Analysis

  • max time kernel
    21s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 11:09

General

  • Target

    25235495fd6c467c26f70e23514035d884fa169cb7a0a4d60548364f7718aa8a.exe

  • Size

    116KB

  • MD5

    7fdf1177ae26859ce367d4cd76a712d1

  • SHA1

    3410dbe2e502ccd791b05bb919bc2814d1275bca

  • SHA256

    25235495fd6c467c26f70e23514035d884fa169cb7a0a4d60548364f7718aa8a

  • SHA512

    a4ea6c2dcc05e72ec62b4c8c98b9560e1608e447cb36cb7e6a15cf7a36044bae3cbaea6f7daac56ee8f757e1e08c98ccc8f5fb9fb7d6431f38d2c3c7c361a88c

  • SSDEEP

    3072:gtuA/sk2uoYzVzSeQ7fFcO73V+cQhkv3NhF:gtTogSztD738cQhQ9hF

Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\25235495fd6c467c26f70e23514035d884fa169cb7a0a4d60548364f7718aa8a.exe
    "C:\Users\Admin\AppData\Local\Temp\25235495fd6c467c26f70e23514035d884fa169cb7a0a4d60548364f7718aa8a.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1852
    • C:\Users\Admin\AppData\Roaming\SdTr.exe
      "C:\Users\Admin\AppData\Roaming\SdTr.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1368
      • C:\Users\Admin\AppData\Roaming\SdTr.exe
        "C:\Users\Admin\AppData\Roaming\SdTr.exe"
        3⤵
        • Executes dropped EXE
        PID:1748

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\SdTr.exe

    Filesize

    116KB

    MD5

    7fdf1177ae26859ce367d4cd76a712d1

    SHA1

    3410dbe2e502ccd791b05bb919bc2814d1275bca

    SHA256

    25235495fd6c467c26f70e23514035d884fa169cb7a0a4d60548364f7718aa8a

    SHA512

    a4ea6c2dcc05e72ec62b4c8c98b9560e1608e447cb36cb7e6a15cf7a36044bae3cbaea6f7daac56ee8f757e1e08c98ccc8f5fb9fb7d6431f38d2c3c7c361a88c

  • C:\Users\Admin\AppData\Roaming\SdTr.exe

    Filesize

    116KB

    MD5

    7fdf1177ae26859ce367d4cd76a712d1

    SHA1

    3410dbe2e502ccd791b05bb919bc2814d1275bca

    SHA256

    25235495fd6c467c26f70e23514035d884fa169cb7a0a4d60548364f7718aa8a

    SHA512

    a4ea6c2dcc05e72ec62b4c8c98b9560e1608e447cb36cb7e6a15cf7a36044bae3cbaea6f7daac56ee8f757e1e08c98ccc8f5fb9fb7d6431f38d2c3c7c361a88c

  • C:\Users\Admin\AppData\Roaming\SdTr.exe

    Filesize

    116KB

    MD5

    7fdf1177ae26859ce367d4cd76a712d1

    SHA1

    3410dbe2e502ccd791b05bb919bc2814d1275bca

    SHA256

    25235495fd6c467c26f70e23514035d884fa169cb7a0a4d60548364f7718aa8a

    SHA512

    a4ea6c2dcc05e72ec62b4c8c98b9560e1608e447cb36cb7e6a15cf7a36044bae3cbaea6f7daac56ee8f757e1e08c98ccc8f5fb9fb7d6431f38d2c3c7c361a88c

  • \Users\Admin\AppData\Roaming\SdTr.exe

    Filesize

    116KB

    MD5

    7fdf1177ae26859ce367d4cd76a712d1

    SHA1

    3410dbe2e502ccd791b05bb919bc2814d1275bca

    SHA256

    25235495fd6c467c26f70e23514035d884fa169cb7a0a4d60548364f7718aa8a

    SHA512

    a4ea6c2dcc05e72ec62b4c8c98b9560e1608e447cb36cb7e6a15cf7a36044bae3cbaea6f7daac56ee8f757e1e08c98ccc8f5fb9fb7d6431f38d2c3c7c361a88c

  • \Users\Admin\AppData\Roaming\SdTr.exe

    Filesize

    116KB

    MD5

    7fdf1177ae26859ce367d4cd76a712d1

    SHA1

    3410dbe2e502ccd791b05bb919bc2814d1275bca

    SHA256

    25235495fd6c467c26f70e23514035d884fa169cb7a0a4d60548364f7718aa8a

    SHA512

    a4ea6c2dcc05e72ec62b4c8c98b9560e1608e447cb36cb7e6a15cf7a36044bae3cbaea6f7daac56ee8f757e1e08c98ccc8f5fb9fb7d6431f38d2c3c7c361a88c

  • memory/1368-59-0x0000000000000000-mapping.dmp

  • memory/1748-67-0x0000000000400000-0x00000000009CA000-memory.dmp

    Filesize

    5.8MB

  • memory/1748-65-0x0000000000400000-0x00000000009CA000-memory.dmp

    Filesize

    5.8MB

  • memory/1748-68-0x0000000000400000-0x00000000009CA000-memory.dmp

    Filesize

    5.8MB

  • memory/1748-69-0x0000000000400000-0x00000000009CA000-memory.dmp

    Filesize

    5.8MB

  • memory/1748-70-0x0000000000400000-0x00000000009CA000-memory.dmp

    Filesize

    5.8MB

  • memory/1748-71-0x0000000000400000-0x00000000009CA000-memory.dmp

    Filesize

    5.8MB

  • memory/1748-72-0x0000000000400000-0x00000000009CA000-memory.dmp

    Filesize

    5.8MB

  • memory/1748-73-0x0000000000400000-0x00000000009CA000-memory.dmp

    Filesize

    5.8MB

  • memory/1748-76-0x0000000000400000-0x00000000009CA000-memory.dmp

    Filesize

    5.8MB

  • memory/1748-64-0x0000000000400000-0x00000000009CA000-memory.dmp

    Filesize

    5.8MB

  • memory/1748-74-0x00000000009C9000-mapping.dmp

  • memory/1748-77-0x0000000000400000-0x00000000009CA000-memory.dmp

    Filesize

    5.8MB

  • memory/1852-56-0x0000000075521000-0x0000000075523000-memory.dmp

    Filesize

    8KB