Analysis

  • max time kernel
    119s
  • max time network
    116s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05-12-2024 11:16

General

  • Target

    17726decabe2319d3a12e18ef362bea822b78a29719ccc7fbcc27298d8816f10N.exe

  • Size

    813KB

  • MD5

    82f847d7438012fb7aaf92cf0dc2b640

  • SHA1

    dea5f43c50f261ed5b36581d5c5d0d53d3956f6b

  • SHA256

    17726decabe2319d3a12e18ef362bea822b78a29719ccc7fbcc27298d8816f10

  • SHA512

    abdde907593c7c41b7980678fb4847f942212ebd20d93834e7933e1f01cb85cd0e2c7b01f393fd228d9409937ae374c767f794b8cf2a169aea08c33df4a82ac0

  • SSDEEP

    24576:GT5ewakMlLQj9cFbRtjD6seSE94Zqq5uIum9:Ub9ajDVum9

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Blocklisted process makes network request 11 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\17726decabe2319d3a12e18ef362bea822b78a29719ccc7fbcc27298d8816f10N.exe
    "C:\Users\Admin\AppData\Local\Temp\17726decabe2319d3a12e18ef362bea822b78a29719ccc7fbcc27298d8816f10N.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2572
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Users\Admin\AppData\Local\Temp\17726decabe2319d3a12e18ef362bea822b78a29719ccc7fbcc27298d8816f10N.exe"
      2⤵
      • Adds Run key to start application
      • Blocklisted process makes network request
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      PID:2436

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab1F07.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar1F29.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • C:\Windows\Resources\styrthjelms.ini

    Filesize

    57B

    MD5

    fd6025a4e37e613fc3b95c4b9dcde998

    SHA1

    bc9ece04e4a3ea27ed5f6249aa52cbc45d2cb1c3

    SHA256

    3370956ec8f0d20143598826298e97b6a07ebc7aba20becd4a7545e75847c7a8

    SHA512

    4c882c456b282b5d16a8257e4f00f26c83df390ac83675c030aceb244cbb44c4350e9c7902fa43613ecfbb1030a9c6ff96fcf4581d2519c23072954d107b36f3

  • \Users\Admin\AppData\Local\Temp\nsdD22F.tmp\System.dll

    Filesize

    12KB

    MD5

    d968cb2b98b83c03a9f02dd9b8df97dc

    SHA1

    d784c9b7a92dce58a5038beb62a48ff509e166a0

    SHA256

    a4ec98011ef99e595912718c1a1bf1aa67bfc2192575729d42f559d01f67b95c

    SHA512

    2ee41dc68f329a1519a8073ece7d746c9f3bf45d8ef3b915deb376af37e26074134af5f83c8af0fe0ab227f0d1acca9f37e5ca7ae37c46c3bcc0331fe5e2b97e

  • memory/2436-296-0x00000000778F0000-0x0000000077A99000-memory.dmp

    Filesize

    1.7MB

  • memory/2436-298-0x0000000000400000-0x0000000000581000-memory.dmp

    Filesize

    1.5MB

  • memory/2572-292-0x0000000004200000-0x0000000006AF5000-memory.dmp

    Filesize

    41.0MB

  • memory/2572-293-0x00000000778F1000-0x00000000779F2000-memory.dmp

    Filesize

    1.0MB

  • memory/2572-294-0x00000000778F0000-0x0000000077A99000-memory.dmp

    Filesize

    1.7MB

  • memory/2572-295-0x0000000004200000-0x0000000006AF5000-memory.dmp

    Filesize

    41.0MB