Overview

overview

10

Static

static

8

69f7c84e27...3c.exe

windows7-x64

8

69f7c84e27...3c.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    69f7c84e27083e5af30a91c797c6c1d5b694c2926ebb8a9edb7c6ed8e4c3cb3c

  • Size

    532KB

  • Sample

    221205-g5l1wsda85

  • MD5

    84e6aa267c6970d2d777d60840390102

  • SHA1

    c97e555e98c5bec69bcad9607cf0153ff827a141

  • SHA256

    69f7c84e27083e5af30a91c797c6c1d5b694c2926ebb8a9edb7c6ed8e4c3cb3c

  • SHA512

    47184ca58f7358bad24acbcfc2038a510a1ae55b90b927d79a98df13c0e911daeaadb1100f0dc112370fe61bf6264fb9ff214d143d17af659e0bd1ba16f0cecc

  • SSDEEP

    12288:Lflmc/U97143ei/xLxS0VMmX+gJmdqKkSl2N3m:LNtsCF/x9S0KaJuqnSl2N3

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

      69f7c84e27083e5af30a91c797c6c1d5b694c2926ebb8a9edb7c6ed8e4c3cb3c

    • Size

      532KB

    • MD5

      84e6aa267c6970d2d777d60840390102

    • SHA1

      c97e555e98c5bec69bcad9607cf0153ff827a141

    • SHA256

      69f7c84e27083e5af30a91c797c6c1d5b694c2926ebb8a9edb7c6ed8e4c3cb3c

    • SHA512

      47184ca58f7358bad24acbcfc2038a510a1ae55b90b927d79a98df13c0e911daeaadb1100f0dc112370fe61bf6264fb9ff214d143d17af659e0bd1ba16f0cecc

    • SSDEEP

      12288:Lflmc/U97143ei/xLxS0VMmX+gJmdqKkSl2N3m:LNtsCF/x9S0KaJuqnSl2N3

    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