Resubmissions

06-09-2022 14:31

220906-rv2npsedc2 10

06-09-2022 13:58

220906-q94wyadhg2 10

06-09-2022 13:49

220906-q4saysdgf9 10

05-09-2022 12:24

220905-plkbysbee8 10

05-09-2022 12:20

220905-phwwksbdh7 10

General

  • Target

    7941776127.zip

  • Size

    3.3MB

  • Sample

    220906-rv2npsedc2

  • MD5

    71d20daf4fc6d30f3cf6ade946408c6a

  • SHA1

    05472a57674619cc98773ac04cbb867371598d38

  • SHA256

    784cfe043155d4043af8d48fd8b348ddee2b7f9883425133f2891ed114506c80

  • SHA512

    3af6614b9b883d8819bcc24ff5947d123b4c5b6ef5d5b74ecc2f1540d06c69c8c30efb098ed5e28540b2de0d4a9099daccfee64dca87a79f0c2736d43dc050f5

  • SSDEEP

    49152:iyEdPI+keUCigapF2lyyLzpLKCq8tO84e6KVcPXYAjlMgCxm+30rvJfocTg83Lbq:GxrkVf2lRzpC8k8mY0lMgsqfpTye0

Malware Config

Extracted

Family

privateloader

C2

http://45.133.1.107/server.txt

pastebin.com/raw/A7dSG1te

http://wfsdragon.ru/api/setStats.php

51.178.186.149

http://91.241.19.125/pub.php?pub=one

http://sarfoods.com/index.php

Attributes
  • payload_url

    https://cdn.discordapp.com/attachments/1003879548242374749/1003976870611669043/NiceProcessX64.bmp

    https://cdn.discordapp.com/attachments/1003879548242374749/1003976754358124554/NiceProcessX32.bmp

    https://cdn.discordapp.com/attachments/910842184708792331/931507465563045909/dingo_20220114120058.bmp

    https://c.xyzgamec.com/userdown/2202/random.exe

    http://193.56.146.76/Proxytest.exe

    http://www.yzsyjyjh.com/askhelp23/askinstall23.exe

    http://privacy-tools-for-you-780.com/downloads/toolspab3.exe

    http://luminati-china.xyz/aman/casper2.exe

    https://innovicservice.net/assets/vendor/counterup/RobCleanerInstlr95038215.exe

    http://tg8.cllgxx.com/hp8/g1/yrpp1047.exe

    https://cdn.discordapp.com/attachments/910842184708792331/930849718240698368/Roll.bmp

    https://cdn.discordapp.com/attachments/910842184708792331/930850766787330068/real1201.bmp

    https://cdn.discordapp.com/attachments/910842184708792331/930882959131693096/Installer.bmp

    http://185.215.113.208/ferrari.exe

    https://cdn.discordapp.com/attachments/910842184708792331/931233371110141962/LingeringsAntiphon.bmp

    https://cdn.discordapp.com/attachments/910842184708792331/931285223709225071/russ.bmp

    https://cdn.discordapp.com/attachments/910842184708792331/932720393201016842/filinnn.bmp

    https://cdn.discordapp.com/attachments/910842184708792331/933436611427979305/build20k.bmp

    https://c.xyzgamec.com/userdown/2202/random.exe

    http://mnbuiy.pw/adsli/note8876.exe

    http://www.yzsyjyjh.com/askhelp23/askinstall23.exe

    http://luminati-china.xyz/aman/casper2.exe

    https://suprimax.vet.br/css/fonts/OneCleanerInst942914.exe

    http://tg8.cllgxx.com/hp8/g1/ssaa1047.exe

    https://www.deezloader.app/files/Deezloader_Remix_Installer_64_bit_4.3.0_Setup.exe

    https://www.deezloader.app/files/Deezloader_Remix_Installer_32_bit_4.3.0_Setup.exe

    https://cdn.discordapp.com/attachments/910281601559167006/911516400005296219/anyname.exe

    https://cdn.discordapp.com/attachments/910281601559167006/911516894660530226/PBsecond.exe

    https://cdn.discordapp.com/attachments/910842184708792331/914047763304550410/Xpadder.bmp

