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Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    02/11/2023, 01:00

General

  • Target

    NEAS.21093638102b2bc9c56e6af2d530aba0_JC.exe

  • Size

    98KB

  • MD5

    21093638102b2bc9c56e6af2d530aba0

  • SHA1

    43847a428bb91644194a13f35bae3ccf33822f1e

  • SHA256

    4a40e3fc9e14ec1d3088b933bb7ac1df25200c0a8255710d20e2a9a397e0efca

  • SHA512

    e9f3c1341f5bfa9047f3eb4ea18d337492f2a67afe1bc486413662b7fd5d87a1c3840524b8863db0194229e885d18e9b97dd39d26e5f8ed94ecf1c1f5ba5c139

  • SSDEEP

    3072:u2bPVlKnQMeEP+8vIjBWpi4rELdC/T5bu:uiKLt+8viBWpTALcu

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of UnmapMainImage 3 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    PID:1188
    • C:\Users\Admin\AppData\Local\Temp\NEAS.21093638102b2bc9c56e6af2d530aba0_JC.exe
      "C:\Users\Admin\AppData\Local\Temp\NEAS.21093638102b2bc9c56e6af2d530aba0_JC.exe"
      2⤵
      • Drops file in Program Files directory
      • Suspicious use of UnmapMainImage
      PID:1500
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {53628919-7B0D-48A7-9E3B-B7E476244E9B} S-1-5-21-2085049433-1067986815-1244098655-1000:AHLBRYJO\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2664
    • C:\PROGRA~3\Mozilla\suvkbwn.exe
      C:\PROGRA~3\Mozilla\suvkbwn.exe -tlhykym
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:3064

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\PROGRA~3\Mozilla\suvkbwn.exe

    Filesize

    98KB

    MD5

    dff46345d60003c1dede004384119571

    SHA1

    1b6dd25fd5d5984f9146ef56c3154427161124bf

    SHA256

    ae0de03f8b68417c1e431971d39745527803ef6e433dc613fa16fe16e096b1cb

    SHA512

    e03732ca3bb9a90bb528490ee6cfbe8579639f7725d60ac988d0be73c4bd4b295b7d18c7969c81f4c59617bbf22062297fe310d8d46651c2ef352c972f41627a

  • C:\PROGRA~3\Mozilla\suvkbwn.exe

    Filesize

    98KB

    MD5

    dff46345d60003c1dede004384119571

    SHA1

    1b6dd25fd5d5984f9146ef56c3154427161124bf

    SHA256

    ae0de03f8b68417c1e431971d39745527803ef6e433dc613fa16fe16e096b1cb

    SHA512

    e03732ca3bb9a90bb528490ee6cfbe8579639f7725d60ac988d0be73c4bd4b295b7d18c7969c81f4c59617bbf22062297fe310d8d46651c2ef352c972f41627a

  • memory/1188-10-0x00000000029A0000-0x00000000029BC000-memory.dmp

    Filesize

    112KB

  • memory/1188-12-0x00000000029A0000-0x00000000029BC000-memory.dmp

    Filesize

    112KB

  • memory/1500-1-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1500-0-0x0000000000400000-0x0000000000461000-memory.dmp

    Filesize

    388KB

  • memory/1500-2-0x0000000000240000-0x000000000029F000-memory.dmp

    Filesize

    380KB

  • memory/1500-4-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/3064-7-0x0000000000400000-0x0000000000461000-memory.dmp

    Filesize

    388KB

  • memory/3064-9-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/3064-8-0x0000000000240000-0x000000000029F000-memory.dmp

    Filesize

    380KB

  • memory/3064-14-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB