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Analysis

  • max time kernel
    118s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    25/12/2023, 13:38

General

  • Target

    2263d9661087c367cb757a58c0c505df.exe

  • Size

    211KB

  • MD5

    2263d9661087c367cb757a58c0c505df

  • SHA1

    1ef5c1b3c3f95bd79657ebc0d6b9a3d602c7604b

  • SHA256

    30ec8a71f9c5e303be353c877db015b733173281d81f7278b933bc5b4c956d73

  • SHA512

    aa6c1abb9a7abed003b97cc90c8feadd706a5bde58a573d51af7deff07e8c6acd0b6be940f4d6306aafc7d808fe505447c5f896981fa990164a171b5d6d9a94e

  • SSDEEP

    1536:M6qxQui3mTjqsuc9TGl0hwpWbdCwprWhVHh+Nk:0PzARp0dCwS+Nk

Score
10/10

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 1 IoCs
  • Stops running service(s) 3 TTPs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in System32 directory 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Launches sc.exe 1 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies data under HKEY_USERS 24 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\SysWOW64\sc.exe
    sc delete darkness
    1⤵
    • Launches sc.exe
    PID:2208
  • C:\Users\Admin\AppData\Local\Temp\2263d9661087c367cb757a58c0c505df.exe
    "C:\Users\Admin\AppData\Local\Temp\2263d9661087c367cb757a58c0c505df.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2196
    • C:\Windows\system\dwm.exe
      "C:\Windows\system\dwm.exe" /start
      2⤵
      • Executes dropped EXE
      PID:2820
  • C:\Windows\system\dwm.exe
    C:\Windows\system\dwm.exe
    1⤵
    • Modifies firewall policy service
    • Executes dropped EXE
    • Drops file in System32 directory
    • Modifies data under HKEY_USERS
    PID:2164

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2164-16-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

  • memory/2164-17-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

  • memory/2196-0-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

  • memory/2196-10-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

  • memory/2196-11-0x00000000029E0000-0x0000000002A12000-memory.dmp

    Filesize

    200KB

  • memory/2820-15-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

  • memory/2820-12-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB