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Analysis

  • max time kernel
    127s
  • max time network
    132s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    20/09/2023, 07:52

General

  • Target

    MV SEA CALYPSO.xls

  • Size

    1.1MB

  • MD5

    8b4e0b87572717cfd3f2ae76df8bb81c

  • SHA1

    40ffb77814149ac091e855d05efa3ae0c1193158

  • SHA256

    e27d7f51f333c66888b58f1baf06c3055787212fd0ff90b2a52de6e221ee4a7c

  • SHA512

    d8449da9d9eda3dd7c2fe8d2587bd7de9c36683f57b630eba06085842874cbad22e1a7f0d82479a65530e18408de159464a8a23cdc844d2ca5d93cbdb604a4bc

  • SSDEEP

    24576:FWQmmav30xSZy6w6VH6NXFZyLw6V56NHsz5vVQcTAZeiyfSwIN:EQmmQ306+6Va1P6VgaVVrTgyqD

Malware Config

Extracted

Family

lokibot

C2

http://mous.midlandpaper.icu/_errorpages/mous/five/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 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 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 4 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\MV SEA CALYPSO.xls"
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:2944
  • 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:2644
    • C:\Users\Admin\AppData\Roaming\TiWorker.exe
      "C:\Users\Admin\AppData\Roaming\TiWorker.exe"
      2⤵
      • Executes dropped EXE
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2536

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\68AE556.emf

    Filesize

    1.4MB

    MD5

    a01b9617553432807b9b58025b338d97

    SHA1

    439bdcc450408b9735b2428c2d53d2e6977fa58c

    SHA256

    7a0426ed2e2349916969ff7087c0f76089fb8ce7f4627f3d11ccbc1aaefcedce

    SHA512

    312cc2563fa865d6a939fea85a520627c73ed9a95bafc98c89495f21d535dc658825be74b64f0f5c5815d1d234fc6e77a71779247e4973e39ba8dccec2f09bee

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.MSO\6A900A08.emf

    Filesize

    12.7MB

    MD5

    2ed40ac4115e14902661c1c56cc56c5e

    SHA1

    4e6857bb5489221916ebad17ad6dca0963cd62f8

    SHA256

    b3de17d3715af011dae177ee5627adb40a58dd978e8418f8c8eeeda79f095de4

    SHA512

    8e514d9cf45932dce5db64bb16944fef673e73d7ff32feea0515c343cbfc538d591767505bacd45bd695c1c555efe68dc374508a2f7197a079bb264f932d2b36

  • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-86725733-3001458681-3405935542-1000\0f5007522459c86e95ffcc62f32308f1_f8462d6b-7d99-409c-b6aa-08f77c38ad4f

    Filesize

    46B

    MD5

    c07225d4e7d01d31042965f048728a0a

    SHA1

    69d70b340fd9f44c89adb9a2278df84faa9906b7

    SHA256

    8c136c7ae08020ad16fd1928e36ad335ddef8b85906d66b712fff049aa57dc9a

    SHA512

    23d3cea738e1abf561320847c39dadc8b5794d7bd8761b0457956f827a17ad2556118b909a3e6929db79980ccf156a6f58ac823cf88329e62417d2807b34b64b

  • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-86725733-3001458681-3405935542-1000\0f5007522459c86e95ffcc62f32308f1_f8462d6b-7d99-409c-b6aa-08f77c38ad4f

    Filesize

    46B

    MD5

    d898504a722bff1524134c6ab6a5eaa5

    SHA1

    e0fdc90c2ca2a0219c99d2758e68c18875a3e11e

    SHA256

    878f32f76b159494f5a39f9321616c6068cdb82e88df89bcc739bbc1ea78e1f9

    SHA512

    26a4398bffb0c0aef9a6ec53cd3367a2d0abf2f70097f711bbbf1e9e32fd9f1a72121691bb6a39eeb55d596edd527934e541b4defb3b1426b1d1a6429804dc61

