Malware sandboxing report by Hatching Triage

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General

Target

56221b7ad16a9c49d02a3916fba76504b9e4d66d9150b7e882f9a0747208ec80
Size

790KB
Sample

230319-ctcwmaee55
MD5

7e79fbc05e59e5b7e91ebd0c5a2efe78
SHA1

8d0c7ca5e6e97cdf369238f2d2f40182793810ee
SHA256

56221b7ad16a9c49d02a3916fba76504b9e4d66d9150b7e882f9a0747208ec80
SHA512

bd8005e66585f78bc5146431682738e33488a59348c6f4fbcffe96c6182506f61e2367846e7e950c3f4f92d639d94c26ab105276de3c07a5085e10785e48503d
SSDEEP

12288:lPHvMxVzZz++6riV2ClysEhnUJ89QM52bpFhRJqLVfsZLKnXDqEq79fVKQ2/E:FEfZz++f87Q812bHzACZLKzq/79j2/

Score

10^/10

Malware Config

Extracted

Family

djvu

http://zexeq.com/test2/get.php

Attributes

extension
.dapo
offline_id
8EM6M9LqEzIk18qaQ87WiPQ1u84RRdej5V1ovht1
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-vbVkogQdu2 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: 0667JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

Botnet

d6ef050131e7d5a1d595c51613328971

https://t.me/zaskullz

https://steamcommunity.com/profiles/76561199486572327

http://135.181.87.234:80

Attributes

profile_id_v2
d6ef050131e7d5a1d595c51613328971

Targets

- Target
  
  56221b7ad16a9c49d02a3916fba76504b9e4d66d9150b7e882f9a0747208ec80
- Size
  
  790KB
- MD5
  
  7e79fbc05e59e5b7e91ebd0c5a2efe78
- SHA1
  
  8d0c7ca5e6e97cdf369238f2d2f40182793810ee
- SHA256
  
  56221b7ad16a9c49d02a3916fba76504b9e4d66d9150b7e882f9a0747208ec80
- SHA512
  
  bd8005e66585f78bc5146431682738e33488a59348c6f4fbcffe96c6182506f61e2367846e7e950c3f4f92d639d94c26ab105276de3c07a5085e10785e48503d
- SSDEEP
  
  12288:lPHvMxVzZz++6riV2ClysEhnUJ89QM52bpFhRJqLVfsZLKnXDqEq79fVKQ2/E:FEfZz++f87Q812bHzACZLKzq/79j2/
Score

10^/10

djvu vidar d6ef050131e7d5a1d595c51613328971 discovery persistence ransomware spyware stealer
- Detected Djvu ransomware
- Djvu Ransomware
  Ransomware which is a variant of the STOP family.
  ransomware djvu
- Vidar
  Vidar is an infostealer based on Arkei stealer.
  stealer vidar
- Downloads MZ/PE file
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE
- Loads dropped DLL
- Modifies file permissions
  discovery
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Accesses 2FA software files, possible credential harvesting
  spyware stealer
- Accesses cryptocurrency files/wallets, possible credential harvesting
  spyware
- Adds Run key to start application
  persistence
- Checks installed software on the system
  Looks up Uninstall key entries in the registry to enumerate software on the system.
  discovery
- 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
behavioral1

MITRE ATT&CK Matrix

Collection

Data from Local System

T1005

Command and Control

Credential Access

Credentials in Files

T1081

Defense Evasion

Modify Registry

T1112

File Permissions Modification

T1222

Discovery

Query Registry

T1012

System Information Discovery

T1082

Execution

Exfiltration

Impact

Initial Access

Lateral Movement

Persistence

Scheduled Task

T1053

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Tasks

static1

Score

1^/10

behavioral1

djvuvidard6ef050131e7d5a1d595c51613328971discoverypersistenceransomwarespywarestealer

Score

10^/10

Sharing

General

Malware Config

Extracted

Extracted

Targets

Detected Djvu ransomware

Djvu Ransomware

Vidar

Downloads MZ/PE file

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Modifies file permissions

Reads user/profile data of web browsers

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 external IP address via web service

Suspicious use of SetThreadContext

MITRE ATT&CK Matrix

Tasks

static1

behavioral1