Overview

overview

10

Static

static

bec67588df...f8.exe

windows7-x64

10

bec67588df...f8.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    bec67588dfd5e24d948112f922e527c8c76386c5e849d32c6aac3b08c193e5f8

  • Size

    306KB

  • Sample

    221130-qe1k2ach58

  • MD5

    b3ec5baf020e50acea70c6b4e8de7bc1

  • SHA1

    e6c7cfa860cb338279600ba3b7398f9b43275fb6

  • SHA256

    bec67588dfd5e24d948112f922e527c8c76386c5e849d32c6aac3b08c193e5f8

  • SHA512

    758fa4dbd83ad68039f22b3575a28e02c66920a7e2ea9305515ba480746d8c77cb44f28ac2213e2e7718fc19e17b311b44c5788a87aae2f7792c4b04a07d86f7

  • SSDEEP

    6144:IZ2rHi6Q+04RLO+ZJken+5mFyCCBC3QTszhNXVZOhRQ09Dguw1xC:IZf6Qh4RlZJken+5oyCeZsNNF29DiI

Score
10/10
asyncratdefaultrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

kcfresh.ddns.net:6606

kcfresh.ddns.net:7707

kcfresh.ddns.net:8808

185.140.53.227:6606

185.140.53.227:7707

185.140.53.227:8808
Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    true

  • install_file

    system services.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      bec67588dfd5e24d948112f922e527c8c76386c5e849d32c6aac3b08c193e5f8

    • Size

      306KB

    • MD5

      b3ec5baf020e50acea70c6b4e8de7bc1

    • SHA1

      e6c7cfa860cb338279600ba3b7398f9b43275fb6

    • SHA256

      bec67588dfd5e24d948112f922e527c8c76386c5e849d32c6aac3b08c193e5f8

    • SHA512

      758fa4dbd83ad68039f22b3575a28e02c66920a7e2ea9305515ba480746d8c77cb44f28ac2213e2e7718fc19e17b311b44c5788a87aae2f7792c4b04a07d86f7

    • SSDEEP

      6144:IZ2rHi6Q+04RLO+ZJken+5mFyCCBC3QTszhNXVZOhRQ09Dguw1xC:IZf6Qh4RlZJken+5oyCeZsNNF29DiI

    Score
    10/10
    asyncratdefaultrat

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers.

      ratasyncrat

    • Async RAT payload

      rat

    • Checks computer location settings

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

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Credential Access

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks