Analysis

  • max time kernel
    42s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    26-06-2022 05:25

General

  • Target

    CodSpoofer.exe

  • Size

    9.7MB

  • MD5

    b73b703a7bad26a004520bfc2f7d9991

  • SHA1

    44be69e21740f9aef70a552a9d9a1bc204238f18

  • SHA256

    db68bfffa183ba56793f6ed4500ce565d89ce08ba08e4b649afe806b2e3448e8

  • SHA512

    e3c36978bfaeb1692d207c48e8b62cc0ada935a3285980b254857d649491f11d06030abcda2144a2ea21be102b9e88a9fe53cca852a348c3ad03ad1bdf0364da

Malware Config

Signatures

  • 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.

  • Themida packer 9 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\CodSpoofer.exe
    "C:\Users\Admin\AppData\Local\Temp\CodSpoofer.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Drops file in System32 directory
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: RenamesItself
    PID:1044

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

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1044-54-0x000000013F7E0000-0x0000000140E15000-memory.dmp
    Filesize

    22.2MB

  • memory/1044-56-0x000000013F7E0000-0x0000000140E15000-memory.dmp
    Filesize

    22.2MB

  • memory/1044-58-0x0000000077290000-0x0000000077439000-memory.dmp
    Filesize

    1.7MB

  • memory/1044-55-0x000000013F7E0000-0x0000000140E15000-memory.dmp
    Filesize

    22.2MB

  • memory/1044-57-0x000000013F7E0000-0x0000000140E15000-memory.dmp
    Filesize

    22.2MB

  • memory/1044-59-0x000000013F7E0000-0x0000000140E15000-memory.dmp
    Filesize

    22.2MB

  • memory/1044-60-0x000000013F7E0000-0x0000000140E15000-memory.dmp
    Filesize

    22.2MB

  • memory/1044-61-0x000000013F7E0000-0x0000000140E15000-memory.dmp
    Filesize

    22.2MB

  • memory/1044-62-0x000000013F7E0000-0x0000000140E15000-memory.dmp
    Filesize

    22.2MB

  • memory/1044-63-0x000000013F7E0000-0x0000000140E15000-memory.dmp
    Filesize

    22.2MB

  • memory/1044-64-0x0000000077290000-0x0000000077439000-memory.dmp
    Filesize

    1.7MB