General

  • Target

    Setup_x32_x64.exe

  • Size

    3.6MB

  • Sample

    220422-jpkh8sbea2

  • MD5

    5e2fc141fe8a20630ed2f26ceb8e0244

  • SHA1

    a23baddfa259a27846311c2d30415a02b515cff1

  • SHA256

    18599ef6ec51e5138d8e250847e2b12a6903a0aea09fc9a0552f5e30ba2b0789

  • SHA512

    482c0b3d61fcc4f356de563bf4ebb4ca169caf8fc02bffdecf739e4e59eb5ea86bdfcddd3bb66401db20cee2d6ab31a34e51e3ebecb5ef90c04f02c498ea61cd

Malware Config

Extracted

Family

socelars

C2

http://www.yarchworkshop.com/

Extracted

Family

redline

Botnet

Faker

C2

51.79.188.112:7110

Attributes
  • auth_value

    fec424fa9c2b5dd3642344ee728bc32e

Extracted

Family

redline

Botnet

xeesy1

C2

gumishosaled.xyz:80

helacanushoc.xyz:80

igucanitoasi.xyz:80

Attributes
  • auth_value

    81fbe46937533b976e4936d1d83eb0da

Extracted

Family

djvu

C2

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

Attributes
  • extension

    .jhdd

  • offline_id

    Xe4NOamOTHZrARTiL9dfVzAylFrEWLGGbr2dngt1

  • payload_url

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

    http://fuyt.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-FT7BNVbXC9 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: manager@time2mail.ch Reserve e-mail address to contact us: supportsys@airmail.cc Your personal ID: 0457JIjdm

rsa_pubkey.plain

Extracted

Family

redline

Botnet

sups

C2

193.150.103.37:21330

Attributes
  • auth_value

    530b2ae4fb8a1808a2a006e5392f2c85

Extracted

Family

redline

C2

91.243.59.131:7171

Attributes
  • auth_value

    a5255ae7e0b3a101ca19cea9dc3d1619

Extracted

Family

redline

Botnet

@humus228p

C2

185.215.113.24:15994

Attributes
  • auth_value

    bb99a32fdff98741feb69d524760afae

Targets

    • Target

      Setup_x32_x64.exe

    • Size

      3.6MB

    • MD5

      5e2fc141fe8a20630ed2f26ceb8e0244

    • SHA1

      a23baddfa259a27846311c2d30415a02b515cff1

    • SHA256

      18599ef6ec51e5138d8e250847e2b12a6903a0aea09fc9a0552f5e30ba2b0789

    • SHA512

      482c0b3d61fcc4f356de563bf4ebb4ca169caf8fc02bffdecf739e4e59eb5ea86bdfcddd3bb66401db20cee2d6ab31a34e51e3ebecb5ef90c04f02c498ea61cd

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Modifies Windows Defender Real-time Protection settings

    • Modifies security 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

    • Socelars

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

    • Socelars Payload

    • UAC bypass

    • Windows security bypass

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Possible privilege escalation attempt

    • Stops running service(s)

    • Checks computer location settings

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

    • Loads dropped DLL

    • Modifies file permissions

    • 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.

    • Windows security modification

    • 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.

    • Checks whether UAC is enabled

    • Drops Chrome extension

    • 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.

    • Looks up geolocation information via web service

      Uses a legitimate geolocation service to find the infected system's geolocation info.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

4
T1031

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Bypass User Account Control

1
T1088

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

9
T1112

Disabling Security Tools

4
T1089

Bypass User Account Control

1
T1088

Impair Defenses

1
T1562

File Permissions Modification

1
T1222

Credential Access

Credentials in Files

4
T1081

Discovery

Query Registry

5
T1012

System Information Discovery

6
T1082

Peripheral Device Discovery

1
T1120

Process Discovery

1
T1057

Remote System Discovery

1
T1018

Collection

Data from Local System

4
T1005

Command and Control

Web Service

1
T1102

Impact

Service Stop

1
T1489

Tasks