Analysis

  • max time kernel
    121s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231025-en
  • resource tags

    arch:x64arch:x86image:win7-20231025-enlocale:en-usos:windows7-x64system
  • submitted
    17/11/2023, 16:58

General

  • Target

    02e56419a9847617fc1d06986a9e15e4745382e4751f86eef38fd0b18213e913.exe

  • Size

    669KB

  • MD5

    6db4cf045db764c86c46d0927004452f

  • SHA1

    ab4610d93d816d2c0a3405a46705a68d2ce7217b

  • SHA256

    02e56419a9847617fc1d06986a9e15e4745382e4751f86eef38fd0b18213e913

  • SHA512

    237e4ed7b469be3ad0a45d53d72382f119ce69e0e6eb517ebc4d90a328c872c44b89b63fda645f080e0dddd1222598efd27c832ad67be4d4f711346fe6c53834

  • SSDEEP

    6144:LJSOPxCO7zXO3j3DjRETcSa/9vfNZeCI6y73CXeAReUUMiDVxj0q/:7Te3RtSaLMCI6y7ZARexEq

Malware Config

Signatures

  • Blackmoon, KrBanker

    Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.

  • Detect Blackmoon payload 4 IoCs
  • Gh0st RAT payload 1 IoCs
  • Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\02e56419a9847617fc1d06986a9e15e4745382e4751f86eef38fd0b18213e913.exe
    "C:\Users\Admin\AppData\Local\Temp\02e56419a9847617fc1d06986a9e15e4745382e4751f86eef38fd0b18213e913.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1948
    • C:\Windows\SysWOW64\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\02e56419a9847617fc1d06986a9e15e4745382e4751f86eef38fd0b18213e913.txt
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:2844

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\02e56419a9847617fc1d06986a9e15e4745382e4751f86eef38fd0b18213e913.txt

          Filesize

          129KB

          MD5

          bffdf8563900ed55d466a2b1014e589d

          SHA1

          c0e1c78956a83c484808425ea4b9f375fed4c969

          SHA256

          8e1d4bed7f59722454ee77a4ae4e7951f7e9d2b486583def99dc9c1684e9f4a9

          SHA512

          468eb5e5ace6eec9bf9d1c09fc59563813d0f33f15c5efcfdf408af411d57fc1dde32d9cc64355da34ef41712f6e0be5c11287e186ea65420627690b62fb5389

        • C:\Users\Public\Documents\sjsw.log

          Filesize

          248B

          MD5

          630520cc87072375d145a9db0cae2c05

          SHA1

          503b12e00aaaa2fcc27153c0f57bdd96b603c78b

          SHA256

          720edd8e22eaf055c71c0a8215820d994bf902e73dc07ca899077702204042dc

          SHA512

          4360eb1dd0e9ff45b748ff128b0cb50f790aea680d4ff93cf9c1eda67b753934d21b0edec7f23207bfdfadd6e6e1a59a7b18cb09b5ee21ee73e3990cb15409fd

        • \Users\Public\Documents\awuuh.dll

          Filesize

          2KB

          MD5

          7943effe67a4647e06def2348949020e

          SHA1

          eabd561f0639a975de259633f63896d82c3f878d

          SHA256

          3fac47db92d581b2daef7a4f9493be2fe441041e5158101d80873d05808d5cfa

          SHA512

          c9db1962e7457c94426c2a5c7f439736697d4399db6982c45357459d58805daa4a9d297912135488b6990e265ffa59d687fd5ba43717aab46ccc212083ef5003

        • memory/1948-8-0x0000000002C50000-0x0000000002CBA000-memory.dmp

          Filesize

          424KB

        • memory/1948-31-0x0000000002B10000-0x0000000002C03000-memory.dmp

          Filesize

          972KB

        • memory/1948-0-0x0000000000400000-0x000000000058B000-memory.dmp

          Filesize

          1.5MB

        • memory/1948-7-0x0000000002C50000-0x0000000002CBA000-memory.dmp

          Filesize

          424KB

        • memory/1948-9-0x0000000000650000-0x0000000000653000-memory.dmp

          Filesize

          12KB

        • memory/1948-11-0x0000000002C50000-0x0000000002CBA000-memory.dmp

          Filesize

          424KB

        • memory/1948-3-0x0000000000400000-0x000000000058B000-memory.dmp

          Filesize

          1.5MB

        • memory/1948-1-0x0000000000400000-0x000000000058B000-memory.dmp

          Filesize

          1.5MB

        • memory/1948-30-0x0000000002B10000-0x0000000002C03000-memory.dmp

          Filesize

          972KB

        • memory/1948-2-0x0000000000400000-0x000000000058B000-memory.dmp

          Filesize

          1.5MB

        • memory/1948-32-0x0000000002B10000-0x0000000002C03000-memory.dmp

          Filesize

          972KB

        • memory/1948-33-0x0000000000400000-0x0000000000428000-memory.dmp

          Filesize

          160KB

        • memory/1948-35-0x0000000000400000-0x0000000000428000-memory.dmp

          Filesize

          160KB

        • memory/1948-34-0x0000000002B10000-0x0000000002C03000-memory.dmp

          Filesize

          972KB

        • memory/1948-36-0x0000000010000000-0x0000000010017000-memory.dmp

          Filesize

          92KB

        • memory/1948-39-0x0000000000400000-0x0000000000428000-memory.dmp

          Filesize

          160KB

        • memory/1948-52-0x0000000000400000-0x0000000000428000-memory.dmp

          Filesize

          160KB

        • memory/1948-54-0x0000000002C50000-0x0000000002CBA000-memory.dmp

          Filesize

          424KB

        • memory/1948-48-0x0000000002C50000-0x0000000002CBA000-memory.dmp

          Filesize

          424KB