General

  • Target

    afb832ad9d8808b37d26fd33cd4fa478f3dade67ef91db22e4a1bd04d36b438e

  • Size

    259KB

  • Sample

    230327-mrhn7sda82

  • MD5

    fa4c67062c243739a3f6a123b665fb6b

  • SHA1

    f6cc313b9cb118bd58bb18998451ea1fc9e9c6e5

  • SHA256

    afb832ad9d8808b37d26fd33cd4fa478f3dade67ef91db22e4a1bd04d36b438e

  • SHA512

    55d52e71de45b2501b070bef95b18d081c132ce0c14854a5b255d4551f7c09da2a1d66ed37c0e284a566beaee2aa5ef9b9da05b8ab2a897f7844269db0eb4d21

  • SSDEEP

    3072:y1tWU+6Qh6yZnxkSLo1WZYbtvjmfhJlvgXF8DzUt07IXkj5WehoHXv:Kt9+TZxkSLYWZstifhJlYXWDzQSA

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://potunulit.org/

http://hutnilior.net/

http://bulimu55t.net/

http://soryytlic4.net/

http://novanosa5org.org/

http://nuljjjnuli.org/

http://tolilolihul.net/

http://somatoka51hub.net/

http://hujukui3.net/

http://bukubuka1.net/

http://golilopaster.org/

http://newzelannd66.org/

http://otriluyttn.org/

http://aapu.at/tmp/

http://poudineh.com/tmp/

http://firsttrusteedrx.ru/tmp/

http://kingpirate.ru/tmp/

http://hoh0aeghwugh2gie.com/

http://hie7doodohpae4na.com/

http://aek0aicifaloh1yo.com/

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

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .typo

  • offline_id

    Yao2o6f5vNghOpgVBhEIA8O96SC5vLcgITgaRMt1

  • payload_url

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

    http://zexeq.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-f8UEvx4T0A 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: 0672IsjO

rsa_pubkey.plain

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

smokeloader

Botnet

sprg

Extracted

Family

amadey

Version

3.65

C2

77.73.134.27/8bmdh3Slb2/index.php

Extracted

Family

redline

Botnet

koreamon

C2

koreamonitoring.com:80

Attributes
  • auth_value

    1a0e1a9f491ef3df873a03577dfa10aa

Targets

    • Target

      afb832ad9d8808b37d26fd33cd4fa478f3dade67ef91db22e4a1bd04d36b438e

    • Size

      259KB

    • MD5

      fa4c67062c243739a3f6a123b665fb6b

    • SHA1

      f6cc313b9cb118bd58bb18998451ea1fc9e9c6e5

    • SHA256

      afb832ad9d8808b37d26fd33cd4fa478f3dade67ef91db22e4a1bd04d36b438e

    • SHA512

      55d52e71de45b2501b070bef95b18d081c132ce0c14854a5b255d4551f7c09da2a1d66ed37c0e284a566beaee2aa5ef9b9da05b8ab2a897f7844269db0eb4d21

    • SSDEEP

      3072:y1tWU+6Qh6yZnxkSLo1WZYbtvjmfhJlvgXF8DzUt07IXkj5WehoHXv:Kt9+TZxkSLYWZstifhJlYXWDzQSA

    • Amadey

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

    • Detect rhadamanthys stealer shellcode

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Modifies security service

    • RedLine

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

    • RedLine payload

    • Rhadamanthys

      Rhadamanthys is an info stealer written in C++ first seen in August 2022.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Downloads MZ/PE file

    • Stops running service(s)

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook profiles

    • 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.

    • 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

    • 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

2
T1112

Impair Defenses

1
T1562

File Permissions Modification

1
T1222

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

5
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Command and Control

Web Service

1
T1102

Impact

Service Stop

1
T1489

Tasks