Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Analysis

  • max time kernel
    73s
  • max time network
    80s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    25/04/2024, 16:16

General

  • Target

    Corsac.exe

  • Size

    19KB

  • MD5

    dcbdfabd2081401507f1ce7afb4bd062

  • SHA1

    c9c07d14dc3d6ec929974ec0d79b0762166ecaf1

  • SHA256

    b19fb4f6c04f411b1a64a4de7a95eb80783880fa0391adcab3591cef2b17dde9

  • SHA512

    1da4e6bed08117578beb3ab2943c4445d72b84f4ab38063ae5d4876679835d6856177a00b5ea7c6abd382b9673ce6feb50b2b713c52df35322fd692bd7aa081d

  • SSDEEP

    384:bgnkS++R2Rnb99wYfvNPjRdfvMgYz4kxqpfnSrBicVefFBsujYcV64UwJFZb:0e95VHfWrYc+ZYcV6bw9b

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 34 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 57 IoCs
  • Suspicious use of SendNotifyMessage 57 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Corsac.exe
    "C:\Users\Admin\AppData\Local\Temp\Corsac.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2176
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Drops file in Windows directory
    • Checks SCSI registry key(s)
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:4856

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2176-0-0x0000015918990000-0x000001591899A000-memory.dmp

    Filesize

    40KB

  • memory/2176-1-0x00007FFCBB3D0000-0x00007FFCBBDBC000-memory.dmp

    Filesize

    9.9MB

  • memory/2176-2-0x0000015932F10000-0x0000015932F20000-memory.dmp

    Filesize

    64KB

  • memory/2176-3-0x0000015932F10000-0x0000015932F20000-memory.dmp

    Filesize

    64KB

  • memory/2176-6-0x00007FFCBB3D0000-0x00007FFCBBDBC000-memory.dmp

    Filesize

    9.9MB

  • memory/2176-9-0x0000015932F10000-0x0000015932F20000-memory.dmp

    Filesize

    64KB

  • memory/2176-10-0x0000015932F10000-0x0000015932F20000-memory.dmp

    Filesize

    64KB

  • memory/2176-19-0x00007FFCBB3D0000-0x00007FFCBBDBC000-memory.dmp

    Filesize

    9.9MB