General

  • Target

    bb351370d9f5fd327ce5834d5ad89599890d2a1358263c4afcf628073a621cb3

  • Size

    7.7MB

  • Sample

    220314-t6a18shgh5

  • MD5

    b23463478bbc1bea019b1bdcea7000f9

  • SHA1

    f12ab8302f8e4dbd9841021068bc92419caa176c

  • SHA256

    bb351370d9f5fd327ce5834d5ad89599890d2a1358263c4afcf628073a621cb3

  • SHA512

    4aea3f29c22320db55c455f4715eb15c75ad6d3bcd4c9863ed069258fbcf8e2316a7a374176a12d56f29fdf4e741bb1d95e084a98ff0d500b2d8e8fe70878e61

Malware Config

Extracted

Family

redline

Botnet

UPD

C2

193.56.146.78:54955

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/

rc4.i32
rc4.i32

Extracted

Family

metasploit

Version

windows/single_exec

Targets

    • Target

      bb351370d9f5fd327ce5834d5ad89599890d2a1358263c4afcf628073a621cb3

    • Size

      7.7MB

    • MD5

      b23463478bbc1bea019b1bdcea7000f9

    • SHA1

      f12ab8302f8e4dbd9841021068bc92419caa176c

    • SHA256

      bb351370d9f5fd327ce5834d5ad89599890d2a1358263c4afcf628073a621cb3

    • SHA512

      4aea3f29c22320db55c455f4715eb15c75ad6d3bcd4c9863ed069258fbcf8e2316a7a374176a12d56f29fdf4e741bb1d95e084a98ff0d500b2d8e8fe70878e61

    • 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.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Windows security bypass

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • 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.

    • Windows security modification

    • 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.

    • Checks whether UAC is enabled

    • 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

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

2
T1031

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

6
T1112

Disabling Security Tools

3
T1089

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

5
T1012

System Information Discovery

6
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks