Overview

overview

10

Static

static

3

16385329f0...b6.exe

windows7-x64

10

16385329f0...b6.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    16385329f031093c70f63f55d0a636698a7aada08c84cd13a1511ba65a5fc6b6.exe

  • Size

    2.4MB

  • Sample

    240524-nhyvhafb46

  • MD5

    a2a4b134591ef73161ce1e353605e858

  • SHA1

    9b4475a651023d26d35fe3980c9f4129b60e5f69

  • SHA256

    16385329f031093c70f63f55d0a636698a7aada08c84cd13a1511ba65a5fc6b6

  • SHA512

    15d19bd23784f519a6111a1960042fdf5f033fcb7ba54d1ce4c220129edb65da61a77fdbcf63148faa0971c1b25a7ca6bbe6b54ee17c3b08db3082c8e807f8a2

  • SSDEEP

    49152:jxIRJF1HL+VdX68kUmJtTF+TxMoxc1TU+j+dAzGwlrh:jEJF16dX68dmtIuoITsdZ

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

      16385329f031093c70f63f55d0a636698a7aada08c84cd13a1511ba65a5fc6b6.exe

    • Size

      2.4MB

    • MD5

      a2a4b134591ef73161ce1e353605e858

    • SHA1

      9b4475a651023d26d35fe3980c9f4129b60e5f69

    • SHA256

      16385329f031093c70f63f55d0a636698a7aada08c84cd13a1511ba65a5fc6b6

    • SHA512

      15d19bd23784f519a6111a1960042fdf5f033fcb7ba54d1ce4c220129edb65da61a77fdbcf63148faa0971c1b25a7ca6bbe6b54ee17c3b08db3082c8e807f8a2

    • SSDEEP

      49152:jxIRJF1HL+VdX68kUmJtTF+TxMoxc1TU+j+dAzGwlrh:jEJF16dX68dmtIuoITsdZ

    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