Analysis

  • max time kernel
    160s
  • max time network
    164s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    04/02/2022, 08:25

General

  • Target
    FedEx Express AWB_Invoice.exe
  • Size 325KB
  • Sample220204-kbamjsfgc5
  • SHA256 96d24ecb1f16f686d133671714dbfb0bbf672ef3b8b51e4ad3c045d00c9b33db
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • lokibot

C2
  • http://128.199.46.58/~hgyf/?search=5fbc60a5616cd4b45654929504981815

  • 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.

  • Looks for VirtualBox Guest Additions in registry 2 TTPs
  • Looks for VMWare Tools registry key 2 TTPs
  • Sets service image path in registry 2 TTPs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FedEx Express AWB_Invoice.exe
    "C:\Users\Admin\AppData\Local\Temp\FedEx Express AWB_Invoice.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks computer location settings
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:544
    • 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\FedEx Express AWB_Invoice.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2664
    • C:\Users\Admin\AppData\Local\Temp\FedEx Express AWB_Invoice.exe
      "C:\Users\Admin\AppData\Local\Temp\FedEx Express AWB_Invoice.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3564
  • C:\Windows\System32\WaaSMedicAgent.exe
    C:\Windows\System32\WaaSMedicAgent.exe 8ac9fd2ac7ee5fda191b05514bdd25fc LlwADoCY6kOVc9/o9W3pqw.0.1.0.0.0
    1⤵
    • Modifies data under HKEY_USERS
    PID:3840
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:3448
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k NetworkService -p
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    PID:1016

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/544-130-0x0000000000390000-0x00000000003E8000-memory.dmp

        memory/544-131-0x0000000005500000-0x0000000005AA4000-memory.dmp

        memory/544-132-0x0000000004E40000-0x0000000004ED2000-memory.dmp

        memory/544-133-0x0000000004F50000-0x00000000054F4000-memory.dmp

        memory/544-134-0x0000000004DA0000-0x0000000004DAA000-memory.dmp

        memory/544-135-0x0000000008820000-0x00000000088BC000-memory.dmp

        memory/544-136-0x0000000008930000-0x0000000008996000-memory.dmp

        memory/2664-141-0x0000000007002000-0x0000000007003000-memory.dmp

        memory/2664-139-0x0000000007050000-0x0000000007086000-memory.dmp

        memory/2664-140-0x0000000007000000-0x0000000007001000-memory.dmp

        memory/2664-142-0x00000000076C0000-0x0000000007CE8000-memory.dmp

        memory/2664-145-0x0000000007520000-0x0000000007542000-memory.dmp

        memory/2664-146-0x00000000075C0000-0x0000000007626000-memory.dmp

        memory/2664-147-0x0000000008560000-0x000000000857E000-memory.dmp

        memory/3564-143-0x0000000000400000-0x00000000004A2000-memory.dmp

        memory/3564-144-0x0000000000400000-0x00000000004A2000-memory.dmp