Analysis

  • max time kernel
    141s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    26-11-2024 01:12

General

  • Target

    949b9cd4d45d4c66866a112b7ecd696b0e90ad749c980dc41becf04814e81e88.exe

  • Size

    63KB

  • MD5

    84db282b4e3c3bcb3559c3c0fbbfc73b

  • SHA1

    64bd664668dc280f55e82b354033e4affb838159

  • SHA256

    949b9cd4d45d4c66866a112b7ecd696b0e90ad749c980dc41becf04814e81e88

  • SHA512

    b29a74c0535aa51e3164de65cd124e8ba25ce0d41f85ef17aa604e9a5a2af3c49940d203ab18c038258a4ecfb8446908616cc6f0e588d2d8882e2807ed6354d0

  • SSDEEP

    1536:8g/9T8ROcQupqqusN3mrS/ztMhkywRFUnTmc5n4IIIIIIIIIIIIIIIIIIDIIIIIu:8g585LpPCrQt7F84IIIIIIIIIIIIIIIs

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 3 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Disables RegEdit via registry modification 2 IoCs
  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 2 IoCs
  • Modifies system executable filetype association 2 TTPs 8 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies data under HKEY_USERS 47 IoCs
  • Modifies registry class 12 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\949b9cd4d45d4c66866a112b7ecd696b0e90ad749c980dc41becf04814e81e88.exe
    "C:\Users\Admin\AppData\Local\Temp\949b9cd4d45d4c66866a112b7ecd696b0e90ad749c980dc41becf04814e81e88.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Modifies visiblity of hidden/system files in Explorer
    • Disables RegEdit via registry modification
    • Modifies system executable filetype association
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1668
    • C:\Windows\SMSSvh.exe
      "C:\Windows\SMSSvh.exe" -xInstallOurNiceServicesYes
      2⤵
      • Modifies WinLogon for persistence
      • Modifies visiblity of hidden/system files in Explorer
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Drops file in Windows directory
      PID:396
  • C:\Windows\SMSSvh.exe
    C:\Windows\SMSSvh.exe -xStartOurNiceServicesYes
    1⤵
    • Modifies WinLogon for persistence
    • Executes dropped EXE
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    PID:1660

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SMSSvh.exe

    Filesize

    63KB

    MD5

    84db282b4e3c3bcb3559c3c0fbbfc73b

    SHA1

    64bd664668dc280f55e82b354033e4affb838159

    SHA256

    949b9cd4d45d4c66866a112b7ecd696b0e90ad749c980dc41becf04814e81e88

    SHA512

    b29a74c0535aa51e3164de65cd124e8ba25ce0d41f85ef17aa604e9a5a2af3c49940d203ab18c038258a4ecfb8446908616cc6f0e588d2d8882e2807ed6354d0

  • C:\Windows\Temp\cidCrpLO.WKG\message.htm

    Filesize

    87KB

    MD5

    9849021b12a42cbbf160cb188868a53f

    SHA1

    c710898fd067a6cb52916eb80ab9977b028dfedf

    SHA256

    f0470e2d314ac799868bba3b182faa8aaa8aca0ea0cf6c2d3fd7d4cd355eef51

    SHA512

    e23642829a147e9b3f4430caefc688429b3199f745832a6d121888c30795e84ac373e8b5137e729a0db5ee22f9d3a3f562cd6327a5ca304e4f920eecd8ce72ad

  • C:\Windows\message.dat

    Filesize

    86KB

    MD5

    cc28ee519ab309b6115a4170721c36da

    SHA1

    d81a8ae94933828469ac95c18dcca91faa02d34d

    SHA256

    5030490c9d61dbc9e3b0e688a3ae1947818970430a7d5cc42eff7308c32a7a5f

    SHA512

    35aeca21da84c4a7abc402803becc5ce9c1d24fa3bafdb683658957da2edf1d049866c910e44ec9970a4e83779e222b2a5150aff98631c177fd504656230114a

  • memory/396-10-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/1660-34-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/1660-431-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/1660-413-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/1660-91-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/1660-405-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/1660-190-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/1660-386-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/1660-280-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/1668-385-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/1668-412-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/1668-404-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/1668-180-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/1668-406-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/1668-408-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/1668-410-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/1668-279-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/1668-82-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/1668-414-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/1668-416-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/1668-430-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/1668-33-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/1668-432-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB