Analysis

  • max time kernel
    127s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-12-2024 01:13

General

  • Target

    cc62f528321a982a0a4925b02fab1fc14047242df2cde9274fc447606e4e8924.exe

  • Size

    3.0MB

  • MD5

    92e8237b684a86a17b61183af6588b05

  • SHA1

    dfb87ecc85b2bf81119cde5f81e3e3d71e6158fc

  • SHA256

    cc62f528321a982a0a4925b02fab1fc14047242df2cde9274fc447606e4e8924

  • SHA512

    c6824826d496f1ba9057f6aeb3e0c30cec3dc5da6889a3d4de1f1b1d19be6a9aa50c4cbe73e159411b6eb899a704e20a3b7dce3f6beffc5a93e85a820d373b69

  • SSDEEP

    49152:Cs7p1EZKMnkmWg8LX5prviYDyKS5AypQxbRQAo9JnCmpau/nRFfjI7L0qb:CsHTPJg8z1mKnypSbRxo9JCm

Malware Config

Extracted

Family

orcus

Botnet

meow

C2

31.44.184.52:62676

Mutex

sudo_vmbntgqy8knzac4v2g38gwmfpx80fxps

Attributes
  • autostart_method

    Disable

  • enable_keylogger

    false

  • install_path

    %appdata%\Bluestacks_nxt\Bluestacks.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 family
  • 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 3 TTPs

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

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cc62f528321a982a0a4925b02fab1fc14047242df2cde9274fc447606e4e8924.exe
    "C:\Users\Admin\AppData\Local\Temp\cc62f528321a982a0a4925b02fab1fc14047242df2cde9274fc447606e4e8924.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1596
    • C:\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe
      "C:\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2992
  • C:\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe
    C:\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:64
  • C:\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe
    C:\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:436
  • C:\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe
    C:\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:456

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    1KB

    MD5

    0672db2ef13237d5cb85075ff4915942

    SHA1

    ad8b4d3eb5e40791c47d48b22e273486f25f663f

    SHA256

    0a933408890369b5a178f9c30aa93d2c94f425650815cf8e8310de4e90a3b519

    SHA512

    84ad10ba5b695567d33a52f786405a5544aa49d8d23631ba9edf3afa877c5dbd81570d15bcf74bce5d9fb1afad2117d0a4ef913b396c0d923afefe615619c84b

  • C:\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe

    Filesize

    3.0MB

    MD5

    92e8237b684a86a17b61183af6588b05

    SHA1

    dfb87ecc85b2bf81119cde5f81e3e3d71e6158fc

    SHA256

    cc62f528321a982a0a4925b02fab1fc14047242df2cde9274fc447606e4e8924

    SHA512

    c6824826d496f1ba9057f6aeb3e0c30cec3dc5da6889a3d4de1f1b1d19be6a9aa50c4cbe73e159411b6eb899a704e20a3b7dce3f6beffc5a93e85a820d373b69

  • C:\Users\Admin\AppData\Roaming\Bluestacks_nxt\Bluestacks.exe.config

    Filesize

    357B

    MD5

    a2b76cea3a59fa9af5ea21ff68139c98

    SHA1

    35d76475e6a54c168f536e30206578babff58274

    SHA256

    f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

    SHA512

    b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

  • memory/64-31-0x0000000074720000-0x0000000074ED0000-memory.dmp

    Filesize

    7.7MB

  • memory/64-32-0x0000000074720000-0x0000000074ED0000-memory.dmp

    Filesize

    7.7MB

  • memory/64-46-0x0000000074720000-0x0000000074ED0000-memory.dmp

    Filesize

    7.7MB

  • memory/1596-7-0x00000000053A0000-0x00000000053B2000-memory.dmp

    Filesize

    72KB

  • memory/1596-0-0x000000007472E000-0x000000007472F000-memory.dmp

    Filesize

    4KB

  • memory/1596-3-0x0000000074720000-0x0000000074ED0000-memory.dmp

    Filesize

    7.7MB

  • memory/1596-2-0x0000000005040000-0x000000000504E000-memory.dmp

    Filesize

    56KB

  • memory/1596-4-0x0000000005090000-0x00000000050EC000-memory.dmp

    Filesize

    368KB

  • memory/1596-24-0x0000000074720000-0x0000000074ED0000-memory.dmp

    Filesize

    7.7MB

  • memory/1596-1-0x00000000003F0000-0x00000000006EE000-memory.dmp

    Filesize

    3.0MB

  • memory/1596-6-0x00000000054A0000-0x0000000005532000-memory.dmp

    Filesize

    584KB

  • memory/1596-5-0x0000000005A50000-0x0000000005FF4000-memory.dmp

    Filesize

    5.6MB

  • memory/2992-26-0x0000000005950000-0x000000000599E000-memory.dmp

    Filesize

    312KB

  • memory/2992-40-0x0000000007160000-0x000000000726A000-memory.dmp

    Filesize

    1.0MB

  • memory/2992-35-0x0000000006D60000-0x0000000006DC6000-memory.dmp

    Filesize

    408KB

  • memory/2992-25-0x0000000074720000-0x0000000074ED0000-memory.dmp

    Filesize

    7.7MB

  • memory/2992-23-0x0000000074720000-0x0000000074ED0000-memory.dmp

    Filesize

    7.7MB

  • memory/2992-36-0x00000000075A0000-0x0000000007BB8000-memory.dmp

    Filesize

    6.1MB

  • memory/2992-37-0x0000000006DF0000-0x0000000006E02000-memory.dmp

    Filesize

    72KB

  • memory/2992-38-0x0000000006FC0000-0x0000000006FFC000-memory.dmp

    Filesize

    240KB

  • memory/2992-39-0x0000000007000000-0x000000000704C000-memory.dmp

    Filesize

    304KB

  • memory/2992-29-0x00000000063C0000-0x00000000063D0000-memory.dmp

    Filesize

    64KB

  • memory/2992-41-0x0000000007BC0000-0x0000000007D82000-memory.dmp

    Filesize

    1.8MB

  • memory/2992-42-0x0000000007110000-0x000000000711E000-memory.dmp

    Filesize

    56KB

  • memory/2992-43-0x0000000007420000-0x00000000074BC000-memory.dmp

    Filesize

    624KB

  • memory/2992-44-0x0000000007550000-0x00000000075A0000-memory.dmp

    Filesize

    320KB

  • memory/2992-30-0x00000000065A0000-0x00000000065AA000-memory.dmp

    Filesize

    40KB

  • memory/2992-47-0x0000000074720000-0x0000000074ED0000-memory.dmp

    Filesize

    7.7MB

  • memory/2992-27-0x00000000060E0000-0x00000000060F8000-memory.dmp

    Filesize

    96KB