Analysis

  • max time kernel
    111s
  • max time network
    134s
  • platform
    windows7_x64
  • resource
    win7-20220331-en
  • submitted
    01/04/2022, 13:28

General

  • Target
    SOA310322.xlsx
  • Size 187KB
  • Sample220401-qqnqlscab8
  • SHA256 2ad46fe28a20e5e42db731d5fa4f351bb1573c4911a8dcc6ad41bf6541515d45
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • lokibot

C2
  • http://brokenskulltechnologies.gq/Marshall/fre.php

  • http://kbfvzoboss.bid/alien/fre.php

  • http://alphastand.trade/alien/fre.php

  • http://alphastand.win/alien/fre.php

  • http://alphastand.top/alien/fre.php

Signatures

  • Lokibot

    Lokibot is a Password and CryptoCoin Wallet Stealer.

  • Blocklisted process makes network request 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Launches Equation Editor 1 TTPs 1 IoCs

    Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.

  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\SOA310322.xlsx
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:1820
  • C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
    "C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
    1⤵
    • Blocklisted process makes network request
    • Loads dropped DLL
    • Launches Equation Editor
    • Suspicious use of WriteProcessMemory
    PID:1268
    • C:\Users\Public\vbc.exe
      "C:\Users\Public\vbc.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:428
      • C:\Users\Admin\AppData\Local\Temp\evlrvxtyyv.exe
        C:\Users\Admin\AppData\Local\Temp\evlrvxtyyv.exe C:\Users\Admin\AppData\Local\Temp\nuidpr
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:852
        • C:\Users\Admin\AppData\Local\Temp\evlrvxtyyv.exe
          C:\Users\Admin\AppData\Local\Temp\evlrvxtyyv.exe C:\Users\Admin\AppData\Local\Temp\nuidpr
          4⤵
          • Executes dropped EXE
          • Accesses Microsoft Outlook profiles
          • Suspicious use of AdjustPrivilegeToken
          • outlook_office_path
          • outlook_win_path
          PID:2008

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        bhb5wx5tyq2d4koaccu

        • Path C:\Users\Admin\AppData\Local\Temp\bhb5wx5tyq2d4koaccu
        • Size 212KB
        • SHA256 716e36739a89dde286476cf5f90ddae014233cd2cbd9629fd3ac8948ada32c2c
        • MD5 SHA1 SHA512 SSDEEP

        evlrvxtyyv.exe

        • Path C:\Users\Admin\AppData\Local\Temp\evlrvxtyyv.exe
        • Size 5KB
        • SHA256 bc99d85b543e93f66ca8515a27daebce192256b7e3b50c4b95f08d06828201b0
        • MD5 SHA1 SHA512 SSDEEP

        evlrvxtyyv.exe

        • Path C:\Users\Admin\AppData\Local\Temp\evlrvxtyyv.exe
        • Size 5KB
        • SHA256 bc99d85b543e93f66ca8515a27daebce192256b7e3b50c4b95f08d06828201b0
        • MD5 SHA1 SHA512 SSDEEP

        evlrvxtyyv.exe

        • Path C:\Users\Admin\AppData\Local\Temp\evlrvxtyyv.exe
        • Size 5KB
        • SHA256 bc99d85b543e93f66ca8515a27daebce192256b7e3b50c4b95f08d06828201b0
        • MD5 SHA1 SHA512 SSDEEP

        nuidpr

        • Path C:\Users\Admin\AppData\Local\Temp\nuidpr
        • Size 4KB
        • SHA256 a6013387339a31b34673c68c8fc6cdc72ee7535cf18466843059143ba22e3fa7
        • MD5 SHA1 SHA512 SSDEEP

        vbc.exe

        • Path C:\Users\Public\vbc.exe
        • Size 232KB
        • SHA256 d678e7253d7e54232d22ef19e5e8a64b50137cbd2883c59c27a8e91fee5e320e
        • MD5 SHA1 SHA512 SSDEEP

        vbc.exe

        • Path C:\Users\Public\vbc.exe
        • Size 232KB
        • SHA256 d678e7253d7e54232d22ef19e5e8a64b50137cbd2883c59c27a8e91fee5e320e
        • MD5 SHA1 SHA512 SSDEEP

        evlrvxtyyv.exe

        • Path \Users\Admin\AppData\Local\Temp\evlrvxtyyv.exe
        • Size 5KB
        • SHA256 bc99d85b543e93f66ca8515a27daebce192256b7e3b50c4b95f08d06828201b0
        • MD5 SHA1 SHA512 SSDEEP

        evlrvxtyyv.exe

        • Path \Users\Admin\AppData\Local\Temp\evlrvxtyyv.exe
        • Size 5KB
        • SHA256 bc99d85b543e93f66ca8515a27daebce192256b7e3b50c4b95f08d06828201b0
        • MD5 SHA1 SHA512 SSDEEP

        vbc.exe

        • Path \Users\Public\vbc.exe
        • Size 232KB
        • SHA256 d678e7253d7e54232d22ef19e5e8a64b50137cbd2883c59c27a8e91fee5e320e
        • MD5 SHA1 SHA512 SSDEEP

        memory/1268-58-0x0000000075721000-0x0000000075723000-memory.dmp

        memory/1820-54-0x000000002F081000-0x000000002F084000-memory.dmp

        memory/1820-57-0x00000000724CD000-0x00000000724D8000-memory.dmp

        memory/1820-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

        memory/1820-55-0x00000000714E1000-0x00000000714E3000-memory.dmp

        memory/1820-78-0x000000005FFF0000-0x0000000060000000-memory.dmp

        memory/2008-72-0x0000000000400000-0x00000000004A2000-memory.dmp

        memory/2008-76-0x0000000000400000-0x00000000004A2000-memory.dmp