Analysis

  • max time kernel
    102s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/01/2024, 17:16

General

  • Target
    68319b6a451efdc79f5d88bbfa6ed552.exe
  • Size 1.5MB
  • Sample240119-vtepbsadem
  • SHA256 2bb9e596a51f18e11872b1cf3f305fe98812ab516e608a3554bf49432c2208c7
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 3 IoCs

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Program crash 4 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\68319b6a451efdc79f5d88bbfa6ed552.exe
    "C:\Users\Admin\AppData\Local\Temp\68319b6a451efdc79f5d88bbfa6ed552.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2916
    • C:\Users\Admin\AppData\Local\Temp\68319b6a451efdc79f5d88bbfa6ed552.exe
      C:\Users\Admin\AppData\Local\Temp\68319b6a451efdc79f5d88bbfa6ed552.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:3796
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN qPTTkyZ9c33c > C:\Users\Admin\AppData\Local\Temp\gJIFUXTt.xml
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1976
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN qPTTkyZ9c33c
          4⤵
            PID:1860
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3796 -s 604
          3⤵
          • Program crash
          PID:8
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3796 -s 632
          3⤵
          • Program crash
          PID:4384
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3796 -s 628
          3⤵
          • Program crash
          PID:1820
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3796 -s 620
          3⤵
          • Program crash
          PID:1896
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\68319b6a451efdc79f5d88bbfa6ed552.exe" /TN qPTTkyZ9c33c /F
      1⤵
      • Creates scheduled task(s)
      PID:2720
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3796 -ip 3796
      1⤵
        PID:4956
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3796 -ip 3796
        1⤵
          PID:4768
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3796 -ip 3796
          1⤵
            PID:2336
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3796 -ip 3796
            1⤵
              PID:1184

            Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  68319b6a451efdc79f5d88bbfa6ed552.exe

                  • Path C:\Users\Admin\AppData\Local\Temp\68319b6a451efdc79f5d88bbfa6ed552.exe
                  • Size 188KB
                  • SHA256 eb45767b692c6af6d13ea627158f1bcaf9b0e941c8b0758a97f32b9b8afc443d
                  • MD5 SHA1 SHA512 SSDEEP

                  gJIFUXTt.xml

                  • Path C:\Users\Admin\AppData\Local\Temp\gJIFUXTt.xml
                  • Size 1KB
                  • SHA256 db3707650d843067157e7393f9e80b5b7dfb20e122347902c9fd49d6b0f7ca31
                  • MD5 SHA1 SHA512

                  memory/2916-0-0x0000000000400000-0x000000000065C000-memory.dmp

                  memory/2916-1-0x0000000000400000-0x000000000046B000-memory.dmp

                  memory/2916-6-0x0000000025040000-0x00000000250BE000-memory.dmp

                  memory/2916-13-0x0000000000400000-0x000000000046B000-memory.dmp

                  memory/3796-14-0x0000000000400000-0x000000000065C000-memory.dmp

                  memory/3796-17-0x0000000024FF0000-0x000000002506E000-memory.dmp

                  memory/3796-23-0x0000000000400000-0x000000000045B000-memory.dmp

                  memory/3796-22-0x0000000000470000-0x00000000004DB000-memory.dmp

                  memory/3796-41-0x0000000000400000-0x000000000065C000-memory.dmp