Windows 7 deprecation

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

Analysis

  • max time kernel
    222s
  • max time network
    255s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    31/12/2023, 13:32

General

  • Target

    3825d6fb7a4382f476703a77eec61b98.exe

  • Size

    38KB

  • MD5

    3825d6fb7a4382f476703a77eec61b98

  • SHA1

    5880b258c3c2510350ad5db27f94cf7552d84afb

  • SHA256

    f73eb4451ef01490c725d10393934627cc77e53668f3e1fc633a940bb05cf8d4

  • SHA512

    17d0ac770d1fd27e4bc7033723131631326c960160d0e32a36e5382220f99bda9c5798636eea65b70774701d8cea7ac2532073ae40a78c96fc248abc2036f142

  • SSDEEP

    768:aHpqwkfEY6GmDvRwlNoJfiqFMkBh5e6BXZgB4e:aHpXkfhitgQiqFd5XZgCe

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 2 IoCs
  • Drops file in Drivers directory 64 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Deletes itself 1 IoCs
  • Loads dropped DLL 5 IoCs
  • UPX packed file 13 IoCs

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

  • Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Modifies WinLogon 2 TTPs 8 IoCs
  • Drops file in System32 directory 7 IoCs
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: LoadsDriver 64 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3825d6fb7a4382f476703a77eec61b98.exe
    "C:\Users\Admin\AppData\Local\Temp\3825d6fb7a4382f476703a77eec61b98.exe"
    1⤵
    • Loads dropped DLL
    • Modifies WinLogon
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:2536
    • C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\system32\rundll32.exe mdhash.dll,mdhash C:\Users\Admin\AppData\Local\Temp\3825d6fb7a4382f476703a77eec61b98.exe
      2⤵
      • Modifies firewall policy service
      • Drops file in Drivers directory
      • Deletes itself
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • Drops file in System32 directory
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: LoadsDriver
      PID:2664

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\SysWOW64\mdhsh.sys

    Filesize

    8KB

    MD5

    fa1af74ab17b5d7af7b56f46f09108f4

    SHA1

    5e98d7e2e2b59799bd6a05c4a7e9fab34bd883d2

    SHA256

    86b7e650f323db5dcb5ccbaa43e84513871f7fbdb65d6314a386d09920cf5112

    SHA512

    88ddeede18cf67f4e3f44cfe738a37f746f53417c0f475b9a525347e73dd02e637a915142d0cc04d01444f08eee2d28f0f42fda369bcc16cb956f894b9898f99

  • \Windows\SysWOW64\mdhash.dll

    Filesize

    21KB

    MD5

    74e66a253e1903eb5a7846d46ff534f9

    SHA1

    538ce4817faf657f30fc91c9faaa33cbce9f04a3

    SHA256

    17d466513173ae8a905996505a652b38d3fc5958d681663482f6c9e6245e7291

    SHA512

    bb610538c1ece66ef0f891d810fa1de80d81cbc3fd173845f4aa0dd1a99bd83bc3a6de8563af845e813b445182d5f007e8f9d67940012239131155a107a6930b

  • memory/2536-14-0x0000000010000000-0x0000000010041000-memory.dmp

    Filesize

    260KB

  • memory/2536-9-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/2536-10-0x0000000010000000-0x0000000010041000-memory.dmp

    Filesize

    260KB

  • memory/2536-13-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/2536-0-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/2536-7-0x0000000010000000-0x0000000010041000-memory.dmp

    Filesize

    260KB

  • memory/2664-20-0x0000000010000000-0x0000000010041000-memory.dmp

    Filesize

    260KB

  • memory/2664-21-0x0000000010000000-0x0000000010041000-memory.dmp

    Filesize

    260KB

  • memory/2664-22-0x0000000010000000-0x0000000010041000-memory.dmp

    Filesize

    260KB

  • memory/2664-32-0x0000000010000000-0x0000000010041000-memory.dmp

    Filesize

    260KB

  • memory/2664-232-0x0000000010000000-0x0000000010041000-memory.dmp

    Filesize

    260KB

  • memory/2664-242-0x0000000010000000-0x0000000010041000-memory.dmp

    Filesize

    260KB