Analysis

  • max time kernel
    141s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    08-01-2024 23:54

General

  • Target

    4cca065bb0330dffce620cf47d0aeb39.exe

  • Size

    176KB

  • MD5

    4cca065bb0330dffce620cf47d0aeb39

  • SHA1

    3319bf811d95207384609d7fa0278cdc14500718

  • SHA256

    e68fcfd1e7bc76c54c0e4dee8366871640d4035c7045e383eb4f6df65e075e79

  • SHA512

    744dd819f25abdff78d04b0c3d8875e936cdf17f3434ceaf3de377cd8e07e6e1304dc4288232743505b5ea2f8fc5301cae6e1b6a1fbbe56ac23f41958e6d80a2

  • SSDEEP

    3072:TuAPwqxrVzjpz1in36COUxRKqovt7ecDU9FUxtKmRl7nb4luO2I:p7ztzQD5AFdDUIxR64O2

Malware Config

Signatures

  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 8 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4cca065bb0330dffce620cf47d0aeb39.exe
    "C:\Users\Admin\AppData\Local\Temp\4cca065bb0330dffce620cf47d0aeb39.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2236
    • C:\Users\Admin\AppData\Local\Temp\4cca065bb0330dffce620cf47d0aeb39.exe
      C:\Users\Admin\AppData\Local\Temp\4cca065bb0330dffce620cf47d0aeb39.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
      2⤵
        PID:2576
      • C:\Users\Admin\AppData\Local\Temp\4cca065bb0330dffce620cf47d0aeb39.exe
        C:\Users\Admin\AppData\Local\Temp\4cca065bb0330dffce620cf47d0aeb39.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
        2⤵
          PID:3052

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Roaming\B9F3.8E3

        Filesize

        1KB

        MD5

        eba211005968c00080e0cc528ce8565a

        SHA1

        5fb6512d6343adc52e83060a7b79c20d04524528

        SHA256

        04684fa2fefde79704f0d282600311419d0e8334cf9e502b7dea856d263bae37

        SHA512

        9f38d18efedf0efc4208b22193036c467eca5b9bae22f0329cd170950208d6d2dbf8eeac059741360810ea10ce8213ba2da422faa350c46ff11f4af1289ec645

      • C:\Users\Admin\AppData\Roaming\B9F3.8E3

        Filesize

        600B

        MD5

        11f585875f84359361be67d99c86868e

        SHA1

        0f7dfa5b63585c1d3a558ba856b36f4be7df1a6d

        SHA256

        53c2e5edb21c38a8dd64d538bd08ab373cd54b89efb10abc8cb8a8db04cfa5b6

        SHA512

        319aad7b10c3647b84de1df94f0f07afbb717e2a45ac3fbde783f93c2609b421fbe9ca327e50bcefba1f4406bfb5ddfdf865b0389d08aa276ca02c7758cab225

      • C:\Users\Admin\AppData\Roaming\B9F3.8E3

        Filesize

        996B

        MD5

        a39011cf6cfb4914b7f1cf79a47a3739

        SHA1

        e708a200216a65ecaa1b9b131ff4753412e14176

        SHA256

        aaa2391a5f3e6bd4d8e3ffb3af172058d140b4d45803e0bafd03e25ac2ceb70c

        SHA512

        96e5384859bb765c25b5fdcfcb59d90e4d135fefea5f7ec7a575256442b6982209c77ec5743deceeb3d7201c61e33231dff707cca921deefc08104cd19fe76c0

      • memory/2236-77-0x0000000000400000-0x0000000000445000-memory.dmp

        Filesize

        276KB

      • memory/2236-79-0x00000000004E0000-0x00000000005E0000-memory.dmp

        Filesize

        1024KB

      • memory/2236-2-0x00000000004E0000-0x00000000005E0000-memory.dmp

        Filesize

        1024KB

      • memory/2236-146-0x0000000000400000-0x0000000000445000-memory.dmp

        Filesize

        276KB

      • memory/2236-1-0x0000000000400000-0x0000000000445000-memory.dmp

        Filesize

        276KB

      • memory/2236-183-0x0000000000400000-0x0000000000445000-memory.dmp

        Filesize

        276KB

      • memory/2236-184-0x0000000000400000-0x0000000000445000-memory.dmp

        Filesize

        276KB

      • memory/2236-191-0x0000000000400000-0x0000000000445000-memory.dmp

        Filesize

        276KB

      • memory/2576-13-0x0000000000400000-0x0000000000445000-memory.dmp

        Filesize

        276KB

      • memory/2576-14-0x00000000002BC000-0x00000000002D7000-memory.dmp

        Filesize

        108KB

      • memory/3052-78-0x000000000056C000-0x0000000000587000-memory.dmp

        Filesize

        108KB

      • memory/3052-76-0x0000000000400000-0x0000000000445000-memory.dmp

        Filesize

        276KB