Overview

overview

10

Static

static

1

aa97786e9a...d9.exe

windows7-x64

10

aa97786e9a...d9.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    aa97786e9adf76f6defc26e6dae534e5c274cac67b85e53b1386e5aae31d5ed9.exe

  • Size

    4.0MB

  • Sample

    240616-bq65matclb

  • MD5

    5788c3ef67c6f46dcb70081d218a12c2

  • SHA1

    2ac0a7389a51ad40bb75644a57ce4ba54a0265b1

  • SHA256

    aa97786e9adf76f6defc26e6dae534e5c274cac67b85e53b1386e5aae31d5ed9

  • SHA512

    eab43f8b8c993f08f524c9f6008b4534b0a1dca955ff84baf3bce71fa2bcaad873a0bb5376ebbd77140efe3136c3cb74a4c41fe6fded8ac0d50347f20dd5321e

  • SSDEEP

    49152:7QCRvUGbevNhRghAcQGKr44XNFRDcCvxzJyLmxEULS1S496+lxB:7QCRvUGsBgmcQHr44XKCvJJyLmxTi/9l

Score
10/10
stealcvidarstealer

Malware Config

Extracted

Family

stealc

rc4.plain

Extracted

Family

vidar

C2

https://88.99.127.107

https://t.me/memve4erin

https://steamcommunity.com/profiles/76561199699680841
Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:129.0) Gecko/20100101 Firefox/129.0

Targets

    • Target

      aa97786e9adf76f6defc26e6dae534e5c274cac67b85e53b1386e5aae31d5ed9.exe

    • Size

      4.0MB

    • MD5

      5788c3ef67c6f46dcb70081d218a12c2

    • SHA1

      2ac0a7389a51ad40bb75644a57ce4ba54a0265b1

    • SHA256

      aa97786e9adf76f6defc26e6dae534e5c274cac67b85e53b1386e5aae31d5ed9

    • SHA512

      eab43f8b8c993f08f524c9f6008b4534b0a1dca955ff84baf3bce71fa2bcaad873a0bb5376ebbd77140efe3136c3cb74a4c41fe6fded8ac0d50347f20dd5321e

    • SSDEEP

      49152:7QCRvUGbevNhRghAcQGKr44XNFRDcCvxzJyLmxEULS1S496+lxB:7QCRvUGsBgmcQHr44XKCvJJyLmxTi/9l

    Score
    10/10
    stealcvidarstealer

    • Detect Vidar Stealer

      stealer

    • Stealc

      Stealc is an infostealer written in C++.

      stealerstealc

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

      stealervidar

    • Detects Windows executables referencing non-Windows User-Agents

    • Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion

    • Detects executables containing potential Windows Defender anti-emulation checks

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks