Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    28/03/2025, 07:39

General

  • Target

    b96db23676e660491277ae4e9a63f9bc4faf327f04dfc5d952638e1faa13400c.exe

  • Size

    7.4MB

  • MD5

    f735430d105d35870bddaebeb004f0ef

  • SHA1

    5b56d9811bc3362aa67eff795229875af70ba679

  • SHA256

    b96db23676e660491277ae4e9a63f9bc4faf327f04dfc5d952638e1faa13400c

  • SHA512

    4933a6da0a0dd51dd1c741885acb1b1e57bcea13611dbb8f92fd1913604d4495546b5d0105eac2aec78d56608716c1e51f0daaf6f10f0e376e7df52501daeb62

  • SSDEEP

    98304:4UsE3yp0JsiaQ2HQbPD3mlZ3HYsn+uMfpByzriBkDOHOkOPD6woUMBXfRErb+:H3y+Dv2HQIvnt2zusw1MNfU+

Malware Config

Signatures

  • Drops file in Drivers directory 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • 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: EnumeratesProcesses 15 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b96db23676e660491277ae4e9a63f9bc4faf327f04dfc5d952638e1faa13400c.exe
    "C:\Users\Admin\AppData\Local\Temp\b96db23676e660491277ae4e9a63f9bc4faf327f04dfc5d952638e1faa13400c.exe"
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1980
    • C:\Users\Admin\Documents\12.05.exe
      "C:\Users\Admin\Documents\12.05.exe"
      2⤵
      • Drops file in Drivers directory
      • Executes dropped EXE
      • Writes to the Master Boot Record (MBR)
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2204
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2204 -s 924
        3⤵
        • Loads dropped DLL
        • Program crash
        PID:2720

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\Documents\38afe80f

    Filesize

    318B

    MD5

    f6826b4a0be52ce01420fc6ba00f8bf6

    SHA1

    54c9371e1c0ddd970b9897a5e7dbc82d51584007

    SHA256

    6935bfd6a674f47481c4cfc3ae2bcf3588eb1fbb9b79f434e85281b5b8ab51f8

    SHA512

    ff06a8f5c02ce6ea4f9dfed3ef331e763ea859fb5fe1d9c9c115b343b1745f13a6b24d8b6b4f3de5eb79540fd5fb4701eaa5ab939398e7fcc1475d5438e275b8

  • \Users\Admin\Documents\12.05.exe

    Filesize

    7.4MB

    MD5

    bef6f8487d700fabea7a8116d89cee10

    SHA1

    47b4de0be6c61a9f370b1d496108551567f9871c

    SHA256

    373d3bd04068a3dc884b32976e70c0d93649865972329afc9876ce22ab95a724

    SHA512

    07314affeb87f68d6eab782888702a04accf6d80ace79dd72e3eb2cc6f80f022455c288afcfc4b2a56ffdc9adec63b514196b7be2990fef8bba1988f197cc6d0

  • memory/1980-4-0x0000000000400000-0x0000000000DF4000-memory.dmp

    Filesize

    10.0MB

  • memory/1980-22-0x0000000000400000-0x0000000000DF4000-memory.dmp

    Filesize

    10.0MB

  • memory/1980-0-0x0000000000400000-0x0000000000DF4000-memory.dmp

    Filesize

    10.0MB

  • memory/1980-6-0x0000000000400000-0x0000000000DF4000-memory.dmp

    Filesize

    10.0MB

  • memory/1980-7-0x0000000000401000-0x00000000005D7000-memory.dmp

    Filesize

    1.8MB

  • memory/1980-8-0x0000000010000000-0x0000000010014000-memory.dmp

    Filesize

    80KB

  • memory/1980-1-0x0000000000400000-0x0000000000DF4000-memory.dmp

    Filesize

    10.0MB

  • memory/1980-20-0x0000000004F10000-0x0000000005904000-memory.dmp

    Filesize

    10.0MB

  • memory/1980-2-0x0000000000400000-0x0000000000DF4000-memory.dmp

    Filesize

    10.0MB

  • memory/1980-3-0x0000000000400000-0x0000000000DF4000-memory.dmp

    Filesize

    10.0MB

  • memory/2204-25-0x0000000000400000-0x0000000000DF4000-memory.dmp

    Filesize

    10.0MB

  • memory/2204-24-0x0000000000400000-0x0000000000DF4000-memory.dmp

    Filesize

    10.0MB

  • memory/2204-28-0x0000000000400000-0x0000000000DF4000-memory.dmp

    Filesize

    10.0MB

  • memory/2204-26-0x0000000000400000-0x0000000000DF4000-memory.dmp

    Filesize

    10.0MB

  • memory/2204-23-0x0000000000400000-0x0000000000DF4000-memory.dmp

    Filesize

    10.0MB

  • memory/2204-21-0x0000000000400000-0x0000000000DF4000-memory.dmp

    Filesize

    10.0MB

  • memory/2204-42-0x0000000000400000-0x0000000000DF4000-memory.dmp

    Filesize

    10.0MB