Overview

overview

10

Static

static

3

cdc551888c...a7.exe

windows7-x64

10

cdc551888c...a7.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    cdc551888c5e383bf9e4f62f2a075b3f3d07004f82f7071356b72465db22b8a7

  • Size

    1.8MB

  • Sample

    240523-hmm1xagg29

  • MD5

    b771a84de695bb44356e7f8183d7756f

  • SHA1

    3e1b56590fc989c0b86ab5bd0395f872d70ede9c

  • SHA256

    cdc551888c5e383bf9e4f62f2a075b3f3d07004f82f7071356b72465db22b8a7

  • SHA512

    56a2522eaeb4fa5a08e9dbdf83dc751303fafc4f52f36d8f58824b141fa94c7276c0054886c8093db9654658b6dc11810df5fb8c6a0be02d3507c0249d232eb7

  • SSDEEP

    24576:FBfuZfeq6slO6hTdtTF+TxMoxQH1Tj4wtjYZH1DmoYYzi3WH45yv+OueSJhm9e:F7qF3JtTF+TxMoxc1TU+j+dAzGwlrh

Score
10/10
stealcvidardiscoveryspywarestealer

Malware Config

Extracted

Family

stealc

rc4.plain

Targets

    • Target

      cdc551888c5e383bf9e4f62f2a075b3f3d07004f82f7071356b72465db22b8a7

    • Size

      1.8MB

    • MD5

      b771a84de695bb44356e7f8183d7756f

    • SHA1

      3e1b56590fc989c0b86ab5bd0395f872d70ede9c

    • SHA256

      cdc551888c5e383bf9e4f62f2a075b3f3d07004f82f7071356b72465db22b8a7

    • SHA512

      56a2522eaeb4fa5a08e9dbdf83dc751303fafc4f52f36d8f58824b141fa94c7276c0054886c8093db9654658b6dc11810df5fb8c6a0be02d3507c0249d232eb7

    • SSDEEP

      24576:FBfuZfeq6slO6hTdtTF+TxMoxQH1Tj4wtjYZH1DmoYYzi3WH45yv+OueSJhm9e:F7qF3JtTF+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