General

  • Target

    a266577f134867bc2a7f59cf2c4360118fc1180aae87d89ef70661833ef8a450

  • Size

    266KB

  • Sample

    211206-xq1thaehdn

  • MD5

    b4b5aa9a6cdeb898e74a7d2bca56137d

  • SHA1

    b0cba2dcd008a233b9338e7517156e1530ce0a3a

  • SHA256

    a266577f134867bc2a7f59cf2c4360118fc1180aae87d89ef70661833ef8a450

  • SHA512

    81618cc5c1d8124e1477d949346a00faee2c0899c1b7f2497736b95b89f2d90ad37ced0587eec7e080e96c4045413d734d0de8a77379f83ef43eb4b37c13b78d

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://rcacademy.at/upload/

http://e-lanpengeonline.com/upload/

http://vjcmvz.cn/upload/

http://galala.ru/upload/

http://witra.ru/upload/

rc4.i32
rc4.i32

Extracted

Family

redline

C2

195.133.47.114:38627

Targets

    • Target

      a266577f134867bc2a7f59cf2c4360118fc1180aae87d89ef70661833ef8a450

    • Size

      266KB

    • MD5

      b4b5aa9a6cdeb898e74a7d2bca56137d

    • SHA1

      b0cba2dcd008a233b9338e7517156e1530ce0a3a

    • SHA256

      a266577f134867bc2a7f59cf2c4360118fc1180aae87d89ef70661833ef8a450

    • SHA512

      81618cc5c1d8124e1477d949346a00faee2c0899c1b7f2497736b95b89f2d90ad37ced0587eec7e080e96c4045413d734d0de8a77379f83ef43eb4b37c13b78d

    • ModiLoader, DBatLoader

      ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

    • 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.

    • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

      suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

    • ModiLoader First Stage

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

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

    • Deletes itself

    • Drops startup file

    • Reads user/profile data of web browsers

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Bootkit

1
T1067

Defense Evasion

Modify Registry

2
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Remote System Discovery

1
T1018

Collection

Data from Local System

2
T1005

Tasks