Overview

overview

9

Static

static

7

8ff3f51776...03.exe

windows7_x64

9

8ff3f51776...03.exe

windows10_x64

9

Analysis

  • max time kernel
    118s
  • max time network
    126s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    23-01-2022 20:07

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General

  • Target

    8ff3f51776ed5ef872a5e69f6c641503.exe

  • Size

    2.7MB

  • MD5

    8ff3f51776ed5ef872a5e69f6c641503

  • SHA1

    109691db87426c824f806c13320fd1220303e488

  • SHA256

    d230980a059638f28c204c2d94839c60bea25cd9332a52b4ea66e340e2923950

  • SHA512

    b0d294731a129c4f42a9ce1b9eb6f3bcf8283f41abcbb82999a46844501c1f2d051518074d056919ed5566dff42fc90a03909f7c23d6a17478a0a7b7da1277e4

Score
9/10
evasionthemidatrojan

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
    evasion
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Themida packer 4 IoCs

    Detects Themida, an advanced Windows software protection system.

    themida
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8ff3f51776ed5ef872a5e69f6c641503.exe
    "C:\Users\Admin\AppData\Local\Temp\8ff3f51776ed5ef872a5e69f6c641503.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:3972

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • memory/3972-115-0x0000000000BE0000-0x00000000012B7000-memory.dmp
    Filesize

    6.8MB

    Download
  • memory/3972-116-0x0000000000BE0000-0x00000000012B7000-memory.dmp
    Filesize

    6.8MB

    Download
  • memory/3972-117-0x0000000000BE0000-0x00000000012B7000-memory.dmp
    Filesize

    6.8MB

    Download
  • memory/3972-118-0x0000000000BE0000-0x00000000012B7000-memory.dmp
    Filesize

    6.8MB

    Download
  • memory/3972-119-0x0000000076F90000-0x000000007711E000-memory.dmp
    Filesize

    1.6MB

    Download