Analysis

  • max time kernel
    43s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 07:43

General

  • Target

    CF_sqrjyjhql_jb51/SkinH_EL.dll

  • Size

    86KB

  • MD5

    147127382e001f495d1842ee7a9e7912

  • SHA1

    92d1ed56032183c75d4b57d7ce30b1c4ae11dc9b

  • SHA256

    edf679c02ea2e170e67ab20dfc18558e2bfb4ee5d59eceeaea4b1ad1a626c3cc

  • SHA512

    97f5ae90a1bbacfe39b9e0f2954c24f9896cc9dca9d14364c438862996f3bbc04a4aa515742fccb3679d222c1302f5bb40c7eaddd6b5859d2d6ef79490243a4d

  • SSDEEP

    1536:s5Np2dgZgIehUUS3E1Ujmrvl179D53UWnGQRJZiXRmrCnKptnouy8K:s5Np2dlUX0+Cx17F8QRJZKmOK3outK

Score
8/10
upx

Malware Config

Signatures

  • UPX packed file 4 IoCs

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

  • Program crash 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\CF_sqrjyjhql_jb51\SkinH_EL.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:916
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\CF_sqrjyjhql_jb51\SkinH_EL.dll,#1
      2⤵
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1752
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1752 -s 252
        3⤵
        • Program crash
        PID:1212

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1212-59-0x0000000000000000-mapping.dmp

  • memory/1752-54-0x0000000000000000-mapping.dmp

  • memory/1752-55-0x0000000076091000-0x0000000076093000-memory.dmp

    Filesize

    8KB

  • memory/1752-56-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/1752-57-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/1752-58-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/1752-60-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB