General

  • Target

    file.exe

  • Size

    224KB

  • Sample

    221224-1dl2csaf63

  • MD5

    b14dca575e3ba081aadd6ebbeffb3db4

  • SHA1

    7e71f886666693dc7fd9e55630ea4704575eb761

  • SHA256

    edf890f4147fb3a1fa62d76e9600ff77abbee6e834add261f372ddcb9de449a3

  • SHA512

    37184fe2e59f9c557ec02bc980a4852cc70e9287a96e484169edc189bff718ae2b1752de7fbb7a8dcb22ff96137c05f7349c0c23ee7eaeb43575f7841bab1fba

  • SSDEEP

    3072:aDBbLfsQI0586TPamhBQWDX/e54HRXauDlFuwf/ln:sLfszdgamfQm/e5CRXaMPb

Malware Config

Extracted

Family

redline

Botnet

mario23_10

C2

167.235.252.160:10642

Attributes
  • auth_value

    eca57cfb5172f71dc45986763bb98942

Extracted

Family

djvu

C2

http://ex3mall.com/lancer/get.php

Attributes
  • extension

    .isza

  • offline_id

    m3KmScxfDyEQzJYP8qjOSfP4FvpsOXlekGuMPzt1

  • payload_url

    http://uaery.top/dl/build2.exe

    http://ex3mall.com/files/1/build3.exe

  • ransomnote

    ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-oWam3yYrSr Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: support@freshmail.top Reserve e-mail address to contact us: datarestorehelp@airmail.cc Your personal ID: 0622JOsie

rsa_pubkey.plain

Extracted

Family

amadey

Version

3.61

C2

62.204.41.79/U7vfDb3kg/index.php

Targets

    • Target

      file.exe

    • Size

      224KB

    • MD5

      b14dca575e3ba081aadd6ebbeffb3db4

    • SHA1

      7e71f886666693dc7fd9e55630ea4704575eb761

    • SHA256

      edf890f4147fb3a1fa62d76e9600ff77abbee6e834add261f372ddcb9de449a3

    • SHA512

      37184fe2e59f9c557ec02bc980a4852cc70e9287a96e484169edc189bff718ae2b1752de7fbb7a8dcb22ff96137c05f7349c0c23ee7eaeb43575f7841bab1fba

    • SSDEEP

      3072:aDBbLfsQI0586TPamhBQWDX/e54HRXauDlFuwf/ln:sLfszdgamfQm/e5CRXaMPb

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • DcRat

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

    • Detect Amadey credential stealer module

    • Detected Djvu ransomware

    • Detects Smokeloader packer

    • 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

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Modifies file permissions

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • Reads user/profile data of web browsers

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

    • Accesses 2FA software files, possible credential harvesting

    • Accesses Microsoft Outlook accounts

    • Accesses Microsoft Outlook profiles

    • 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.

    • 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

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

File Permissions Modification

1
T1222

Modify Registry

2
T1112

Credential Access

Credentials in Files

4
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

4
T1005

Email Collection

2
T1114

Tasks