Analysis

  • max time kernel
    117s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10-11-2024 00:37

General

  • Target

    142ce93314701251e7a7db581aacd97e07ec117e89a98ec4354030e3d3e18f43N.exe

  • Size

    211KB

  • MD5

    67e5b8043a3a69d26258bb6bfea57a90

  • SHA1

    ecfa6e4a55c54f73e157bf77533084c2652ea211

  • SHA256

    142ce93314701251e7a7db581aacd97e07ec117e89a98ec4354030e3d3e18f43

  • SHA512

    50eefaf8453e8f084ca7466a5e2f68c8afdb41d975cd40fd7b9b287ab5257adb57f7c85677d6562d9a9ca3c6081e0dbae0b74b2237e6608c3cd3df9c591f4eab

  • SSDEEP

    6144:9H9y4eoyiCzd11YA53/vkNI+uuu7iDgbzzWoOd1ZKb:l9eVz5Y6/cNKlD+o61Z0

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 7 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • UPX packed file 3 IoCs

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

  • Drops file in Program Files directory 4 IoCs
  • 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.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\142ce93314701251e7a7db581aacd97e07ec117e89a98ec4354030e3d3e18f43N.exe
    "C:\Users\Admin\AppData\Local\Temp\142ce93314701251e7a7db581aacd97e07ec117e89a98ec4354030e3d3e18f43N.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2124
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\yugdomyw.exe "C:\Users\Admin\AppData\Local\Temp\142ce93314701251e7a7db581aacd97e07ec117e89a98ec4354030e3d3e18f43N.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:2228
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:2280
      • C:\Users\Admin\AppData\Local\Temp\yugdomyw.exe
        C:\Users\Admin\AppData\Local\Temp\\yugdomyw.exe "C:\Users\Admin\AppData\Local\Temp\142ce93314701251e7a7db581aacd97e07ec117e89a98ec4354030e3d3e18f43N.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1712
        • \??\c:\Program Files\jlqrgomf\vnft.exe
          "c:\Program Files\jlqrgomf\vnft.exe" "c:\Program Files\jlqrgomf\vnftj.dll",PraseHTML C:\Users\Admin\AppData\Local\Temp\yugdomyw.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Enumerates connected drives
          • Writes to the Master Boot Record (MBR)
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2036

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \??\c:\Program Files\jlqrgomf\vnftj.dll

    Filesize

    149KB

    MD5

    23386ecde7d91eeaf4cfa0be224b942c

    SHA1

    beaa11fc1c58e502376a4ebab7c2e1cc0308df27

    SHA256

    2f3b7b38042c2e86d577247b0dc531f6835de434246ec58ae9f182f0489368a7

    SHA512

    166bd7a99a5068283d15274c9abc51564afad8da6bfef8c219848aaecf49e4bbaa84b4fe5371369a4e74f18cfb39d71f722e4aff7dd63670245f63a67375a72f

  • \Program Files\jlqrgomf\vnft.exe

    Filesize

    43KB

    MD5

    51138beea3e2c21ec44d0932c71762a8

    SHA1

    8939cf35447b22dd2c6e6f443446acc1bf986d58

    SHA256

    5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

    SHA512

    794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

  • \Users\Admin\AppData\Local\Temp\yugdomyw.exe

    Filesize

    211KB

    MD5

    127fa1e1e7ac8952ec58ccfe7f3993b4

    SHA1

    1435c4ff9b18a1e5c89582f3e0f81fb0154e4080

    SHA256

    5929c98f656a53d085c1a97e8bba813c4d5f7697f163b05fa564331ccab0c70c

    SHA512

    35c237d546e3d6ee9e68d6a4e71225fa1841f4972879aa91289bb037734120d819293a55d521cf4a1080da57853c7c08810341cdc7502d63fdfdbe290272352a

  • memory/1712-11-0x0000000000400000-0x000000000047301E-memory.dmp

    Filesize

    460KB

  • memory/2036-20-0x0000000010000000-0x0000000010083000-memory.dmp

    Filesize

    524KB

  • memory/2036-18-0x0000000010000000-0x0000000010083000-memory.dmp

    Filesize

    524KB

  • memory/2036-25-0x000000001005B000-0x0000000010083000-memory.dmp

    Filesize

    160KB

  • memory/2036-26-0x0000000010000000-0x0000000010083000-memory.dmp

    Filesize

    524KB

  • memory/2036-27-0x0000000010000000-0x0000000010083000-memory.dmp

    Filesize

    524KB

  • memory/2036-32-0x0000000010000000-0x0000000010083000-memory.dmp

    Filesize

    524KB

  • memory/2036-33-0x0000000010000000-0x0000000010083000-memory.dmp

    Filesize

    524KB

  • memory/2124-1-0x0000000000400000-0x000000000047301E-memory.dmp

    Filesize

    460KB