Overview

overview

10

Static

static

3

74f38a1dfb...7c.exe

windows7-x64

10

74f38a1dfb...7c.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    74f38a1dfba4bd0276b2dca58e0f17dc8fcdaa35041bff4fe28e25fde2aba57c

  • Size

    2.0MB

  • Sample

    240523-clklhaab95

  • MD5

    ebbc3fd72f69a49616297edae0490c29

  • SHA1

    199f3376e922de528d269202b1666ee66e670602

  • SHA256

    74f38a1dfba4bd0276b2dca58e0f17dc8fcdaa35041bff4fe28e25fde2aba57c

  • SHA512

    7aea2d562c136548bf9fdc80a5521010006776aa5f112b39e464c77abdb958a6b96ce6bb49dd643d552066c767effa3ce3a3be431c6fe3e93f0078df45cc747f

  • SSDEEP

    49152:IFno/jfgJtTF+TxMoxc1TU+j+dAzGkiT:IFno/j4tIuoITsdZT

Score
10/10
stealcvidardiscoveryspywarestealer

Malware Config

Extracted

Family

stealc

rc4.plain

Targets

    • Target

      74f38a1dfba4bd0276b2dca58e0f17dc8fcdaa35041bff4fe28e25fde2aba57c

    • Size

      2.0MB

    • MD5

      ebbc3fd72f69a49616297edae0490c29

    • SHA1

      199f3376e922de528d269202b1666ee66e670602

    • SHA256

      74f38a1dfba4bd0276b2dca58e0f17dc8fcdaa35041bff4fe28e25fde2aba57c

    • SHA512

      7aea2d562c136548bf9fdc80a5521010006776aa5f112b39e464c77abdb958a6b96ce6bb49dd643d552066c767effa3ce3a3be431c6fe3e93f0078df45cc747f

    • SSDEEP

      49152:IFno/jfgJtTF+TxMoxc1TU+j+dAzGkiT:IFno/j4tIuoITsdZT

    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