Analysis

  • max time kernel
    145s
  • max time network
    53s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/06/2024, 01:54

General

  • Target
    af939cc96af0cc8c52e3fe8e3ea942a7421eeb412ee1c9d7bc26d82dc42190f7.exe
  • Size 1.2MB
  • Sample240613-cbhzxstepp
  • SHA256 af939cc96af0cc8c52e3fe8e3ea942a7421eeb412ee1c9d7bc26d82dc42190f7
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Detect packed .NET executables. Mostly AgentTeslaV4. 33 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 33 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 33 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 33 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 33 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 33 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\af939cc96af0cc8c52e3fe8e3ea942a7421eeb412ee1c9d7bc26d82dc42190f7.exe
    "C:\Users\Admin\AppData\Local\Temp\af939cc96af0cc8c52e3fe8e3ea942a7421eeb412ee1c9d7bc26d82dc42190f7.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:5044
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\af939cc96af0cc8c52e3fe8e3ea942a7421eeb412ee1c9d7bc26d82dc42190f7.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5048
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5044 -s 600
      2⤵
      • Program crash
      PID:3560
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5044 -ip 5044
    1⤵
      PID:1396

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          aut41DB.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\aut41DB.tmp
          • Size 263KB
          • SHA256 0fe1811cdd482215f8c5aa282f227612968d196f16ec43065982979177b040ae
          • MD5 SHA1 SHA512 SSDEEP

          memory/5044-12-0x0000000002460000-0x0000000002464000-memory.dmp

          memory/5048-13-0x0000000000400000-0x0000000000446000-memory.dmp

          memory/5048-14-0x0000000000400000-0x0000000000446000-memory.dmp

          memory/5048-16-0x0000000000400000-0x0000000000446000-memory.dmp

          memory/5048-15-0x0000000000400000-0x0000000000446000-memory.dmp

          memory/5048-17-0x0000000074C0E000-0x0000000074C0F000-memory.dmp

          memory/5048-18-0x0000000005750000-0x00000000057A6000-memory.dmp

          memory/5048-19-0x0000000074C00000-0x00000000753B0000-memory.dmp

          memory/5048-21-0x0000000005DE0000-0x0000000006384000-memory.dmp

          memory/5048-20-0x0000000074C00000-0x00000000753B0000-memory.dmp

          memory/5048-22-0x0000000005830000-0x0000000005884000-memory.dmp

          memory/5048-23-0x0000000074C00000-0x00000000753B0000-memory.dmp

          memory/5048-29-0x0000000005830000-0x000000000587E000-memory.dmp

          memory/5048-27-0x0000000005830000-0x000000000587E000-memory.dmp

          memory/5048-25-0x0000000005830000-0x000000000587E000-memory.dmp

          memory/5048-81-0x0000000005830000-0x000000000587E000-memory.dmp

          memory/5048-83-0x0000000005830000-0x000000000587E000-memory.dmp

          memory/5048-79-0x0000000005830000-0x000000000587E000-memory.dmp

          memory/5048-77-0x0000000005830000-0x000000000587E000-memory.dmp

          memory/5048-75-0x0000000005830000-0x000000000587E000-memory.dmp

          memory/5048-74-0x0000000005830000-0x000000000587E000-memory.dmp

          memory/5048-69-0x0000000005830000-0x000000000587E000-memory.dmp

          memory/5048-67-0x0000000005830000-0x000000000587E000-memory.dmp

          memory/5048-65-0x0000000005830000-0x000000000587E000-memory.dmp

          memory/5048-63-0x0000000005830000-0x000000000587E000-memory.dmp

          memory/5048-61-0x0000000005830000-0x000000000587E000-memory.dmp

          memory/5048-57-0x0000000005830000-0x000000000587E000-memory.dmp

          memory/5048-53-0x0000000005830000-0x000000000587E000-memory.dmp

          memory/5048-49-0x0000000005830000-0x000000000587E000-memory.dmp

          memory/5048-47-0x0000000005830000-0x000000000587E000-memory.dmp

          memory/5048-45-0x0000000005830000-0x000000000587E000-memory.dmp

          memory/5048-43-0x0000000005830000-0x000000000587E000-memory.dmp

          memory/5048-42-0x0000000005830000-0x000000000587E000-memory.dmp

          memory/5048-39-0x0000000005830000-0x000000000587E000-memory.dmp

          memory/5048-35-0x0000000005830000-0x000000000587E000-memory.dmp

          memory/5048-71-0x0000000005830000-0x000000000587E000-memory.dmp

          memory/5048-59-0x0000000005830000-0x000000000587E000-memory.dmp

          memory/5048-55-0x0000000005830000-0x000000000587E000-memory.dmp

          memory/5048-51-0x0000000005830000-0x000000000587E000-memory.dmp

          memory/5048-37-0x0000000005830000-0x000000000587E000-memory.dmp

          memory/5048-33-0x0000000005830000-0x000000000587E000-memory.dmp

          memory/5048-31-0x0000000005830000-0x000000000587E000-memory.dmp

          memory/5048-24-0x0000000005830000-0x000000000587E000-memory.dmp

          memory/5048-1078-0x0000000005A10000-0x0000000005A76000-memory.dmp

          memory/5048-1079-0x0000000074C00000-0x00000000753B0000-memory.dmp

          memory/5048-1081-0x0000000006830000-0x0000000006880000-memory.dmp

          memory/5048-1082-0x0000000006920000-0x00000000069B2000-memory.dmp

          memory/5048-1083-0x0000000006890000-0x000000000689A000-memory.dmp

          memory/5048-1084-0x0000000000400000-0x0000000000446000-memory.dmp

          memory/5048-1085-0x0000000074C0E000-0x0000000074C0F000-memory.dmp

          memory/5048-1086-0x0000000074C00000-0x00000000753B0000-memory.dmp