Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/03/2024, 19:12

General

  • Target
    c9646cc83c6c9b692ff87cfae723ac2d.exe
  • Size 203KB
  • Sample240314-xws1vaef99
  • SHA256 6cf2ef69742c21efe23b80d4eee127ea5c304627db57594780590774d3c4ef07
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 1 IoCs

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

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c9646cc83c6c9b692ff87cfae723ac2d.exe
    "C:\Users\Admin\AppData\Local\Temp\c9646cc83c6c9b692ff87cfae723ac2d.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2248
    • C:\Users\Admin\AppData\Local\Temp\c9646cc83c6c9b692ff87cfae723ac2dmgr.exe
      C:\Users\Admin\AppData\Local\Temp\c9646cc83c6c9b692ff87cfae723ac2dmgr.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:1696
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1696 -s 516
        3⤵
        • Program crash
        PID:1636
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1696 -ip 1696
    1⤵
      PID:4380

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          c9646cc83c6c9b692ff87cfae723ac2dmgr.exe

          • Path C:\Users\Admin\AppData\Local\Temp\c9646cc83c6c9b692ff87cfae723ac2dmgr.exe
          • Size 192KB
          • SHA256 d8154a709cb110d7fa830c6c9086118a50b43df870e531ffd45af3c28e7aa683
          • MD5 SHA1 SHA512 SSDEEP

          ~TM42F4.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\~TM42F4.tmp
          • Size 1.6MB
          • SHA256 767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac
          • MD5 SHA1 SHA512 SSDEEP

          memory/1696-6-0x0000000000400000-0x0000000000436000-memory.dmp

          memory/1696-7-0x0000000000400000-0x0000000000436000-memory.dmp

          memory/1696-9-0x0000000000590000-0x00000000005C6000-memory.dmp

          memory/1696-12-0x0000000076F42000-0x0000000076F44000-memory.dmp

          memory/1696-13-0x0000000076F42000-0x0000000076F44000-memory.dmp

          memory/1696-14-0x0000000076F42000-0x0000000076F43000-memory.dmp

          memory/1696-15-0x0000000000400000-0x0000000000436000-memory.dmp

          memory/2248-0-0x0000000000070000-0x00000000000A7000-memory.dmp

          memory/2248-4-0x0000000000070000-0x00000000000A7000-memory.dmp