Analysis

  • max time kernel
    135s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 01:53

General

  • Target

    101(RSWM).exe

  • Size

    305KB

  • MD5

    8c773f54d8865476e70acffaf2bb8796

  • SHA1

    d2769f5d2951fc4af301a8727f0cd00a28427b0d

  • SHA256

    4f35e69645ec3551d0195844e432a1c258982a481d8acff446d403429ac43d1a

  • SHA512

    61efed13d3491f36ba34fc4a90732ba823638958984378c64d85f23ffd3a47b6fdea71844e9a378d6ec25029e974f7c2739973c8e0328ec1da7479c96044119f

Malware Config

Extracted

Family

lokibot

C2

http://siiigroup.com/gst/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.

  • suricata: ET MALWARE LokiBot Checkin

    suricata: ET MALWARE LokiBot Checkin

  • suricata: ET MALWARE LokiBot Request for C2 Commands Detected M1

    suricata: ET MALWARE LokiBot Request for C2 Commands Detected M1

  • suricata: ET MALWARE LokiBot User-Agent (Charon/Inferno)

    suricata: ET MALWARE LokiBot User-Agent (Charon/Inferno)

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

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

  • 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
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\101(RSWM).exe
    "C:\Users\Admin\AppData\Local\Temp\101(RSWM).exe"
    1⤵
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1496
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zBiTaUnNW" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEC24.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1008
    • C:\Users\Admin\AppData\Local\Temp\101(RSWM).exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:676

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpEC24.tmp

    Filesize

    1KB

    MD5

    38f84ab12ae8f16cabae42f1ad06c521

    SHA1

    2c787e38e69dd135f34518d83e8da5bdf303f89b

    SHA256

    a760b4572a5db877574f51ca233923903a9fa40103722a406f4df3f1dafd815e

    SHA512

    73283843060ec5a01afb20942dc6a24f92b2eabf109ad91f4553c56c4baf62ad8cd1322c6392f20edb7c86444b4f7bfdec81fa2acf7765e0da6f3f44da1dd9b8

  • memory/676-61-0x0000000000400000-0x00000000004A2000-memory.dmp

    Filesize

    648KB

  • memory/676-59-0x0000000000400000-0x00000000004A2000-memory.dmp

    Filesize

    648KB

  • memory/676-58-0x0000000000400000-0x00000000004A2000-memory.dmp

    Filesize

    648KB

  • memory/676-63-0x0000000000400000-0x00000000004A2000-memory.dmp

    Filesize

    648KB

  • memory/676-64-0x0000000000400000-0x00000000004A2000-memory.dmp

    Filesize

    648KB

  • memory/676-66-0x0000000000400000-0x00000000004A2000-memory.dmp

    Filesize

    648KB

  • memory/676-67-0x00000000004139DE-mapping.dmp

  • memory/676-69-0x0000000000400000-0x00000000004A2000-memory.dmp

    Filesize

    648KB

  • memory/676-71-0x0000000000400000-0x00000000004A2000-memory.dmp

    Filesize

    648KB

  • memory/1008-56-0x0000000000000000-mapping.dmp

  • memory/1496-55-0x0000000073FD0000-0x000000007457B000-memory.dmp

    Filesize

    5.7MB

  • memory/1496-54-0x0000000075711000-0x0000000075713000-memory.dmp

    Filesize

    8KB