Analysis

  • max time kernel
    143s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-02-2024 02:54

General

  • Target

    7fa210b3f0cf860121a9c5cc44f92a330e04dbb7e89deb113c21687e9ae29775.exe

  • Size

    3.0MB

  • MD5

    f250b617f96b16057d1ca4a2539b7f99

  • SHA1

    ec6cd5efabe7dc98b62a8120d47d0417e0d335c6

  • SHA256

    7fa210b3f0cf860121a9c5cc44f92a330e04dbb7e89deb113c21687e9ae29775

  • SHA512

    2265b4557d5a22987e341ccc60b74efeac1c31403a9d9fb0143018450ce4e49c68f4c3af4c9ba77dc73f89bc8a2898790212065464f4370d44b70552d9d28816

  • SSDEEP

    49152:Y1HS7p1EZKMnkmWg8LX5prviYDyKS5AypQxbRQAo9JnCmpbu/nRFfjI7L0qb:YUHTPJg8z1mKnypSbRxo9JCm

Malware Config

Extracted

Family

orcus

Botnet

Новый тег

C2

31.44.184.52:58029

Mutex

aaax6va698fwvwnskxxhhiv7p2n6j5erbcly

Attributes
  • autostart_method

    Disable

  • enable_keylogger

    false

  • install_path

    %appdata%\wpprivatepacket\jsrequest.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 2 IoCs
  • Orcurs Rat Executable 3 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 5 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 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7fa210b3f0cf860121a9c5cc44f92a330e04dbb7e89deb113c21687e9ae29775.exe
    "C:\Users\Admin\AppData\Local\Temp\7fa210b3f0cf860121a9c5cc44f92a330e04dbb7e89deb113c21687e9ae29775.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2932
    • C:\Users\Admin\AppData\Roaming\wpprivatepacket\jsrequest.exe
      "C:\Users\Admin\AppData\Roaming\wpprivatepacket\jsrequest.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3840
      • 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:1756
  • C:\Users\Admin\AppData\Roaming\wpprivatepacket\jsrequest.exe
    C:\Users\Admin\AppData\Roaming\wpprivatepacket\jsrequest.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:180
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
      2⤵
        PID:3152
    • C:\Users\Admin\AppData\Roaming\wpprivatepacket\jsrequest.exe
      C:\Users\Admin\AppData\Roaming\wpprivatepacket\jsrequest.exe
      1⤵
      • Executes dropped EXE
      PID:1484
    • C:\Users\Admin\AppData\Roaming\wpprivatepacket\jsrequest.exe
      C:\Users\Admin\AppData\Roaming\wpprivatepacket\jsrequest.exe
      1⤵
      • Executes dropped EXE
      PID:2232
    • C:\Users\Admin\AppData\Roaming\wpprivatepacket\jsrequest.exe
      C:\Users\Admin\AppData\Roaming\wpprivatepacket\jsrequest.exe
      1⤵
      • Executes dropped EXE
      PID:1528

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      1KB

      MD5

      663b8d5469caa4489d463aa9bc18124f

      SHA1

      e57123a7d969115853ea631a3b33826335025d28

      SHA256

      7b4fa505452f0b8ac74bb31f5a03b13342836318018fb18d224ae2ff11b1a7e8

      SHA512

      45e373295125a629fcc0b19609608d969c9106514918bfac5d6b8e340e407434577b825741b8fa6a043c8f3f5c1a030ba8857da5f4e8ef15a551ce3c5fe03b55

    • C:\Users\Admin\AppData\Roaming\wpprivatepacket\jsrequest.exe

      Filesize

      3.0MB

      MD5

      f250b617f96b16057d1ca4a2539b7f99

      SHA1

      ec6cd5efabe7dc98b62a8120d47d0417e0d335c6

      SHA256

      7fa210b3f0cf860121a9c5cc44f92a330e04dbb7e89deb113c21687e9ae29775

      SHA512

      2265b4557d5a22987e341ccc60b74efeac1c31403a9d9fb0143018450ce4e49c68f4c3af4c9ba77dc73f89bc8a2898790212065464f4370d44b70552d9d28816

    • C:\Users\Admin\AppData\Roaming\wpprivatepacket\jsrequest.exe

      Filesize

      128KB

      MD5

      e958488754282b677350494a4cbb6d1e

      SHA1

      743e0c83d6816be0b2f36057e00a5f2580a20569

      SHA256

      38e19a338d553253c1bf5576f02287ee0da3ca9883e69ebeb709667e4ced6875

      SHA512

      9855b2b66e0612653c164b59749d137e797b71d9e7fdd554b1b07f48a1ca85d142220e060f8be46006775395fffc3334dddc6cac09e052e162d2bcc12019fa02

