Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    09-11-2024 19:05

General

  • Target

    10b23b9d0153a49243e378463e51cdbc3eac944e4fbd1de39992c6d72f7b72cc.exe

  • Size

    416KB

  • MD5

    e1aa000f192ae32bdd6d7b598759c0d2

  • SHA1

    b483b94b4ca4f2cd430c10c2ff58a3c4e5529622

  • SHA256

    10b23b9d0153a49243e378463e51cdbc3eac944e4fbd1de39992c6d72f7b72cc

  • SHA512

    8b7f4a464097bf10cc9f29b454be7f460c9690f7b8e606c843f1069ea224fb095db7558b7befdf1c23dc7425b3112f3c2df1d0162760d5d4eee38190fff0294c

  • SSDEEP

    6144:3w9D91dOrcN3ZGXNYFNmIkYvUIelVjjVtGRyFH4:gtRfJcNYFNm8UhlZGse

Malware Config

Signatures

  • Blocklisted process makes network request 10 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 6 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 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\10b23b9d0153a49243e378463e51cdbc3eac944e4fbd1de39992c6d72f7b72cc.exe
    "C:\Users\Admin\AppData\Local\Temp\10b23b9d0153a49243e378463e51cdbc3eac944e4fbd1de39992c6d72f7b72cc.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:812
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\dtbpsqfgt.exe "C:\Users\Admin\AppData\Local\Temp\10b23b9d0153a49243e378463e51cdbc3eac944e4fbd1de39992c6d72f7b72cc.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:2084
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:2404
      • C:\Users\Admin\AppData\Local\Temp\dtbpsqfgt.exe
        C:\Users\Admin\AppData\Local\Temp\\dtbpsqfgt.exe "C:\Users\Admin\AppData\Local\Temp\10b23b9d0153a49243e378463e51cdbc3eac944e4fbd1de39992c6d72f7b72cc.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2540
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\Program Files\soisy\rsxsjznnn.dll",Verify C:\Users\Admin\AppData\Local\Temp\dtbpsqfgt.exe
          4⤵
          • Blocklisted process makes network request
          • Loads dropped DLL
          • Adds Run key to start application
          • Enumerates connected drives
          • Writes to the Master Boot Record (MBR)
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1292

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \??\c:\Program Files\soisy\rsxsjznnn.dll

    Filesize

    228KB

    MD5

    7a1b7e9936184e95fdca9dc30d55df61

    SHA1

    8945d1b6f0b3298b08377acce800fa89d2ed3efd

    SHA256

    c2a0789f486c4fceb30e019682be527aea91ab1d808d49fd66fe2191adfaf01a

    SHA512

    70f97606a69e3f66cbc02f1b2648fd2ddb9a2f72b661058b14661a8490aead0f7624db7996c59d82adbaca10b54268bd4dbd369590aed6f85436f70c04ecabd9

  • \Users\Admin\AppData\Local\Temp\dtbpsqfgt.exe

    Filesize

    416KB

    MD5

    367472a4e93e066b058393692836fa24

    SHA1

    804a0271695d6bfe6e2c8a6e5cc6111cf1efe118

    SHA256

    7611464eeeaa56b2540bed31365f5919605d67e11ca30d863b8bad732124fee0

    SHA512

    7c3558921c29d3f8fc6b69003cacba4ce0950911845bf31698d4fd10ebc47762c5ea6a51cfeb5a0d4bfd59f523a9870c79c0d08c9eb62ded938eb66162988a2e

  • memory/812-0-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/812-2-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/1292-12-0x0000000010000000-0x0000000010080000-memory.dmp

    Filesize

    512KB

  • memory/1292-16-0x0000000010000000-0x0000000010080000-memory.dmp

    Filesize

    512KB

  • memory/1292-17-0x0000000010000000-0x0000000010080000-memory.dmp

    Filesize

    512KB

  • memory/1292-19-0x0000000010000000-0x0000000010080000-memory.dmp

    Filesize

    512KB

  • memory/2084-6-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

  • memory/2540-9-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB