djvu | 6bd0b5a4591a74e6d8997482bb18057b1b701a787aeb16f058d1a3113a6c3ca1

General

Target
SecuriteInfo.com.Trojan.DownLoader44.12731.15797.24386
Size 240KB
Sample211208-qvsv5aafbp
SHA256 6bd0b5a4591a74e6d8997482bb18057b1b701a787aeb16f058d1a3113a6c3ca1
MD5 5faef102f9fd8c2e41d6f04c23e6ed93
SHA1 91184906c60fb314d8c6ad1c30d10ef5ade97c74
SHA512 651e177817b6641e0e368ee64a5c9f6e04e50a156be075bce0b3dc260d5d9e3db0423a9b628fbd0473e30c9c8d7322e33d03685bd601148789218ec145b23f73
MD5 SHA1 SHA512

Score

10^/10

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://rcacademy.at/upload/
http://e-lanpengeonline.com/upload/
http://vjcmvz.cn/upload/
http://galala.ru/upload/
http://witra.ru/upload/

rc4.i32

Extracted

Family

djvu

C2

http://tzgl.org/fhsgtsspen6/get.php

Attributes

extension
.wnlu
offline_id
gYuqQ5GsAaJom08TivUVhlPzZDKd916x4NcXrWt1
payload_url
http://kotob.top/dl/build2.exe

http://tzgl.org/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Extracted

Family

redline

C2

195.133.47.114:38627

Targets

- Target
  SecuriteInfo.com.Trojan.DownLoader44.12731.15797.24386
- Size 240KB
- SHA256 6bd0b5a4591a74e6d8997482bb18057b1b701a787aeb16f058d1a3113a6c3ca1
- MD5 5faef102f9fd8c2e41d6f04c23e6ed93
- SHA1 91184906c60fb314d8c6ad1c30d10ef5ade97c74
- SHA512 651e177817b6641e0e368ee64a5c9f6e04e50a156be075bce0b3dc260d5d9e3db0423a9b628fbd0473e30c9c8d7322e33d03685bd601148789218ec145b23f73
- MD5 SHA1 SHA512
Score

10^/10

djvu redline smokeloader backdoor discovery infostealer ransomware trojan bootkit persistence spyware stealer
- Detected Djvu ransomware
- Djvu Ransomware
  Ransomware which is a variant of the STOP family.
  ransomware djvu
- RedLine
  RedLine Stealer is a malware family written in C#, first appearing in early 2020.
  infostealer redline
- RedLine Payload
- SmokeLoader
  Modular backdoor trojan in use since 2014.
  trojan backdoor smokeloader
- Downloads MZ/PE file
- Executes dropped EXE
- Deletes itself
- 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 cryptocurrency files/wallets, possible credential harvesting
  spyware
- 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.
- Writes to the Master Boot Record (MBR)
  Bootkits write to the MBR to gain persistence at a level below the operating system.
  bootkit persistence
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
behavioral1 behavioral2