Analysis

  • max time kernel
    120s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    09/11/2024, 00:01

General

  • Target

    1cb4224c524447bf801b2b19e23f48f9ad083bbbc9f89c24d418e213f99b6dccN.exe

  • Size

    211KB

  • MD5

    cba407a414f71048711865525583a320

  • SHA1

    6722724f204ef6bd9a3937e04c4b2ab8a644d8b1

  • SHA256

    1cb4224c524447bf801b2b19e23f48f9ad083bbbc9f89c24d418e213f99b6dcc

  • SHA512

    1f00e7a3a33bdafb71dc0d74f9b646b555b6b733da47f5978061118c48f382023d0b9014217651bca07d7fa2112f038a1c16960c60f3283a3b292cf347a62fcc

  • SSDEEP

    3072:EPUHpiKT2t2UHIu05W7SAFJJOUD9cckiKop97f3r8n9t9YgntnH:9rTfUHeeSKOS9ccFKk3Y9t9YyH

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1cb4224c524447bf801b2b19e23f48f9ad083bbbc9f89c24d418e213f99b6dccN.exe
    "C:\Users\Admin\AppData\Local\Temp\1cb4224c524447bf801b2b19e23f48f9ad083bbbc9f89c24d418e213f99b6dccN.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3056
    • C:\Users\Public\Microsoft Build\Isass.exe
      "C:\Users\Public\Microsoft Build\Isass.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2312

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Public\Microsoft Build\Isass.exe

          Filesize

          211KB

          MD5

          cba407a414f71048711865525583a320

          SHA1

          6722724f204ef6bd9a3937e04c4b2ab8a644d8b1

          SHA256

          1cb4224c524447bf801b2b19e23f48f9ad083bbbc9f89c24d418e213f99b6dcc

          SHA512

          1f00e7a3a33bdafb71dc0d74f9b646b555b6b733da47f5978061118c48f382023d0b9014217651bca07d7fa2112f038a1c16960c60f3283a3b292cf347a62fcc

        • memory/2312-21-0x0000000000400000-0x00000000016A8000-memory.dmp

          Filesize

          18.7MB

        • memory/2312-38-0x0000000000400000-0x00000000016A8000-memory.dmp

          Filesize

          18.7MB

        • memory/2312-54-0x0000000000400000-0x00000000016A8000-memory.dmp

          Filesize

          18.7MB

        • memory/2312-53-0x0000000004630000-0x00000000058D8000-memory.dmp

          Filesize

          18.7MB

        • memory/2312-14-0x0000000000400000-0x00000000016A8000-memory.dmp

          Filesize

          18.7MB

        • memory/2312-52-0x0000000000400000-0x00000000016A8000-memory.dmp

          Filesize

          18.7MB

        • memory/2312-16-0x0000000000400000-0x00000000016A8000-memory.dmp

          Filesize

          18.7MB

        • memory/2312-17-0x0000000000400000-0x00000000016A8000-memory.dmp

          Filesize

          18.7MB

        • memory/2312-45-0x0000000000400000-0x00000000016A8000-memory.dmp

          Filesize

          18.7MB

        • memory/2312-28-0x0000000000400000-0x00000000016A8000-memory.dmp

          Filesize

          18.7MB

        • memory/2312-15-0x00000000003B0000-0x00000000003B1000-memory.dmp

          Filesize

          4KB

        • memory/2312-29-0x0000000000400000-0x00000000016A8000-memory.dmp

          Filesize

          18.7MB

        • memory/2312-37-0x0000000000400000-0x00000000016A8000-memory.dmp

          Filesize

          18.7MB

        • memory/2312-20-0x0000000000400000-0x00000000016A8000-memory.dmp

          Filesize

          18.7MB

        • memory/2312-44-0x0000000000400000-0x00000000016A8000-memory.dmp

          Filesize

          18.7MB

        • memory/3056-12-0x0000000004610000-0x00000000058B8000-memory.dmp

          Filesize

          18.7MB

        • memory/3056-9-0x0000000004610000-0x00000000058B8000-memory.dmp

          Filesize

          18.7MB

        • memory/3056-8-0x0000000000400000-0x00000000016A8000-memory.dmp

          Filesize

          18.7MB

        • memory/3056-13-0x0000000000400000-0x00000000016A8000-memory.dmp

          Filesize

          18.7MB