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Analysis

  • max time kernel
    131s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/01/2024, 01:19

General

  • Target

    5a7e4eb21012621383ec2a556e63202d42334c02da350c1eaa7af7d1c9088691.exe

  • Size

    3.0MB

  • MD5

    f210202bfa18db14c6ec346037e4cb64

  • SHA1

    be0a794a92753d152eebf2c9478da14156d1084f

  • SHA256

    5a7e4eb21012621383ec2a556e63202d42334c02da350c1eaa7af7d1c9088691

  • SHA512

    a6b5d64679a0a52a1357ae23890ee324788c2fedfcb03059f9d083ae423df060a93983053a277a3f577b296821754596cd0b876d160a309b888569cde738a49d

  • SSDEEP

    49152:Y1HS7p1EZKMnkmWg8LX5prviYDyKS5AypQxbRQAo9JnCmpbu/nRFfjI7L0qb:YUHTPJg8z1mKnypSbRxo9JCm

Malware Config

Extracted

Family

orcus

Botnet

Новый тег

C2

31.44.184.52:23303

Mutex

sudo_ofcp37vv54izlwrf1h65z8l5gj4mqi71

Attributes
  • autostart_method

    Disable

  • enable_keylogger

    false

  • install_path

    %appdata%\toprocessorcdn\local_.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 4 IoCs
  • Orcurs Rat Executable 5 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 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\5a7e4eb21012621383ec2a556e63202d42334c02da350c1eaa7af7d1c9088691.exe
    "C:\Users\Admin\AppData\Local\Temp\5a7e4eb21012621383ec2a556e63202d42334c02da350c1eaa7af7d1c9088691.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3328
    • C:\Users\Admin\AppData\Roaming\toprocessorcdn\local_.exe
      "C:\Users\Admin\AppData\Roaming\toprocessorcdn\local_.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1848
      • 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:3760
  • C:\Users\Admin\AppData\Roaming\toprocessorcdn\local_.exe
    C:\Users\Admin\AppData\Roaming\toprocessorcdn\local_.exe
    1⤵
    • Executes dropped EXE
    PID:3928
  • C:\Users\Admin\AppData\Roaming\toprocessorcdn\local_.exe
    C:\Users\Admin\AppData\Roaming\toprocessorcdn\local_.exe
    1⤵
    • Executes dropped EXE
    PID:4244
  • C:\Users\Admin\AppData\Roaming\toprocessorcdn\local_.exe
    C:\Users\Admin\AppData\Roaming\toprocessorcdn\local_.exe
    1⤵
    • Executes dropped EXE
    PID:4796

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    1KB

    MD5

    663b8d5469caa4489d463aa9bc18124f

    SHA1

    e57123a7d969115853ea631a3b33826335025d28

    SHA256

    7b4fa505452f0b8ac74bb31f5a03b13342836318018fb18d224ae2ff11b1a7e8

    SHA512

    45e373295125a629fcc0b19609608d969c9106514918bfac5d6b8e340e407434577b825741b8fa6a043c8f3f5c1a030ba8857da5f4e8ef15a551ce3c5fe03b55

  • C:\Users\Admin\AppData\Roaming\toprocessorcdn\local_.exe

    Filesize

    3.0MB

    MD5

    f210202bfa18db14c6ec346037e4cb64

    SHA1

    be0a794a92753d152eebf2c9478da14156d1084f

    SHA256

    5a7e4eb21012621383ec2a556e63202d42334c02da350c1eaa7af7d1c9088691

    SHA512

    a6b5d64679a0a52a1357ae23890ee324788c2fedfcb03059f9d083ae423df060a93983053a277a3f577b296821754596cd0b876d160a309b888569cde738a49d

  • C:\Users\Admin\AppData\Roaming\toprocessorcdn\local_.exe

    Filesize

    1.9MB

    MD5

    225315bf7ee6c35099a12247cb0ca27d

    SHA1

    8c6835006c901e0e02b49dbb0d810c70c1d47d7f

    SHA256

    32a71e387f660534e4c4ee90ecd04ac691463d987af3f5739bc01851a8d26a69

    SHA512

    40f86119a0c416142fcc6815a30530d73a762144c2a6138e859c0f7377864437dc3602abf8ac021e55af7f262dc76598e3dd5cadd56710af0f7ed2ab243fd2af

  • C:\Users\Admin\AppData\Roaming\toprocessorcdn\local_.exe

    Filesize

    1.9MB

    MD5

    0083007cda01a473f4a165b78ee383f2

    SHA1

    302037c853ee70693c840ca38e85a8b7587e0f22

    SHA256

    3e15dd6cdfb9d8e944b3e00f40495368689ea0e06825d4daef209d112f304456

    SHA512

    f68498e7bdb6145913e186907c14cde635cbe6916fb6927aa4631679e5b6b7e51a644745754f4f90c15a6f56b32bd02da7e7279b91f88fdad29e07d96970fd1d

  • C:\Users\Admin\AppData\Roaming\toprocessorcdn\local_.exe

    Filesize

    1.0MB

    MD5

    ff8679fdafc86d590fcd5fd1a50bfb2a

    SHA1

    b618cbe62c66251d8c29ba2849c97574a54dcbec

    SHA256

    96b0e0d22ec247573920cc3457a1dceb63a13802f7f558f45f25a036caf72d22

    SHA512

    1b0f9cbf1f75165af109aff0094a12ed21f0808fc1a7c06c6595c892aac345d64f08362a8e274f38edc636d4af64d1dfae3656d9a062f51f0f7d732464e92fbb

