Analysis

  • max time kernel
    131s
  • max time network
    156s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    09-06-2021 09:45

General

  • Target

    40HQ of CI PL SC HR210503.docx

  • Size

    10KB

  • MD5

    ffde61c7250f2ad83febb03b28321b4c

  • SHA1

    f37ff229c3e22cb00966eeb76d185a826b134fc1

  • SHA256

    540b8aee7a87730cd824187ea04de1d6cafc7070ff9009d3aa60a8275cd4cdef

  • SHA512

    c7f398a12fe7e27914cfdf45aaf16086dbabb91870ce0249c5122f95eaef432f3b8ea407e342bec8c1476ba6c299b3c630f219955088ee9a4a3091362ea68618

Malware Config

Extracted

Family

lokibot

C2

http://manvim.co/bo/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 2 IoCs
  • Abuses OpenXML format to download file from external location 2 IoCs
  • Loads dropped DLL 4 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • 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 9 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\40HQ of CI PL SC HR210503.docx"
    1⤵
    • Abuses OpenXML format to download file from external location
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2028
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:904
    • 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:1064
      • C:\Users\Public\vbc.exe
        "C:\Users\Public\vbc.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:384
        • C:\Users\Public\vbc.exe
          "C:\Users\Public\vbc.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:1924

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scripting

    1
    T1064

    Exploitation for Client Execution

    1
    T1203

    Defense Evasion

    Scripting

    1
    T1064

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Public\vbc.exe
      MD5

      6e32cd4a3fac5e6b0b5f1c5659182f9e

      SHA1

      936778dec492c66f9249c5be27b13b79abcd7a04

      SHA256

      1dfce723a17d9979985d027a8b4bf09a943153bb9ff23d082b21825c41104f96

      SHA512

      067e97197524bab713b1c6bd1ac5a91086b2a04e781ae2f8efe77fb8a0e40752c8011055298e3a58eebcab67a16ad78bc7653b76250b16a85fcd07c8b79d1fe1

    • C:\Users\Public\vbc.exe
      MD5

      6e32cd4a3fac5e6b0b5f1c5659182f9e

      SHA1

      936778dec492c66f9249c5be27b13b79abcd7a04

      SHA256

      1dfce723a17d9979985d027a8b4bf09a943153bb9ff23d082b21825c41104f96

      SHA512

      067e97197524bab713b1c6bd1ac5a91086b2a04e781ae2f8efe77fb8a0e40752c8011055298e3a58eebcab67a16ad78bc7653b76250b16a85fcd07c8b79d1fe1

    • C:\Users\Public\vbc.exe
      MD5

      6e32cd4a3fac5e6b0b5f1c5659182f9e

      SHA1

      936778dec492c66f9249c5be27b13b79abcd7a04

      SHA256

      1dfce723a17d9979985d027a8b4bf09a943153bb9ff23d082b21825c41104f96

      SHA512

      067e97197524bab713b1c6bd1ac5a91086b2a04e781ae2f8efe77fb8a0e40752c8011055298e3a58eebcab67a16ad78bc7653b76250b16a85fcd07c8b79d1fe1

    • \Users\Public\vbc.exe
      MD5

      6e32cd4a3fac5e6b0b5f1c5659182f9e

      SHA1

      936778dec492c66f9249c5be27b13b79abcd7a04

      SHA256

      1dfce723a17d9979985d027a8b4bf09a943153bb9ff23d082b21825c41104f96

      SHA512

      067e97197524bab713b1c6bd1ac5a91086b2a04e781ae2f8efe77fb8a0e40752c8011055298e3a58eebcab67a16ad78bc7653b76250b16a85fcd07c8b79d1fe1

    • \Users\Public\vbc.exe
      MD5

      6e32cd4a3fac5e6b0b5f1c5659182f9e

      SHA1

      936778dec492c66f9249c5be27b13b79abcd7a04

      SHA256

      1dfce723a17d9979985d027a8b4bf09a943153bb9ff23d082b21825c41104f96

      SHA512

      067e97197524bab713b1c6bd1ac5a91086b2a04e781ae2f8efe77fb8a0e40752c8011055298e3a58eebcab67a16ad78bc7653b76250b16a85fcd07c8b79d1fe1

    • \Users\Public\vbc.exe
      MD5

      6e32cd4a3fac5e6b0b5f1c5659182f9e

      SHA1

      936778dec492c66f9249c5be27b13b79abcd7a04

      SHA256

      1dfce723a17d9979985d027a8b4bf09a943153bb9ff23d082b21825c41104f96

      SHA512

      067e97197524bab713b1c6bd1ac5a91086b2a04e781ae2f8efe77fb8a0e40752c8011055298e3a58eebcab67a16ad78bc7653b76250b16a85fcd07c8b79d1fe1

    • \Users\Public\vbc.exe
      MD5

      6e32cd4a3fac5e6b0b5f1c5659182f9e

      SHA1

      936778dec492c66f9249c5be27b13b79abcd7a04

      SHA256

      1dfce723a17d9979985d027a8b4bf09a943153bb9ff23d082b21825c41104f96

      SHA512

      067e97197524bab713b1c6bd1ac5a91086b2a04e781ae2f8efe77fb8a0e40752c8011055298e3a58eebcab67a16ad78bc7653b76250b16a85fcd07c8b79d1fe1

    • memory/384-75-0x0000000004ED0000-0x0000000004ED1000-memory.dmp
      Filesize

      4KB

    • memory/384-78-0x0000000000970000-0x0000000000994000-memory.dmp
      Filesize

      144KB

    • memory/384-68-0x0000000000000000-mapping.dmp
    • memory/384-77-0x0000000005110000-0x0000000005178000-memory.dmp
      Filesize

      416KB

    • memory/384-71-0x0000000001250000-0x0000000001251000-memory.dmp
      Filesize

      4KB

    • memory/384-76-0x00000000003F0000-0x000000000040E000-memory.dmp
      Filesize

      120KB

    • memory/904-74-0x000007FEFC411000-0x000007FEFC413000-memory.dmp
      Filesize

      8KB

    • memory/904-73-0x0000000000000000-mapping.dmp
    • memory/1064-63-0x00000000765F1000-0x00000000765F3000-memory.dmp
      Filesize

      8KB

    • memory/1924-79-0x0000000000400000-0x00000000004A2000-memory.dmp
      Filesize

      648KB

    • memory/1924-80-0x00000000004139DE-mapping.dmp
    • memory/1924-83-0x0000000000400000-0x00000000004A2000-memory.dmp
      Filesize

      648KB

    • memory/2028-60-0x0000000072FC1000-0x0000000072FC4000-memory.dmp
      Filesize

      12KB

    • memory/2028-62-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/2028-61-0x0000000070A41000-0x0000000070A43000-memory.dmp
      Filesize

      8KB