Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    13/10/2024, 18:19

General

  • Target

    05f412e900dcd074380eeaa7bda4c8e95d8e276353867d68ad8d261dbd433f67.exe

  • Size

    208KB

  • MD5

    be19846d55bddda28c0be81c3cdbb835

  • SHA1

    e901993a98a3611a90c6c6c903f7e6415b14b87f

  • SHA256

    05f412e900dcd074380eeaa7bda4c8e95d8e276353867d68ad8d261dbd433f67

  • SHA512

    1b6a7c1ac14dede1ba20f80ce5fb92514a611df54e169a1c1974465a950691e434a602b0d829503028163eb3900b4822cdcb19b71e80a9e79185e29f10ed0ad7

  • SSDEEP

    3072:qVzfDascJ5hrdVn0zrWwskaJDals3Aka4jd7e4NLthEjQT6+:qhfMrDnwRsJglyAka4ByQEjM

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\05f412e900dcd074380eeaa7bda4c8e95d8e276353867d68ad8d261dbd433f67.exe
    "C:\Users\Admin\AppData\Local\Temp\05f412e900dcd074380eeaa7bda4c8e95d8e276353867d68ad8d261dbd433f67.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2328
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\windows\OLJH.exe.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2252
      • C:\windows\OLJH.exe
        C:\windows\OLJH.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:1848

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Windows\OLJH.exe

          Filesize

          208KB

          MD5

          d18dd22960aeb3a1aa74ee224ffa0569

          SHA1

          b5f9efb0f33480406cd22769c99db7e4ff2c07d3

          SHA256

          fa096686e8463370214681284e3a8d60b4559eb592b3b0f93a06e4af8a249094

          SHA512

          88742d9fc961ee8acdca13ad10852c81440d35d77d82a495274459324537c63a374317b54c766d8449df90d58d58ac04e385e30a39b28a33c30d0c1d0d07b87c

        • C:\Windows\OLJH.exe.bat

          Filesize

          54B

          MD5

          a59ca273906aca7798cf5e5603fab166

          SHA1

          df233befc341eec83cbdfac8ef77ad73d60f766b

          SHA256

          62b83ad5a16358e19612e646294ad8a7b4f1b89874201cfc314dea4160688ec8

          SHA512

          d993cc8b4e525954277b99cc079dbd753141e479fe0986eda9409f5a02d38f5364dade406d78da86811ba3b696f68a6ec70d73c204a8a607bf39b9d953404593

        • memory/1848-16-0x0000000000400000-0x0000000000438000-memory.dmp

          Filesize

          224KB

        • memory/1848-17-0x0000000000400000-0x0000000000438000-memory.dmp

          Filesize

          224KB

        • memory/2328-0-0x0000000000400000-0x0000000000438000-memory.dmp

          Filesize

          224KB

        • memory/2328-12-0x0000000000400000-0x0000000000438000-memory.dmp

          Filesize

          224KB