Analysis

  • max time kernel
    121s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    25/03/2024, 18:03

General

  • Target

    372b419c76cd1a83e9328d68d990a06a24c42e7aa6d824dbcbca7b04d5ec7825.exe

  • Size

    467KB

  • MD5

    9920ae0798381fbb8b1ac44989c2ba41

  • SHA1

    f186377fc948d06ffe43231ad2ebe1f5b4d02873

  • SHA256

    372b419c76cd1a83e9328d68d990a06a24c42e7aa6d824dbcbca7b04d5ec7825

  • SHA512

    c5dbdea66df8a092a36be6c4074672d13b82b701db07cc3f4badef883c4258051570680e6d2fbf7fa79649ebeb0f2bca5fc20adf87e82d73a489e013c2b244ce

  • SSDEEP

    6144:p2jWdaEaa66s8do9PNbn1lfF4jgfg9UwFX5WL0OeGHPD6XX6XREo0YTB9hVrBM2t:pWBm+95nHfF2mgewFX5cLuq6IBY21T

Score
7/10

Malware Config

Signatures

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

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

  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\372b419c76cd1a83e9328d68d990a06a24c42e7aa6d824dbcbca7b04d5ec7825.exe
    "C:\Users\Admin\AppData\Local\Temp\372b419c76cd1a83e9328d68d990a06a24c42e7aa6d824dbcbca7b04d5ec7825.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2360
    • C:\Users\Admin\AppData\Local\Temp\3C74.tmp
      "C:\Users\Admin\AppData\Local\Temp\3C74.tmp" --pingC:\Users\Admin\AppData\Local\Temp\372b419c76cd1a83e9328d68d990a06a24c42e7aa6d824dbcbca7b04d5ec7825.exe D867D2AC0FE76228F0CFC8AA69D4C90AB56D65FA34CF949445F0EADBECB8C838281DCC4DC0EDCC042F9FEF65BD62277B43F7863CD153EFECC08CDD8A733BA2DD
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:2972
      • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
        "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\372b419c76cd1a83e9328d68d990a06a24c42e7aa6d824dbcbca7b04d5ec7825.doc"
        3⤵
        • Drops file in Windows directory
        • Modifies Internet Explorer settings
        • Modifies registry class
        • Suspicious behavior: AddClipboardFormatListener
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2628
        • C:\Windows\splwow64.exe
          C:\Windows\splwow64.exe 12288
          4⤵
            PID:2412

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\372b419c76cd1a83e9328d68d990a06a24c42e7aa6d824dbcbca7b04d5ec7825.doc

            Filesize

            35KB

            MD5

            59975947e6db92e743655ebdf2e3c495

            SHA1

            5e967d85a4df28f9fed485156919a14fb411d18d

            SHA256

            83c9df8884ffd5b51bdbdb9314d587477ecf50c3144c6c230ded3a3041f24e05

            SHA512

            1cdc533bcc9bf50c69dd3a516c4fff8f24cf2ba9ecf1df885c12d4f459727b63c2d7f1a388ac0a4ac2fe59fe1bd5f5cb623001c736df33490fb245e06d7af692

          • C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm

            Filesize

            20KB

            MD5

            dde5dac104feb76f017ad2e722cfc658

            SHA1

            70573a89d03289790885c52029b5f0f6dfa54dd4

            SHA256

            9393d1b4b7fa641150ba3bd69139c60b6a97542c9639bf7f99b61632075f02ea

            SHA512

            b30675ccc21383853997ccc915c773ffab02333feaf6e1b53c3392242d233d69a7e048a3da63375ee19bf4d137216ec4181f3dee97cfd2888caebaffdb783d1c

          • C:\Users\Admin\AppData\Roaming\Microsoft\UProof\ExcludeDictionaryEN0409.lex

            Filesize

            2B

            MD5

            f3b25701fe362ec84616a93a45ce9998

            SHA1

            d62636d8caec13f04e28442a0a6fa1afeb024bbb

            SHA256

            b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

            SHA512

            98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

          • \Users\Admin\AppData\Local\Temp\3C74.tmp

            Filesize

            467KB

            MD5

            8bc86b9cad48594dc57f9bd2a13d6d90

            SHA1

            2b3456d92e388808b18f55d4860963a6922dd877

            SHA256

            dd7481c8315fa6c5382b731bd119ffe8bc6991d8715684771cd0351a64ca3fc3

            SHA512

            bec8384e5ffeb85c04f65859477cbfaacc74449fa5c739b53023c6088eafc91738aee88a9e0b653b040395133eef03c2dacf243ac588407eb74e9e2b0fb47ac2

          • memory/2360-6-0x0000000000400000-0x000000000047E000-memory.dmp

            Filesize

            504KB

          • memory/2360-0-0x0000000000400000-0x000000000047E000-memory.dmp

            Filesize

            504KB

          • memory/2628-12-0x000000005FFF0000-0x0000000060000000-memory.dmp

            Filesize

            64KB

          • memory/2628-13-0x000000007125D000-0x0000000071268000-memory.dmp

            Filesize

            44KB

          • memory/2628-10-0x000000002FE01000-0x000000002FE02000-memory.dmp

            Filesize

            4KB

          • memory/2628-32-0x000000007125D000-0x0000000071268000-memory.dmp

            Filesize

            44KB

          • memory/2628-47-0x000000005FFF0000-0x0000000060000000-memory.dmp

            Filesize

            64KB

          • memory/2972-11-0x0000000000400000-0x000000000047E000-memory.dmp

            Filesize

            504KB

          • memory/2972-7-0x0000000000400000-0x000000000047E000-memory.dmp

            Filesize

            504KB