    • C:\Users\Admin\AppData\Roaming\wpprivatepacket\jsrequest.exe.config

      Filesize

      357B

      MD5

      a2b76cea3a59fa9af5ea21ff68139c98

      SHA1

      35d76475e6a54c168f536e30206578babff58274

      SHA256

      f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

      SHA512

      b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

    • memory/180-34-0x0000000004EE0000-0x0000000004EF0000-memory.dmp

      Filesize

      64KB

    • memory/180-36-0x00000000050D0000-0x00000000050E2000-memory.dmp

      Filesize

      72KB

    • memory/180-45-0x0000000074490000-0x0000000074C40000-memory.dmp

      Filesize

      7.7MB

    • memory/180-30-0x0000000074490000-0x0000000074C40000-memory.dmp

      Filesize

      7.7MB

    • memory/1484-41-0x0000000005190000-0x00000000051A0000-memory.dmp

      Filesize

      64KB

    • memory/1484-40-0x0000000074490000-0x0000000074C40000-memory.dmp

      Filesize

      7.7MB

    • memory/1484-52-0x0000000074490000-0x0000000074C40000-memory.dmp

      Filesize

      7.7MB

    • memory/1528-70-0x0000000074490000-0x0000000074C40000-memory.dmp

      Filesize

      7.7MB

    • memory/1528-71-0x0000000002950000-0x0000000002960000-memory.dmp

      Filesize

      64KB

    • memory/1528-72-0x0000000074490000-0x0000000074C40000-memory.dmp

      Filesize

      7.7MB

    • memory/1756-56-0x0000000006FB0000-0x0000000006FC2000-memory.dmp

      Filesize

      72KB

    • memory/1756-62-0x0000000008110000-0x0000000008160000-memory.dmp

      Filesize

      320KB

    • memory/1756-51-0x0000000006EA0000-0x0000000006F06000-memory.dmp

      Filesize

      408KB

    • memory/1756-48-0x0000000006600000-0x000000000660A000-memory.dmp

      Filesize

      40KB

    • memory/1756-47-0x0000000005970000-0x0000000005980000-memory.dmp

      Filesize

      64KB

    • memory/1756-35-0x0000000074490000-0x0000000074C40000-memory.dmp

      Filesize

      7.7MB

    • memory/1756-64-0x0000000005070000-0x0000000005080000-memory.dmp

      Filesize

      64KB

    • memory/1756-63-0x0000000074490000-0x0000000074C40000-memory.dmp

      Filesize

      7.7MB

    • memory/1756-38-0x0000000005070000-0x0000000005080000-memory.dmp

      Filesize

      64KB

    • memory/1756-55-0x0000000007530000-0x0000000007B48000-memory.dmp

      Filesize

      6.1MB

    • memory/1756-61-0x0000000007350000-0x000000000735E000-memory.dmp

      Filesize

      56KB

    • memory/1756-60-0x0000000007B50000-0x0000000007D12000-memory.dmp

      Filesize

      1.8MB

    • memory/1756-59-0x0000000007200000-0x000000000730A000-memory.dmp

      Filesize

      1.0MB

    • memory/1756-58-0x0000000007050000-0x000000000709C000-memory.dmp

      Filesize

      304KB

    • memory/1756-57-0x0000000007010000-0x000000000704C000-memory.dmp

      Filesize

      240KB

    • memory/1756-46-0x0000000005460000-0x0000000005478000-memory.dmp

      Filesize

      96KB

    • memory/2232-66-0x0000000074490000-0x0000000074C40000-memory.dmp

      Filesize

      7.7MB

    • memory/2232-67-0x00000000055F0000-0x0000000005600000-memory.dmp

      Filesize

      64KB

    • memory/2232-68-0x0000000074490000-0x0000000074C40000-memory.dmp

      Filesize

      7.7MB

    • memory/2932-7-0x0000000005420000-0x0000000005432000-memory.dmp

      Filesize

      72KB

    • memory/2932-23-0x0000000074490000-0x0000000074C40000-memory.dmp

      Filesize

      7.7MB

    • memory/2932-4-0x0000000005250000-0x00000000052AC000-memory.dmp

      Filesize

      368KB

    • memory/2932-0-0x0000000074490000-0x0000000074C40000-memory.dmp

      Filesize

      7.7MB

    • memory/2932-5-0x0000000005950000-0x0000000005EF4000-memory.dmp

      Filesize

      5.6MB

    • memory/2932-1-0x0000000000380000-0x000000000067E000-memory.dmp

      Filesize

      3.0MB

    • memory/2932-2-0x00000000029D0000-0x00000000029E0000-memory.dmp

      Filesize

      64KB

    • memory/2932-6-0x0000000005440000-0x00000000054D2000-memory.dmp

      Filesize

      584KB

    • memory/2932-3-0x00000000029C0000-0x00000000029CE000-memory.dmp

      Filesize

      56KB

    • memory/3152-44-0x00000000050E0000-0x00000000050F0000-memory.dmp

      Filesize

      64KB

    • memory/3152-43-0x0000000074490000-0x0000000074C40000-memory.dmp

      Filesize

      7.7MB

    • memory/3152-54-0x0000000074490000-0x0000000074C40000-memory.dmp

      Filesize

      7.7MB

    • memory/3840-24-0x0000000074490000-0x0000000074C40000-memory.dmp

      Filesize

      7.7MB

    • memory/3840-25-0x0000000004E70000-0x0000000004E80000-memory.dmp

      Filesize

      64KB

    • memory/3840-26-0x00000000051E0000-0x00000000051F2000-memory.dmp

      Filesize

      72KB

    • memory/3840-33-0x0000000074490000-0x0000000074C40000-memory.dmp

      Filesize

      7.7MB

    • memory/3840-27-0x00000000056A0000-0x00000000056EE000-memory.dmp

      Filesize

      312KB

    • memory/3840-29-0x0000000006000000-0x000000000609C000-memory.dmp

      Filesize

      624KB