Resubmissions

23-02-2024 03:45

240223-ea6qpsaf9t 10

23-02-2024 02:03

240223-cg4htahg5x 10

Analysis

  • max time kernel
    144s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    23-02-2024 02:03

General

  • Target

    078981526fd0969e928c1b785c9e1da97ff159248dabf04132ea8fab9347acf6.exe

  • Size

    2.4MB

  • MD5

    a6920289f8f1fb4703affb99f7f3b81e

  • SHA1

    acfdbe080c8d33b1dad1926a09dd503a8cf538b5

  • SHA256

    078981526fd0969e928c1b785c9e1da97ff159248dabf04132ea8fab9347acf6

  • SHA512

    72c6c0463bb71432c683be28f95c5e195f802c3be2df8802ad780a1ddb5cd74c709c2855e20e436c510716088e1a233c11505d2f8465a926334f34674967eac2

  • SSDEEP

    49152:DiG7qkCfG92E6pCeNET1yww+6jbNGyBq4rRN6WjQWg95fg:DiLffG9P6zNE56+6dGy84zPmi

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 8 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\078981526fd0969e928c1b785c9e1da97ff159248dabf04132ea8fab9347acf6.exe
    "C:\Users\Admin\AppData\Local\Temp\078981526fd0969e928c1b785c9e1da97ff159248dabf04132ea8fab9347acf6.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:2012
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2012 -s 164
      2⤵
      • Program crash
      PID:2580

Network

MITRE ATT&CK Matrix ATT&CK v13

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/2012-0-0x0000000000DE0000-0x0000000001445000-memory.dmp
    Filesize

    6.4MB

  • memory/2012-1-0x0000000077740000-0x0000000077742000-memory.dmp
    Filesize

    8KB

  • memory/2012-2-0x0000000000DE0000-0x0000000001445000-memory.dmp
    Filesize

    6.4MB

  • memory/2012-3-0x0000000000DE0000-0x0000000001445000-memory.dmp
    Filesize

    6.4MB

  • memory/2012-4-0x0000000000DE0000-0x0000000001445000-memory.dmp
    Filesize

    6.4MB

  • memory/2012-5-0x0000000000DE0000-0x0000000001445000-memory.dmp
    Filesize

    6.4MB

  • memory/2012-6-0x0000000000DE0000-0x0000000001445000-memory.dmp
    Filesize

    6.4MB

  • memory/2012-7-0x0000000000DE0000-0x0000000001445000-memory.dmp
    Filesize

    6.4MB

  • memory/2012-8-0x00000000001B0000-0x00000000001B1000-memory.dmp
    Filesize

    4KB

  • memory/2012-9-0x0000000000DE0000-0x0000000001445000-memory.dmp
    Filesize

    6.4MB