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Analysis

  • max time kernel
    142s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    13/10/2023, 15:24

General

  • Target

    NEAS.02c64cce1d2694441ab9a26fa485d640_JC.exe

  • Size

    431KB

  • MD5

    02c64cce1d2694441ab9a26fa485d640

  • SHA1

    05541f1cc741509a25cc236446c68923bb376efe

  • SHA256

    8acaeec63f793ad217d64842e75809bcb88fb601d7075421cb724b432e3fd1fc

  • SHA512

    088f7983da93385f7d820b61738a0c29d6477230cfe51d23e0f494915d2662893a1b4888300580f678f06df56a0a3229e28d85884b99e4dc77753b14ef4823e1

  • SSDEEP

    6144:gdspDeDrxkg/vrMuJIgwhEFHyOrJcX/Pgqwzm5IzkWjS4e4azExBKO1t4Kb70Nqx:G8kxNhOZElO5kkWjhD4AF

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Modifies system executable filetype association 2 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 17 IoCs

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

  • Drops file in Program Files directory 2 IoCs
  • Modifies registry class 15 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.02c64cce1d2694441ab9a26fa485d640_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.02c64cce1d2694441ab9a26fa485d640_JC.exe"
    1⤵
    • Loads dropped DLL
    • Modifies system executable filetype association
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1612
    • C:\Program Files\DPYG.EXE
      "C:\Program Files\DPYG.EXE"
      2⤵
      • Executes dropped EXE
      • Modifies system executable filetype association
      • Modifies registry class
      • Suspicious behavior: GetForegroundWindowSpam
      PID:1944

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\DPYG.EXE

    Filesize

    431KB

    MD5

    6a1d35fb01a7586f25b2864efcfff9fe

    SHA1

    84f53c7a38bdfe6002a019aa769d394d18389098

    SHA256

    8c2d0f1f3795515b3942ce59eba79c52144bbe4fb29dc1fa01c7a95ab909d413

    SHA512

    22cb87a38226aaa41141b078bfa908058405d2b5b661795503bb64b6d23185b1d3780c267c30d6ea284f476f0dc00bb4b356f55e22f642e9690c25d77209a012

  • C:\Program Files\DPYG.EXE

    Filesize

    431KB

    MD5

    6a1d35fb01a7586f25b2864efcfff9fe

    SHA1

    84f53c7a38bdfe6002a019aa769d394d18389098

    SHA256

    8c2d0f1f3795515b3942ce59eba79c52144bbe4fb29dc1fa01c7a95ab909d413

    SHA512

    22cb87a38226aaa41141b078bfa908058405d2b5b661795503bb64b6d23185b1d3780c267c30d6ea284f476f0dc00bb4b356f55e22f642e9690c25d77209a012

  • \Program Files\DPYG.EXE

    Filesize

    431KB

    MD5

    6a1d35fb01a7586f25b2864efcfff9fe

    SHA1

    84f53c7a38bdfe6002a019aa769d394d18389098

    SHA256

    8c2d0f1f3795515b3942ce59eba79c52144bbe4fb29dc1fa01c7a95ab909d413

    SHA512

    22cb87a38226aaa41141b078bfa908058405d2b5b661795503bb64b6d23185b1d3780c267c30d6ea284f476f0dc00bb4b356f55e22f642e9690c25d77209a012

  • \Program Files\DPYG.EXE

    Filesize

    431KB

    MD5

    6a1d35fb01a7586f25b2864efcfff9fe

    SHA1

    84f53c7a38bdfe6002a019aa769d394d18389098

    SHA256

    8c2d0f1f3795515b3942ce59eba79c52144bbe4fb29dc1fa01c7a95ab909d413

    SHA512

    22cb87a38226aaa41141b078bfa908058405d2b5b661795503bb64b6d23185b1d3780c267c30d6ea284f476f0dc00bb4b356f55e22f642e9690c25d77209a012

  • memory/1612-0-0x00000000001B0000-0x00000000001B1000-memory.dmp

    Filesize

    4KB

  • memory/1944-21-0x00000000001B0000-0x00000000001B1000-memory.dmp

    Filesize

    4KB

  • memory/1944-22-0x00000000001B0000-0x00000000001B1000-memory.dmp

    Filesize

    4KB