Overview

overview

10

Static

static

1

865f56a977...92.exe

windows7-x64

8

865f56a977...92.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    865f56a97781bcde44902cfe823d2f92.exe

  • Size

    5KB

  • Sample

    230317-ldmwbshd7y

  • MD5

    865f56a97781bcde44902cfe823d2f92

  • SHA1

    0a2b52cbdd7c37bdce9ed9cad5dc6c7c2c8ed0bf

  • SHA256

    5a9436052ba16ec5387d5d029eac2adec32e21747e35ec4774aefc5cd566b06d

  • SHA512

    b2e56a320cae58c2b196be7043152131c2af89db71b0ea8038b84ba622ad79f7ba5202855b5998d9781935102aeb053664b6462bbe153424d22226882147a96b

  • SSDEEP

    96:Ps793KCFQyIeNWL4xG8Fq/5yZZUvfd3oj7rl:S93RFjNWLsG8Fq/5yZefde

Score
10/10
asyncratdefendersmartscrenrat

Malware Config

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

      865f56a97781bcde44902cfe823d2f92.exe

    • Size

      5KB

    • MD5

      865f56a97781bcde44902cfe823d2f92

    • SHA1

      0a2b52cbdd7c37bdce9ed9cad5dc6c7c2c8ed0bf

    • SHA256

      5a9436052ba16ec5387d5d029eac2adec32e21747e35ec4774aefc5cd566b06d

    • SHA512

      b2e56a320cae58c2b196be7043152131c2af89db71b0ea8038b84ba622ad79f7ba5202855b5998d9781935102aeb053664b6462bbe153424d22226882147a96b

    • SSDEEP

      96:Ps793KCFQyIeNWL4xG8Fq/5yZZUvfd3oj7rl:S93RFjNWLsG8Fq/5yZefde

    Score
    10/10
    asyncratdefendersmartscrenrat

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

      ratasyncrat

    • Async RAT payload

      rat

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks