General

  • Target

    a311311c248170e59b39810a31a0cd1e.exe

  • Size

    3.3MB

  • Sample

    210803-wkmcz4y1za

  • MD5

    a311311c248170e59b39810a31a0cd1e

  • SHA1

    2f135d322b06f124e49c951e26a2cbec9b70d771

  • SHA256

    64ac76b13292907c1f38ed314a15f7129e09b0acac831d62451a4feb0ae2a54c

  • SHA512

    887cdcfddb99b18f8ea6b93fd8e4f5eed5475fd09714ef741b3e70f755a780b961b299bbfd6f7a44921aaab5cfbd844ca9a712cd86f1b2aa153f239cf7ffdb9b

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://aucmoney.com/upload/

http://thegymmum.com/upload/

http://atvcampingtrips.com/upload/

http://kuapakualaman.com/upload/

http://renatazarazua.com/upload/

http://nasufmutlu.com/upload/

http://readinglistforjuly1.xyz/

http://readinglistforjuly2.xyz/

http://readinglistforjuly3.xyz/

http://readinglistforjuly4.xyz/

http://readinglistforjuly5.xyz/

http://readinglistforjuly6.xyz/

http://readinglistforjuly7.xyz/

http://readinglistforjuly8.xyz/

http://readinglistforjuly9.xyz/

http://readinglistforjuly10.xyz/

http://readinglistforjuly1.site/

http://readinglistforjuly2.site/

http://readinglistforjuly3.site/

http://readinglistforjuly4.site/

rc4.i32
rc4.i32
rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

AniOLD

C2

liezaphare.xyz:80

Extracted

Family

vidar

Version

39.8

Botnet

706

C2

https://xeronxikxxx.tumblr.com/

Attributes
  • profile_id

    706

Extracted

Family

redline

Botnet

35k_SELECT

C2

45.14.49.117:14251

Extracted

Family

metasploit

Version

windows/single_exec

Extracted

Family

vidar

Version

39.9

Botnet

937

C2

https://prophefliloc.tumblr.com/

Attributes
  • profile_id

    937

Targets

    • Target

      a311311c248170e59b39810a31a0cd1e.exe

    • Size

      3.3MB

    • MD5

      a311311c248170e59b39810a31a0cd1e

    • SHA1

      2f135d322b06f124e49c951e26a2cbec9b70d771

    • SHA256

      64ac76b13292907c1f38ed314a15f7129e09b0acac831d62451a4feb0ae2a54c

    • SHA512

      887cdcfddb99b18f8ea6b93fd8e4f5eed5475fd09714ef741b3e70f755a780b961b299bbfd6f7a44921aaab5cfbd844ca9a712cd86f1b2aa153f239cf7ffdb9b

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba Payload

    • MetaSploit

      Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

    • Modifies Windows Defender Real-time Protection settings

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • 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.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • suricata: ET MALWARE GCleaner Downloader Activity M1

    • suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

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

    • suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

    • suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil

    • Vidar Stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Downloads MZ/PE file

    • 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.

    • Adds Run key to start application

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Command-Line Interface

1
T1059

Persistence

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

3
T1112

Disabling Security Tools

1
T1089

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks