Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230831-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230831-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-09-2023 05:52

General

  • Target

    lz.exe

  • Size

    388KB

  • MD5

    4ff84ca1c02088f313c97694244cb2a4

  • SHA1

    d2ffff7d201ac6236d3d091047f498c11bae00d6

  • SHA256

    f3126ddd86d1e048db68f22cb1de5de871282bbd5764c4c77867042c8f1aab93

  • SHA512

    0ab79b098be51c4035871e1b85bb815954a0c936fb9bc5bc598ac824e1c4e45d5f6b56f4f3e4a063c82a91ab30cb953018abc9161e3b2cfdf785d97d6a09d00b

  • SSDEEP

    12288:tCspLdeVEn/oEehNiNsF9hS2Oga+nqgU+1kkqabCtXSXNcqye9cBz:tCULoVEn/oEsA/2OgVqgU+1kkqabCtXB

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

rornfl12.duckdns.org:3072

Attributes
  • communication_password

    81dc9bdb52d04dc20036dbd8313ed055

  • install_dir

    chrome

  • install_file

    updater

  • tor_process

    tor

Signatures

  • BitRAT

    BitRAT is a remote access tool written in C++ and uses leaked source code from other families.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\lz.exe
    "C:\Users\Admin\AppData\Local\Temp\lz.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2188
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      2⤵
      • Adds Run key to start application
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1124

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1124-1090-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/1124-1138-0x0000000074230000-0x0000000074269000-memory.dmp

    Filesize

    228KB

  • memory/1124-1137-0x0000000074570000-0x00000000745A9000-memory.dmp

    Filesize

    228KB

  • memory/1124-1106-0x0000000000400000-0x00000000007CE000-memory.dmp

    Filesize

    3.8MB

  • memory/1124-1100-0x0000000074230000-0x0000000074269000-memory.dmp

    Filesize

    228KB

  • memory/1124-1092-0x0000000074570000-0x00000000745A9000-memory.dmp

    Filesize

    228KB

  • memory/2188-39-0x0000000008B20000-0x0000000008D95000-memory.dmp

    Filesize

    2.5MB

  • memory/2188-45-0x0000000008B20000-0x0000000008D95000-memory.dmp

    Filesize

    2.5MB

  • memory/2188-8-0x0000000008B20000-0x0000000008D95000-memory.dmp

    Filesize

    2.5MB

  • memory/2188-9-0x0000000008B20000-0x0000000008D95000-memory.dmp

    Filesize

    2.5MB

  • memory/2188-11-0x0000000008B20000-0x0000000008D95000-memory.dmp

    Filesize

    2.5MB

  • memory/2188-13-0x0000000008B20000-0x0000000008D95000-memory.dmp

    Filesize

    2.5MB

  • memory/2188-15-0x0000000008B20000-0x0000000008D95000-memory.dmp

    Filesize

    2.5MB

  • memory/2188-17-0x0000000008B20000-0x0000000008D95000-memory.dmp

    Filesize

    2.5MB

  • memory/2188-19-0x0000000008B20000-0x0000000008D95000-memory.dmp

    Filesize

    2.5MB

  • memory/2188-21-0x0000000008B20000-0x0000000008D95000-memory.dmp

    Filesize

    2.5MB

  • memory/2188-23-0x0000000008B20000-0x0000000008D95000-memory.dmp

    Filesize

    2.5MB

  • memory/2188-25-0x0000000008B20000-0x0000000008D95000-memory.dmp

    Filesize

    2.5MB

  • memory/2188-27-0x0000000008B20000-0x0000000008D95000-memory.dmp

    Filesize

    2.5MB

  • memory/2188-29-0x0000000008B20000-0x0000000008D95000-memory.dmp

    Filesize

    2.5MB

  • memory/2188-31-0x0000000008B20000-0x0000000008D95000-memory.dmp

    Filesize

    2.5MB

  • memory/2188-33-0x0000000008B20000-0x0000000008D95000-memory.dmp

    Filesize

    2.5MB

  • memory/2188-35-0x0000000008B20000-0x0000000008D95000-memory.dmp

    Filesize

    2.5MB

  • memory/2188-37-0x0000000008B20000-0x0000000008D95000-memory.dmp

    Filesize

    2.5MB

  • memory/2188-0-0x00000000001E0000-0x0000000000248000-memory.dmp

    Filesize

    416KB

  • memory/2188-41-0x0000000008B20000-0x0000000008D95000-memory.dmp

    Filesize

    2.5MB

  • memory/2188-43-0x0000000008B20000-0x0000000008D95000-memory.dmp

    Filesize

    2.5MB

  • memory/2188-7-0x0000000004E00000-0x0000000004E10000-memory.dmp

    Filesize

    64KB

  • memory/2188-47-0x0000000008B20000-0x0000000008D95000-memory.dmp

    Filesize

    2.5MB

  • memory/2188-49-0x0000000008B20000-0x0000000008D95000-memory.dmp

    Filesize

    2.5MB

  • memory/2188-51-0x0000000008B20000-0x0000000008D95000-memory.dmp

    Filesize

    2.5MB

  • memory/2188-53-0x0000000008B20000-0x0000000008D95000-memory.dmp

    Filesize

    2.5MB

  • memory/2188-55-0x0000000008B20000-0x0000000008D95000-memory.dmp

    Filesize

    2.5MB

  • memory/2188-57-0x0000000008B20000-0x0000000008D95000-memory.dmp

    Filesize

    2.5MB

  • memory/2188-59-0x0000000008B20000-0x0000000008D95000-memory.dmp

    Filesize

    2.5MB

  • memory/2188-61-0x0000000008B20000-0x0000000008D95000-memory.dmp

    Filesize

    2.5MB

  • memory/2188-63-0x0000000008B20000-0x0000000008D95000-memory.dmp

    Filesize

    2.5MB

  • memory/2188-65-0x0000000008B20000-0x0000000008D95000-memory.dmp

    Filesize

    2.5MB

  • memory/2188-67-0x0000000008B20000-0x0000000008D95000-memory.dmp

    Filesize

    2.5MB

  • memory/2188-69-0x0000000008B20000-0x0000000008D95000-memory.dmp

    Filesize

    2.5MB

  • memory/2188-71-0x0000000008B20000-0x0000000008D95000-memory.dmp

    Filesize

    2.5MB

  • memory/2188-1084-0x00000000061D0000-0x00000000061D1000-memory.dmp

    Filesize

    4KB

  • memory/2188-1089-0x0000000074660000-0x0000000074E10000-memory.dmp

    Filesize

    7.7MB

  • memory/2188-6-0x0000000074660000-0x0000000074E10000-memory.dmp

    Filesize

    7.7MB

  • memory/2188-5-0x0000000004C50000-0x0000000004C5A000-memory.dmp

    Filesize

    40KB

  • memory/2188-4-0x0000000004E00000-0x0000000004E10000-memory.dmp

    Filesize

    64KB

  • memory/2188-3-0x0000000004C90000-0x0000000004D22000-memory.dmp

    Filesize

    584KB

  • memory/2188-2-0x00000000051A0000-0x0000000005744000-memory.dmp

    Filesize

    5.6MB

  • memory/2188-1-0x0000000074660000-0x0000000074E10000-memory.dmp

    Filesize

    7.7MB