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Analysis

  • max time kernel
    142s
  • max time network
    132s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    01/11/2023, 09:36

General

  • Target

    1a961241b3b092cc75c5ab17279757fffc4898139eb77254ee8769ab0ecd9a9f.exe

  • Size

    5.5MB

  • MD5

    3293165b626bbef81b54d890f7e4001c

  • SHA1

    3aeaa87cb7c70cc244ee0e9aca07abaf65c57cd7

  • SHA256

    1a961241b3b092cc75c5ab17279757fffc4898139eb77254ee8769ab0ecd9a9f

  • SHA512

    ca661b8923a334fb4910ebf2d4bdc8d9081f7c75024276c13d3553a81e0d9ffc8d584be4f350e60ecb348c6b5c9eee2f6e372c463149c7c874a3f02d991032af

  • SSDEEP

    98304:t1RJXOJgdzsOz5yG46LA6BKEKDWsb7Jx1KkmMHpA1kLBke0Q/W6nGHmt5PvNZyxC:t1RJXOJgdzsOz5yG46LA6BKEKDWsb7J3

Malware Config

Signatures

  • Sets service image path in registry 2 TTPs 1 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 2 IoCs
  • UPX packed file 44 IoCs

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

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

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

  • Drops file in Windows directory 1 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1a961241b3b092cc75c5ab17279757fffc4898139eb77254ee8769ab0ecd9a9f.exe
    "C:\Users\Admin\AppData\Local\Temp\1a961241b3b092cc75c5ab17279757fffc4898139eb77254ee8769ab0ecd9a9f.exe"
    1⤵
    • Sets service image path in registry
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2248
    • C:\Windows\SysWOW64\cacls.exe
      cacls C:\Users\Admin\AppData\Local\Temp\1a961241b3b092cc75c5ab17279757fffc4898139eb77254ee8769ab0ecd9a9f.exe /e /p administrators:n
      2⤵
        PID:1176

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • \Users\Admin\AppData\Local\Temp\RegDm.dll

      Filesize

      52KB

      MD5

      fdc8b75a37017141831e3421479307be

      SHA1

      f6a08cc570d5e5bc4218da376ca353d46d62790d

      SHA256

      2a37ce301490bd4b7c5d02b768b054705fe4620db6ef81061718c1fe89c9f27e

      SHA512

      d74e2de28523317c928965affa464cef6ba5c4da9ab05d30a79a4d3bbb59284d68331b5735c705cf73e155cf3a42b01ef5cd7219c72c242eed6b711090066537

    • \Users\Admin\AppData\Local\Temp\dm.dll

      Filesize

      3.4MB

      MD5

      2a6cc4731c75e9b721400d7ae9359943

      SHA1

      9f97fe6b8ccd0a9059d001cf5428993ab7bc2e9a

      SHA256

      75414c62f7489fe3e9b99418956791596d8b068a97d79da72fc728f93a1a8da9

      SHA512

      16ca96a4ab43ac4c952c4e03fc1673dcfe8b3e2b74c50c87c28cca82ab3918636bd911aa0bef091c64eadc9fb007910d695cd78a31727ba0fdde1efa61dcc795

