Overview

overview

10

Static

static

10

WinformCrack.exe

windows7-x64

10

WinformCrack.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    WinformCrack.exe

  • Size

    3.1MB

  • Sample

    240323-xj1j6ade3s

  • MD5

    a64821e6d15cdc5f778e2d75a843a988

  • SHA1

    653c50d75df7da8035bbbdb45a6744f007846f98

  • SHA256

    c89e271601f509d5ab240913749a9bf28523dce349f13c59e648877d7a80b1b3

  • SHA512

    b29df36bf61c5926bf7fb881e706400f4ac830287a6a1af5102497c474c4664dc9573aa2cc5a55a0a67bf8bc473b0924cc515ed605304e815d95437e6912ab60

  • SSDEEP

    49152:WviI22SsaNYfdPBldt698dBcjH8iRJ65bR3LoGdjTHHB72eh2NT:Wvv22SsaNYfdPBldt6+dBcjH8iRJ67

Score
10/10
quasarslavespywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Slave

C2

140.238.91.110:34353

Mutex

25ab9d56-6ef2-47d3-99aa-2142fbcd41fa

Attributes
  • encryption_key

    8E710985199C6BF86CCE90DA92448A36E2F45F51

  • install_name

    XWormV5.6.exe

  • log_directory

    WindowsUPDLogs

  • reconnect_delay

    3000

  • startup_key

    Windows BIOS Update Checker

  • subdirectory

    SubDir

Targets

    • Target

      WinformCrack.exe

    • Size

      3.1MB

    • MD5

      a64821e6d15cdc5f778e2d75a843a988

    • SHA1

      653c50d75df7da8035bbbdb45a6744f007846f98

    • SHA256

      c89e271601f509d5ab240913749a9bf28523dce349f13c59e648877d7a80b1b3

    • SHA512

      b29df36bf61c5926bf7fb881e706400f4ac830287a6a1af5102497c474c4664dc9573aa2cc5a55a0a67bf8bc473b0924cc515ed605304e815d95437e6912ab60

    • SSDEEP

      49152:WviI22SsaNYfdPBldt698dBcjH8iRJ65bR3LoGdjTHHB72eh2NT:Wvv22SsaNYfdPBldt6+dBcjH8iRJ67

    Score
    10/10
    quasarslavespywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1
T1082

Query Registry

1
T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks