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Analysis

  • max time kernel
    140s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    15/05/2024, 10:06

General

  • Target

    c21f231ffd67f028d14c68c3a49749f0_NeikiAnalytics.exe

  • Size

    57KB

  • MD5

    c21f231ffd67f028d14c68c3a49749f0

  • SHA1

    2b5405a7ff37db11f449c016891964e2ea7d8682

  • SHA256

    378e81a853b8e749ddc38e81d81ae0a5699bc8da3cc0c6df0d79b92c62f14508

  • SHA512

    ef13ce0666e96fd9fb7bb7d018c2a115734d7635dc896d0b6091efeee1e8cf40a435db87ab5181d093e0c9a7a10f4b047efbb7dd13a2b110d089be0acd2d4885

  • SSDEEP

    768:mrItKyw5WHXfQmjIiIk9ecAaU896KyXmuJrjTg+5lPulg:mr3Z5IfQmv81aU85yXmIjTg4B

Score
8/10

Malware Config

Signatures

  • Sets file to hidden 1 TTPs 1 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 5 IoCs

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

  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c21f231ffd67f028d14c68c3a49749f0_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\c21f231ffd67f028d14c68c3a49749f0_NeikiAnalytics.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2360
    • C:\Windows\SysWOW64\attrib.exe
      attrib +a +s +h +r C:\Windows\Debug\rwmhost.exe
      2⤵
      • Sets file to hidden
      • Drops file in Windows directory
      • Views/modifies file attributes
      PID:1244
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\C21F23~1.EXE > nul
      2⤵
      • Deletes itself
      PID:3004
  • C:\Windows\Debug\rwmhost.exe
    C:\Windows\Debug\rwmhost.exe
    1⤵
    • Executes dropped EXE
    PID:1408

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\Debug\rwmhost.exe

    Filesize

    58KB

    MD5

    78dfb1337a740a037857b4588467289b

    SHA1

    0835de720176564c14ea73ed504efaea8898576b

    SHA256

    492ce047a2660a7e2365c44342baa117c354614af661b06d4814e8fa7c16fb8e

    SHA512

    9429115bf135ef8346cc2ac86a9b3690370841887ee5e430961333e099dcc322e0125acf50d551a6e646a8f351049ccc63a41a2eb26c885daad0c789cc665d6b

  • memory/1408-5-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/1408-7-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2360-0-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB

  • memory/2360-6-0x0000000000400000-0x0000000000414000-memory.dmp

    Filesize

    80KB