  • C:\Users\Admin\AppData\Roaming\toprocessorcdn\local_.exe.config

    Filesize

    357B

    MD5

    a2b76cea3a59fa9af5ea21ff68139c98

    SHA1

    35d76475e6a54c168f536e30206578babff58274

    SHA256

    f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

    SHA512

    b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

  • memory/1848-26-0x0000000005510000-0x000000000555E000-memory.dmp

    Filesize

    312KB

  • memory/1848-23-0x0000000074CB0000-0x0000000075460000-memory.dmp

    Filesize

    7.7MB

  • memory/1848-32-0x0000000074CB0000-0x0000000075460000-memory.dmp

    Filesize

    7.7MB

  • memory/1848-28-0x0000000005E80000-0x0000000005F1C000-memory.dmp

    Filesize

    624KB

  • memory/1848-25-0x0000000004D00000-0x0000000004D10000-memory.dmp

    Filesize

    64KB

  • memory/3328-24-0x0000000074CB0000-0x0000000075460000-memory.dmp

    Filesize

    7.7MB

  • memory/3328-3-0x0000000005AA0000-0x0000000005AAE000-memory.dmp

    Filesize

    56KB

  • memory/3328-7-0x0000000005D90000-0x0000000005DA2000-memory.dmp

    Filesize

    72KB

  • memory/3328-4-0x0000000005DB0000-0x0000000005E0C000-memory.dmp

    Filesize

    368KB

  • memory/3328-2-0x0000000005AF0000-0x0000000005B00000-memory.dmp

    Filesize

    64KB

  • memory/3328-0-0x0000000074CB0000-0x0000000075460000-memory.dmp

    Filesize

    7.7MB

  • memory/3328-5-0x00000000064A0000-0x0000000006A44000-memory.dmp

    Filesize

    5.6MB

  • memory/3328-1-0x0000000000EC0000-0x00000000011BE000-memory.dmp

    Filesize

    3.0MB

  • memory/3328-6-0x0000000005F90000-0x0000000006022000-memory.dmp

    Filesize

    584KB

  • memory/3760-34-0x00000000053D0000-0x00000000053E0000-memory.dmp

    Filesize

    64KB

  • memory/3760-48-0x0000000007520000-0x000000000762A000-memory.dmp

    Filesize

    1.0MB

  • memory/3760-53-0x00000000053D0000-0x00000000053E0000-memory.dmp

    Filesize

    64KB

  • memory/3760-52-0x0000000074CB0000-0x0000000075460000-memory.dmp

    Filesize

    7.7MB

  • memory/3760-37-0x0000000005C60000-0x0000000005C78000-memory.dmp

    Filesize

    96KB

  • memory/3760-38-0x0000000005C90000-0x0000000005CA0000-memory.dmp

    Filesize

    64KB

  • memory/3760-39-0x0000000006920000-0x000000000692A000-memory.dmp

    Filesize

    40KB

  • memory/3760-42-0x00000000071C0000-0x0000000007226000-memory.dmp

    Filesize

    408KB

  • memory/3760-43-0x0000000007850000-0x0000000007E68000-memory.dmp

    Filesize

    6.1MB

  • memory/3760-44-0x00000000072D0000-0x00000000072E2000-memory.dmp

    Filesize

    72KB

  • memory/3760-45-0x0000000007330000-0x000000000736C000-memory.dmp

    Filesize

    240KB

  • memory/3760-46-0x0000000007370000-0x00000000073BC000-memory.dmp

    Filesize

    304KB

  • memory/3760-51-0x0000000008330000-0x0000000008380000-memory.dmp

    Filesize

    320KB

  • memory/3760-33-0x0000000074CB0000-0x0000000075460000-memory.dmp

    Filesize

    7.7MB

  • memory/3760-49-0x0000000007E70000-0x0000000008032000-memory.dmp

    Filesize

    1.8MB

  • memory/3760-50-0x0000000007670000-0x000000000767E000-memory.dmp

    Filesize

    56KB

  • memory/3928-47-0x0000000074CB0000-0x0000000075460000-memory.dmp

    Filesize

    7.7MB

  • memory/3928-36-0x00000000056F0000-0x0000000005700000-memory.dmp

    Filesize

    64KB

  • memory/3928-29-0x0000000074CB0000-0x0000000075460000-memory.dmp

    Filesize

    7.7MB

  • memory/4244-55-0x0000000074CB0000-0x0000000075460000-memory.dmp

    Filesize

    7.7MB

  • memory/4244-56-0x0000000004DA0000-0x0000000004DB0000-memory.dmp

    Filesize

    64KB

  • memory/4244-57-0x0000000074CB0000-0x0000000075460000-memory.dmp

    Filesize

    7.7MB

  • memory/4796-59-0x0000000074CB0000-0x0000000075460000-memory.dmp

    Filesize

    7.7MB

  • memory/4796-60-0x00000000057B0000-0x00000000057C0000-memory.dmp

    Filesize

    64KB

  • memory/4796-61-0x0000000074CB0000-0x0000000075460000-memory.dmp

    Filesize

    7.7MB