Analysis

  • max time kernel
    140s
  • max time network
    146s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    08-04-2021 07:04

General

  • Target

    kayo.exe

  • Size

    29KB

  • MD5

    7b9af96c1828d52a8d6380b02ef72c18

  • SHA1

    28a32a49f3d857ba4e869901e85328b2fa2cdc10

  • SHA256

    7aeaa9cbabc54c36844d5852172c449865bf4c524693ae7aa9909b87627052fa

  • SHA512

    c50ed68634623a85754c32b79ee3a264b327892867e21888b6d9d14b2ef57a2782fa588446b650c29ba0b795dc1291546c40aea27fb5ec8d85ff9226bc87e04f

Malware Config

Extracted

Family

lokibot

C2

http://amrp.tw/kayo/gate.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.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 16 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Delays execution with timeout.exe 1 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 17 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\kayo.exe
    "C:\Users\Admin\AppData\Local\Temp\kayo.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:428
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c timeout 1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2292
      • C:\Windows\SysWOW64\timeout.exe
        timeout 1
        3⤵
        • Delays execution with timeout.exe
        PID:3508
    • C:\Users\Admin\AppData\Local\Temp\kayo.exe
      "C:\Users\Admin\AppData\Local\Temp\kayo.exe"
      2⤵
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      PID:2772
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 428 -s 2660
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:420

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/420-14-0x0000000004A80000-0x0000000004A81000-memory.dmp
    Filesize

    4KB

  • memory/428-2-0x0000000073160000-0x000000007384E000-memory.dmp
    Filesize

    6.9MB

  • memory/428-3-0x0000000000070000-0x0000000000071000-memory.dmp
    Filesize

    4KB

  • memory/428-5-0x00000000049A0000-0x00000000049A1000-memory.dmp
    Filesize

    4KB

  • memory/428-6-0x0000000005820000-0x0000000005821000-memory.dmp
    Filesize

    4KB

  • memory/428-7-0x0000000005780000-0x00000000057AB000-memory.dmp
    Filesize

    172KB

  • memory/428-10-0x00000000062F0000-0x00000000062F1000-memory.dmp
    Filesize

    4KB

  • memory/2292-8-0x0000000000000000-mapping.dmp
  • memory/2772-11-0x0000000000400000-0x00000000004A3000-memory.dmp
    Filesize

    652KB

  • memory/2772-12-0x00000000004139DE-mapping.dmp
  • memory/2772-13-0x0000000000400000-0x00000000004A3000-memory.dmp
    Filesize

    652KB

  • memory/3508-9-0x0000000000000000-mapping.dmp