Overview

overview

10

Static

static

eafd60610c...11.exe

windows7_x64

10

eafd60610c...11.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    91s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    06-03-2022 22:09

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General

  • Target

    eafd60610c62cf0ffd94bd168c68bab0084f9a1b4d737262392d23eb4428ad11.exe

  • Size

    2.4MB

  • MD5

    32bef1e15011ae8f2e5b8b0ee40f947a

  • SHA1

    6dad2a93b9487f0ea6caf96ddb8130fc3023bd7d

  • SHA256

    eafd60610c62cf0ffd94bd168c68bab0084f9a1b4d737262392d23eb4428ad11

  • SHA512

    528425df1243b8b8a4f66de94de7d50a31ecb4b4937800e44815ce3a70fe637228de5bcc0c6bf23590d656f77fc749b02b863d9e2417f30c848589fb43ec0167

Score
10/10
darkstealerechelonbackdoorcollectiondiscoveryevasionspywarestealertrojan

Malware Config

Signatures

  • Darkstealer

    Darkstealer is a file grabber, data stealer, and RAT.

    trojanbackdoordarkstealer
  • Echelon

    Echelon is a .NET stealer that targets passwords from browsers, email and cryptocurrency clients.

    stealerspywareechelon
  • Echelon - DarkStealer Fork 2 IoCs

    Payload resembles modified variant of Echelon Stealer called DarkStealer.

    stealer
  • Echelon log file 1 IoCs

    Detects a log file produced by Echelon.

  • 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.

  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    evasion
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
    collection
  • Checks installed software on the system 1 TTPs

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

    discovery
  • Looks up external IP address via web service 3 IoCs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\eafd60610c62cf0ffd94bd168c68bab0084f9a1b4d737262392d23eb4428ad11.exe
    "C:\Users\Admin\AppData\Local\Temp\eafd60610c62cf0ffd94bd168c68bab0084f9a1b4d737262392d23eb4428ad11.exe"
    1⤵
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Accesses Microsoft Outlook profiles
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • outlook_office_path
    • outlook_win_path
    PID:916

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

1
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • memory/916-130-0x0000000077430000-0x00000000775D3000-memory.dmp
    Filesize

    1.6MB

    Download
  • memory/916-131-0x0000000074290000-0x0000000074A40000-memory.dmp
    Filesize

    7.7MB

    Download
  • memory/916-132-0x0000000000960000-0x0000000000F34000-memory.dmp
    Filesize

    5.8MB

    Download
  • memory/916-133-0x0000000000960000-0x0000000000F34000-memory.dmp
    Filesize

    5.8MB

    Download
  • memory/916-134-0x0000000007A00000-0x0000000007A66000-memory.dmp
    Filesize

    408KB

    Download
  • memory/916-135-0x0000000007C80000-0x0000000007C81000-memory.dmp
    Filesize

    4KB

    Download
  • memory/916-136-0x00000000081A0000-0x000000000823C000-memory.dmp
    Filesize

    624KB

    Download
  • memory/916-137-0x00000000083E0000-0x0000000008472000-memory.dmp
    Filesize

    584KB

    Download
  • memory/916-138-0x0000000009210000-0x00000000097B4000-memory.dmp
    Filesize

    5.6MB

    Download