Analysis

  • max time kernel
    109s
  • max time network
    106s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    04/10/2021, 08:34

General

  • Target
    PI.xlsx
  • Size 313KB
  • Sample211004-kggcaagbbl
  • SHA256 26582c8d644e04b5de45b129ae85c18278bbbd0e9958e5e77e94067c46844d73
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • lokibot

C2
  • http://checkvim.com/ga11/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.

  • suricata: ET MALWARE LokiBot Checkin

    suricata: ET MALWARE LokiBot Checkin

  • suricata: ET MALWARE LokiBot User-Agent (Charon/Inferno)

    suricata: ET MALWARE LokiBot User-Agent (Charon/Inferno)

  • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

    suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

  • Blocklisted process makes network request 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 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
  • Suspicious use of SetThreadContext 1 IoCs
  • 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 14 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\PI.xlsx
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:1596
  • 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:1244
    • C:\Users\Public\vbc.exe
      "C:\Users\Public\vbc.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1444
      • C:\Users\Public\vbc.exe
        "C:\Users\Public\vbc.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:1560

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1244-56-0x00000000757B1000-0x00000000757B3000-memory.dmp

        memory/1444-64-0x0000000000C60000-0x0000000000C61000-memory.dmp

        memory/1444-66-0x0000000000B70000-0x0000000000B71000-memory.dmp

        memory/1444-67-0x0000000000540000-0x000000000054A000-memory.dmp

        memory/1444-68-0x00000000021D0000-0x000000000220D000-memory.dmp

        memory/1560-69-0x0000000000400000-0x00000000004A2000-memory.dmp

        memory/1560-73-0x0000000000400000-0x00000000004A2000-memory.dmp

        memory/1596-55-0x000000005FFF0000-0x0000000060000000-memory.dmp

        memory/1596-53-0x000000002F341000-0x000000002F344000-memory.dmp

        memory/1596-54-0x0000000071141000-0x0000000071143000-memory.dmp

        memory/1596-74-0x000000005FFF0000-0x0000000060000000-memory.dmp