Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-05-2024 19:04

General

  • Target

    443da503217dd15c4b7f58a6a05a6e90_NeikiAnalytics.exe

  • Size

    220KB

  • MD5

    443da503217dd15c4b7f58a6a05a6e90

  • SHA1

    f418f09bd6658f4d7e6bd564b1c024f5c90dfafe

  • SHA256

    04bafaeff357cda9e9876cfd002959266659212dace1d546b3b7bfce1dd58c71

  • SHA512

    a02ea80d8ac7f1f6be7fab0e973b21fc37f30054b782cf2df4a3d5895e93ba6da5c3f440676638b015ba15c023f067e994de691be2589202dd6ab256ea4f87ae

  • SSDEEP

    3072:YsXRmUIMitiMQose27vc+Eld+xZp2vPRL1tT06zJoxAWBcKpSP//dwRm8:ZR5IuMQoseGk7RZBGxAycKpSPX2T

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 3 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 18 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\443da503217dd15c4b7f58a6a05a6e90_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\443da503217dd15c4b7f58a6a05a6e90_NeikiAnalytics.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1236
    • C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\mfasfsrcsnk32.exe
      "C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\mfasfsrcsnk32.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Modifies visiblity of hidden/system files in Explorer
      • Checks computer location settings
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2956
      • C:\Windows\System32\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /create /tn Admin /tr "\"C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\mfasfsrcsnk32.exe\" arguments" /sc MINUTE /mo 1
        3⤵
        • Creates scheduled task(s)
        PID:3192
      • \??\c:\windows\microsoft.net\framework\v2.0.50727\InstallUtil.exe
        "c:\windows\microsoft.net\framework\v2.0.50727\\InstallUtil.exe" C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\mfasfsrcsnk32.exe
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:3772
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe"
      2⤵
        PID:3336
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c timeout /t 5 && del "C:\Users\Admin\AppData\Local\Temp\443da503217dd15c4b7f58a6a05a6e90_NeikiAnalytics.exe" && del "C:\Users\Admin\AppData\Local\Temp\443da503217dd15c4b7f58a6a05a6e90_NeikiAnalytics.exe.config"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1380
        • C:\Windows\system32\timeout.exe
          timeout /t 5
          3⤵
          • Delays execution with timeout.exe
          PID:4912
    • C:\Windows\system32\wbem\WmiApSrv.exe
      C:\Windows\system32\wbem\WmiApSrv.exe
      1⤵
        PID:2600
      • C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\mfasfsrcsnk32.exe
        C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\mfasfsrcsnk32.exe arguments
        1⤵
        • Executes dropped EXE
        PID:2920
      • C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\mfasfsrcsnk32.exe
        C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\mfasfsrcsnk32.exe arguments
        1⤵
        • Executes dropped EXE
        PID:1808

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0\UsageLogs\mfasfsrcsnk32.exe.log

        Filesize

        595B

        MD5

        5446caf843683ea0aab610c729c40ab1

        SHA1

        6df96e9c6c90843766b0fde8cec5e3a955291e74

        SHA256

        f7dbd089564c22c13483b867392a7bd1f9b49f8e0b089e2cc7bd7bfbf62c6329

        SHA512

        488e2b8750ff820e3fbdcbb9201abddfc6c8ccc3e7cc29962a05c2313ea862eddbf4e0a49ab6a5029aa4d9c137daf2623f1b34e4dcb896269e6edae8276148ff

      • C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\mfasfsrcsnk32.exe

        Filesize

        220KB

        MD5

        e11d84c4e2c537961108e3de8c1a54ad

        SHA1

        e7875760859d29680be3e75d731b9675b5eb8091

        SHA256

        9fc700aceee9cc27d854a7acd50b3b8fd410c9467eadd8d5701799d2116419e3

        SHA512

        886aa15de42db885004d705b9435fd2c03802226e3bf25a172d63f34fa94a4d4ed45dcba91bb0d9abc407a10c0ab40a8186351046a323e111c1ffa77be905bc4

      • C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\mfasfsrcsnk32.exe.config

        Filesize

        1KB

        MD5

        dd3d04c365984b4ec57a80503f81fddf

        SHA1

        c55fbcb61818e47dac9aae465faff91f0805bd7c

        SHA256

        40a59ca9744dc3d4647f246b2dc553f37f8095418c1b48a9bd94cdb5c03dbc5c

        SHA512

        0dd459def2abe9e3f0d1251049a0755c63f7dd3d85e91dba272c3f479f2578e3f3f2379e1cd6913190f7f596af721201eb5d9423ab28aed72bde5cd3cac7f785

      • memory/1236-11-0x000000001F470000-0x000000001F516000-memory.dmp

        Filesize

        664KB

      • memory/1236-3-0x000000001BE90000-0x000000001BF2C000-memory.dmp

        Filesize

        624KB

      • memory/1236-4-0x00007FF8E8C20000-0x00007FF8E95C1000-memory.dmp

        Filesize

        9.6MB

      • memory/1236-6-0x000000001CAA0000-0x000000001CB06000-memory.dmp

        Filesize

        408KB

      • memory/1236-7-0x00007FF8E8C20000-0x00007FF8E95C1000-memory.dmp

        Filesize

        9.6MB

      • memory/1236-8-0x00007FF8E8C20000-0x00007FF8E95C1000-memory.dmp

        Filesize

        9.6MB

      • memory/1236-9-0x00007FF8E8C20000-0x00007FF8E95C1000-memory.dmp

        Filesize

        9.6MB

      • memory/1236-0-0x00007FF8E8ED5000-0x00007FF8E8ED6000-memory.dmp

        Filesize

        4KB

      • memory/1236-10-0x000000001F1C0000-0x000000001F1E2000-memory.dmp

        Filesize

        136KB

      • memory/1236-5-0x00000000018E0000-0x00000000018E8000-memory.dmp

        Filesize

        32KB

      • memory/1236-1-0x00007FF8E8C20000-0x00007FF8E95C1000-memory.dmp

        Filesize

        9.6MB

      • memory/1236-2-0x000000001C490000-0x000000001C95E000-memory.dmp

        Filesize

        4.8MB

      • memory/1236-29-0x00007FF8E8C20000-0x00007FF8E95C1000-memory.dmp

        Filesize

        9.6MB

      • memory/2956-27-0x00007FF8E8C20000-0x00007FF8E95C1000-memory.dmp

        Filesize

        9.6MB

      • memory/2956-31-0x0000000020450000-0x00000000204B2000-memory.dmp

        Filesize

        392KB

      • memory/2956-32-0x00007FF8E8C20000-0x00007FF8E95C1000-memory.dmp

        Filesize

        9.6MB

      • memory/2956-26-0x00007FF8E8C20000-0x00007FF8E95C1000-memory.dmp

        Filesize

        9.6MB

      • memory/3772-30-0x0000000000400000-0x0000000000408000-memory.dmp

        Filesize

        32KB