General

  • Target

    setup.exe

  • Size

    702.0MB

  • Sample

    231227-k3ka3aahe8

  • MD5

    7de935075c200804f2b9467062993751

  • SHA1

    4dfd0ec8790711311b2e0ec5b023868677b073e5

  • SHA256

    e750bc258035f76c7e4c1a1819434f0fd6c7eaaa49567900439e487b45721ef1

  • SHA512

    ebfa11fe5aaa0325fae8febd250f292a87ae42426abc9e715dcfe75eaf6b86d328befd0b9515f6cafd0acaa3b858f3120d48cc3894a6134443f009c6a1cd657d

  • SSDEEP

    49152:gYIKuts//0Zc1AuCUuj9nSc0z8pb2Di3YwySrInaHzLgnU:gYIRsXGuC3jlSceGITMInaHzLg

Malware Config

Extracted

Family

stealc

C2

http://5.42.64.41

Attributes
  • url_path

    /40d570f44e84a454.php

rc4.plain

Extracted

Family

djvu

C2

http://zexeq.com/test2/get.php

Attributes
  • extension

    .cdmx

  • offline_id

    mMsRxMUuXypapZbGOAfxD9pczHmW8zVRP7Pgjwt1

  • payload_url
  • ransomnote

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rsa_pubkey.plain

Extracted

Family

redline

Botnet

work28.7

C2

194.33.191.102:21751

Extracted

Family

smokeloader

Version

2022

C2

http://onualituyrs.org/

http://sumagulituyo.org/

http://snukerukeutit.org/

http://lightseinsteniki.org/

http://liuliuoumumy.org/

http://stualialuyastrelia.net/

http://kumbuyartyty.net/

http://criogetikfenbut.org/

http://tonimiuyaytre.org/

http://tyiuiunuewqy.org/

rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

LogsDiller Cloud (Telegram: @logsdillabot)

C2

195.20.16.188:20749

Extracted

Family

risepro

C2

193.233.132.67

Targets

    • Target

      setup.exe

    • Size

      702.0MB

    • MD5

      7de935075c200804f2b9467062993751

    • SHA1

      4dfd0ec8790711311b2e0ec5b023868677b073e5

    • SHA256

      e750bc258035f76c7e4c1a1819434f0fd6c7eaaa49567900439e487b45721ef1

    • SHA512

      ebfa11fe5aaa0325fae8febd250f292a87ae42426abc9e715dcfe75eaf6b86d328befd0b9515f6cafd0acaa3b858f3120d48cc3894a6134443f009c6a1cd657d

    • SSDEEP

      49152:gYIKuts//0Zc1AuCUuj9nSc0z8pb2Di3YwySrInaHzLgnU:gYIRsXGuC3jlSceGITMInaHzLg

    • Detect ZGRat V1

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • RedLine

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

    • RedLine payload

    • RisePro

      RisePro stealer is an infostealer distributed by PrivateLoader.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Stealc

      Stealc is an infostealer written in C++.

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Downloads MZ/PE file

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Modifies file permissions

    • Reads user/profile data of web browsers

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

    • Themida packer

      Detects Themida, an advanced Windows software protection 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 NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

File and Directory Permissions Modification

1
T1222

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

4
T1082

Remote System Discovery

1
T1018

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks