Analysis

  • max time kernel
    46s
  • max time network
    52s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    01-07-2022 03:08

General

  • Target

    77c3107fbeb08e09ebb0ef9da00e8a2f0ec51f40934df44ed24f965191c9011f.exe

  • Size

    2.6MB

  • MD5

    df8ab716bb924036201db252dcfe5d21

  • SHA1

    a511c8dd8c615fb485d58fb98746a18b95181412

  • SHA256

    77c3107fbeb08e09ebb0ef9da00e8a2f0ec51f40934df44ed24f965191c9011f

  • SHA512

    40b1b819135abe218f5a5759a6d3f57309f1a10de514eee554459f6c31e8d12550c1d9c1909cdcc727769b1cc2ba7cff683e8016aba618ec0258ba820d6f8a8e

Malware Config

Signatures

  • KPOT

    KPOT is an information stealer that steals user data and account credentials.

  • KPOT Core Executable 4 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Deletes itself 1 IoCs
  • Themida packer 6 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\77c3107fbeb08e09ebb0ef9da00e8a2f0ec51f40934df44ed24f965191c9011f.exe
    "C:\Users\Admin\AppData\Local\Temp\77c3107fbeb08e09ebb0ef9da00e8a2f0ec51f40934df44ed24f965191c9011f.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of WriteProcessMemory
    PID:1528
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c ping 127.0.0.1 && del "C:\Users\Admin\AppData\Local\Temp\77c3107fbeb08e09ebb0ef9da00e8a2f0ec51f40934df44ed24f965191c9011f.exe"
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:992
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:2012

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Discovery

Query Registry

2
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

3
T1082

Remote System Discovery

1
T1018

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/992-60-0x0000000000000000-mapping.dmp
  • memory/1528-54-0x0000000075391000-0x0000000075393000-memory.dmp
    Filesize

    8KB

  • memory/1528-55-0x0000000000BF0000-0x0000000001287000-memory.dmp
    Filesize

    6.6MB

  • memory/1528-56-0x0000000077910000-0x0000000077A90000-memory.dmp
    Filesize

    1.5MB

  • memory/1528-57-0x0000000000BF0000-0x0000000001287000-memory.dmp
    Filesize

    6.6MB

  • memory/1528-58-0x0000000000BF0000-0x0000000001287000-memory.dmp
    Filesize

    6.6MB

  • memory/1528-59-0x0000000000BF0000-0x0000000001287000-memory.dmp
    Filesize

    6.6MB

  • memory/1528-61-0x0000000000BF0000-0x0000000001287000-memory.dmp
    Filesize

    6.6MB

  • memory/1528-63-0x0000000077910000-0x0000000077A90000-memory.dmp
    Filesize

    1.5MB

  • memory/2012-62-0x0000000000000000-mapping.dmp