Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    14-05-2024 01:27

General

  • Target

    4bec34d79d2e920bf234f4836b54a5f0_NeikiAnalytics.exe

  • Size

    1.4MB

  • MD5

    4bec34d79d2e920bf234f4836b54a5f0

  • SHA1

    cc0cbb5240d0647f4e1ce31297c9be3dda6ff63e

  • SHA256

    845318e1a65284778f53efd4f5d611e41dfe11138432d7e266e5568595d4f920

  • SHA512

    0889b8a31da1da823438da8e747ed87acd54d6806519a5723328f3968ca6cb205953598dc84a58ab602d16c2e657aed3f6fd95355e797dc2e23bbfd3940ac862

  • SSDEEP

    24576:sb0k+mAJhhjPadFWlFCj1braPSoSnj9w5pi2E4hsc9yhh8mtffogLrsyp:vk+Bh2LWlIlJO5U2B9u9fuy

Score
10/10

Malware Config

Signatures

  • DcRat

    DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

  • Process spawned unexpected child process 5 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • DCRat payload 3 IoCs

    Detects payload of DCRat, commonly dropped by NSIS installers.

  • Executes dropped EXE 1 IoCs
  • Drops file in Program Files directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 6 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\4bec34d79d2e920bf234f4836b54a5f0_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\4bec34d79d2e920bf234f4836b54a5f0_NeikiAnalytics.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1756
    • C:\Program Files\Mozilla Firefox\winlogon.exe
      "C:\Program Files\Mozilla Firefox\winlogon.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:2488
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "4bec34d79d2e920bf234f4836b54a5f0_NeikiAnalytics4" /sc MINUTE /mo 9 /tr "'C:\Program Files\Windows Photo Viewer\ja-JP\4bec34d79d2e920bf234f4836b54a5f0_NeikiAnalytics.exe'" /f
    1⤵
    • Creates scheduled task(s)
    PID:2932
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "4bec34d79d2e920bf234f4836b54a5f0_NeikiAnalytics" /sc ONLOGON /tr "'C:\Program Files\Windows Photo Viewer\ja-JP\4bec34d79d2e920bf234f4836b54a5f0_NeikiAnalytics.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:2208
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "4bec34d79d2e920bf234f4836b54a5f0_NeikiAnalytics4" /sc MINUTE /mo 12 /tr "'C:\Program Files\Windows Photo Viewer\ja-JP\4bec34d79d2e920bf234f4836b54a5f0_NeikiAnalytics.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:2500
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 11 /tr "'C:\Program Files\Mozilla Firefox\winlogon.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:2676
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\Program Files\Mozilla Firefox\winlogon.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:2636
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 10 /tr "'C:\Program Files\Mozilla Firefox\winlogon.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Creates scheduled task(s)
    PID:2404

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Mozilla Firefox\winlogon.exe

    Filesize

    1.4MB

    MD5

    4bec34d79d2e920bf234f4836b54a5f0

    SHA1

    cc0cbb5240d0647f4e1ce31297c9be3dda6ff63e

    SHA256

    845318e1a65284778f53efd4f5d611e41dfe11138432d7e266e5568595d4f920

    SHA512

    0889b8a31da1da823438da8e747ed87acd54d6806519a5723328f3968ca6cb205953598dc84a58ab602d16c2e657aed3f6fd95355e797dc2e23bbfd3940ac862

  • memory/1756-8-0x00000000006E0000-0x00000000006EC000-memory.dmp

    Filesize

    48KB

  • memory/1756-2-0x000007FEF5A40000-0x000007FEF642C000-memory.dmp

    Filesize

    9.9MB

  • memory/1756-3-0x0000000000430000-0x000000000043E000-memory.dmp

    Filesize

    56KB

  • memory/1756-6-0x0000000000440000-0x000000000044C000-memory.dmp

    Filesize

    48KB

  • memory/1756-5-0x0000000000680000-0x0000000000696000-memory.dmp

    Filesize

    88KB

  • memory/1756-0-0x000007FEF5A43000-0x000007FEF5A44000-memory.dmp

    Filesize

    4KB

  • memory/1756-7-0x00000000004D0000-0x00000000004DC000-memory.dmp

    Filesize

    48KB

  • memory/1756-9-0x0000000000740000-0x000000000074C000-memory.dmp

    Filesize

    48KB

  • memory/1756-4-0x0000000000660000-0x000000000067C000-memory.dmp

    Filesize

    112KB

  • memory/1756-1-0x00000000000B0000-0x0000000000218000-memory.dmp

    Filesize

    1.4MB

  • memory/1756-21-0x000007FEF5A40000-0x000007FEF642C000-memory.dmp

    Filesize

    9.9MB

  • memory/2488-20-0x00000000011D0000-0x0000000001338000-memory.dmp

    Filesize

    1.4MB