Analysis

  • max time kernel
    88s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/03/2023, 12:43

General

  • Target

    cheirotherium.dll

  • Size

    481KB

  • MD5

    27abb413f6543e7a627880ec2b6bd91f

  • SHA1

    deffa882e0011edf87e2d141e63bc86318d223e2

  • SHA256

    dde364f762284b712008127922d3ab75a79687f2a03406ce87175c496cb3ae46

  • SHA512

    bc1b18e77dc91e52c74359b0ad9d92117ed96dde01ee4564db88e4b3e5043575caa3f21c06e1f4b4db4c60fffa5cb254bd274c1bd16d522d00bf954ea058b693

  • SSDEEP

    12288:FNg5j3vw+WqFlWJfkmVwe1UL4hsao3Oowg9Pdz:M55F4lhrgOon9J

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\cheirotherium.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2128
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\cheirotherium.dll,#1
      2⤵
        PID:3336
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3336 -s 600
          3⤵
          • Program crash
          PID:1960
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 3336 -ip 3336
      1⤵
        PID:2464

      Network

      MITRE ATT&CK Matrix

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      Downloads