Overview

overview

10

Static

static

3

4e3c562eff...56.exe

windows7-x64

10

4e3c562eff...56.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4e3c562eff0b4bea108151b59db1e955a762d9162fec3dc765aceb3b1dc8bb56.exe

  • Size

    2.0MB

  • Sample

    240522-xhm8facf5s

  • MD5

    a3b23a6f0e450ce1e9876abb6e75f5cd

  • SHA1

    3484254a3dce93a72bf968452ec9f457341e996f

  • SHA256

    4e3c562eff0b4bea108151b59db1e955a762d9162fec3dc765aceb3b1dc8bb56

  • SHA512

    b6948f727f6f73e54daccfa545e4cdeec0c3a0f80713ba334136db41216fef3ab184a09c0b540f6e46e26a094cf00eeecac0a9128faedabafd6dbb0843b3371c

  • SSDEEP

    49152:7QzHt472DpJtTF+TxMoxc1TU+j+dAzGwlrh:7QzHtXtIuoITsdZ

Score
10/10
stealcvidardiscoveryspywarestealer

Malware Config

Extracted

Family

stealc

rc4.plain

Targets

    • Target

      4e3c562eff0b4bea108151b59db1e955a762d9162fec3dc765aceb3b1dc8bb56.exe

    • Size

      2.0MB

    • MD5

      a3b23a6f0e450ce1e9876abb6e75f5cd

    • SHA1

      3484254a3dce93a72bf968452ec9f457341e996f

    • SHA256

      4e3c562eff0b4bea108151b59db1e955a762d9162fec3dc765aceb3b1dc8bb56

    • SHA512

      b6948f727f6f73e54daccfa545e4cdeec0c3a0f80713ba334136db41216fef3ab184a09c0b540f6e46e26a094cf00eeecac0a9128faedabafd6dbb0843b3371c

    • SSDEEP

      49152:7QzHt472DpJtTF+TxMoxc1TU+j+dAzGwlrh:7QzHtXtIuoITsdZ

    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