Analysis

  • max time kernel
    127s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2024 01:20

General

  • Target

    a72902946efe282c0dd20cb5625dba7d802afcc71459d36c638209ae771daf1f.exe

  • Size

    3.0MB

  • MD5

    435e6df107884be845f20cf93d5edf37

  • SHA1

    1ee749db7fcf2699ed0445e6021327cef5803495

  • SHA256

    a72902946efe282c0dd20cb5625dba7d802afcc71459d36c638209ae771daf1f

  • SHA512

    4853b8e2547ce0c129525163f0d6d42f86c7d4cab13105f6138e52b19dc4cd3625133718daa78e30bfd08a6cc6bc71b2e6f3b6f542107aa881308db4b63eb473

  • SSDEEP

    49152:1P7p1EZKMnkmWg8LX5prviYDyKS5AypQxbRQAo9JnCmpiu/nRFfjI7L0qb8:1PHTPJg8z1mKnypSbRxo9JCm

Malware Config

Extracted

Family

orcus

Botnet

svchost

C2

31.44.184.52:10808

Mutex

explorer

Attributes
  • autostart_method

    Disable

  • enable_keylogger

    false

  • install_path

    %appdata%\externalflowerdb\discord.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
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\a72902946efe282c0dd20cb5625dba7d802afcc71459d36c638209ae771daf1f.exe
    "C:\Users\Admin\AppData\Local\Temp\a72902946efe282c0dd20cb5625dba7d802afcc71459d36c638209ae771daf1f.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1520
    • C:\Users\Admin\AppData\Roaming\externalflowerdb\discord.exe
      "C:\Users\Admin\AppData\Roaming\externalflowerdb\discord.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4080
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4584
  • C:\Users\Admin\AppData\Roaming\externalflowerdb\discord.exe
    C:\Users\Admin\AppData\Roaming\externalflowerdb\discord.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4600
  • C:\Users\Admin\AppData\Roaming\externalflowerdb\discord.exe
    C:\Users\Admin\AppData\Roaming\externalflowerdb\discord.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:112
  • C:\Users\Admin\AppData\Roaming\externalflowerdb\discord.exe
    C:\Users\Admin\AppData\Roaming\externalflowerdb\discord.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4020

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    1KB

    MD5

    663b8d5469caa4489d463aa9bc18124f

    SHA1

    e57123a7d969115853ea631a3b33826335025d28

    SHA256

    7b4fa505452f0b8ac74bb31f5a03b13342836318018fb18d224ae2ff11b1a7e8

    SHA512

    45e373295125a629fcc0b19609608d969c9106514918bfac5d6b8e340e407434577b825741b8fa6a043c8f3f5c1a030ba8857da5f4e8ef15a551ce3c5fe03b55

  • C:\Users\Admin\AppData\Roaming\externalflowerdb\discord.exe

    Filesize

    3.0MB

    MD5

    435e6df107884be845f20cf93d5edf37

    SHA1

    1ee749db7fcf2699ed0445e6021327cef5803495

    SHA256

    a72902946efe282c0dd20cb5625dba7d802afcc71459d36c638209ae771daf1f

    SHA512

    4853b8e2547ce0c129525163f0d6d42f86c7d4cab13105f6138e52b19dc4cd3625133718daa78e30bfd08a6cc6bc71b2e6f3b6f542107aa881308db4b63eb473

  • C:\Users\Admin\AppData\Roaming\externalflowerdb\discord.exe.config

    Filesize

    357B

    MD5

    a2b76cea3a59fa9af5ea21ff68139c98

    SHA1

    35d76475e6a54c168f536e30206578babff58274

    SHA256

    f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

    SHA512

    b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

  • memory/1520-0-0x00000000748BE000-0x00000000748BF000-memory.dmp

    Filesize

    4KB

  • memory/1520-1-0x0000000000330000-0x000000000062E000-memory.dmp

    Filesize

    3.0MB

  • memory/1520-2-0x0000000001160000-0x000000000116E000-memory.dmp

    Filesize

    56KB

  • memory/1520-3-0x00000000748B0000-0x0000000075060000-memory.dmp

    Filesize

    7.7MB

  • memory/1520-4-0x0000000005110000-0x000000000516C000-memory.dmp

    Filesize

    368KB

  • memory/1520-5-0x00000000059D0000-0x0000000005F74000-memory.dmp

    Filesize

    5.6MB

  • memory/1520-6-0x0000000005280000-0x0000000005312000-memory.dmp

    Filesize

    584KB

  • memory/1520-7-0x0000000005870000-0x0000000005882000-memory.dmp

    Filesize

    72KB

  • memory/1520-24-0x00000000748B0000-0x0000000075060000-memory.dmp

    Filesize

    7.7MB

  • memory/4080-32-0x00000000748B0000-0x0000000075060000-memory.dmp

    Filesize

    7.7MB

  • memory/4080-23-0x00000000748B0000-0x0000000075060000-memory.dmp

    Filesize

    7.7MB

  • memory/4080-27-0x0000000006A10000-0x0000000006AAC000-memory.dmp

    Filesize

    624KB

  • memory/4080-26-0x00000000060B0000-0x00000000060FE000-memory.dmp

    Filesize

    312KB

  • memory/4080-25-0x00000000748B0000-0x0000000075060000-memory.dmp

    Filesize

    7.7MB

  • memory/4584-37-0x0000000006830000-0x000000000683A000-memory.dmp

    Filesize

    40KB

  • memory/4584-42-0x00000000071E0000-0x00000000071F2000-memory.dmp

    Filesize

    72KB

  • memory/4584-35-0x0000000005B80000-0x0000000005B98000-memory.dmp

    Filesize

    96KB

  • memory/4584-36-0x0000000005BA0000-0x0000000005BB0000-memory.dmp

    Filesize

    64KB

  • memory/4584-31-0x00000000748B0000-0x0000000075060000-memory.dmp

    Filesize

    7.7MB

  • memory/4584-40-0x00000000070D0000-0x0000000007136000-memory.dmp

    Filesize

    408KB

  • memory/4584-41-0x0000000007760000-0x0000000007D78000-memory.dmp

    Filesize

    6.1MB

  • memory/4584-34-0x00000000053E0000-0x00000000053F2000-memory.dmp

    Filesize

    72KB

  • memory/4584-43-0x0000000007240000-0x000000000727C000-memory.dmp

    Filesize

    240KB

  • memory/4584-44-0x0000000007280000-0x00000000072CC000-memory.dmp

    Filesize

    304KB

  • memory/4584-45-0x0000000007410000-0x000000000751A000-memory.dmp

    Filesize

    1.0MB

  • memory/4584-46-0x0000000007D80000-0x0000000007F42000-memory.dmp

    Filesize

    1.8MB

  • memory/4584-47-0x0000000007400000-0x000000000740E000-memory.dmp

    Filesize

    56KB

  • memory/4584-48-0x0000000008240000-0x0000000008290000-memory.dmp

    Filesize

    320KB

  • memory/4584-49-0x00000000748B0000-0x0000000075060000-memory.dmp

    Filesize

    7.7MB