Analysis

  • max time kernel
    151s
  • max time network
    167s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/03/2024, 01:13

General

  • Target

    ef79545ac0f3eb5a4e7aab6df8f7789f94f60522a5a7169293fb577883e1a9d3.exe

  • Size

    448KB

  • MD5

    23a6a4f6dfc1afad891316e24a4894a1

  • SHA1

    65f67162cb17103ab48844e8e4c59ae9c1c40466

  • SHA256

    ef79545ac0f3eb5a4e7aab6df8f7789f94f60522a5a7169293fb577883e1a9d3

  • SHA512

    00f7d255119d74728b7d0286fe6eca2ebcbf1a77c33f566c1f85f99e90203469656769a5c937ba6515f3571f493762bd883614fa8153ec1b4d31b8bd48228e85

  • SSDEEP

    12288:Vm0NyXgC8FoCNXSNpCyfi0npM4dl0v5JdmA:VPNywC8CCUNpCyfiEM4dmv5r

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Program crash 5 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ef79545ac0f3eb5a4e7aab6df8f7789f94f60522a5a7169293fb577883e1a9d3.exe
    "C:\Users\Admin\AppData\Local\Temp\ef79545ac0f3eb5a4e7aab6df8f7789f94f60522a5a7169293fb577883e1a9d3.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:348
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 348 -s 388
      2⤵
      • Program crash
      PID:4844
    • C:\Users\Admin\AppData\Local\Temp\ef79545ac0f3eb5a4e7aab6df8f7789f94f60522a5a7169293fb577883e1a9d3.exe
      C:\Users\Admin\AppData\Local\Temp\ef79545ac0f3eb5a4e7aab6df8f7789f94f60522a5a7169293fb577883e1a9d3.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of UnmapMainImage
      PID:4312
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4312 -s 352
        3⤵
        • Program crash
        PID:2780
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4312 -s 768
        3⤵
        • Program crash
        PID:872
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4312 -s 772
        3⤵
        • Program crash
        PID:3016
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4312 -s 768
        3⤵
        • Program crash
        PID:4660
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 348 -ip 348
    1⤵
      PID:5056
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4312 -ip 4312
      1⤵
        PID:3152
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4312 -ip 4312
        1⤵
          PID:496
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4312 -ip 4312
          1⤵
            PID:3144
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 4312 -ip 4312
            1⤵
              PID:4280

            Network

            MITRE ATT&CK Matrix

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Users\Admin\AppData\Local\Temp\ef79545ac0f3eb5a4e7aab6df8f7789f94f60522a5a7169293fb577883e1a9d3.exe

              Filesize

              448KB

              MD5

              43d3aa9fa6ac6d4511e9aec618e42a8d

              SHA1

              f1ee64875c19eae77fee59a47385aa0bfc787e31

              SHA256

              fb3cfc18431012f593e94c7a92772612c94e7d00a4aad089cba82f0663360526

              SHA512

              50b76e4714e8e836cc97e90cb045c777c3fd9e8486571c6e4c4debdd86a7960e1dfa443692fcaddd90c4ced8833ff7e7f29172cad95a94957fad3122811148b9

            • memory/348-0-0x0000000000400000-0x000000000043F000-memory.dmp

              Filesize

              252KB

            • memory/348-6-0x0000000000400000-0x000000000043F000-memory.dmp

              Filesize

              252KB

            • memory/4312-7-0x0000000000400000-0x000000000043F000-memory.dmp

              Filesize

              252KB

            • memory/4312-8-0x0000000004DF0000-0x0000000004E2F000-memory.dmp

              Filesize

              252KB

            • memory/4312-9-0x0000000000400000-0x0000000000415000-memory.dmp

              Filesize

              84KB

            • memory/4312-14-0x0000000000400000-0x000000000043F000-memory.dmp

              Filesize

              252KB