Extracted

Family

redline

Botnet

ANI

C2

45.142.215.47:27643

Attributes
  • auth_value

    9491a1c5e11eb6097e68a4fa8627fda8

Extracted

Family

redline

Botnet

media12

C2

91.121.67.60:2151

Attributes
  • auth_value

    e37d5065561884bb54c8ed1baa6de446

Extracted

Family

redline

Botnet

3108_RUZKI

C2

213.219.247.199:9452

Attributes
  • auth_value

    f71fed1cd094e4e1eb7ad1c53e542bca

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://microsoftdownload.ddns.net:8808/downloader/WinSecurityUpdate

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://microsoftdownload.ddns.net:8808/downloader/WinSecurityUpdate

Extracted

Path

C:\_readme.txt

Family

djvu

Ransom Note
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-6g0MALAb7E 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@bestyourmail.ch Reserve e-mail address to contact us: datarestorehelp@airmail.cc Your personal ID: 0553ooTsdvpVZvpsta2vAQHAmvXG2nq8TIaLEYYWzOadCWjX
Emails

support@bestyourmail.ch

datarestorehelp@airmail.cc

URLs

https://we.tl/t-6g0MALAb7E

Extracted

Family

redline

Botnet

nam6.1

C2

103.89.90.61:34589

Attributes
  • auth_value

    5a3c8b8880f6d03e2acaaa0ba12776e3

Extracted

Family

redline

Botnet

@forceddd_lzt

C2

5.182.36.101:31305

Attributes
  • auth_value

    91ffc3d776bc56b5c410d1adf5648512

Extracted

Family

djvu

C2

http://acacaca.org/test3/get.php

Attributes
  • extension

    .oovb

  • offline_id

    6GXhR4uyHH9NXT2qot14T0HeNSviNKH0Q6PGVNt1

  • payload_url

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

    http://acacaca.org/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-6g0MALAb7E 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@bestyourmail.ch Reserve e-mail address to contact us: datarestorehelp@airmail.cc Your personal ID: 0552Jhyjd

rsa_pubkey.plain

Targets

    • Target

      01a53007f9b19d8ae4f12cc75bafcbef064f75d3a4b31b347b334a2d30558d68

    • Size

      3.3MB

    • MD5

      b5b1415b3890d0108ac53acd595497b9

    • SHA1

      876eb8e34ecb3c1fea20e2c6b710346676ad2de2

    • SHA256

      01a53007f9b19d8ae4f12cc75bafcbef064f75d3a4b31b347b334a2d30558d68

    • SHA512

      fe58023cba73deac0229cd45b73227e5d1c1f6760f3f053dbcdb4f388d6234940985f57ab8ffc73c4e8eff4bf3a2ef956cd44bdcdd66c44c1cc1ea86e335e4d0

    • SSDEEP

      49152:xcB4EwJ84vLRaBtIl9mVHZ7PhEKQ9F6ZGZ9kLvlEEXArNC6XlruK1JJecwJpVz+K:xKCvLUBsg575Uwg9CvD969D1zecwlTWM

    • DcRat

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

    • Detected Djvu ransomware

    • Detects Smokeloader packer

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Glupteba

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

    • Modifies Windows Defender Real-time Protection settings

    • NyMaim

      NyMaim is a malware with various capabilities written in C++ and first seen in 2013.

    • OnlyLogger

      A tiny loader that uses IPLogger to get its payload.

    • PrivateLoader

      PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

    • 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.

    • Socelars

      Socelars is an infostealer targeting browser cookies and credit card credentials.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Windows security bypass

    • OnlyLogger payload

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • 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.

    • Drops startup file

    • 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.

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Uses the VBS compiler for execution

    • Accesses 2FA software files, possible credential harvesting

    • 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.

    • Creates a large amount of network flows

      This may indicate a network scan to discover remotely running services.

    • Drops Chrome extension

    • Drops desktop.ini file(s)

    • 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

Scripting

1
T1064

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

2
T1089

File Permissions Modification

1
T1222

Scripting

1
T1064

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

6
T1012

System Information Discovery

6
T1082

Network Service Scanning

1
T1046

Peripheral Device Discovery

1
T1120

Process Discovery

1
T1057

Remote System Discovery

1
T1018

Collection

Data from Local System

3
T1005

Command and Control

Web Service

1
T1102

Tasks