Analysis

  • max time kernel
    163s
  • max time network
    213s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 16:45

General

  • Target

    2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe

  • Size

    306KB

  • MD5

    756fae3b80bf129ce578006534c1413f

  • SHA1

    00ec3c18110067acd9014a27c366160f2ea18ab3

  • SHA256

    69b81b054100dc55fa61aa0edb9acdecccb84ab84fa37177b33e5d9814067633

  • SHA512

    10274e2d15f6c7990acee9dd6b8e4d3b30c5dc810321198257671862f125baecede3cb5193468f8361d3289fb4623cb3ab6a9f0caceb780eaa6e0e4ef4d1626e

  • SSDEEP

    6144:Ci37LbbWiaYUpwXV9RIKWn/TUVs8oL48N8lqFzc+tRJShtvUdJk:CO/izXrN8UbtPShoJk

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    1⤵
      PID:1116
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1252
      • C:\Users\Admin\AppData\Local\Temp\2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe
        "C:\Users\Admin\AppData\Local\Temp\2014_11rechnung_K4768955881_pdf_sign_telekom_de_deutschland_gmbh.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:280
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Roaming\MS8537~1.BAT"
          3⤵
          • Deletes itself
          PID:320
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1184
      • C:\Windows\system32\conhost.exe
        \??\C:\Windows\system32\conhost.exe "612174249-165895638116059697681022391782643582021-1700758102-325659442-1267915545"
        1⤵
          PID:1168

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Persistence

        Registry Run Keys / Startup Folder

        1
        T1060

        Defense Evasion

        Modify Registry

        1
        T1112

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Roaming\ms8537768.bat
          Filesize

          201B

          MD5

          32fe1da454966377ce5b31db065b49bb

          SHA1

          662af7be8acdf0c43a1adb0e5d3cfa9a6d72801e

          SHA256

          e3fa3cf7b4e82a375e3f35396b06bb32435dd146f085505c3ab506be7b245e7e

          SHA512

          56f8a87929cdb3c2a77125c078a790b05b346642fcfe7426017b2e7d8513fb5a3986d32b1da0794d404397ddad33a1fb9a8f12f2c65e5e650823dca797adbcd8

        • memory/280-54-0x0000000075EC1000-0x0000000075EC3000-memory.dmp
          Filesize

          8KB

        • memory/280-57-0x0000000000140000-0x000000000014E000-memory.dmp
          Filesize

          56KB

        • memory/280-58-0x0000000000E20000-0x0000000000E74000-memory.dmp
          Filesize

          336KB

        • memory/280-68-0x0000000000170000-0x0000000000184000-memory.dmp
          Filesize

          80KB

        • memory/320-59-0x0000000000000000-mapping.dmp
        • memory/320-78-0x00000000001D0000-0x00000000001E4000-memory.dmp
          Filesize

          80KB

        • memory/320-76-0x0000000037CF0000-0x0000000037D00000-memory.dmp
          Filesize

          64KB

        • memory/1116-74-0x0000000037B40000-0x0000000037B50000-memory.dmp
          Filesize

          64KB

        • memory/1116-81-0x0000000001B00000-0x0000000001B17000-memory.dmp
          Filesize

          92KB

        • memory/1168-77-0x0000000037B40000-0x0000000037B50000-memory.dmp
          Filesize

          64KB

        • memory/1168-79-0x0000000000060000-0x0000000000077000-memory.dmp
          Filesize

          92KB

        • memory/1184-75-0x0000000037B40000-0x0000000037B50000-memory.dmp
          Filesize

          64KB

        • memory/1184-82-0x00000000001A0000-0x00000000001B7000-memory.dmp
          Filesize

          92KB

        • memory/1252-62-0x0000000037B40000-0x0000000037B50000-memory.dmp
          Filesize

          64KB

        • memory/1252-60-0x0000000002AF0000-0x0000000002B07000-memory.dmp
          Filesize

          92KB

        • memory/1252-80-0x0000000002AF0000-0x0000000002B07000-memory.dmp
          Filesize

          92KB