    • memory/2248-8-0x0000000077E9F000-0x0000000077EA0000-memory.dmp

      Filesize

      4KB

    • memory/2248-7-0x000000006FFF0000-0x0000000070000000-memory.dmp

      Filesize

      64KB

    • memory/2248-6-0x0000000077E80000-0x0000000078000000-memory.dmp

      Filesize

      1.5MB

    • memory/2248-5-0x0000000077E9F000-0x0000000077EA0000-memory.dmp

      Filesize

      4KB

    • memory/2248-9-0x0000000077E80000-0x0000000078000000-memory.dmp

      Filesize

      1.5MB

    • memory/2248-10-0x00000000002F0000-0x00000000002F1000-memory.dmp

      Filesize

      4KB

    • memory/2248-11-0x0000000000AC0000-0x0000000000AFE000-memory.dmp

      Filesize

      248KB

    • memory/2248-13-0x0000000000AC0000-0x0000000000AFE000-memory.dmp

      Filesize

      248KB

    • memory/2248-15-0x0000000000AC0000-0x0000000000AFE000-memory.dmp

      Filesize

      248KB

    • memory/2248-14-0x0000000000AC0000-0x0000000000AFE000-memory.dmp

      Filesize

      248KB

    • memory/2248-17-0x0000000000AC0000-0x0000000000AFE000-memory.dmp

      Filesize

      248KB

    • memory/2248-16-0x0000000000AC0000-0x0000000000AFE000-memory.dmp

      Filesize

      248KB

    • memory/2248-19-0x0000000000AC0000-0x0000000000AFE000-memory.dmp

      Filesize

      248KB

    • memory/2248-21-0x0000000000AC0000-0x0000000000AFE000-memory.dmp

      Filesize

      248KB

    • memory/2248-23-0x0000000000AC0000-0x0000000000AFE000-memory.dmp

      Filesize

      248KB

    • memory/2248-25-0x0000000000AC0000-0x0000000000AFE000-memory.dmp

      Filesize

      248KB

    • memory/2248-28-0x0000000000AC0000-0x0000000000AFE000-memory.dmp

      Filesize

      248KB

    • memory/2248-30-0x0000000000AC0000-0x0000000000AFE000-memory.dmp

      Filesize

      248KB

    • memory/2248-32-0x0000000000AC0000-0x0000000000AFE000-memory.dmp

      Filesize

      248KB

    • memory/2248-35-0x0000000000AC0000-0x0000000000AFE000-memory.dmp

      Filesize

      248KB

    • memory/2248-41-0x0000000000AC0000-0x0000000000AFE000-memory.dmp

      Filesize

      248KB

    • memory/2248-39-0x0000000000AC0000-0x0000000000AFE000-memory.dmp

      Filesize

      248KB

    • memory/2248-37-0x0000000000AC0000-0x0000000000AFE000-memory.dmp

      Filesize

      248KB

    • memory/2248-44-0x0000000000AC0000-0x0000000000AFE000-memory.dmp

      Filesize

      248KB

    • memory/2248-46-0x0000000000AC0000-0x0000000000AFE000-memory.dmp

      Filesize

      248KB

    • memory/2248-50-0x0000000000AC0000-0x0000000000AFE000-memory.dmp

      Filesize

      248KB

    • memory/2248-48-0x0000000000AC0000-0x0000000000AFE000-memory.dmp

      Filesize

      248KB

    • memory/2248-53-0x0000000000AC0000-0x0000000000AFE000-memory.dmp

      Filesize

      248KB

    • memory/2248-55-0x0000000000AC0000-0x0000000000AFE000-memory.dmp

      Filesize

      248KB

    • memory/2248-59-0x0000000000AC0000-0x0000000000AFE000-memory.dmp

      Filesize

      248KB

    • memory/2248-57-0x0000000000AC0000-0x0000000000AFE000-memory.dmp

      Filesize

      248KB

    • memory/2248-62-0x0000000000AC0000-0x0000000000AFE000-memory.dmp

      Filesize

      248KB

    • memory/2248-70-0x0000000004B20000-0x0000000004FFF000-memory.dmp

      Filesize

      4.9MB

    • memory/2248-71-0x0000000000AC0000-0x0000000000AFE000-memory.dmp

      Filesize

      248KB

    • memory/2248-72-0x0000000005100000-0x000000000591B000-memory.dmp

      Filesize

      8.1MB

    • memory/2248-73-0x0000000005990000-0x000000000628A000-memory.dmp

      Filesize

      9.0MB

    • memory/2248-74-0x0000000002C70000-0x0000000002C72000-memory.dmp

      Filesize

      8KB

    • memory/2248-76-0x0000000003B40000-0x0000000003B56000-memory.dmp

      Filesize

      88KB

    • memory/2248-77-0x0000000005100000-0x0000000005101000-memory.dmp

      Filesize

      4KB

    • memory/2248-78-0x0000000005370000-0x000000000537A000-memory.dmp

      Filesize

      40KB

    • memory/2248-79-0x0000000004B20000-0x0000000004FFF000-memory.dmp

      Filesize

      4.9MB

    • memory/2248-80-0x0000000005100000-0x000000000591B000-memory.dmp

      Filesize

      8.1MB

    • memory/2248-81-0x0000000004B20000-0x0000000004FFF000-memory.dmp

      Filesize

      4.9MB

    • memory/2248-82-0x00000000054B0000-0x00000000054BA000-memory.dmp

      Filesize

      40KB

    • memory/2248-83-0x00000000054B0000-0x00000000054BA000-memory.dmp

      Filesize

      40KB

    • memory/2248-84-0x00000000767C0000-0x00000000768C0000-memory.dmp

      Filesize

      1024KB

    • memory/2248-85-0x0000000005990000-0x000000000628A000-memory.dmp

      Filesize

      9.0MB

    • memory/2248-87-0x0000000003B40000-0x0000000003B56000-memory.dmp

      Filesize

      88KB

    • memory/2248-88-0x0000000005370000-0x000000000537A000-memory.dmp

      Filesize

      40KB

    • memory/2248-89-0x0000000005370000-0x000000000537A000-memory.dmp

      Filesize

      40KB

    • memory/2248-90-0x00000000054B0000-0x00000000054BA000-memory.dmp

      Filesize

      40KB

    • memory/2248-91-0x0000000004B20000-0x0000000004FFF000-memory.dmp

      Filesize

      4.9MB

    • memory/2248-92-0x00000000054B0000-0x00000000054BA000-memory.dmp

      Filesize

      40KB

    • memory/2248-93-0x00000000767C0000-0x00000000768C0000-memory.dmp

      Filesize

      1024KB

    • memory/2248-94-0x0000000004B20000-0x0000000004FFF000-memory.dmp

      Filesize

      4.9MB

    • memory/2248-95-0x0000000004B20000-0x0000000004FFF000-memory.dmp

      Filesize

      4.9MB

    • memory/2248-96-0x0000000004B20000-0x0000000004FFF000-memory.dmp

      Filesize

      4.9MB

    • memory/2248-97-0x0000000004B20000-0x0000000004FFF000-memory.dmp

      Filesize

      4.9MB

    • memory/2248-98-0x0000000004B20000-0x0000000004FFF000-memory.dmp

      Filesize

      4.9MB

    • memory/2248-99-0x0000000004B20000-0x0000000004FFF000-memory.dmp

      Filesize

      4.9MB

    • memory/2248-100-0x0000000004B20000-0x0000000004FFF000-memory.dmp

      Filesize

      4.9MB

    • memory/2248-101-0x0000000004B20000-0x0000000004FFF000-memory.dmp

      Filesize

      4.9MB

    • memory/2248-102-0x0000000004B20000-0x0000000004FFF000-memory.dmp

      Filesize

      4.9MB

    • memory/2248-103-0x0000000004B20000-0x0000000004FFF000-memory.dmp

      Filesize

      4.9MB

    • memory/2248-104-0x0000000004B20000-0x0000000004FFF000-memory.dmp

      Filesize

      4.9MB

    • memory/2248-105-0x0000000004B20000-0x0000000004FFF000-memory.dmp

      Filesize

      4.9MB