Analysis

  • max time kernel
    149s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/09/2024, 04:27

General

  • Target

    f1f057cf0b75cf8077045f90e8b1939ce54c5cec5b35d0f853948ea3cdd4ee81.exe

  • Size

    717KB

  • MD5

    2233607fd7b1ba5067a3f69f88c2d715

  • SHA1

    cf8a0ae2d350d17e5c0c52b37a06749b06c62022

  • SHA256

    f1f057cf0b75cf8077045f90e8b1939ce54c5cec5b35d0f853948ea3cdd4ee81

  • SHA512

    4eb96bd98a1478022f107f705ba3f71f8479f2621d037563faee97c64645640d8bfb39b27ea6b567166b93527159c04c56319396687388b3e6a6a659405a096f

  • SSDEEP

    12288:23WFjJfC6Aj+TN5uixZN+8rKhUdTC/wE1ZD0Ca5ZIXV:23M9LOS2opPIXV

Malware Config

Signatures

  • Drops file in Drivers directory 2 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

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

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3424
      • C:\Users\Admin\AppData\Local\Temp\f1f057cf0b75cf8077045f90e8b1939ce54c5cec5b35d0f853948ea3cdd4ee81.exe
        "C:\Users\Admin\AppData\Local\Temp\f1f057cf0b75cf8077045f90e8b1939ce54c5cec5b35d0f853948ea3cdd4ee81.exe"
        2⤵
        • Drops file in Drivers directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4932
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2496
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:1100
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$aD532.bat
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:5072
          • C:\Users\Admin\AppData\Local\Temp\f1f057cf0b75cf8077045f90e8b1939ce54c5cec5b35d0f853948ea3cdd4ee81.exe
            "C:\Users\Admin\AppData\Local\Temp\f1f057cf0b75cf8077045f90e8b1939ce54c5cec5b35d0f853948ea3cdd4ee81.exe"
            4⤵
            • Executes dropped EXE
            PID:2176
        • C:\Windows\Logo1_.exe
          C:\Windows\Logo1_.exe
          3⤵
          • Drops file in Drivers directory
          • Drops startup file
          • Executes dropped EXE
          • Enumerates connected drives
          • Drops file in Program Files directory
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1784
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1512
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:4380
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1692
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2808

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe

      Filesize

      251KB

      MD5

      36d559f567b4758e41335a8a07add622

      SHA1

      c177f05ce3499d14bb28a665c98e99c5e26ad325

      SHA256

      6df860484f22b33b2b362509947621211eabf0a6c0624c775a861e92f7b10769

      SHA512

      e96c89dd1c2a151093422028b8b12acc039c73bde60cd17feccd468efd4878a51c99699946a22cb3c0aa98df82e5a4879683c47636c43b8e5eff63bddd1f8de2

    • C:\Program Files\7-Zip\7z.exe

      Filesize

      577KB

      MD5

      a5d59bdc9dbf84ad14da7a4b5353648b

      SHA1

      2c36132d43fb6eaf053b5e313469d09831b5a86a

      SHA256

      04020c6a2e54217c73d13bb0868a5adf96d36f353eb1b7e8423245ca20d520be

      SHA512

      efba7cb81d2f8f7207d5c448c688cf95358d22028f7c064e5ca36c484b294ef1e7035a8bfdd25c1c3061759531a0dca2f7c0509bd6e98fb2ae5999fd0e1d9b62

    • C:\ProgramData\Package Cache\{63880b41-04fc-4f9b-92c4-4455c255eb8c}\windowsdesktop-runtime-8.0.2-win-x64.exe

      Filesize

      644KB

      MD5

      b683d08031e54ea6942378775fcacdf7

      SHA1

      a2e7e8911ab44ce6e768058d02e2d68a8b093c7d

      SHA256

      7d2c375e7c1e52dfb0254cab9fb3816c5a1ba987b44910dcbbc5f0b3b8294070

      SHA512

      68d53577071249f8e4a5a70713c9b82a295bde488e00cb5c5287ed7c78a5195829eb65c83ddee6f64f6da085d3c0b0723249464044f20088b76aa631dff72599

    • C:\Users\Admin\AppData\Local\Temp\$$aD532.bat

      Filesize

      722B

      MD5

      db96dd535cee6326f9cc9b8e88535803

      SHA1

      3757f7cc4fe502a1a4a9f5f0fe85c2a171fc0b8c

      SHA256

      d0ae60a3a0ee563c4fadee0e14eafb186726a8253bb214ac1d5674505f9f8284

      SHA512

      399baa0b7b7af7bcb2d7e8984b1e76acdf0cdeb29aeb21fb31820a15c76e913105154a2b911ae8a058f195ef838d6ec0e7281bc558852cb44eb4c92fd95a79b0

    • C:\Users\Admin\AppData\Local\Temp\f1f057cf0b75cf8077045f90e8b1939ce54c5cec5b35d0f853948ea3cdd4ee81.exe.exe

      Filesize

      684KB

      MD5

      50f289df0c19484e970849aac4e6f977

      SHA1

      3dc77c8830836ab844975eb002149b66da2e10be

      SHA256

      b9b179b305c5268ad428b6ae59de10b4fe99cf0199bbc89b7017181905e97305

      SHA512

      877d852ea1062b90e2fd2f3c4dc7d05d9697e9a9b2929c830a770b62741f6a11e06de73275eb871113f11143faf1cb40d99f7c247862ffb778d26833ed5d7e38

    • C:\Windows\Logo1_.exe

      Filesize

      33KB

      MD5

      6d586ac2bb64f07330035c899711c07b

      SHA1

      514323c069ae4d4d6993c0eea9bec585476cf8c5

      SHA256

      875ebcd4a1bab1fc1bb872ff320de3f4e9e86cc92c9bfc7715378c3248f88df5

      SHA512

      1f51607712145a9c19bc7b5d4859f9329619576f7be6d87d69d3d36cac7462f887e5a8af0311e4fd192eec53afd34e45ade76077b329241c956f897b07670f80

    • C:\Windows\system32\drivers\etc\hosts

      Filesize

      842B

      MD5

      6f4adf207ef402d9ef40c6aa52ffd245

      SHA1

      4b05b495619c643f02e278dede8f5b1392555a57

      SHA256

      d9704dab05e988be3e5e7b7c020bb9814906d11bb9c31ad80d4ed1316f6bc94e

      SHA512

      a6306bd200a26ea78192ae5b00cc49cfab3fba025fe7233709a4e62db0f9ed60030dce22b34afe57aad86a098c9a8c44e080cedc43227cb87ef4690baec35b47

    • F:\$RECYCLE.BIN\S-1-5-21-2412658365-3084825385-3340777666-1000\_desktop.ini

      Filesize

      9B

      MD5

      9f88a7249d726e0d4ebea8ef2b661d98

      SHA1

      f68a9700c917086c68acd41e85887dc8fcc4c2c3

      SHA256

      969f39ddb9e19420959783eb412b391e2c49b99261750aa2716b781fabcc0f3b

      SHA512

      f68c4e069aeefc665d8c92f0c734098e4de0f4b1bea40dd72510827a49f9bd2ef6dd5b606d05cb0716630f1f27f471c3cf7d036442f34c3faa4f905d6101e21f

    • memory/1784-19-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/1784-2915-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/1784-11-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/1784-8726-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/4932-0-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/4932-9-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB