Analysis

  • max time kernel
    150s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/10/2024, 16:17

General

  • Target

    545aea539cf2e804b8ea386de6dadfb0a41ac24b1688cba5de74b5f4ad0d8033.exe

  • Size

    368KB

  • MD5

    7a3997615d706fd077d1e2032308e73b

  • SHA1

    a1eecfb29235f6322f9655c9fcae8c71d32c7778

  • SHA256

    545aea539cf2e804b8ea386de6dadfb0a41ac24b1688cba5de74b5f4ad0d8033

  • SHA512

    ac9b0724574606351a56224d8cf6866b102ff55bf917891b8151cdddf93776696979af0e823ecb525f179c46bb23c1cdf4a64693726ded54f4bb231e5e370add

  • SSDEEP

    6144:bZ1oqzU66bkWmchVySqkvAH3qo0wWJC6G/SMT4FWqC:bZ1NU66b5zhVymA/XSRh

Malware Config

Signatures

  • 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 28 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3484
      • C:\Users\Admin\AppData\Local\Temp\545aea539cf2e804b8ea386de6dadfb0a41ac24b1688cba5de74b5f4ad0d8033.exe
        "C:\Users\Admin\AppData\Local\Temp\545aea539cf2e804b8ea386de6dadfb0a41ac24b1688cba5de74b5f4ad0d8033.exe"
        2⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:3648
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3668
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:744
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a9D69.bat
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1064
          • C:\Users\Admin\AppData\Local\Temp\545aea539cf2e804b8ea386de6dadfb0a41ac24b1688cba5de74b5f4ad0d8033.exe
            "C:\Users\Admin\AppData\Local\Temp\545aea539cf2e804b8ea386de6dadfb0a41ac24b1688cba5de74b5f4ad0d8033.exe"
            4⤵
            • Executes dropped EXE
            PID:2188
        • C:\Windows\Logo1_.exe
          C:\Windows\Logo1_.exe
          3⤵
          • 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:1968
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:3308
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2364
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1904
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:3700

    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

      c9bce56e6c73940b71a024d031d67e29

      SHA1

      c03ffbbc7e3837bc5cbabd2eacccecfff624607c

      SHA256

      c5743ab362bab4eb252577ea5c1fb1bf9dce9a6ec0db29ad2b29acd450c4c44b

      SHA512

      32e59e499a9d7a9c907e638a00f06e69f6ce00c87fec22d1cb0b2b40f5cc9668794cd7eac3fe590b4999f22dd6d927968cf0c21bff1c0af15eac381759a4ca27

    • C:\Program Files\7-Zip\7z.exe

      Filesize

      577KB

      MD5

      63dbbfc836380251ebca4f61580f1814

      SHA1

      6c16254aaeb7f1a86097f6c9220d092730bfe36e

      SHA256

      0cbdf5963d6e01bee0f4db2543b2295b97fc3e8ddf3fda5b38974e56a805fba5

      SHA512

      37033d1c0557af1f07399b4043f7cfd62e27cc5060c91b3179a96fb0c8401de57e566e77c3634d9c18cc41c19131476d359a5adbdb16f1891c6572f96fbb3d24

    • C:\Users\Admin\AppData\Local\Temp\$$a9D69.bat

      Filesize

      722B

      MD5

      d21b6d9318404a937d95bce381796c2c

      SHA1

      1495ee6822b9a5a0e3f9c4e57a547866daed7e09

      SHA256

      7211ab7754bdf1e891e58e5fb10d219d54bf2233d9f6392f806669022a996279

      SHA512

      d71a8497ee06de9a79a3f0ba7f9af88314bca03b083e36c840113a56bafd84c57f5eb94dc5228a69dc9997b4d3ad114a76f77a4dc491d2e23342e68b74a16307

    • C:\Users\Admin\AppData\Local\Temp\545aea539cf2e804b8ea386de6dadfb0a41ac24b1688cba5de74b5f4ad0d8033.exe.exe

      Filesize

      335KB

      MD5

      40ac62c087648ccc2c58dae066d34c98

      SHA1

      0e87efb6ddfe59e534ea9e829cad35be8563e5f7

      SHA256

      482c4c1562490e164d5f17990253373691aa5eab55a81c7f890fe9583a9ea916

      SHA512

      0c1ff13ff88409d54fee2ceb07fe65135ce2a9aa6f8da51ac0158abb2cfbb3a898ef26f476931986f1367622f21a7c0b0e742d0f4de8be6e215596b0d88c518f

    • C:\Windows\Logo1_.exe

      Filesize

      33KB

      MD5

      c4440056e06065be031cfa6acd94c763

      SHA1

      6c1f366e99fb096685fe30bab2f51d0a41dc7188

      SHA256

      878628fbd3611ca93730e8df7e81fa34165480a71e875cbfc192fb83f97e386e

      SHA512

      e8301dc938a9bc3b2205951171ca38d7c441e425d4d8e1e97ad82fb2b2f519ad4b9774d58b482183a50b769a7a16ec951ea828755c7433b454016b0fae2c86d4

    • F:\$RECYCLE.BIN\S-1-5-21-3756129449-3121373848-4276368241-1000\_desktop.ini

      Filesize

      10B

      MD5

      291aa08828faa68893c7f89a0dfc158b

      SHA1

      fcae3d190f0d8c14b44dc2be0b627b0680d2eab9

      SHA256

      f9e79f635e09441b5a073e6263a1d1de881c2105d7637650b5ec2d20f6a7c841

      SHA512

      9c80a5e3e37731eb0eba85b496e512dbfe08c77c207bcb41ad429d289e3d348e8e7b83ef00052c445581df37aa60729a4f0c2dd3ed0ed2e5d05a8758a23f1f38

    • memory/1968-8-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/1968-18-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/1968-4092-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/1968-8726-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/3648-0-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/3648-10-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB