Overview

overview

10

Static

static

3

5dbb87520c...9e.exe

windows7-x64

10

5dbb87520c...9e.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    5dbb87520c278ce78dabbfc580ad7d068c6182af9f26ab87502f4166e400039e

  • Size

    1.8MB

  • Sample

    240526-d9qcbsdf3w

  • MD5

    16e6462f5eda4abaf006fe402469fc4e

  • SHA1

    334deeeda9415d9dc933ec17faf98e58dc3cf875

  • SHA256

    5dbb87520c278ce78dabbfc580ad7d068c6182af9f26ab87502f4166e400039e

  • SHA512

    0c788196898a6e2e8656136939b6682cba9fd2f1c306022343125bad3722a8ab061b529c4e9ace881f278e8ca38f397a04cd5637898b6045975dc7fa2bc30433

  • SSDEEP

    24576:FBfuZfeq6sJO6hTdtTF+TxMoxQH1Tj4wtjYZH1DmoYYzi3WH45yv+OueSJhm9e:F7qFTJtTF+TxMoxc1TU+j+dAzGwlrh

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

      5dbb87520c278ce78dabbfc580ad7d068c6182af9f26ab87502f4166e400039e

    • Size

      1.8MB

    • MD5

      16e6462f5eda4abaf006fe402469fc4e

    • SHA1

      334deeeda9415d9dc933ec17faf98e58dc3cf875

    • SHA256

      5dbb87520c278ce78dabbfc580ad7d068c6182af9f26ab87502f4166e400039e

    • SHA512

      0c788196898a6e2e8656136939b6682cba9fd2f1c306022343125bad3722a8ab061b529c4e9ace881f278e8ca38f397a04cd5637898b6045975dc7fa2bc30433

    • SSDEEP

      24576:FBfuZfeq6sJO6hTdtTF+TxMoxQH1Tj4wtjYZH1DmoYYzi3WH45yv+OueSJhm9e:F7qFTJtTF+TxMoxc1TU+j+dAzGwlrh

    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