Overview

overview

10

Static

static

3

709ce02f92...bc.exe

windows7-x64

10

709ce02f92...bc.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    709ce02f92a54505c17b9539101e19a61a782e53e0cc0fe3539ee78d6fca9ebc.exe

  • Size

    2.4MB

  • Sample

    240524-lktbpacf6w

  • MD5

    43c78cc0db1f316dd7a8aa93519d295b

  • SHA1

    100b7b134fe39fc96a1e5ee73a6e054ec2e3d168

  • SHA256

    709ce02f92a54505c17b9539101e19a61a782e53e0cc0fe3539ee78d6fca9ebc

  • SHA512

    1041e7f0364debc607ee02e8c6cbbe11ad52d6278910c95293adda74b0576275d70cc5a332d77c76f280b8ef0086f36a69226852fca49587a94339e1b986d525

  • SSDEEP

    49152:jxIRJF1HL+VdX68kUyJtTF+TxMoxc1TU+j+dAzGwlrh:jEJF16dX68dytIuoITsdZ

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

      709ce02f92a54505c17b9539101e19a61a782e53e0cc0fe3539ee78d6fca9ebc.exe

    • Size

      2.4MB

    • MD5

      43c78cc0db1f316dd7a8aa93519d295b

    • SHA1

      100b7b134fe39fc96a1e5ee73a6e054ec2e3d168

    • SHA256

      709ce02f92a54505c17b9539101e19a61a782e53e0cc0fe3539ee78d6fca9ebc

    • SHA512

      1041e7f0364debc607ee02e8c6cbbe11ad52d6278910c95293adda74b0576275d70cc5a332d77c76f280b8ef0086f36a69226852fca49587a94339e1b986d525

    • SSDEEP

      49152:jxIRJF1HL+VdX68kUyJtTF+TxMoxc1TU+j+dAzGwlrh:jEJF16dX68dytIuoITsdZ

    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 data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

      spywarestealer

    • 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

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

2
T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks