Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    06-12-2024 02:27

General

  • Target

    3e44b4569dbbf3b77f6bd8d232962f57269aa77d4e42e5906e460474d20bde90.exe

  • Size

    4.1MB

  • MD5

    8158f2604b140c677599c7e151b01caa

  • SHA1

    86c85b589762df652ef89085ad524cdbe64c6788

  • SHA256

    3e44b4569dbbf3b77f6bd8d232962f57269aa77d4e42e5906e460474d20bde90

  • SHA512

    e9a8411406802d76f58ac938a35a707022c68a8f7d4b00cef8e020815a5990c48c7af0f06bdb1cf4a49c1d5ee21d4a2cff979414d233ae297cbf9f0dbe2d7ee7

  • SSDEEP

    49152:PWhfJr3YyD89qp8eFgu/HrSHDMui9lhH8/07KJOZJcfs5HPsuvBkM+SsAeF92H2M:PeIyTKeFNPHW07KMncfaPs/AL2z5qN

Malware Config

Signatures

  • Orcus

    Orcus is a Remote Access Trojan that is being sold on underground forums.

  • Orcus family
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Orcurs Rat Executable 1 IoCs
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 3 IoCs
  • 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.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3e44b4569dbbf3b77f6bd8d232962f57269aa77d4e42e5906e460474d20bde90.exe
    "C:\Users\Admin\AppData\Local\Temp\3e44b4569dbbf3b77f6bd8d232962f57269aa77d4e42e5906e460474d20bde90.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2120
    • C:\Users\Admin\AppData\Local\Temp\3e44b4569dbbf3b77f6bd8d232962f57269aa77d4e42e5906e460474d20bde90.exe
      "C:\Users\Admin\AppData\Local\Temp\3e44b4569dbbf3b77f6bd8d232962f57269aa77d4e42e5906e460474d20bde90.exe"
      2⤵
      • Looks for VirtualBox Guest Additions in registry
      • Looks for VMWare Tools registry key
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Maps connected drives based on registry
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3360
      • C:\Program Files (x86)\windows\System Runner.exe
        "C:\Program Files (x86)\windows\System Runner.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:3880
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c timeout /t 1 && DEL /f 3e44b4569dbbf3b77f6bd8d232962f57269aa77d4e42e5906e460474d20bde90.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3464
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 1
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:3576

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\windows\System Runner.exe.config

    Filesize

    357B

    MD5

    a2b76cea3a59fa9af5ea21ff68139c98

    SHA1

    35d76475e6a54c168f536e30206578babff58274

    SHA256

    f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

    SHA512

    b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

  • \Users\Admin\AppData\Local\Temp\3e44b4569dbbf3b77f6bd8d232962f57269aa77d4e42e5906e460474d20bde90.exe

    Filesize

    4.1MB

    MD5

    8158f2604b140c677599c7e151b01caa

    SHA1

    86c85b589762df652ef89085ad524cdbe64c6788

    SHA256

    3e44b4569dbbf3b77f6bd8d232962f57269aa77d4e42e5906e460474d20bde90

    SHA512

    e9a8411406802d76f58ac938a35a707022c68a8f7d4b00cef8e020815a5990c48c7af0f06bdb1cf4a49c1d5ee21d4a2cff979414d233ae297cbf9f0dbe2d7ee7

  • memory/2120-47-0x00000000054A0000-0x0000000005746000-memory.dmp

    Filesize

    2.6MB

  • memory/2120-25-0x00000000054A0000-0x0000000005746000-memory.dmp

    Filesize

    2.6MB

  • memory/2120-0-0x000000007479E000-0x000000007479F000-memory.dmp

    Filesize

    4KB

  • memory/2120-17-0x00000000054A0000-0x0000000005746000-memory.dmp

    Filesize

    2.6MB

  • memory/2120-49-0x00000000054A0000-0x0000000005746000-memory.dmp

    Filesize

    2.6MB

  • memory/2120-23-0x00000000054A0000-0x0000000005746000-memory.dmp

    Filesize

    2.6MB

  • memory/2120-21-0x00000000054A0000-0x0000000005746000-memory.dmp

    Filesize

    2.6MB

  • memory/2120-19-0x00000000054A0000-0x0000000005746000-memory.dmp

    Filesize

    2.6MB

  • memory/2120-15-0x00000000054A0000-0x0000000005746000-memory.dmp

    Filesize

    2.6MB

  • memory/2120-11-0x00000000054A0000-0x0000000005746000-memory.dmp

    Filesize

    2.6MB

  • memory/2120-9-0x00000000054A0000-0x0000000005746000-memory.dmp

    Filesize

    2.6MB

  • memory/2120-7-0x00000000054A0000-0x0000000005746000-memory.dmp

    Filesize

    2.6MB

  • memory/2120-5-0x00000000054A0000-0x0000000005746000-memory.dmp

    Filesize

    2.6MB

  • memory/2120-4-0x00000000054A0000-0x0000000005746000-memory.dmp

    Filesize

    2.6MB

  • memory/2120-27-0x00000000054A0000-0x0000000005746000-memory.dmp

    Filesize

    2.6MB

  • memory/2120-53-0x00000000054A0000-0x0000000005746000-memory.dmp

    Filesize

    2.6MB

  • memory/2120-31-0x00000000054A0000-0x0000000005746000-memory.dmp

    Filesize

    2.6MB

  • memory/2120-33-0x00000000054A0000-0x0000000005746000-memory.dmp

    Filesize

    2.6MB

  • memory/2120-35-0x00000000054A0000-0x0000000005746000-memory.dmp

    Filesize

    2.6MB

  • memory/2120-37-0x00000000054A0000-0x0000000005746000-memory.dmp

    Filesize

    2.6MB

  • memory/2120-39-0x00000000054A0000-0x0000000005746000-memory.dmp

    Filesize

    2.6MB

  • memory/2120-41-0x00000000054A0000-0x0000000005746000-memory.dmp

    Filesize

    2.6MB

  • memory/2120-43-0x00000000054A0000-0x0000000005746000-memory.dmp

    Filesize

    2.6MB

  • memory/2120-45-0x00000000054A0000-0x0000000005746000-memory.dmp

    Filesize

    2.6MB

  • memory/2120-13-0x00000000054A0000-0x0000000005746000-memory.dmp

    Filesize

    2.6MB

  • memory/2120-3-0x0000000074790000-0x0000000074E7E000-memory.dmp

    Filesize

    6.9MB

  • memory/2120-29-0x00000000054A0000-0x0000000005746000-memory.dmp

    Filesize

    2.6MB

  • memory/2120-51-0x00000000054A0000-0x0000000005746000-memory.dmp

    Filesize

    2.6MB

  • memory/2120-57-0x00000000054A0000-0x0000000005746000-memory.dmp

    Filesize

    2.6MB

  • memory/2120-55-0x00000000054A0000-0x0000000005746000-memory.dmp

    Filesize

    2.6MB

  • memory/2120-61-0x00000000054A0000-0x0000000005746000-memory.dmp

    Filesize

    2.6MB

  • memory/2120-59-0x00000000054A0000-0x0000000005746000-memory.dmp

    Filesize

    2.6MB

  • memory/2120-63-0x00000000054A0000-0x0000000005746000-memory.dmp

    Filesize

    2.6MB

  • memory/2120-65-0x00000000054A0000-0x0000000005746000-memory.dmp

    Filesize

    2.6MB

  • memory/2120-67-0x00000000054A0000-0x0000000005746000-memory.dmp

    Filesize

    2.6MB

  • memory/2120-34734-0x000000007479E000-0x000000007479F000-memory.dmp

    Filesize

    4KB

  • memory/2120-34735-0x0000000074790000-0x0000000074E7E000-memory.dmp

    Filesize

    6.9MB

  • memory/2120-34736-0x0000000074790000-0x0000000074E7E000-memory.dmp

    Filesize

    6.9MB

  • memory/2120-2-0x00000000054A0000-0x000000000574C000-memory.dmp

    Filesize

    2.7MB

  • memory/2120-34773-0x0000000074790000-0x0000000074E7E000-memory.dmp

    Filesize

    6.9MB

  • memory/2120-1-0x0000000000B40000-0x0000000000F54000-memory.dmp

    Filesize

    4.1MB

  • memory/3360-34778-0x0000000074790000-0x0000000074E7E000-memory.dmp

    Filesize

    6.9MB

  • memory/3360-34779-0x0000000074790000-0x0000000074E7E000-memory.dmp

    Filesize

    6.9MB

  • memory/3360-34834-0x0000000000550000-0x000000000055E000-memory.dmp

    Filesize

    56KB

  • memory/3360-34835-0x00000000048A0000-0x00000000048FC000-memory.dmp

    Filesize

    368KB

  • memory/3360-34836-0x0000000074790000-0x0000000074E7E000-memory.dmp

    Filesize

    6.9MB

  • memory/3360-34837-0x0000000000600000-0x0000000000612000-memory.dmp

    Filesize

    72KB

  • memory/3360-34774-0x0000000000080000-0x00000000001AE000-memory.dmp

    Filesize

    1.2MB

  • memory/3360-34849-0x0000000074790000-0x0000000074E7E000-memory.dmp

    Filesize

    6.9MB

  • memory/3880-34848-0x0000000000FC0000-0x00000000013D4000-memory.dmp

    Filesize

    4.1MB