Overview

overview

10

Static

static

10

cfbb077b6d...9a.exe

windows7_x64

10

cfbb077b6d...9a.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    cfbb077b6def89d534a4fc5dc04022a9b65eb0780082d57495a72487c5f0c09a

  • Size

    73KB

  • Sample

    220201-edt63sggg9

  • MD5

    3f38e05edc5354d36eb6cc10a29ad9a1

  • SHA1

    6b22c40436315a8b92e5f0bfe24cd02c940fcf4d

  • SHA256

    cfbb077b6def89d534a4fc5dc04022a9b65eb0780082d57495a72487c5f0c09a

  • SHA512

    469355e1c12c272dbcb1fcaf989cab4001763428005dbe47ca7832af24ed5b8d56f82e3ebb563ebcbad09e6b2187b04f24f6e31ebccf4488dfcfa7fd679ab6b4

Score
10/10
asyncratpersistencerat

Malware Config

Extracted

Family

asyncrat

Version

0.5.6A

C2

null:null

Mutex

wjdsbfmvtrtyr

Attributes
  • anti_vm

    true

  • bsod

    false

  • delay

    2

  • install

    true

  • install_file

    VSUpdate.exe

  • install_folder

    %AppData%

  • pastebin_config

    https://pastebin.com/DyemKcbK

aes.plain

Targets

    • Target

      cfbb077b6def89d534a4fc5dc04022a9b65eb0780082d57495a72487c5f0c09a

    • Size

      73KB

    • MD5

      3f38e05edc5354d36eb6cc10a29ad9a1

    • SHA1

      6b22c40436315a8b92e5f0bfe24cd02c940fcf4d

    • SHA256

      cfbb077b6def89d534a4fc5dc04022a9b65eb0780082d57495a72487c5f0c09a

    • SHA512

      469355e1c12c272dbcb1fcaf989cab4001763428005dbe47ca7832af24ed5b8d56f82e3ebb563ebcbad09e6b2187b04f24f6e31ebccf4488dfcfa7fd679ab6b4

    Score
    10/10
    asyncratratpersistence

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers.

      ratasyncrat

    • Async RAT payload

      rat

    • Executes dropped EXE

    • Sets service image path in registry

      persistence

    • Checks computer location settings

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

    • Legitimate hosting services abused for malware hosting/C2

    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

Web Service

1
T1102

Impact

Tasks