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Analysis

  • max time kernel
    142s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    26/05/2024, 09:47

General

  • Target

    b32ab2de851bdaf8ea45c2b5e986cfa0_NeikiAnalytics.exe

  • Size

    5.7MB

  • MD5

    b32ab2de851bdaf8ea45c2b5e986cfa0

  • SHA1

    f7d851e4970758e5b8ea3efaab77795425e6a059

  • SHA256

    ff999f9bca7aa7fd1560a7155fa58c6e05a563c159819399980370327586929a

  • SHA512

    3dc011884a3cd521569e398420982a02d5aadee16c82ffe65acdf6bc285af8946dffd197e3a77732322ea2f6d0a101989747801f035b7a172dd993cf526892b9

  • SSDEEP

    98304:aJnPsinGJq1y7eYEP4o18frP3wbzWFimaI7dlZtWV:JinF4gbzWFimaI7dlzWV

Malware Config

Signatures

  • Modifies AppInit DLL entries 2 TTPs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 7 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 15 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Installs/modifies Browser Helper Object 2 TTPs 8 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 21 IoCs
  • Modifies registry class 12 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 11 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b32ab2de851bdaf8ea45c2b5e986cfa0_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\b32ab2de851bdaf8ea45c2b5e986cfa0_NeikiAnalytics.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Enumerates connected drives
    • Installs/modifies Browser Helper Object
    • Drops file in Program Files directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1924
    • C:\Windows\SysWOW64\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\IDMShellExt64.dll"
      2⤵
      • Loads dropped DLL
      PID:1112
    • C:\Windows\SysWOW64\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\IDMShellExt64.dll"
      2⤵
      • Loads dropped DLL
      PID:2876
    • C:\Windows\SysWOW64\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\IDMIECC64.dll"
      2⤵
      • Loads dropped DLL
      PID:2880
    • C:\Windows\SysWOW64\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\IDMGetAll64.dll"
      2⤵
      • Loads dropped DLL
      PID:804
    • C:\Windows\SysWOW64\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\downlWithIDM64.dll"
      2⤵
      • Loads dropped DLL
      PID:1548

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Common Files\System\symsrv.dll.000

    Filesize

    175B

    MD5

    1130c911bf5db4b8f7cf9b6f4b457623

    SHA1

    48e734c4bc1a8b5399bff4954e54b268bde9d54c

    SHA256

    eba08cc8182f379392a97f542b350ea0dbbe5e4009472f35af20e3d857eafdf1

    SHA512

    94e2511ef2c53494c2aff0960266491ffc0e54e75185427d1ccedae27c286992c754ca94cbb0c9ea36e3f04cd4eb7f032c551cf2d4b309f292906303f1a75fa0

  • \Program Files\Common Files\System\symsrv.dll

    Filesize

    67KB

    MD5

    7574cf2c64f35161ab1292e2f532aabf

    SHA1

    14ba3fa927a06224dfe587014299e834def4644f

    SHA256

    de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

    SHA512

    4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

  • \Users\Admin\AppData\Local\Temp\A1D26E2\2EEDB7C784.tmp

    Filesize

    5.6MB

    MD5

    1e0f25fc9bf58365e65422e1d338e346

    SHA1

    a69cef4b2dd0ac2cd438ef6c9ec2d45d6adbea71

    SHA256

    3317e3c053884436ca55287f8438df7c3ef04ecd5d4eddc625765198788c506b

    SHA512

    b59ef099eff69c1c2b179c8014b7eaf22c4c6d31d5a9804b58e37773f79b3dc6803d51a8f584b141f3d996489583f93def0a260ae60cea37a7422c863ff868fe

  • memory/804-34-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1112-15-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1548-37-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1924-24-0x0000000001080000-0x000000000162B000-memory.dmp

    Filesize

    5.7MB

  • memory/1924-18-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1924-70-0x0000000001080000-0x000000000162B000-memory.dmp

    Filesize

    5.7MB

  • memory/1924-25-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1924-26-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1924-54-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1924-17-0x0000000001080000-0x000000000162B000-memory.dmp

    Filesize

    5.7MB

  • memory/1924-51-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1924-43-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1924-42-0x0000000001080000-0x000000000162B000-memory.dmp

    Filesize

    5.7MB

  • memory/1924-3-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/1924-47-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2876-27-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2880-28-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB

  • memory/2880-31-0x0000000010000000-0x0000000010030000-memory.dmp

    Filesize

    192KB