Analysis

  • max time kernel
    281s
  • max time network
    334s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 18:34

General

  • Target

    c5dba8b872088eda313e76f722e3736c57af8bef1ecf75147e29ef6a175aca5b.exe

  • Size

    180KB

  • MD5

    0085cfa673c43eef918d943fba4ff801

  • SHA1

    2a6d187604b86bad60a52d9fccc2b29b1a20769e

  • SHA256

    c5dba8b872088eda313e76f722e3736c57af8bef1ecf75147e29ef6a175aca5b

  • SHA512

    acc9828585df59816109e2c2cf3f4ed419f2260c81c1eadd82ecdaf35921f345939e23b3e28ece40aa99ec16ee5047acf44bb9357e1b3261b9422135231d87b3

  • SSDEEP

    3072:yI+GdYRLoeEdRos/eaqFnqWDb+uTyLDC6s5sSYqGlC6YViZj5HQXZmmJ0yCFioxj:dHcKPpm2lC6YViZj5HQXZmmJ0yCF9Bxp

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\c5dba8b872088eda313e76f722e3736c57af8bef1ecf75147e29ef6a175aca5b.exe
    "C:\Users\Admin\AppData\Local\Temp\c5dba8b872088eda313e76f722e3736c57af8bef1ecf75147e29ef6a175aca5b.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:1488
    • C:\Users\Admin\joiaba.exe
      "C:\Users\Admin\joiaba.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:1808

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\joiaba.exe

    Filesize

    180KB

    MD5

    9044e10b5986a3795b85abe195382f2f

    SHA1

    6ce12b9841b8b75f79d898c6cdcf05b5ed04266b

    SHA256

    0ec5c2ed49227b4835638976d4b22c410e9a7ac4e3c65395c8003585d983bb0b

    SHA512

    c7ef1ffc7fd64441eae87c46178aaac229e45a9fcd35d4788ca85bb38e93be3699e66155b1b869e90174f8a040f0f7d4b95ae8c2c6bd0db1ce7ea79a4dc05e22

  • C:\Users\Admin\joiaba.exe

    Filesize

    180KB

    MD5

    9044e10b5986a3795b85abe195382f2f

    SHA1

    6ce12b9841b8b75f79d898c6cdcf05b5ed04266b

    SHA256

    0ec5c2ed49227b4835638976d4b22c410e9a7ac4e3c65395c8003585d983bb0b

    SHA512

    c7ef1ffc7fd64441eae87c46178aaac229e45a9fcd35d4788ca85bb38e93be3699e66155b1b869e90174f8a040f0f7d4b95ae8c2c6bd0db1ce7ea79a4dc05e22

  • \Users\Admin\joiaba.exe

    Filesize

    180KB

    MD5

    9044e10b5986a3795b85abe195382f2f

    SHA1

    6ce12b9841b8b75f79d898c6cdcf05b5ed04266b

    SHA256

    0ec5c2ed49227b4835638976d4b22c410e9a7ac4e3c65395c8003585d983bb0b

    SHA512

    c7ef1ffc7fd64441eae87c46178aaac229e45a9fcd35d4788ca85bb38e93be3699e66155b1b869e90174f8a040f0f7d4b95ae8c2c6bd0db1ce7ea79a4dc05e22

  • \Users\Admin\joiaba.exe

    Filesize

    180KB

    MD5

    9044e10b5986a3795b85abe195382f2f

    SHA1

    6ce12b9841b8b75f79d898c6cdcf05b5ed04266b

    SHA256

    0ec5c2ed49227b4835638976d4b22c410e9a7ac4e3c65395c8003585d983bb0b

    SHA512

    c7ef1ffc7fd64441eae87c46178aaac229e45a9fcd35d4788ca85bb38e93be3699e66155b1b869e90174f8a040f0f7d4b95ae8c2c6bd0db1ce7ea79a4dc05e22

  • memory/1488-56-0x0000000076771000-0x0000000076773000-memory.dmp

    Filesize

    8KB

  • memory/1808-59-0x0000000000000000-mapping.dmp