Analysis

  • max time kernel
    127s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-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 9 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a72902946efe282c0dd20cb5625dba7d802afcc71459d36c638209ae771daf1f.exe
    "C:\Users\Admin\AppData\Local\Temp\a72902946efe282c0dd20cb5625dba7d802afcc71459d36c638209ae771daf1f.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1700
    • 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:2184
      • 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
        PID:2348
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {FA074824-7E32-4C06-9517-7F8BCB4517BB} S-1-5-21-2039016743-699959520-214465309-1000:PIDEURYY\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2636
    • 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:2604
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:332
    • C:\Users\Admin\AppData\Roaming\externalflowerdb\discord.exe
      C:\Users\Admin\AppData\Roaming\externalflowerdb\discord.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2176
    • C:\Users\Admin\AppData\Roaming\externalflowerdb\discord.exe
      C:\Users\Admin\AppData\Roaming\externalflowerdb\discord.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2000

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab5F90.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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

    Filesize

    357B

    MD5

    a2b76cea3a59fa9af5ea21ff68139c98

    SHA1

    35d76475e6a54c168f536e30206578babff58274

    SHA256

    f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

    SHA512

    b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

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

    Filesize

    3.0MB

    MD5

    435e6df107884be845f20cf93d5edf37

    SHA1

    1ee749db7fcf2699ed0445e6021327cef5803495

    SHA256

    a72902946efe282c0dd20cb5625dba7d802afcc71459d36c638209ae771daf1f

    SHA512

    4853b8e2547ce0c129525163f0d6d42f86c7d4cab13105f6138e52b19dc4cd3625133718daa78e30bfd08a6cc6bc71b2e6f3b6f542107aa881308db4b63eb473

  • memory/332-67-0x0000000004780000-0x0000000004782000-memory.dmp

    Filesize

    8KB

  • memory/332-44-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/332-48-0x0000000000D80000-0x0000000000D98000-memory.dmp

    Filesize

    96KB

  • memory/332-49-0x0000000000EC0000-0x0000000000ED0000-memory.dmp

    Filesize

    64KB

  • memory/332-66-0x00000000045E0000-0x00000000045EE000-memory.dmp

    Filesize

    56KB

  • memory/1700-5-0x0000000000520000-0x0000000000532000-memory.dmp

    Filesize

    72KB

  • memory/1700-16-0x0000000074410000-0x0000000074AFE000-memory.dmp

    Filesize

    6.9MB

  • memory/1700-0-0x000000007441E000-0x000000007441F000-memory.dmp

    Filesize

    4KB

  • memory/1700-4-0x0000000000CD0000-0x0000000000D2C000-memory.dmp

    Filesize

    368KB

  • memory/1700-3-0x0000000074410000-0x0000000074AFE000-memory.dmp

    Filesize

    6.9MB

  • memory/1700-2-0x0000000000230000-0x000000000023E000-memory.dmp

    Filesize

    56KB

  • memory/1700-1-0x0000000001030000-0x000000000132E000-memory.dmp

    Filesize

    3.0MB

  • memory/2176-69-0x0000000000E80000-0x000000000117E000-memory.dmp

    Filesize

    3.0MB

  • memory/2184-17-0x00000000008E0000-0x0000000000BDE000-memory.dmp

    Filesize

    3.0MB

  • memory/2184-19-0x0000000000440000-0x0000000000452000-memory.dmp

    Filesize

    72KB

  • memory/2184-20-0x0000000004690000-0x00000000046DE000-memory.dmp

    Filesize

    312KB

  • memory/2184-18-0x0000000074410000-0x0000000074AFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2184-35-0x0000000074410000-0x0000000074AFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2348-28-0x0000000000400000-0x00000000006FE000-memory.dmp

    Filesize

    3.0MB

  • memory/2348-24-0x0000000000400000-0x00000000006FE000-memory.dmp

    Filesize

    3.0MB

  • memory/2348-26-0x0000000000400000-0x00000000006FE000-memory.dmp

    Filesize

    3.0MB

  • memory/2348-30-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2348-31-0x0000000000400000-0x00000000006FE000-memory.dmp

    Filesize

    3.0MB

  • memory/2348-32-0x0000000000400000-0x00000000006FE000-memory.dmp

    Filesize

    3.0MB

  • memory/2348-33-0x0000000000400000-0x00000000006FE000-memory.dmp

    Filesize

    3.0MB

  • memory/2348-22-0x0000000000400000-0x00000000006FE000-memory.dmp

    Filesize

    3.0MB

  • memory/2604-34-0x00000000004E0000-0x00000000004F2000-memory.dmp

    Filesize

    72KB