Analysis

  • max time kernel
    102s
  • max time network
    94s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    28-07-2021 11:32

General

  • Target

    AMOUNT RECIEPT.doc.xlsx

  • Size

    1.2MB

  • MD5

    a746a19a87ba1b76b2e453c0ac7131e9

  • SHA1

    893dba0bd9b59d313207c3e91711988271306a8d

  • SHA256

    a60f5da18b43cee8b11581668df2284a37361f16f1994f21e2c9dab8e48f8298

  • SHA512

    f2ce5fa31859d2d4b9ba25cc29333eace054e58b5fae466fe3561137b6081a82c61dbce00e1cb0561b6e66f5934cbf517442a572563b0bf72c160c5e1b9dccec

Malware Config

Extracted

Family

lokibot

C2

http://185.227.139.18/dsaicosaicasdi.php/NHNmTUOdS6fzz

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 User-Agent (Charon/Inferno)
  • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
  • CustAttr .NET packer 1 IoCs

    Detects CustAttr .NET packer in memory.

  • Blocklisted process makes network request 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 IoCs
  • 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 9 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\AMOUNT RECIEPT.doc.xlsx"
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:2008
  • 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:804
    • C:\Users\Public\vbc.exe
      "C:\Users\Public\vbc.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1648
      • C:\Users\Public\vbc.exe
        "C:\Users\Public\vbc.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:2024

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Public\vbc.exe
    MD5

    e9f578801e3b556fd931a599d38c58db

    SHA1

    44219833ea565412d607cdbc0317ee2331333f9b

    SHA256

    0e4f0d2e0d90b452f22fc886ba7a35ffe11f2645360161a19230562689d43dba

    SHA512

    9f50028cfa79bf04592a900b77f04c9ce2899481fefc7aeebb7b17700025f6909b7ca50162937fd54f3428f16048bf451cebd11a9e9965f42b652bc0f4a9b3a3

  • C:\Users\Public\vbc.exe
    MD5

    e9f578801e3b556fd931a599d38c58db

    SHA1

    44219833ea565412d607cdbc0317ee2331333f9b

    SHA256

    0e4f0d2e0d90b452f22fc886ba7a35ffe11f2645360161a19230562689d43dba

    SHA512

    9f50028cfa79bf04592a900b77f04c9ce2899481fefc7aeebb7b17700025f6909b7ca50162937fd54f3428f16048bf451cebd11a9e9965f42b652bc0f4a9b3a3

  • C:\Users\Public\vbc.exe
    MD5

    e9f578801e3b556fd931a599d38c58db

    SHA1

    44219833ea565412d607cdbc0317ee2331333f9b

    SHA256

    0e4f0d2e0d90b452f22fc886ba7a35ffe11f2645360161a19230562689d43dba

    SHA512

    9f50028cfa79bf04592a900b77f04c9ce2899481fefc7aeebb7b17700025f6909b7ca50162937fd54f3428f16048bf451cebd11a9e9965f42b652bc0f4a9b3a3

  • \Users\Public\vbc.exe
    MD5

    e9f578801e3b556fd931a599d38c58db

    SHA1

    44219833ea565412d607cdbc0317ee2331333f9b

    SHA256

    0e4f0d2e0d90b452f22fc886ba7a35ffe11f2645360161a19230562689d43dba

    SHA512

    9f50028cfa79bf04592a900b77f04c9ce2899481fefc7aeebb7b17700025f6909b7ca50162937fd54f3428f16048bf451cebd11a9e9965f42b652bc0f4a9b3a3

  • \Users\Public\vbc.exe
    MD5

    e9f578801e3b556fd931a599d38c58db

    SHA1

    44219833ea565412d607cdbc0317ee2331333f9b

    SHA256

    0e4f0d2e0d90b452f22fc886ba7a35ffe11f2645360161a19230562689d43dba

    SHA512

    9f50028cfa79bf04592a900b77f04c9ce2899481fefc7aeebb7b17700025f6909b7ca50162937fd54f3428f16048bf451cebd11a9e9965f42b652bc0f4a9b3a3

  • \Users\Public\vbc.exe
    MD5

    e9f578801e3b556fd931a599d38c58db

    SHA1

    44219833ea565412d607cdbc0317ee2331333f9b

    SHA256

    0e4f0d2e0d90b452f22fc886ba7a35ffe11f2645360161a19230562689d43dba

    SHA512

    9f50028cfa79bf04592a900b77f04c9ce2899481fefc7aeebb7b17700025f6909b7ca50162937fd54f3428f16048bf451cebd11a9e9965f42b652bc0f4a9b3a3

  • \Users\Public\vbc.exe
    MD5

    e9f578801e3b556fd931a599d38c58db

    SHA1

    44219833ea565412d607cdbc0317ee2331333f9b

    SHA256

    0e4f0d2e0d90b452f22fc886ba7a35ffe11f2645360161a19230562689d43dba

    SHA512

    9f50028cfa79bf04592a900b77f04c9ce2899481fefc7aeebb7b17700025f6909b7ca50162937fd54f3428f16048bf451cebd11a9e9965f42b652bc0f4a9b3a3

  • memory/804-63-0x00000000760B1000-0x00000000760B3000-memory.dmp
    Filesize

    8KB

  • memory/1648-73-0x0000000000490000-0x0000000000491000-memory.dmp
    Filesize

    4KB

  • memory/1648-78-0x00000000001D0000-0x00000000001DB000-memory.dmp
    Filesize

    44KB

  • memory/1648-80-0x00000000004E0000-0x0000000000501000-memory.dmp
    Filesize

    132KB

  • memory/1648-71-0x00000000012A0000-0x00000000012A1000-memory.dmp
    Filesize

    4KB

  • memory/1648-79-0x0000000004EF0000-0x0000000004F51000-memory.dmp
    Filesize

    388KB

  • memory/1648-68-0x0000000000000000-mapping.dmp
  • memory/2008-74-0x00000000058D0000-0x00000000058D3000-memory.dmp
    Filesize

    12KB

  • memory/2008-77-0x00000000058D7000-0x00000000058DA000-memory.dmp
    Filesize

    12KB

  • memory/2008-76-0x00000000058D5000-0x00000000058D7000-memory.dmp
    Filesize

    8KB

  • memory/2008-75-0x00000000058D3000-0x00000000058D5000-memory.dmp
    Filesize

    8KB

  • memory/2008-60-0x000000002FE31000-0x000000002FE34000-memory.dmp
    Filesize

    12KB

  • memory/2008-62-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/2008-61-0x0000000071141000-0x0000000071143000-memory.dmp
    Filesize

    8KB

  • memory/2008-86-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/2024-82-0x00000000004139DE-mapping.dmp
  • memory/2024-81-0x0000000000400000-0x00000000004A2000-memory.dmp
    Filesize

    648KB

  • memory/2024-85-0x0000000000400000-0x00000000004A2000-memory.dmp
    Filesize

    648KB