General

  • Target

    da24787d67135ad61c8f9dfeb75f082bceb5e4cd8c036b82eb043f575d67b0dc

  • Size

    2.8MB

  • Sample

    220314-cdr1lsbgg7

  • MD5

    d39da0db310d6f9c408bfdf9fdc80bb2

  • SHA1

    ec65db78682e0500e4663f75b1c14f0b0b50335a

  • SHA256

    da24787d67135ad61c8f9dfeb75f082bceb5e4cd8c036b82eb043f575d67b0dc

  • SHA512

    db99f1a8df738d75b4356a08a2e868261d8f531b74748b2807baf1425209614502a57c5369e77ef8c850cbdc251f76c5a1318d5b842adb6deab75c8aa3d90678

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://ppcspb.com/upload/

http://mebbing.com/upload/

http://twcamel.com/upload/

http://howdycash.com/upload/

http://lahuertasonora.com/upload/

http://kpotiques.com/upload/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

Cana

C2

176.111.174.254:56328

Extracted

Family

redline

Botnet

ServAni

C2

87.251.71.195:82

Targets

    • Target

      da24787d67135ad61c8f9dfeb75f082bceb5e4cd8c036b82eb043f575d67b0dc

    • Size

      2.8MB

    • MD5

      d39da0db310d6f9c408bfdf9fdc80bb2

    • SHA1

      ec65db78682e0500e4663f75b1c14f0b0b50335a

    • SHA256

      da24787d67135ad61c8f9dfeb75f082bceb5e4cd8c036b82eb043f575d67b0dc

    • SHA512

      db99f1a8df738d75b4356a08a2e868261d8f531b74748b2807baf1425209614502a57c5369e77ef8c850cbdc251f76c5a1318d5b842adb6deab75c8aa3d90678

    • Modifies Windows Defender Real-time Protection settings

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine Payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Checks computer location settings

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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Modify Existing Service

1
T1031

Defense Evasion

Modify Registry

1
T1112

Disabling Security Tools

1
T1089

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks