Overview

overview

10

Static

static

10

f5efd1b435...63.exe

windows7-x64

10

f5efd1b435...63.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f5efd1b435706c4eb87582528b1f34825765cc5324f768a93d763b31642f8263.exe

  • Size

    48KB

  • Sample

    240616-bzhtdsxgln

  • MD5

    36b7614f2f6b0788e6c2be5def44c68f

  • SHA1

    0aca41d981fbc11d8eee8d7c668fc68637b4985c

  • SHA256

    f5efd1b435706c4eb87582528b1f34825765cc5324f768a93d763b31642f8263

  • SHA512

    b1243336e444127b0931c9cc5ce7e364540dd1fba1d25e9b7384e6d1d6d68036d7ea46b2c56592c20891d2d085af319286eda4eef57c1056bed97abdcb1d2449

  • SSDEEP

    768:AukzVT0kLd3WULgPdVmo2qDnJTTb2cWss3kPIDeR+0b01D1wKgHEujzhrNYNKBDq:AukzVT0Mq12qJnHDyJDeRxb0nngkuprw

Score
10/10
asyncratdefaultrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

61.14.233.130:6606

61.14.233.130:7707

61.14.233.130:8808
Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    true

  • install_file

    Sysbin.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      f5efd1b435706c4eb87582528b1f34825765cc5324f768a93d763b31642f8263.exe

    • Size

      48KB

    • MD5

      36b7614f2f6b0788e6c2be5def44c68f

    • SHA1

      0aca41d981fbc11d8eee8d7c668fc68637b4985c

    • SHA256

      f5efd1b435706c4eb87582528b1f34825765cc5324f768a93d763b31642f8263

    • SHA512

      b1243336e444127b0931c9cc5ce7e364540dd1fba1d25e9b7384e6d1d6d68036d7ea46b2c56592c20891d2d085af319286eda4eef57c1056bed97abdcb1d2449

    • SSDEEP

      768:AukzVT0kLd3WULgPdVmo2qDnJTTb2cWss3kPIDeR+0b01D1wKgHEujzhrNYNKBDq:AukzVT0Mq12qJnHDyJDeRxb0nngkuprw

    Score
    10/10
    asyncratdefaultrat

    • AsyncRat

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

      ratasyncrat

    • Async RAT payload

      rat

    • Detects file containing reversed ASEP Autorun registry keys

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    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

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks