982a05f47b0f7c84d11d65f3b371.exe
    "C:\Users\Admin\AppData\Local\Temp\6536fadb04a1bb17334c71e0052b3c228756982a05f47b0f7c84d11d65f3b371.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3196
    • C:\Users\Admin\AppData\Roaming\wordpresstrack\lowsecure.exe
      "C:\Users\Admin\AppData\Roaming\wordpresstrack\lowsecure.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4856
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4572
  • C:\Users\Admin\AppData\Roaming\wordpresstrack\lowsecure.exe
    C:\Users\Admin\AppData\Roaming\wordpresstrack\lowsecure.exe
    1⤵
    • Executes dropped EXE
    PID:2472
  • C:\Users\Admin\AppData\Roaming\wordpresstrack\lowsecure.exe
    C:\Users\Admin\AppData\Roaming\wordpresstrack\lowsecure.exe
    1⤵
    • Executes dropped EXE
    PID:1740
  • C:\Users\Admin\AppData\Roaming\wordpresstrack\lowsecure.exe
    C:\Users\Admin\AppData\Roaming\wordpresstrack\lowsecure.exe
    1⤵
    • Executes dropped EXE
    PID:2596

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\lowsecure.exe.log

    Filesize

    1KB

    MD5

    663b8d5469caa4489d463aa9bc18124f

    SHA1

    e57123a7d969115853ea631a3b33826335025d28

    SHA256

    7b4fa505452f0b8ac74bb31f5a03b13342836318018fb18d224ae2ff11b1a7e8

    SHA512

    45e373295125a629fcc0b19609608d969c9106514918bfac5d6b8e340e407434577b825741b8fa6a043c8f3f5c1a030ba8857da5f4e8ef15a551ce3c5fe03b55

  • C:\Users\Admin\AppData\Roaming\wordpresstrack\lowsecure.exe

    Filesize

    3.0MB

    MD5

    aa560b36e63ca3b1b4978984754e5ceb

    SHA1

    83b34966a9af688d42b8cd648952a1e582a1ba34

    SHA256

    6536fadb04a1bb17334c71e0052b3c228756982a05f47b0f7c84d11d65f3b371

    SHA512

    5bdf091dd7d434682ee3f8e6b04bef1b79ddf807c4036bd70d83ebeff04ec93b6fd7b6e02032da99f322fe803ee809480ae492314830fcc07e51a6cb97fa9741

  • C:\Users\Admin\AppData\Roaming\wordpresstrack\lowsecure.exe.config

    Filesize

    357B

    MD5

    a2b76cea3a59fa9af5ea21ff68139c98

    SHA1

    35d76475e6a54c168f536e30206578babff58274

    SHA256

    f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

    SHA512

    b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

  • memory/1740-53-0x00000000746E0000-0x0000000074E90000-memory.dmp

    Filesize

    7.7MB

  • memory/1740-54-0x0000000005530000-0x0000000005540000-memory.dmp

    Filesize

    64KB

  • memory/1740-55-0x00000000746E0000-0x0000000074E90000-memory.dmp

    Filesize

    7.7MB

  • memory/2472-42-0x00000000746E0000-0x0000000074E90000-memory.dmp

    Filesize

    7.7MB

  • memory/2472-34-0x0000000004D20000-0x0000000004D30000-memory.dmp

    Filesize

    64KB

  • memory/2472-30-0x00000000746E0000-0x0000000074E90000-memory.dmp

    Filesize

    7.7MB

  • memory/2596-59-0x00000000746E0000-0x0000000074E90000-memory.dmp

    Filesize

    7.7MB

  • memory/2596-58-0x0000000005670000-0x0000000005680000-memory.dmp

    Filesize

    64KB

  • memory/2596-57-0x00000000746E0000-0x0000000074E90000-memory.dmp

    Filesize

    7.7MB

  • memory/3196-7-0x00000000057D0000-0x00000000057E2000-memory.dmp

    Filesize

    72KB

  • memory/3196-23-0x00000000746E0000-0x0000000074E90000-memory.dmp

    Filesize

    7.7MB

  • memory/3196-6-0x00000000059D0000-0x0000000005A62000-memory.dmp

    Filesize

    584KB

  • memory/3196-5-0x0000000005EE0000-0x0000000006484000-memory.dmp

    Filesize

    5.6MB

  • memory/3196-4-0x00000000057F0000-0x000000000584C000-memory.dmp

    Filesize

    368KB

  • memory/3196-2-0x0000000005600000-0x0000000005610000-memory.dmp

    Filesize

    64KB

  • memory/3196-3-0x0000000003090000-0x000000000309E000-memory.dmp

    Filesize

    56KB

  • memory/3196-1-0x0000000000900000-0x0000000000BFE000-memory.dmp

    Filesize

    3.0MB

  • memory/3196-0-0x00000000746E0000-0x0000000074E90000-memory.dmp

    Filesize

    7.7MB

  • memory/4572-49-0x0000000007470000-0x000000000747E000-memory.dmp

    Filesize

    56KB

  • memory/4572-35-0x0000000005C10000-0x0000000005C28000-memory.dmp

    Filesize

    96KB

  • memory/4572-36-0x00000000065B0000-0x00000000065C0000-memory.dmp

    Filesize

    64KB

  • memory/4572-37-0x00000000068D0000-0x00000000068DA000-memory.dmp

    Filesize

    40KB

  • memory/4572-45-0x00000000072E0000-0x000000000731C000-memory.dmp

    Filesize

    240KB

  • memory/4572-46-0x0000000007320000-0x000000000736C000-memory.dmp

    Filesize

    304KB

  • memory/4572-44-0x0000000007280000-0x0000000007292000-memory.dmp

    Filesize

    72KB

  • memory/4572-43-0x0000000007800000-0x0000000007E18000-memory.dmp

    Filesize

    6.1MB

  • memory/4572-47-0x00000000074B0000-0x00000000075BA000-memory.dmp

    Filesize

    1.0MB

  • memory/4572-40-0x0000000007170000-0x00000000071D6000-memory.dmp

    Filesize

    408KB

  • memory/4572-48-0x0000000007E20000-0x0000000007FE2000-memory.dmp

    Filesize

    1.8MB

  • memory/4572-50-0x00000000082E0000-0x0000000008330000-memory.dmp

    Filesize

    320KB

  • memory/4572-51-0x00000000746E0000-0x0000000074E90000-memory.dmp

    Filesize

    7.7MB

  • memory/4572-33-0x00000000746E0000-0x0000000074E90000-memory.dmp

    Filesize

    7.7MB

  • memory/4856-32-0x00000000746E0000-0x0000000074E90000-memory.dmp

    Filesize

    7.7MB

  • memory/4856-28-0x00000000061C0000-0x000000000625C000-memory.dmp

    Filesize

    624KB

  • memory/4856-26-0x0000000005860000-0x00000000058AE000-memory.dmp

    Filesize

    312KB

  • memory/4856-25-0x0000000005130000-0x0000000005140000-memory.dmp

    Filesize

    64KB

  • memory/4856-24-0x00000000746E0000-0x0000000074E90000-memory.dmp

    Filesize

    7.7MB