Analysis

  • max time kernel
    36s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    01-10-2022 20:33

General

  • Target

    4123.do1.dll

  • Size

    48KB

  • MD5

    f776deb4df137b37dcae5406c8f3a07a

  • SHA1

    f6a31b594fca39c118927405fa4d14353b8fd49a

  • SHA256

    93cc5e6a6b671d9b0124ade32ae8b09269de9f03c5c5e66347fbfc7a8c3b305e

  • SHA512

    4077b4214b4683bb4776d470027e61fcc3cb3e78beb9377674e4a4de9115d52911e39cb29a566ab446c6962a252ce01020ffd616b5854a9d8230414262bfafe2

  • SSDEEP

    768:fw2jnhaqqUgQeONXr27iLAkfP69FyfQZWBS:hjnEQeON727CA2G

Score
10/10

Malware Config

Signatures

  • Nloader

    Simple loader that includes the keyword 'campo' in the URL used to download other families.

  • Nloader payload 4 IoCs
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\4123.do1.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1168
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\4123.do1.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1872
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1872 -s 456
        3⤵
        • Program crash
        PID:964

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/964-67-0x0000000000000000-mapping.dmp

  • memory/1872-54-0x0000000000000000-mapping.dmp

  • memory/1872-55-0x0000000075571000-0x0000000075573000-memory.dmp

    Filesize

    8KB

  • memory/1872-56-0x0000000000100000-0x0000000000109000-memory.dmp

    Filesize

    36KB

  • memory/1872-60-0x0000000000110000-0x0000000000117000-memory.dmp

    Filesize

    28KB

  • memory/1872-63-0x0000000000130000-0x0000000000135000-memory.dmp

    Filesize

    20KB

  • memory/1872-66-0x00000000000F0000-0x00000000000F6000-memory.dmp

    Filesize

    24KB