Analysis

  • max time kernel
    128s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    20-06-2024 07:11

General

  • Target

    434b6198a4fb2bb21b741b19df74188a0f8f0fdb9fb16de63d71277bfcffaab2_NeikiAnalytics.exe

  • Size

    1.2MB

  • MD5

    a5eb2e112e632a425a7dda05b86658c0

  • SHA1

    097e969d55bd57a7095f0769a979121c01cc8a2f

  • SHA256

    434b6198a4fb2bb21b741b19df74188a0f8f0fdb9fb16de63d71277bfcffaab2

  • SHA512

    82149a2112d690209a076cfe1ea14e8901e3af10ee0f256f7f59e26fd37a7a1830cf60945a902b2e5e9d1b783779be4ac84e10bbd35162832f3eaf6376e3b09b

  • SSDEEP

    12288:6gxqAqAVsc6zQ2Sms5TZFU2lAJqq+1KUL/QXmVjyr4ddDniHhU0uRtyLfaSVGArO:OMVsc6zk3ZFU2zDXbjhiBUI7TGAHh+j

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 15 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
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops file in Program Files directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 15 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 18 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\434b6198a4fb2bb21b741b19df74188a0f8f0fdb9fb16de63d71277bfcffaab2_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\434b6198a4fb2bb21b741b19df74188a0f8f0fdb9fb16de63d71277bfcffaab2_NeikiAnalytics.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:756
    • C:\Program Files\Mozilla Firefox\fonts\Idle.exe
      "C:\Program Files\Mozilla Firefox\fonts\Idle.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      PID:1120
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 8 /tr "'C:\Recovery\5b7985c2-d100-11ee-bb00-c695cbc44580\wininit.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2652
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Recovery\5b7985c2-d100-11ee-bb00-c695cbc44580\wininit.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2668
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 6 /tr "'C:\Recovery\5b7985c2-d100-11ee-bb00-c695cbc44580\wininit.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2568
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 9 /tr "'C:\Recovery\5b7985c2-d100-11ee-bb00-c695cbc44580\spoolsv.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2752
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Recovery\5b7985c2-d100-11ee-bb00-c695cbc44580\spoolsv.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2472
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 8 /tr "'C:\Recovery\5b7985c2-d100-11ee-bb00-c695cbc44580\spoolsv.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2820
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 8 /tr "'C:\MSOCache\All Users\{90140000-0019-0409-0000-0000000FF1CE}-C\spoolsv.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2616
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-0019-0409-0000-0000000FF1CE}-C\spoolsv.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2740
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 7 /tr "'C:\MSOCache\All Users\{90140000-0019-0409-0000-0000000FF1CE}-C\spoolsv.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2448
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 9 /tr "'C:\Program Files\Mozilla Firefox\fonts\Idle.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2516
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\Program Files\Mozilla Firefox\fonts\Idle.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2976
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 7 /tr "'C:\Program Files\Mozilla Firefox\fonts\Idle.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:1720
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Windows Photo Viewer\en-US\csrss.exe'" /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2680
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Photo Viewer\en-US\csrss.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:2964
  • C:\Windows\system32\schtasks.exe
    schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\Windows Photo Viewer\en-US\csrss.exe'" /rl HIGHEST /f
    1⤵
    • Process spawned unexpected child process
    • Scheduled Task/Job: Scheduled Task
    PID:3012

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\Windows Photo Viewer\en-US\csrss.exe
    Filesize

    1.2MB

    MD5

    a5eb2e112e632a425a7dda05b86658c0

    SHA1

    097e969d55bd57a7095f0769a979121c01cc8a2f

    SHA256

    434b6198a4fb2bb21b741b19df74188a0f8f0fdb9fb16de63d71277bfcffaab2

    SHA512

    82149a2112d690209a076cfe1ea14e8901e3af10ee0f256f7f59e26fd37a7a1830cf60945a902b2e5e9d1b783779be4ac84e10bbd35162832f3eaf6376e3b09b

  • memory/756-0-0x000007FEF5A53000-0x000007FEF5A54000-memory.dmp
    Filesize

    4KB

  • memory/756-1-0x0000000000870000-0x00000000009A2000-memory.dmp
    Filesize

    1.2MB

  • memory/756-2-0x000007FEF5A50000-0x000007FEF643C000-memory.dmp
    Filesize

    9.9MB

  • memory/756-3-0x0000000000140000-0x000000000015C000-memory.dmp
    Filesize

    112KB

  • memory/756-4-0x00000000002D0000-0x00000000002E6000-memory.dmp
    Filesize

    88KB

  • memory/756-5-0x00000000002F0000-0x00000000002FC000-memory.dmp
    Filesize

    48KB

  • memory/756-22-0x000007FEF5A50000-0x000007FEF643C000-memory.dmp
    Filesize

    9.9MB

  • memory/1120-23-0x00000000011C0000-0x00000000012F2000-memory.dmp
    Filesize

    1.2MB