Overview

overview

9

Static

static

7

21d4f98a3a...6c.exe

windows7_x64

9

21d4f98a3a...6c.exe

windows10_x64

9

Analysis

  • max time kernel
    121s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    14-10-2021 06:11

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Report Analysis Logs

General

  • Target

    21d4f98a3a3a4799a2cf1c77c233f96c.exe

  • Size

    2.9MB

  • MD5

    21d4f98a3a3a4799a2cf1c77c233f96c

  • SHA1

    ce4a321b80629bcd7caeabd18e9b417292d8d146

  • SHA256

    5ab7c5851c7cbf56e8bd125fb94f3dd0b0504fc53a087b1ebb390ae1b769e0e0

  • SHA512

    dab62055d51655593cbf95b97be775bcc27fcfe3dfcbd4aa8138c4043fc8157d5472d786fea54711176640ff479d1eb58bf9ac7d0d143f288d266b14288f3fd4

Score
9/10
discoveryevasionspywarestealerthemidatrojan

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.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Themida packer 1 IoCs

    Detects Themida, an advanced Windows software protection system.

    themida
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
    spyware
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\21d4f98a3a3a4799a2cf1c77c233f96c.exe
    "C:\Users\Admin\AppData\Local\Temp\21d4f98a3a3a4799a2cf1c77c233f96c.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1384

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

2
T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • memory/1384-54-0x00000000768C1000-0x00000000768C3000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1384-57-0x00000000001F0000-0x00000000001F1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1384-59-0x0000000005190000-0x0000000005191000-memory.dmp
    Filesize

    4KB

    Download