Analysis

  • max time kernel
    151s
  • max time network
    80s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    03-10-2022 03:01

General

  • Target

    751cc9184210f15183a6df465d30a8f9904839e3312107615eba1d4b076e303a.exe

  • Size

    156KB

  • MD5

    5c175e39c39e7b441e5066d090479ca0

  • SHA1

    f2cb3e42fb44cdbd18f1d5ead5af65d3d34a23da

  • SHA256

    751cc9184210f15183a6df465d30a8f9904839e3312107615eba1d4b076e303a

  • SHA512

    3bea99bc97bb82cb64d226a40149048d2150080be77c6c743475f6b5a756d1a3fa7cc397c9f68bad992ff8844a2c153aeea7561a06dc75816a957c81d9701985

  • SSDEEP

    3072:DpJW7AiFgyqTRlU3NhCBvu9pjZEwDxdr8JrC9y:9JmORl+NhwWrjuwDQUA

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 53 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\751cc9184210f15183a6df465d30a8f9904839e3312107615eba1d4b076e303a.exe
    "C:\Users\Admin\AppData\Local\Temp\751cc9184210f15183a6df465d30a8f9904839e3312107615eba1d4b076e303a.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:944
    • C:\Users\Admin\teijau.exe
      "C:\Users\Admin\teijau.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:1852

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\teijau.exe

    Filesize

    156KB

    MD5

    761effda3c447a87de0c2b52dfa0d009

    SHA1

    80c1ac1387ee2cd9a5ddd9824bbaf56db27c6a3c

    SHA256

    cb709d5416d730e5449e0d5ab2999cdcc06ace28dd7e663cfb04493130f49c62

    SHA512

    8f4485047fa1ce508656d67745bd2b0048f4afc7e8f92c15ec62648dab14c62c00d72ad06a4abc196f1a8da3d3a5bb45fe5b0792158cc134a81d0d7436ad18c6

  • C:\Users\Admin\teijau.exe

    Filesize

    156KB

    MD5

    761effda3c447a87de0c2b52dfa0d009

    SHA1

    80c1ac1387ee2cd9a5ddd9824bbaf56db27c6a3c

    SHA256

    cb709d5416d730e5449e0d5ab2999cdcc06ace28dd7e663cfb04493130f49c62

    SHA512

    8f4485047fa1ce508656d67745bd2b0048f4afc7e8f92c15ec62648dab14c62c00d72ad06a4abc196f1a8da3d3a5bb45fe5b0792158cc134a81d0d7436ad18c6

  • \Users\Admin\teijau.exe

    Filesize

    156KB

    MD5

    761effda3c447a87de0c2b52dfa0d009

    SHA1

    80c1ac1387ee2cd9a5ddd9824bbaf56db27c6a3c

    SHA256

    cb709d5416d730e5449e0d5ab2999cdcc06ace28dd7e663cfb04493130f49c62

    SHA512

    8f4485047fa1ce508656d67745bd2b0048f4afc7e8f92c15ec62648dab14c62c00d72ad06a4abc196f1a8da3d3a5bb45fe5b0792158cc134a81d0d7436ad18c6

  • \Users\Admin\teijau.exe

    Filesize

    156KB

    MD5

    761effda3c447a87de0c2b52dfa0d009

    SHA1

    80c1ac1387ee2cd9a5ddd9824bbaf56db27c6a3c

    SHA256

    cb709d5416d730e5449e0d5ab2999cdcc06ace28dd7e663cfb04493130f49c62

    SHA512

    8f4485047fa1ce508656d67745bd2b0048f4afc7e8f92c15ec62648dab14c62c00d72ad06a4abc196f1a8da3d3a5bb45fe5b0792158cc134a81d0d7436ad18c6

  • memory/944-56-0x0000000075C61000-0x0000000075C63000-memory.dmp

    Filesize

    8KB

  • memory/1852-59-0x0000000000000000-mapping.dmp