Analysis

  • max time kernel
    138s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    14/10/2020, 13:33

General

  • Target
    build.exe
  • Size 50KB
  • Sample201014-25vexq9rts
  • SHA256 62a3f96dbc53b59dc32cac8f2627992d4152cbd6735e488c4ae86f089dc97aa8
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • lokibot

C2
  • http://mecharnise.ir/eb4/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.

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies Windows Defender Real-time Protection settings 3 TTPs
  • Windows security bypass 2 TTPs
  • Drops startup file 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Windows security modification 2 TTPs 9 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 12 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 17 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\build.exe
    "C:\Users\Admin\AppData\Local\Temp\build.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Drops startup file
    • Windows security modification
    • Adds Run key to start application
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1124
    • C:\Windows\SysWOW64\timeout.exe
      timeout 4
      2⤵
      • Delays execution with timeout.exe
      PID:1688
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\build.exe" -Force
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1892
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\build.exe" -Force
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1952
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\build.exe" -Force
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1000
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\build.exe" -Force
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:572
    • C:\Users\Admin\AppData\Local\Temp\build.exe
      "C:\Users\Admin\AppData\Local\Temp\build.exe"
      2⤵
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      PID:764
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1124 -s 1892
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1064

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/572-15-0x0000000002350000-0x0000000002351000-memory.dmp

        memory/572-13-0x00000000746D0000-0x0000000074DBE000-memory.dmp

        memory/764-11-0x0000000000400000-0x00000000004A3000-memory.dmp

        memory/764-14-0x0000000000400000-0x00000000004A3000-memory.dmp

        memory/1000-33-0x0000000005280000-0x0000000005281000-memory.dmp

        memory/1000-17-0x00000000746D0000-0x0000000074DBE000-memory.dmp

        memory/1064-26-0x0000000001F10000-0x0000000001F21000-memory.dmp

        memory/1064-32-0x00000000026D0000-0x00000000026E1000-memory.dmp

        memory/1124-0-0x00000000746D0000-0x0000000074DBE000-memory.dmp

        memory/1124-4-0x0000000002240000-0x0000000002272000-memory.dmp

        memory/1124-1-0x0000000000990000-0x0000000000991000-memory.dmp

        memory/1892-39-0x0000000005650000-0x0000000005651000-memory.dmp

        memory/1892-74-0x0000000006300000-0x0000000006301000-memory.dmp

        memory/1892-75-0x0000000006310000-0x0000000006311000-memory.dmp

        memory/1892-59-0x0000000005610000-0x0000000005611000-memory.dmp

        memory/1892-52-0x0000000006280000-0x0000000006281000-memory.dmp

        memory/1892-45-0x0000000005750000-0x0000000005751000-memory.dmp

        memory/1892-44-0x0000000005700000-0x0000000005701000-memory.dmp

        memory/1892-10-0x00000000746D0000-0x0000000074DBE000-memory.dmp

        memory/1892-19-0x0000000004860000-0x0000000004861000-memory.dmp

        memory/1952-18-0x00000000746D0000-0x0000000074DBE000-memory.dmp

        memory/1952-28-0x00000000024D0000-0x00000000024D1000-memory.dmp

        memory/2028-27-0x000007FEF6AA0000-0x000007FEF6D1A000-memory.dmp