Overview

overview

10

Static

static

3

2024-04-15...uk.exe

windows7-x64

1

2024-04-15...uk.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-04-15_35aec60c2249ab23755560b8d5dac110_ryuk

  • Size

    91KB

  • Sample

    240415-lk1qrsbb97

  • MD5

    35aec60c2249ab23755560b8d5dac110

  • SHA1

    10202cad9808cedceb7678f5ae61d2fd3c62fdd0

  • SHA256

    663aa7d7b7fe085b032b8d69be2eeae80a0a03dbc9f963028ba02c8f7de3ffdf

  • SHA512

    5223ffc3e471db91fd39d8158b691fd514f247e48ca02aa60910d4616df4dda87790f24d69bf33fe4dce198d5b5e35df426316df1f9c5efae756578f47ef886b

  • SSDEEP

    1536:0uRFSPMJQAS2K7+gZfkEgaIwgKG1sWVdc9dlDXnGa9VhR68rgv:0uzSPwq7BFkErHRGHUl3t9VhRZ

Score
10/10
cobaltstrikebackdoorpersistencetrojan

Malware Config

Extracted

Family

cobaltstrike

C2

http://38.55.23.144:4430/jquery-3.3.2.slim.min.js

Attributes
  • user_agent

    Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-Language: en-US,en;q=0.5 Referer: http://code.jquery.com/ Accept-Encoding: gzip, deflate User-Agent: Mozilla/5.0 (Windows NT 6.3; Trident/7.0; rv:11.0) like Gecko

Targets

    • Target

      2024-04-15_35aec60c2249ab23755560b8d5dac110_ryuk

    • Size

      91KB

    • MD5

      35aec60c2249ab23755560b8d5dac110

    • SHA1

      10202cad9808cedceb7678f5ae61d2fd3c62fdd0

    • SHA256

      663aa7d7b7fe085b032b8d69be2eeae80a0a03dbc9f963028ba02c8f7de3ffdf

    • SHA512

      5223ffc3e471db91fd39d8158b691fd514f247e48ca02aa60910d4616df4dda87790f24d69bf33fe4dce198d5b5e35df426316df1f9c5efae756578f47ef886b

    • SSDEEP

      1536:0uRFSPMJQAS2K7+gZfkEgaIwgKG1sWVdc9dlDXnGa9VhR68rgv:0uzSPwq7BFkErHRGHUl3t9VhRZ

    Score
    10/10
    cobaltstrikebackdoorpersistencetrojan

    • Cobaltstrike

      Detected malicious payload which is part of Cobaltstrike.

      trojanbackdoorcobaltstrike

    • Modifies Installed Components in the registry

      persistence

    • Adds Run key to start application

      persistence

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Defense Evasion

Modify Registry

3
T1112

Credential Access

Discovery

Query Registry

2
T1012

Peripheral Device Discovery

2
T1120

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks