Analysis

  • max time kernel
    149s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/10/2024, 10:23

General

  • Target

    4b8c8aaf2d17a444f7707531c8b8db95a8461a5037234790a69ddde1f0d3777a.exe

  • Size

    5.7MB

  • MD5

    108354968607f1d8f878b594abe4d7bb

  • SHA1

    79c19e3cfed2ce36b098028bae5db8c0badea1e5

  • SHA256

    4b8c8aaf2d17a444f7707531c8b8db95a8461a5037234790a69ddde1f0d3777a

  • SHA512

    92ab8a67b87c62970891c4942e926f92163e3cc3390afea55cc4ebb4bd557333764430561c977cfb167e1675382c75cc34c8a4233e8d7ee93f3aaeb3f5aa5002

  • SSDEEP

    49152:0d+Pv94AEsKU8ggw1g+1CART5eBiyKS3EI3wybn20DCYIHvc8ixuZm9+fWsw6dTP:0dAKUgTH2M2m9UMpu1QfLczqssnKSk

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 3 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 26 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3396
      • C:\Users\Admin\AppData\Local\Temp\4b8c8aaf2d17a444f7707531c8b8db95a8461a5037234790a69ddde1f0d3777a.exe
        "C:\Users\Admin\AppData\Local\Temp\4b8c8aaf2d17a444f7707531c8b8db95a8461a5037234790a69ddde1f0d3777a.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:2280
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3420
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:3028
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$aAC2E.bat
          3⤵
          • System Location Discovery: System Language Discovery
          PID:2932
          • C:\Users\Admin\AppData\Local\Temp\4b8c8aaf2d17a444f7707531c8b8db95a8461a5037234790a69ddde1f0d3777a.exe
            "C:\Users\Admin\AppData\Local\Temp\4b8c8aaf2d17a444f7707531c8b8db95a8461a5037234790a69ddde1f0d3777a.exe"
            4⤵
            • Executes dropped EXE
            PID:100
        • 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:1868
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1388
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:4972
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:880
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2012

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      Filesize

      251KB

      MD5

      2bafcbc645c521efd779667bf4140ad7

      SHA1

      73740e7d221009e3868d70854bf41bc0db9c2afb

      SHA256

      c6f3de917dc0a454020fa770737ff62405f8e0e2b543bc167573e9b9e54b03c5

      SHA512

      27f29a11c18c7c84ad52858df7eca4d6f96a11b47f7176cad00b3832e164b5bf68fc2e0283ad0a3339e8d6b821cd75507603f546148c4b54f58827a0aaf11ac1

    • C:\Program Files\7-Zip\7z.exe

      Filesize

      577KB

      MD5

      50327f431f57192ca3e24dce51664269

      SHA1

      70fd6cdc8182d3c748a7802c4b5f51502abfb5f9

      SHA256

      cf6d2c89c49002f8a4bb81d3cdebca46147fd1da6c333f082e18b59ad3617b97

      SHA512

      2e43f158f98e7a5e7f32e6819e5300c6b32990ecbaf83bf0ebc43aa1f4671ede81d6bc3bec960495c3cd68e08e419989998ecaf58cd28c6096a5d557c4b6f88b

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

      Filesize

      644KB

      MD5

      51c1eb02821359551eae62ff451ccbb4

      SHA1

      917e11eb8a26a033a330a9cee5c5207d0da1109a

      SHA256

      9afbb3fd781ea931d8bc856c768fe7af7e440e9f7a29950b5dca44593f0ef04f

      SHA512

      062f0c32d3d9b46fc670512a818c88919bcc90a2f7f5bd4910f917a96c42527fd6c28117c366cb66cd6bfa3ec64f5a43aadcaa4bdad01c8d45eb2bfe2c85f5ee

    • C:\Users\Admin\AppData\Local\Temp\$$aAC2E.bat

      Filesize

      722B

      MD5

      0533de18d3ea9715c0e5bd9eac62da5a

      SHA1

      2f5a0b8440b2c505d31b6f1ee4f87a302aecc2ae

      SHA256

      0cf78f0ec568d7f1ffb94bd3f955ce8f355017d15af45f7eb3f81fb76bd1ddee

      SHA512

      18cadccececdf9591ad96f4a22999388c84e030732d0e8859433ebef23550e7249c2f43e718f0bf7fbce1747623b83b3f548b8e39e07e9ab109d5e906c6947a3

    • C:\Users\Admin\AppData\Local\Temp\4b8c8aaf2d17a444f7707531c8b8db95a8461a5037234790a69ddde1f0d3777a.exe.exe

      Filesize

      5.7MB

      MD5

      ba18e99b3e17adb5b029eaebc457dd89

      SHA1

      ec0458f3c00d35b323f08d4e1cc2e72899429c38

      SHA256

      f5ee36de8edf9be2ac2752b219cfdcb7ca1677071b8e116cb876306e9f1b6628

      SHA512

      1f41929e6f5b555b60c411c7810cbf14e3af26100df5ac4533ec3739a278c1b925687284660efb4868e3741305098e2737836229efc9fe46c97a6057c10e677c

    • C:\Windows\Logo1_.exe

      Filesize

      33KB

      MD5

      65bbec40a1c4b9caa523d3345ac1efa5

      SHA1

      e85a3a25937012de9e98851ed276bcdbc2e3fe70

      SHA256

      600b168b19247d3dd4a472399a6187a1e22f838e863d357617541b9a5b066ec3

      SHA512

      de036926bdfcc46e2847ec17764548d95ca56dfe8355da45cdef785069b82427ad41b51ce7589ce8a52c1d6a1bb418fa31e72feb4c5ee12916d32b224c94cffe

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

      Filesize

      842B

      MD5

      6f4adf207ef402d9ef40c6aa52ffd245

      SHA1

      4b05b495619c643f02e278dede8f5b1392555a57

      SHA256

      d9704dab05e988be3e5e7b7c020bb9814906d11bb9c31ad80d4ed1316f6bc94e

      SHA512

      a6306bd200a26ea78192ae5b00cc49cfab3fba025fe7233709a4e62db0f9ed60030dce22b34afe57aad86a098c9a8c44e080cedc43227cb87ef4690baec35b47

    • F:\$RECYCLE.BIN\S-1-5-21-3227495264-2217614367-4027411560-1000\_desktop.ini

      Filesize

      10B

      MD5

      dce9bef24921d1fb94c029be04b911db

      SHA1

      d5ff43d520d5df3ee58c947db0b2ac3a039667b6

      SHA256

      c09fceb912fc9cf0f284d9d24ab0029af67d3a3bf08b81d9c0d8a7681b82c157

      SHA512

      cefdb984819b6b058b8d7747c2a9a74c94f6acf2728e884520154f2ffe42776f19b5a5b22b43b61acbb679acefb8489318c7be92e360a3b239ffaae445d6d97b

    • memory/1868-20-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/1868-2844-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/1868-9-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/1868-8744-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2280-0-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB

    • memory/2280-12-0x0000000000400000-0x000000000043E000-memory.dmp

      Filesize

      248KB