djvu | 9fd30388fe3c1b70b923b6d53c65952a1fe19b8508f08b10d8269584852d18ba

General

Target

9fd30388fe3c1b70b923b6d53c65952a1fe19b8508f08b10d8269584852d18ba
Size

295KB
Sample

230131-rbw9wagf46
MD5

80dce0e25c4ae0cb47c96795fea91a53
SHA1

c051c5bd4dc9f3e061ed56d036cf7fa2ae703ea8
SHA256

9fd30388fe3c1b70b923b6d53c65952a1fe19b8508f08b10d8269584852d18ba
SHA512

4efef9de7ec2d472751e6f080c9e71dbd67fe7052833c74cc470fcba9c1371bc6c816bf94eccc2e8242872309202a4c934a0e851c27d5c0ae37b2cb3ad286f31
SSDEEP

6144:7PpW0Ll1pPBdUmYRrKAkcmqMoITim8Mu:rpxRrPBGKqMkm

Score

10^/10

djvu smokeloader vidar 19 backdoor discovery persistence ransomware stealer trojan vmprotect

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.mzop
offline_id
ex4uvTKsM2vEkIcr3MjXi2C6v27h1mS682iUXGt1
payload_url
http://uaery.top/dl/build2.exe

http://drampik.com/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Extracted

Family

vidar

Version

2.3

Botnet

19

C2

https://t.me/mantarlars

https://steamcommunity.com/profiles/76561199474840123

Attributes

profile_id
19

Targets

- Target
  
  9fd30388fe3c1b70b923b6d53c65952a1fe19b8508f08b10d8269584852d18ba
- Size
  
  295KB
- MD5
  
  80dce0e25c4ae0cb47c96795fea91a53
- SHA1
  
  c051c5bd4dc9f3e061ed56d036cf7fa2ae703ea8
- SHA256
  
  9fd30388fe3c1b70b923b6d53c65952a1fe19b8508f08b10d8269584852d18ba
- SHA512
  
  4efef9de7ec2d472751e6f080c9e71dbd67fe7052833c74cc470fcba9c1371bc6c816bf94eccc2e8242872309202a4c934a0e851c27d5c0ae37b2cb3ad286f31
- SSDEEP
  
  6144:7PpW0Ll1pPBdUmYRrKAkcmqMoITim8Mu:rpxRrPBGKqMkm
Score

10^/10

djvu smokeloader vidar 19 backdoor discovery persistence ransomware stealer trojan vmprotect
- Detected Djvu ransomware
- Detects Smokeloader packer
- Djvu Ransomware
  Ransomware which is a variant of the STOP family.
  ransomware djvu
- Process spawned unexpected child process
  This typically indicates the parent process was compromised via an exploit or macro.
- SmokeLoader
  Modular backdoor trojan in use since 2014.
  trojan backdoor smokeloader
- Vidar
  Vidar is an infostealer based on Arkei stealer.
  stealer vidar
- Downloads MZ/PE file
- Executes dropped EXE
- VMProtect packed file
  Detects executables packed with VMProtect commercial packer.
  vmprotect
- Deletes itself
- Loads dropped DLL
- Modifies file permissions
  discovery
- Unexpected DNS network traffic destination
  Network traffic to other servers than the configured DNS servers was detected on the DNS port.
- Adds Run key to start application
  persistence
- 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 SetThreadContext
behavioral1