Overview

overview

10

Static

static

3

f651b1e856...12.exe

windows7-x64

10

f651b1e856...12.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    f651b1e856e358c1857b12b28ce0b5d680a9def426a1bd639460674d6296ae12

  • Size

    2.0MB

  • Sample

    240526-lny2caef86

  • MD5

    44fc0c80adf8c8b171ca1f9a263e55d0

  • SHA1

    b0a8db5c98505321e6bf439cd1616f58c115f15b

  • SHA256

    f651b1e856e358c1857b12b28ce0b5d680a9def426a1bd639460674d6296ae12

  • SHA512

    a87f006b4610369cb42dc4c1b8a65ce19fd1a31d3a3e1cf2e159ac79b347ef2760256853d5e47aa0114835f7e11e401b9be6604a4d44a3c49134d0cc6ae0475e

  • SSDEEP

    49152:s4K3x1vUWJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18WtIuoITsdZ

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

      f651b1e856e358c1857b12b28ce0b5d680a9def426a1bd639460674d6296ae12

    • Size

      2.0MB

    • MD5

      44fc0c80adf8c8b171ca1f9a263e55d0

    • SHA1

      b0a8db5c98505321e6bf439cd1616f58c115f15b

    • SHA256

      f651b1e856e358c1857b12b28ce0b5d680a9def426a1bd639460674d6296ae12

    • SHA512

      a87f006b4610369cb42dc4c1b8a65ce19fd1a31d3a3e1cf2e159ac79b347ef2760256853d5e47aa0114835f7e11e401b9be6604a4d44a3c49134d0cc6ae0475e

    • SSDEEP

      49152:s4K3x1vUWJtTF+TxMoxc1TU+j+dAzGwlrh:s4Ex18WtIuoITsdZ

    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