Analysis

  • max time kernel
    175s
  • max time network
    91s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 19:33

General

  • Target

    3f13ea323b5b77bbabce806a7c20b8c2404e5c7ba4aa5611a92a10ac5ffe159b.exe

  • Size

    208KB

  • MD5

    a654f087963cb45cf19b591afa3b7210

  • SHA1

    d74f21d1e69c0b0500e981e0269e6f9a257370af

  • SHA256

    3f13ea323b5b77bbabce806a7c20b8c2404e5c7ba4aa5611a92a10ac5ffe159b

  • SHA512

    a46cd4424ba29908a741fc8abbc6fa68ef22a4f6852a0f01abac121174fa019169b47e772f7a6604a6b8737c7df246ef0190469c8eba7c1d5380552355b07bb0

  • SSDEEP

    1536:Vfuxw10lxJM5y8w5OZRVmgyDl+cWaxJcveQZNTRSb3EBAR1AlQPsxjheYhpXN5yh:f0OtF2Qo7VsJgisxlYegEX0ZZbW

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • UPX packed file 15 IoCs

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

  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3f13ea323b5b77bbabce806a7c20b8c2404e5c7ba4aa5611a92a10ac5ffe159b.exe
    "C:\Users\Admin\AppData\Local\Temp\3f13ea323b5b77bbabce806a7c20b8c2404e5c7ba4aa5611a92a10ac5ffe159b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:952
    • C:\Users\Admin\AppData\Local\Temp\3f13ea323b5b77bbabce806a7c20b8c2404e5c7ba4aa5611a92a10ac5ffe159b.exe
      "C:\Users\Admin\AppData\Local\Temp\3f13ea323b5b77bbabce806a7c20b8c2404e5c7ba4aa5611a92a10ac5ffe159b.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:888
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\HMIIU.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:268
        • C:\Windows\SysWOW64\reg.exe
          REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "svhust" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\svhust\svhust.exe" /f
          4⤵
          • Adds Run key to start application
          PID:1740
      • C:\Users\Admin\AppData\Roaming\svhust\svhust.exe
        "C:\Users\Admin\AppData\Roaming\svhust\svhust.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:628
        • C:\Users\Admin\AppData\Roaming\svhust\svhust.exe
          "C:\Users\Admin\AppData\Roaming\svhust\svhust.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:1604
        • C:\Users\Admin\AppData\Roaming\svhust\svhust.exe
          "C:\Users\Admin\AppData\Roaming\svhust\svhust.exe"
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Drops file in System32 directory
          • Suspicious use of FindShellTrayWindow
          PID:1052

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\HMIIU.bat
    Filesize

    141B

    MD5

    e83a2e0b3c1e03dfb96ffd9924117a45

    SHA1

    27a3e4ba115ba1bad0bf094f5b97e768d1ece33e

    SHA256

    655407d94fff9e707712a588d97a2017cc1c9d690a67c688ed0abcb79e452b13

    SHA512

    5f61686a3b7db3544d83a4f2ce1a75868c7dc266709f72a34eafecc3a26696a985b1912a559aed8f5a2cacbfe26be9beae2374340d1801bb18473de785557480

  • C:\Users\Admin\AppData\Roaming\svhust\svhust.exe
    Filesize

    208KB

    MD5

    bb0b5cabd19a350528932e75c72eb558

    SHA1

    bb3581fbcd82fdeb53b6e5cb866e4566af70c6a2

    SHA256

    a203d637d6be45666a3e4164f71129b30e49bdcfaceb78ae6f081ae749bb079a

    SHA512

    edd5e783a84552160d0c8c46370c4855858cd7905fdd2d3677d6714dde19b2764932c17e451ce75a39b40cbcd32b117c2bdc24b5a0e13369064e6c2a21151554

  • C:\Users\Admin\AppData\Roaming\svhust\svhust.exe
    Filesize

    208KB

    MD5

    bb0b5cabd19a350528932e75c72eb558

    SHA1

    bb3581fbcd82fdeb53b6e5cb866e4566af70c6a2

    SHA256

    a203d637d6be45666a3e4164f71129b30e49bdcfaceb78ae6f081ae749bb079a

    SHA512

    edd5e783a84552160d0c8c46370c4855858cd7905fdd2d3677d6714dde19b2764932c17e451ce75a39b40cbcd32b117c2bdc24b5a0e13369064e6c2a21151554

