Analysis

  • max time kernel
    133s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-07-2024 01:11

General

  • Target

    6cd8a052498b02d1f070d36dcc6540838193d35eee101c8c41de0a5dd634c44b.exe

  • Size

    2.0MB

  • MD5

    5251794e42d5d9e95309ebe4f6ea9151

  • SHA1

    6a47353cf0aba3e393130bb66d7e747f7d9c6660

  • SHA256

    6cd8a052498b02d1f070d36dcc6540838193d35eee101c8c41de0a5dd634c44b

  • SHA512

    a93ee7c9d3ccced5ce2ef3249c09159cf524b48c23139de4ecb7689548020de2172acfe1b134749d8614ab15d726e7a03fe5a06f887e75d70c3935a55995554d

  • SSDEEP

    24576:yTbBv5rUdxiUSDFRUq6RdVgP2lWZZIRLbhWgNM95vcJm0rez0X7Sma3dlmmgctuT:UBci/FRAnWSb/JnfTWe9HPiTVEyO

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 3 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 physical storage devices 1 TTPs

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

  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6cd8a052498b02d1f070d36dcc6540838193d35eee101c8c41de0a5dd634c44b.exe
    "C:\Users\Admin\AppData\Local\Temp\6cd8a052498b02d1f070d36dcc6540838193d35eee101c8c41de0a5dd634c44b.exe"
    1⤵
    • Checks computer location settings
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1516
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\BridgeMsChainreviewBroker\QGZV4gEZhWdI2xPJlBss86jAqfIGOr8L2x3YW0oQAF2lKE5w6P9d.vbe"
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:1428
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\BridgeMsChainreviewBroker\IHHWG.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4400
        • C:\BridgeMsChainreviewBroker\webFont.exe
          "C:\BridgeMsChainreviewBroker/webFont.exe"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:3508
          • C:\Windows\System32\cmd.exe
            "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\vQDGGogRJu.bat"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:2480
            • C:\Windows\system32\chcp.com
              chcp 65001
              6⤵
                PID:3088
              • C:\Windows\system32\w32tm.exe
                w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
                6⤵
                  PID:3316
                • C:\BridgeMsChainreviewBroker\csrss.exe
                  "C:\BridgeMsChainreviewBroker\csrss.exe"
                  6⤵
                  • Executes dropped EXE
                  • Suspicious behavior: GetForegroundWindowSpam
                  • Suspicious use of AdjustPrivilegeToken
                  PID:3364

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\BridgeMsChainreviewBroker\IHHWG.bat

        Filesize

        78B

        MD5

        e5d9ebb1906c5b64b10f98f1c54ef302

        SHA1

        f74b3cd0654c55083ff835cd19f46f8b99eacc32

        SHA256

        e1ddfaa9d7516fbf7dde55318d604d18f83ec1236e096ad113fb0ee72eb41dff

        SHA512

        9d921fc79d5de980dc5d7b75ae1a828a95d71938f1353456bfee80c43c53d53fb214af72419e44dc59668ce542784036bb7ee4b2c40cda3a9f02b58a6a98f133

      • C:\BridgeMsChainreviewBroker\QGZV4gEZhWdI2xPJlBss86jAqfIGOr8L2x3YW0oQAF2lKE5w6P9d.vbe

        Filesize

        208B

        MD5

        08b19bed5e5e46b38e206927681fa2bc

        SHA1

        99e75b198dd66178c12ffb4826a2e556f3cf1f1a

        SHA256

        cb0a2a3bb9273eb24c7344ae981f68bfc88b2d570b7eb149a3722a8907645ba7

        SHA512

        17c8d915c95276f9e295592cdc03d3345a0c254cbac3b7c560753ff438c126fa4180e23cf964852cfbcf2a7d35edc371280dd9d76e05f59dfce70564786c9fb7

      • C:\BridgeMsChainreviewBroker\webFont.exe

        Filesize

        1.7MB

        MD5

        5b575cdec6aa42b8ba173ed342b7dcb6

        SHA1

        3fe17672b9cca787b505234058a31a68278d701d

        SHA256

        30dbf81d2b4ead6a51efd24e9f31539bf3102acb1396b0e44492a17d2f4ede26

        SHA512

        fb99487dae0193e157ad0d70ace82b09b3541980f1cb2a6fee8599a814fa3710e5687e5c68e57bbf28c7bcdc042e238545b825c1ba1550c519de1e18a7a0a71f

      • C:\Users\Admin\AppData\Local\Temp\vQDGGogRJu.bat

        Filesize

        214B

        MD5

        df46fc4c1cb601f563a9773375557a09

        SHA1

        7bd25ab5072adfebef5b85a2c70206a8d5e8c5ca

        SHA256

        ee540fb3f1b05abbd49f91ce3df5f0319303517974b85f701a3c95dca2aa13ef

        SHA512

        149c6308394d2bd9f282441651120616768470bede0ddaa4285956cdf31e109916aceb81d23c19d1a5b86438678df98adad1ddfe313475716e6a0f7a657fb142

      • memory/3508-12-0x00007FFC41223000-0x00007FFC41225000-memory.dmp

        Filesize

        8KB

      • memory/3508-13-0x00000000006D0000-0x0000000000894000-memory.dmp

        Filesize

        1.8MB

      • memory/3508-15-0x00000000029D0000-0x00000000029EC000-memory.dmp

        Filesize

        112KB

      • memory/3508-16-0x000000001B550000-0x000000001B5A0000-memory.dmp

        Filesize

        320KB

      • memory/3508-18-0x00000000010B0000-0x00000000010BE000-memory.dmp

        Filesize

        56KB

      • memory/3508-20-0x00000000010D0000-0x00000000010DC000-memory.dmp

        Filesize

        48KB