General

  • Target

    SOPORTE DE TRANSFERENCIA BANCO AGRARIO DE COLOMBIA.exe

  • Size

    1.0MB

  • Sample

    210114-rqj4ppvt76

  • MD5

    4125dc4cedd5145802059e6f56491c67

  • SHA1

    8eb676931c46ececa90e400d23369a6c5f3294f1

  • SHA256

    b96849a992512df5e9cf349bdbaea4ec4a297a9d334aca6ae32d921ccb844e1f

  • SHA512

    cc20208af6817c0c64bbf37ad0f2057857c00a81b2fe0bccbc0c37c02db78caedd0332b15f83cc14bafbb46af893b4a8fbf5bade4e553a1382ec42080f763b32

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

C2

jesuslopez19011.duckdns.org:1881

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • aes_key

    a9t0tuVlARBorSOG6HaEdksAb0k95PZR

  • anti_detection

    false

  • autorun

    false

  • bdos

    false

  • delay

    Default

  • host

    jesuslopez19011.duckdns.org

  • hwid

    3

  • install_file

  • install_folder

    %AppData%

  • mutex

    AsyncMutex_6SI8OkPnk

  • pastebin_config

    null

  • port

    1881

  • version

    0.5.7B

aes.plain

Targets

    • Target

      SOPORTE DE TRANSFERENCIA BANCO AGRARIO DE COLOMBIA.exe

    • Size

      1.0MB

    • MD5

      4125dc4cedd5145802059e6f56491c67

    • SHA1

      8eb676931c46ececa90e400d23369a6c5f3294f1

    • SHA256

      b96849a992512df5e9cf349bdbaea4ec4a297a9d334aca6ae32d921ccb844e1f

    • SHA512

      cc20208af6817c0c64bbf37ad0f2057857c00a81b2fe0bccbc0c37c02db78caedd0332b15f83cc14bafbb46af893b4a8fbf5bade4e553a1382ec42080f763b32

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers.

    • Modifies WinLogon for persistence

    • Modifies Windows Defender Real-time Protection settings

    • Turns off Windows Defender SpyNet reporting

    • Windows security bypass

    • Async RAT payload

    • Drops startup file

    • Windows security modification

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Winlogon Helper DLL

1
T1004

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

6
T1112

Disabling Security Tools

4
T1089

Command and Control

Web Service

1
T1102

Tasks