Analysis

  • max time kernel
    152s
  • max time network
    99s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    03-12-2022 20:33

General

  • Target

    84423e0a10f7acfba5f20434d6c7a0eaa979968325dd613d474aa5b98e3a6c30.exe

  • Size

    196KB

  • MD5

    2204da2544912380dca1df3a1fd4bf20

  • SHA1

    c222c0fdac1a03d9b632de5d5e157e8766ee3b02

  • SHA256

    84423e0a10f7acfba5f20434d6c7a0eaa979968325dd613d474aa5b98e3a6c30

  • SHA512

    68920e3db68f08e39845a83a1c2c0ae4e1be13c3281ecfae928d14edead4864fd82bc46dbbacc9f4f143966b21daa4124bcef79e19b6fd12b904e174283fe56a

  • SSDEEP

    3072:mw5ox5n2ThWsNexPnCrnPCpw5sANRVANRVANRVANRO:+nkP+6bAw5sy/y/y/yg

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • ACProtect 1.3x - 1.4x DLL software 3 IoCs

    Detects file using ACProtect software.

  • Drops file in Drivers directory 2 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • UPX packed file 3 IoCs

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

  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Enumerates connected drives 3 TTPs 64 IoCs

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

  • Installs/modifies Browser Helper Object 2 TTPs 4 IoCs

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

  • Modifies WinLogon 2 TTPs 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\84423e0a10f7acfba5f20434d6c7a0eaa979968325dd613d474aa5b98e3a6c30.exe
    "C:\Users\Admin\AppData\Local\Temp\84423e0a10f7acfba5f20434d6c7a0eaa979968325dd613d474aa5b98e3a6c30.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Drops file in Drivers directory
    • Sets service image path in registry
    • Loads dropped DLL
    • Adds Run key to start application
    • Enumerates connected drives
    • Modifies WinLogon
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1980
    • C:\Windows\SysWOW64\reg.exe
      reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" /f
      2⤵
      • Installs/modifies Browser Helper Object
      PID:912
    • C:\Users\Admin\AppData\Local\Temp\84423e0a10f7acfba5f20434d6c7a0eaa979968325dd613d474aa5b98e3a6c30.exe
      C:\Users\Admin\AppData\Local\Temp\84423e0a10f7acfba5f20434d6c7a0eaa979968325dd613d474aa5b98e3a6c30.exe
      2⤵
      • Enumerates connected drives
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1396
      • C:\Users\Admin\AppData\Local\Temp\84423e0a10f7acfba5f20434d6c7a0eaa979968325dd613d474aa5b98e3a6c30.exe
        C:\Users\Admin\AppData\Local\Temp\84423e0a10f7acfba5f20434d6c7a0eaa979968325dd613d474aa5b98e3a6c30.exe
        3⤵
        • Enumerates connected drives
        • Suspicious behavior: EnumeratesProcesses
        PID:572
    • C:\Users\Admin\AppData\Local\Temp\84423e0a10f7acfba5f20434d6c7a0eaa979968325dd613d474aa5b98e3a6c30.exe
      C:\Users\Admin\AppData\Local\Temp\84423e0a10f7acfba5f20434d6c7a0eaa979968325dd613d474aa5b98e3a6c30.exe
      2⤵
      • Enumerates connected drives
      • Suspicious behavior: EnumeratesProcesses
      PID:1992

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • \Windows\SysWOW64\ftpdll.dll

    Filesize

    5KB

    MD5

    d807aa04480d1d149f7a4cac22984188

    SHA1

    ffd5be65fd10017e34c11cecd105ebf4aa6c0cd9

    SHA256

    eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb

    SHA512

    875543583c20ab164f37a4fb2587d234ce0a15d649d22b0d1dae5933f0a7683db170578746ea4458c51fec26e2243c6ec00dc10db8d4289789e50d5800cf863e

  • memory/572-68-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/572-64-0x0000000000000000-mapping.dmp

  • memory/912-55-0x0000000000000000-mapping.dmp

  • memory/1396-67-0x0000000000270000-0x0000000000293000-memory.dmp

    Filesize

    140KB

  • memory/1396-60-0x0000000000000000-mapping.dmp

  • memory/1396-62-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/1980-58-0x0000000002AE0000-0x0000000002B03000-memory.dmp

    Filesize

    140KB

  • memory/1980-61-0x0000000010000000-0x000000001010B000-memory.dmp

    Filesize

    1.0MB

  • memory/1980-57-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/1980-54-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/1980-65-0x0000000002AE0000-0x0000000002B03000-memory.dmp

    Filesize

    140KB

  • memory/1980-56-0x0000000075761000-0x0000000075763000-memory.dmp

    Filesize

    8KB

  • memory/1980-69-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB

  • memory/1980-70-0x0000000010000000-0x000000001010B000-memory.dmp

    Filesize

    1.0MB

  • memory/1992-63-0x0000000000000000-mapping.dmp

  • memory/1992-66-0x0000000000400000-0x0000000000423000-memory.dmp

    Filesize

    140KB