Resubmissions

26-10-2023 15:49

231026-s9ggraee74 10

11-10-2023 12:16

231011-pfymdseg4t 7

Analysis

  • max time kernel
    126s
  • max time network
    139s
  • platform
    windows10-1703_x64
  • resource
    win10-20231023-en
  • resource tags

    arch:x64arch:x86image:win10-20231023-enlocale:en-usos:windows10-1703-x64system
  • submitted
    26-10-2023 15:49

General

  • Target

    9b8efc369c7ff541f885c605c462c7d5a16acfbdfef3b28adc4e5418e890142f.exe

  • Size

    612KB

  • MD5

    59ac3eacd67228850d5478fd3f18df78

  • SHA1

    cdc11d2244321b850fad88a92e704a8ce2255ca7

  • SHA256

    9b8efc369c7ff541f885c605c462c7d5a16acfbdfef3b28adc4e5418e890142f

  • SHA512

    4ec98c66f90254ba51daf9211ac18429329dd65d12a02ba1e6a59a3bfb36ca1e8cfb60e8c9219d72511b7c33f9b9786b2c421953e98bd9055a76b5eb43d9890f

  • SSDEEP

    12288:tZ2eNScaljS/F419WCntAWjVX5ykOKytwz07JK88AMFjYSFPAZ:L2eNSc4wERntjVJxOK1z078sEVlO

Score
10/10

Malware Config

Extracted

Family

bunnyloader

C2

http://localhost/Bunny/StealerLogs/BunnyLogs_

Signatures

  • BunnyLoader

    BunnyLoader is a loader family written in C++.

  • UPX packed file 3 IoCs

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

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of AdjustPrivilegeToken 42 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9b8efc369c7ff541f885c605c462c7d5a16acfbdfef3b28adc4e5418e890142f.exe
    "C:\Users\Admin\AppData\Local\Temp\9b8efc369c7ff541f885c605c462c7d5a16acfbdfef3b28adc4e5418e890142f.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:436
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c wmic /namespace:\\root\SecurityCenter2 path AntiVirusProduct get displayName /value
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3424
      • C:\Windows\SysWOW64\Wbem\WMIC.exe
        wmic /namespace:\\root\SecurityCenter2 path AntiVirusProduct get displayName /value
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:708

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/436-0-0x0000000000BF0000-0x0000000000D67000-memory.dmp

    Filesize

    1.5MB

  • memory/436-1-0x0000000000BF0000-0x0000000000D67000-memory.dmp

    Filesize

    1.5MB

  • memory/436-3-0x0000000000BF0000-0x0000000000D67000-memory.dmp

    Filesize

    1.5MB