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Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    08/05/2024, 22:48

General

  • Target

    8563209274cd91effedd6b6c74c3abe0_NEIKI.exe

  • Size

    136KB

  • MD5

    8563209274cd91effedd6b6c74c3abe0

  • SHA1

    89ed72201445a357b8ee814e1cdc48b9af271da1

  • SHA256

    31ad5b6eaa002c74394f3111d3fa60c721ebd93931756fcdacf2ac57000a75f1

  • SHA512

    90c7d6ea9af99f8d7b17b4fc6bb38c4b09c4bbe0f678ce0e5eed4f017c36ede713f49fb5a4473b96b52aae80523ff1b54b594592a6c931f65421ab9ebd76f88a

  • SSDEEP

    3072:AE9ByF5wP7Ht99mbaa+vKAzWvSVJSwpi6DsL:7907wTr9mea+i6WKQz

Score
8/10

Malware Config

Signatures

  • Modifies AppInit DLL entries 2 TTPs
  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8563209274cd91effedd6b6c74c3abe0_NEIKI.exe
    "C:\Users\Admin\AppData\Local\Temp\8563209274cd91effedd6b6c74c3abe0_NEIKI.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of UnmapMainImage
    PID:2848
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {C53DF466-E70C-4696-ABA3-86EFBA667D4D} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2036
    • C:\PROGRA~3\Mozilla\pfwoyhh.exe
      C:\PROGRA~3\Mozilla\pfwoyhh.exe -zhxzcvh
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • Suspicious use of UnmapMainImage
      PID:2600

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\PROGRA~3\Mozilla\pfwoyhh.exe

    Filesize

    136KB

    MD5

    fcd5fb70037d7fa241bd9a1a4dde2143

    SHA1

    00ea3639dc22256e814794d26b19b274ab7ef220

    SHA256

    bd5c5278cde1ab54c2e4c70d6b7de04e8246b147787ed543ad7051212badce50

    SHA512

    5c183e6d4e16cf706e044eda78a9f2c57ec2f5f0b2a0523b301410fad34657180d1141168568b42c10d06ab31aaf10eb6866d135354670c03bb88bde3fe25440

  • memory/2600-10-0x0000000000400000-0x000000000045E000-memory.dmp

    Filesize

    376KB

  • memory/2600-9-0x0000000000400000-0x000000000045E000-memory.dmp

    Filesize

    376KB

  • memory/2600-11-0x00000000003A0000-0x00000000003FB000-memory.dmp

    Filesize

    364KB

  • memory/2600-12-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/2600-14-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/2848-0-0x0000000000400000-0x000000000045E000-memory.dmp

    Filesize

    376KB

  • memory/2848-1-0x0000000000400000-0x000000000045E000-memory.dmp

    Filesize

    376KB

  • memory/2848-2-0x0000000000400000-0x000000000045E000-memory.dmp

    Filesize

    376KB

  • memory/2848-4-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/2848-3-0x0000000000260000-0x00000000002BB000-memory.dmp

    Filesize

    364KB

  • memory/2848-6-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB