Overview

overview

10

Static

static

3

b8d9230312...61.exe

windows7-x64

10

b8d9230312...61.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b8d9230312ce7eacf9b5f7e0d2646333ba217803e3c895aac4f6a811a5987161

  • Size

    2.0MB

  • Sample

    240526-vq1sdsed96

  • MD5

    b7a39ab5c0606b40e68a73f27c2144ce

  • SHA1

    fdce688384285ca7b474a7f1f042a53ddbbce79f

  • SHA256

    b8d9230312ce7eacf9b5f7e0d2646333ba217803e3c895aac4f6a811a5987161

  • SHA512

    7c2ad589f7a9178612ba9ecc77a69dac1f3cb0ebb776d390bbe2ffd54d88a0109c9392d2986e6b2b0c15d9de7394f816e22c146b11683b777c64c98b161f6274

  • SSDEEP

    49152:OePpQEFJtTF+TxMoxc1TU+j+dAzGwlrh:OePpQEFtIuoITsdZ

Score
10/10
stealcvidardiscoveryspywarestealer

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://steamcommunity.com/profiles/76561199689717899

https://t.me/copterwin
Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0

Targets

    • Target

      b8d9230312ce7eacf9b5f7e0d2646333ba217803e3c895aac4f6a811a5987161

    • Size

      2.0MB

    • MD5

      b7a39ab5c0606b40e68a73f27c2144ce

    • SHA1

      fdce688384285ca7b474a7f1f042a53ddbbce79f

    • SHA256

      b8d9230312ce7eacf9b5f7e0d2646333ba217803e3c895aac4f6a811a5987161

    • SHA512

      7c2ad589f7a9178612ba9ecc77a69dac1f3cb0ebb776d390bbe2ffd54d88a0109c9392d2986e6b2b0c15d9de7394f816e22c146b11683b777c64c98b161f6274

    • SSDEEP

      49152:OePpQEFJtTF+TxMoxc1TU+j+dAzGwlrh:OePpQEFtIuoITsdZ

    Score
    10/10
    stealcvidardiscoveryspywarestealer

    • Detect Vidar Stealer

      stealer

    • Stealc

      Stealc is an infostealer written in C++.

      stealerstealc

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

      stealervidar

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Checks installed software on the system

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

      discovery

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks