Overview

overview

10

Static

static

3

d33d17445d...93.exe

windows10-2004-x64

10

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General

  • Target

    4f664c42adf81ba9b3ad736a26f7a72c45d641a4164aabc6062e33f3ba2e62e2

  • Size

    835KB

  • Sample

    240417-qwnb2abd61

  • MD5

    a77ddc1e7e10208d0ea64676d34b6723

  • SHA1

    56c085bc3e637aa3e48bb96a037ebfabaad89c8a

  • SHA256

    4f664c42adf81ba9b3ad736a26f7a72c45d641a4164aabc6062e33f3ba2e62e2

  • SHA512

    7fbbc0780288339d7639714e6a5636277a8f08fb40a4a3a704801044fa38ec632ed908a41d960be78b8191f245447e7ebdb5dbfdfbda1eaa8685fd4075270419

  • SSDEEP

    24576:82HP6e8EnXBsYIWcmHQEO29T/IHeDSPc+HWOS0C:XCeFKY33BUOhBOSF

Score
10/10
mysticredlinesmokeloaderbrehabackdoorevasioninfostealerpersistencestealertrojan

Malware Config

Extracted

Family

redline

Botnet

breha

C2

77.91.124.55:19071

Targets

    • Target

      d33d17445df87212813fd8d4d849c66c90ac946e2d3deb9ade08d92c95d40a93.exe

    • Size

      878KB

    • MD5

      042e9ff3eb2884903c304965a6c3fd2e

    • SHA1

      d488b60fb1d1f0ada321fbe25554b3d79d95327c

    • SHA256

      d33d17445df87212813fd8d4d849c66c90ac946e2d3deb9ade08d92c95d40a93

    • SHA512

      e804377f2e5495ec1a4be6d257ebaa67ec269fc13c6436824b36c8ab31e236633c86b699ae8574d96b715d6ee7bd8bafb319387ce527b3546f857351886d4153

    • SSDEEP

      24576:byWSFeOSZ0QV/2J4UcTjJjAysYTz5dvqZym2FVKKJ1Ka+:OWCC0QVOaj/Jj1VX5dw2TfB

    Score
    10/10
    mysticredlinesmokeloaderbrehabackdoorevasioninfostealerpersistencestealertrojan

    • Detect Mystic stealer payload

    • Modifies Windows Defender Real-time Protection settings

      evasiontrojan

    • Mystic

      Mystic is an infostealer written in C++.

      stealermystic

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

      infostealerredline

    • RedLine payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

      trojanbackdoorsmokeloader

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

2
T1112

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Credential Access

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks