Analysis

  • max time kernel
    152s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    08/05/2022, 19:10

General

  • Target

    7e2422e3f8948c2274a44d1afd4d1d8686122389528a9214babe27ae47e1e6c0.exe

  • Size

    4.6MB

  • MD5

    35941c0de6c54b0eb9cf4837d57b0732

  • SHA1

    63a155faac8c0683b9f966f84505260bb3d5e659

  • SHA256

    7e2422e3f8948c2274a44d1afd4d1d8686122389528a9214babe27ae47e1e6c0

  • SHA512

    6b7dad42faa8153d338bf94e9386f1ed7f87f374f70a6369f7ae21db5f37b29fb0a77cc54987d26a3e3010c0c23adf4713f0e80a209f8a39324170dcc99efb4f

Malware Config

Extracted

Family

bitrat

Version

1.31

Signatures

  • BitRAT

    BitRAT is a remote access tool written in C++ and uses leaked source code from other families.

  • BitRAT Payload 3 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: RenamesItself 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7e2422e3f8948c2274a44d1afd4d1d8686122389528a9214babe27ae47e1e6c0.exe
    "C:\Users\Admin\AppData\Local\Temp\7e2422e3f8948c2274a44d1afd4d1d8686122389528a9214babe27ae47e1e6c0.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:552
    • C:\Users\Admin\AppData\Local\Temp\7e2422e3f8948c2274a44d1afd4d1d8686122389528a9214babe27ae47e1e6c0.exe
      "C:\Users\Admin\AppData\Local\Temp\7e2422e3f8948c2274a44d1afd4d1d8686122389528a9214babe27ae47e1e6c0.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:516

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\0e9e1b9d-2e60-4da2-9bef-9084f79207a0\D.dll

          Filesize

          94KB

          MD5

          14ff402962ad21b78ae0b4c43cd1f194

          SHA1

          f8a510eb26666e875a5bdd1cadad40602763ad72

          SHA256

          fb9646cb956945bdc503e69645f6b5316d3826b780d3c36738d6b944e884d15b

          SHA512

          daa7a08bf3709119a944bce28f6ebdd24e54a22b18cd9f86a87873e958df121a3881dcdd5e162f6b4e543238c7aef20f657c9830df01d4c79290f7c9a4fcc54b

        • C:\Users\Admin\AppData\Local\Temp\b35bc50e-fc56-4239-a7d0-bb79118b31c9\AgileDotNetRT.dll

          Filesize

          94KB

          MD5

          14ff402962ad21b78ae0b4c43cd1f194

          SHA1

          f8a510eb26666e875a5bdd1cadad40602763ad72

          SHA256

          fb9646cb956945bdc503e69645f6b5316d3826b780d3c36738d6b944e884d15b

          SHA512

          daa7a08bf3709119a944bce28f6ebdd24e54a22b18cd9f86a87873e958df121a3881dcdd5e162f6b4e543238c7aef20f657c9830df01d4c79290f7c9a4fcc54b

        • memory/516-138-0x0000000000400000-0x00000000007A4000-memory.dmp

          Filesize

          3.6MB

        • memory/516-140-0x0000000000400000-0x00000000007A4000-memory.dmp

          Filesize

          3.6MB

        • memory/516-141-0x0000000000400000-0x00000000007A4000-memory.dmp

          Filesize

          3.6MB

        • memory/552-130-0x00000000005E0000-0x0000000000A80000-memory.dmp

          Filesize

          4.6MB

        • memory/552-132-0x0000000005440000-0x0000000005484000-memory.dmp

          Filesize

          272KB

        • memory/552-133-0x0000000005530000-0x00000000055C2000-memory.dmp

          Filesize

          584KB

        • memory/552-131-0x0000000005960000-0x0000000005F04000-memory.dmp

          Filesize

          5.6MB

        • memory/552-135-0x00000000732A0000-0x0000000073329000-memory.dmp

          Filesize

          548KB