  • C:\Users\Admin\AppData\Roaming\svhust\svhust.exe
    Filesize

    208KB

    MD5

    bb0b5cabd19a350528932e75c72eb558

    SHA1

    bb3581fbcd82fdeb53b6e5cb866e4566af70c6a2

    SHA256

    a203d637d6be45666a3e4164f71129b30e49bdcfaceb78ae6f081ae749bb079a

    SHA512

    edd5e783a84552160d0c8c46370c4855858cd7905fdd2d3677d6714dde19b2764932c17e451ce75a39b40cbcd32b117c2bdc24b5a0e13369064e6c2a21151554

  • C:\Users\Admin\AppData\Roaming\svhust\svhust.exe
    Filesize

    208KB

    MD5

    bb0b5cabd19a350528932e75c72eb558

    SHA1

    bb3581fbcd82fdeb53b6e5cb866e4566af70c6a2

    SHA256

    a203d637d6be45666a3e4164f71129b30e49bdcfaceb78ae6f081ae749bb079a

    SHA512

    edd5e783a84552160d0c8c46370c4855858cd7905fdd2d3677d6714dde19b2764932c17e451ce75a39b40cbcd32b117c2bdc24b5a0e13369064e6c2a21151554

  • \Users\Admin\AppData\Roaming\svhust\svhust.exe
    Filesize

    208KB

    MD5

    bb0b5cabd19a350528932e75c72eb558

    SHA1

    bb3581fbcd82fdeb53b6e5cb866e4566af70c6a2

    SHA256

    a203d637d6be45666a3e4164f71129b30e49bdcfaceb78ae6f081ae749bb079a

    SHA512

    edd5e783a84552160d0c8c46370c4855858cd7905fdd2d3677d6714dde19b2764932c17e451ce75a39b40cbcd32b117c2bdc24b5a0e13369064e6c2a21151554

  • \Users\Admin\AppData\Roaming\svhust\svhust.exe
    Filesize

    208KB

    MD5

    bb0b5cabd19a350528932e75c72eb558

    SHA1

    bb3581fbcd82fdeb53b6e5cb866e4566af70c6a2

    SHA256

    a203d637d6be45666a3e4164f71129b30e49bdcfaceb78ae6f081ae749bb079a

    SHA512

    edd5e783a84552160d0c8c46370c4855858cd7905fdd2d3677d6714dde19b2764932c17e451ce75a39b40cbcd32b117c2bdc24b5a0e13369064e6c2a21151554

  • \Users\Admin\AppData\Roaming\svhust\svhust.exe
    Filesize

    208KB

    MD5

    bb0b5cabd19a350528932e75c72eb558

    SHA1

    bb3581fbcd82fdeb53b6e5cb866e4566af70c6a2

    SHA256

    a203d637d6be45666a3e4164f71129b30e49bdcfaceb78ae6f081ae749bb079a

    SHA512

    edd5e783a84552160d0c8c46370c4855858cd7905fdd2d3677d6714dde19b2764932c17e451ce75a39b40cbcd32b117c2bdc24b5a0e13369064e6c2a21151554

  • \Users\Admin\AppData\Roaming\svhust\svhust.exe
    Filesize

    208KB

    MD5

    bb0b5cabd19a350528932e75c72eb558

    SHA1

    bb3581fbcd82fdeb53b6e5cb866e4566af70c6a2

    SHA256

    a203d637d6be45666a3e4164f71129b30e49bdcfaceb78ae6f081ae749bb079a

    SHA512

    edd5e783a84552160d0c8c46370c4855858cd7905fdd2d3677d6714dde19b2764932c17e451ce75a39b40cbcd32b117c2bdc24b5a0e13369064e6c2a21151554

  • memory/268-71-0x0000000000000000-mapping.dmp
  • memory/628-82-0x00000000002CD000-0x00000000002E2000-memory.dmp
    Filesize

    84KB

  • memory/628-78-0x0000000000000000-mapping.dmp
  • memory/888-70-0x0000000075701000-0x0000000075703000-memory.dmp
    Filesize

    8KB

  • memory/888-58-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/888-107-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/888-69-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/888-66-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/888-65-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/888-63-0x00000000004085D0-mapping.dmp
  • memory/888-62-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/888-61-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/888-59-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/952-56-0x000000000058D000-0x00000000005A3000-memory.dmp
    Filesize

    88KB

  • memory/1052-108-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1052-98-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1052-100-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1052-102-0x0000000000476940-mapping.dmp
  • memory/1052-95-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1052-106-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1052-93-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1052-109-0x0000000074211000-0x0000000074213000-memory.dmp
    Filesize

    8KB

  • memory/1052-110-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1604-90-0x00000000004085D0-mapping.dmp
  • memory/1604-111-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1604-113-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1740-73-0x0000000000000000-mapping.dmp