Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    26-01-2024 08:31

General

  • Target

    76e1467647cc4730c6597ad50f36aefc.exe

  • Size

    138KB

  • MD5

    76e1467647cc4730c6597ad50f36aefc

  • SHA1

    1fbf48978b2d698f1a6d1550ae3c9a048decac86

  • SHA256

    5e62dff38640ae85210922d3e209ffc99294200eba955db1382beff1b28bcf92

  • SHA512

    3f7ad8390698c7c1911ec43c170249e848ddbc378bdb4701e7fc57121b9690bfe958bb8eb34a04a0d8efee28d0255cd5634915d3a66d24c7d550be2a1d7d5e75

  • SSDEEP

    3072:JnOn7t7XpdpCCTg/sxFgJceq8K0Cf4V+y2fn/BCAwNk1Z:JKpdcCrT/8KdfNy3AdZ

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\76e1467647cc4730c6597ad50f36aefc.exe
    "C:\Users\Admin\AppData\Local\Temp\76e1467647cc4730c6597ad50f36aefc.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2300
    • C:\Users\Admin\AppData\Local\Temp\nsi5C64.tmp\dmgr.exe
      C:\Users\Admin\AppData\Local\Temp\nsi5C64.tmp\dmgr.exe /e7341 /u4d4881ec-1a64-40da-b78d-79555bc06ebe
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of SetWindowsHookEx
      PID:2648

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab5F42.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar5F83.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • \Users\Admin\AppData\Local\Temp\nsi5C64.tmp\System.dll

    Filesize

    21KB

    MD5

    5ebc73650256e9c8ddbcda231db829a1

    SHA1

    988d4535e18754ab2a6248abae96c5697d7dbcd5

    SHA256

    1eaa543842df7795404184e8892a1654b0773dbc9bd8b54c7fdb9e68f4355493

    SHA512

    b21266e76fc7263af982a1336a766e47ccf348ed56b305dbb09f03574c9b2a7309f12200e80d86f9a251381be6e87a41206447f11c51899cb31fba10da1d5270

  • \Users\Admin\AppData\Local\Temp\nsi5C64.tmp\dmgr.exe

    Filesize

    142KB

    MD5

    b1bece3ccdb04caabd1e8aa5d8e14385

    SHA1

    65f31bf8daa60aa60894ba9ab6099448ad8e377f

    SHA256

    9b7cfc07bb0817ddd34ec1526c75c0db96fb524b682eefabd56586be17dca0db

    SHA512

    b548aa925442cd7eef00d4aa94aac4dc9d17d5ecdfb6c59c496fb94f2965fb9ad7a7e9770b0b66f74d8a9f8a4353b30460ea858a9a87b28cd167dbc75b960de3

  • memory/2300-86-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/2648-24-0x00000000004A0000-0x00000000004E0000-memory.dmp

    Filesize

    256KB

  • memory/2648-23-0x00000000746B0000-0x0000000074C5B000-memory.dmp

    Filesize

    5.7MB

  • memory/2648-78-0x00000000004A0000-0x00000000004E0000-memory.dmp

    Filesize

    256KB

  • memory/2648-79-0x00000000004A0000-0x00000000004E0000-memory.dmp

    Filesize

    256KB

  • memory/2648-80-0x00000000004A0000-0x00000000004E0000-memory.dmp

    Filesize

    256KB

  • memory/2648-81-0x0000000005F80000-0x0000000006080000-memory.dmp

    Filesize

    1024KB

  • memory/2648-82-0x00000000746B0000-0x0000000074C5B000-memory.dmp

    Filesize

    5.7MB

  • memory/2648-15-0x00000000746B0000-0x0000000074C5B000-memory.dmp

    Filesize

    5.7MB