Overview

overview

10

Static

static

8

JHGSD37623.exe

windows7-x64

8

JHGSD37623.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    JHGSD37623.exe

  • Size

    537KB

  • Sample

    221212-pllvsaea7s

  • MD5

    43f232536b413ebf169141944069ae77

  • SHA1

    0efc90691d45072ddd595cc4c2258e2f4bea42de

  • SHA256

    a227c96af593108664720742c60c200d370094fb1c2acf8ff5516611917f2c64

  • SHA512

    3adb48ae6dcdfbea2ac3bea9439e1d5d44884a3a5d5f3ac31ff9ad7a437f8a877a4ca8a1eda9213d4bced7e5c1181a0197aa957d422620a83fbbc745b0f470f6

  • SSDEEP

    12288:g4lThwQGIQilGzWTifG1g6eUtEsx1P5W1Zrr004mTbtoMA:RlTOFq7TifGG66sv5W1Zrndbt

Score
10/10
asyncratdefendersmartscrensystem guard runtimepersistenceratupx

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

System Guard Runtime

C2

85.105.88.221:2531

Mutex

System Guard Runtime

Attributes
  • delay

    3

  • install

    false

  • install_file

    System Guard Runtime

  • install_folder

    %AppData%

aes.plain

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

DefenderSmartScren

C2

217.64.31.3:8437

Mutex

DefenderSmartScren

Attributes
  • delay

    3

  • install

    false

  • install_file

    SecurityHealtheurvice.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      JHGSD37623.exe

    • Size

      537KB

    • MD5

      43f232536b413ebf169141944069ae77

    • SHA1

      0efc90691d45072ddd595cc4c2258e2f4bea42de

    • SHA256

      a227c96af593108664720742c60c200d370094fb1c2acf8ff5516611917f2c64

    • SHA512

      3adb48ae6dcdfbea2ac3bea9439e1d5d44884a3a5d5f3ac31ff9ad7a437f8a877a4ca8a1eda9213d4bced7e5c1181a0197aa957d422620a83fbbc745b0f470f6

    • SSDEEP

      12288:g4lThwQGIQilGzWTifG1g6eUtEsx1P5W1Zrr004mTbtoMA:RlTOFq7TifGG66sv5W1Zrndbt

    Score
    10/10
    upxasyncratdefendersmartscrensystem guard runtimepersistencerat

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers.

      ratasyncrat

    • Async RAT payload

      rat

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Checks computer location settings

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

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks