General

  • Target

    53d29fc91fb4ede62184b7b5746de38a2ef2a857ca16e459e1d44d57a4813dc6

  • Size

    258KB

  • Sample

    240328-q2qz4sfe9s

  • MD5

    d7b9dec477cf25064ddb56fdacc54eea

  • SHA1

    aa221279530670c691125e179173942bbc960fce

  • SHA256

    53d29fc91fb4ede62184b7b5746de38a2ef2a857ca16e459e1d44d57a4813dc6

  • SHA512

    2f6a622ef670edbc416072c33f248f974832f1df13f39a2befda12de38c2dcc15310a087265e6627b30513e06f7a63dfa1a974a33ec98bf796bcc2abe0eccf73

  • SSDEEP

    3072:8QxdAtpZBxEDxbxsf+ORdr06MPhhecr05GKDvkq81e1h1nIqUVI8zK3Zk:HavZBxoq1MPScr0dkq81EbR8ze

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

smokeloader

Version

2022

C2

http://trad-einmyus.com/index.php

http://tradein-myus.com/index.php

http://trade-inmyus.com/index.php

rc4.i32
rc4.i32

Extracted

Family

djvu

C2

http://sajdfue.com/test1/get.php

Attributes
  • extension

    .vook

  • offline_id

    1eSPzWRaNslCgtjBZfL5pzvovoiaVI4IZSnvAwt1

  • payload_url

    http://sdfjhuz.com/dl/build2.exe

    http://sajdfue.com/files/1/build3.exe

  • ransomnote

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rsa_pubkey.plain

Extracted

Family

redline

Botnet

LogsDiller Cloud (TG: @logsdillabot)

C2

5.42.65.0:29587

Extracted

Family

lumma

C2

https://resergvearyinitiani.shop/api

https://affordcharmcropwo.shop/api

Targets

    • Target

      53d29fc91fb4ede62184b7b5746de38a2ef2a857ca16e459e1d44d57a4813dc6

    • Size

      258KB

    • MD5

      d7b9dec477cf25064ddb56fdacc54eea

    • SHA1

      aa221279530670c691125e179173942bbc960fce

    • SHA256

      53d29fc91fb4ede62184b7b5746de38a2ef2a857ca16e459e1d44d57a4813dc6

    • SHA512

      2f6a622ef670edbc416072c33f248f974832f1df13f39a2befda12de38c2dcc15310a087265e6627b30513e06f7a63dfa1a974a33ec98bf796bcc2abe0eccf73

    • SSDEEP

      3072:8QxdAtpZBxEDxbxsf+ORdr06MPhhecr05GKDvkq81e1h1nIqUVI8zK3Zk:HavZBxoq1MPScr0dkq81EbR8ze

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Glupteba

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

    • Glupteba payload

    • Lumma Stealer

      An infostealer written in C++ first seen in August 2022.

    • 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.

    • Downloads MZ/PE file

    • Modifies Installed Components in the registry

    • Modifies Windows Firewall

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Modifies file permissions

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • UPX packed file

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

    • 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.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • 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 v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

2
T1112

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

File and Directory Permissions Modification

1
T1222

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

4
T1552.001

Discovery

Query Registry

5
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

2
T1120

Collection

Data from Local System

4
T1005

Command and Control

Web Service

1
T1102

Tasks