  • C:\Users\Admin\AppData\Roaming\TiWorker.exe

    Filesize

    266KB

    MD5

    ec1b1e9118b85599e702620abf7e9301

    SHA1

    c0329c13b794364e46b2789d0237bb79bed5b95f

    SHA256

    f8e17678a05033140083776cde158aecc2126bb3d0ca09fed9c2cb413cc7b002

    SHA512

    c33def45321aaa2675cb09d899a7b46e2d19f6cc48b81cc170180bd1413986e31bf870f9c69e15b59dd5ed1e67aac42a3a301e3b4c20263ec232a61e2a208b9c

  • C:\Users\Admin\AppData\Roaming\TiWorker.exe

    Filesize

    266KB

    MD5

    ec1b1e9118b85599e702620abf7e9301

    SHA1

    c0329c13b794364e46b2789d0237bb79bed5b95f

    SHA256

    f8e17678a05033140083776cde158aecc2126bb3d0ca09fed9c2cb413cc7b002

    SHA512

    c33def45321aaa2675cb09d899a7b46e2d19f6cc48b81cc170180bd1413986e31bf870f9c69e15b59dd5ed1e67aac42a3a301e3b4c20263ec232a61e2a208b9c

  • C:\Users\Admin\AppData\Roaming\tiworker.exe

    Filesize

    266KB

    MD5

    ec1b1e9118b85599e702620abf7e9301

    SHA1

    c0329c13b794364e46b2789d0237bb79bed5b95f

    SHA256

    f8e17678a05033140083776cde158aecc2126bb3d0ca09fed9c2cb413cc7b002

    SHA512

    c33def45321aaa2675cb09d899a7b46e2d19f6cc48b81cc170180bd1413986e31bf870f9c69e15b59dd5ed1e67aac42a3a301e3b4c20263ec232a61e2a208b9c

  • \Users\Admin\AppData\Roaming\TiWorker.exe

    Filesize

    266KB

    MD5

    ec1b1e9118b85599e702620abf7e9301

    SHA1

    c0329c13b794364e46b2789d0237bb79bed5b95f

    SHA256

    f8e17678a05033140083776cde158aecc2126bb3d0ca09fed9c2cb413cc7b002

    SHA512

    c33def45321aaa2675cb09d899a7b46e2d19f6cc48b81cc170180bd1413986e31bf870f9c69e15b59dd5ed1e67aac42a3a301e3b4c20263ec232a61e2a208b9c

  • \Users\Admin\AppData\Roaming\TiWorker.exe

    Filesize

    266KB

    MD5

    ec1b1e9118b85599e702620abf7e9301

    SHA1

    c0329c13b794364e46b2789d0237bb79bed5b95f

    SHA256

    f8e17678a05033140083776cde158aecc2126bb3d0ca09fed9c2cb413cc7b002

    SHA512

    c33def45321aaa2675cb09d899a7b46e2d19f6cc48b81cc170180bd1413986e31bf870f9c69e15b59dd5ed1e67aac42a3a301e3b4c20263ec232a61e2a208b9c

  • memory/2536-44-0x00000000008C0000-0x00000000009C0000-memory.dmp

    Filesize

    1024KB

  • memory/2536-23-0x0000000000400000-0x0000000000711000-memory.dmp

    Filesize

    3.1MB

  • memory/2536-45-0x0000000000220000-0x000000000023B000-memory.dmp

    Filesize

    108KB

  • memory/2536-46-0x0000000000400000-0x0000000000711000-memory.dmp

    Filesize

    3.1MB

  • memory/2536-22-0x0000000000220000-0x000000000023B000-memory.dmp

    Filesize

    108KB

  • memory/2536-21-0x00000000008C0000-0x00000000009C0000-memory.dmp

    Filesize

    1024KB

  • memory/2944-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2944-43-0x00000000728DD000-0x00000000728E8000-memory.dmp

    Filesize

    44KB

  • memory/2944-59-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2944-1-0x00000000728DD000-0x00000000728E8000-memory.dmp

    Filesize

    44KB

  • memory/2944-72-0x00000000728DD000-0x00000000728E8000-memory.dmp

    Filesize

    44KB