MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e81e9dfe89a98449992b1ca9e4acb9905b606dc3de186b9de94241bde3b230be. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Djvu


Vendor detections: 5


Intelligence 5 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e81e9dfe89a98449992b1ca9e4acb9905b606dc3de186b9de94241bde3b230be
SHA3-384 hash: 624df674d15367b23ae23258070b92b3aae86a65f5141bbc821e0a0a11238acb8d5a822f3a1fc7546854f2c37630ae39
SHA1 hash: 48e40a2937f8ee055752c7d021af383753d46943
MD5 hash: 1cc8c2ff73f7df2223d8105989983ee2
humanhash: leopard-iowa-orange-mexico
File name:e81e9dfe89a98449992b1ca9e4acb9905b606dc3de186b9de94241bde3b230be
Download: download sample
Signature Djvu
Create hunting rule
File size:692'736 bytes
First seen:2020-06-17 09:17:14 UTC
Last seen:2020-06-17 09:42:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash a23283f5e7a07668e13e20029e0d18e9 (1 x Djvu)
ssdeep 12288:9s355IEGJvG8J5K5b+rsQmJlMwulVFvYdk7+dtLgJA9ELhfWPfuY:92IEIv15s5lMPVFyk7cp+ef
Threatray 24 similar samples on MalwareBazaar
TLSH BFE4126336D2A472F853427648B8D9214A7AFE764631CC9F3398530E1AA53C1AF372D7
Reporter JAMESWT_WT

Intelligence

File Origin
# of uploads :
2
# of downloads :
105
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Vidar
Create hunting rule
Link:
https://www.capesandbox.com/analysis/19292/
Detection(s):
PUA.Win.Downloader.Aiis-6803892-0
Create hunting rule

Gathering data
Threat name:
Win32.Ransomware.Stop
Create hunting rule
Status:
Malicious
First seen:
2020-06-17 08:11:12 UTC
File Type:
PE (Exe)
AV detection:
37 of 48 (77.08%)
Threat level:
  5/5
Verdict:
malicious
Similar samples:
12750a545215e41d452a16e1c451f0e0682a5330078813313b67cd09499ac674
Djvu
20ebe8ff1da6f2023a43b3e3cbe14479961699f9dec0324f72070fa2b275eaae
Djvu
496b5885ff8f521c91ca037338e188ea0374bf86816d0c804d3010fd2f5fec38
Djvu
5fba5879d38cea0fd0f956b583c7b5ecd0105928d26315935d4f7a8f9797d885
Djvu
6ed8e078433a7e7938f2084f83a640d707708ac99a246b31736bd22327664668
Djvu
8a4214d3c69df6a10e057fe1071e6bbb2ebd463bf3e73b9c66c3cbf3f31839b2
Djvu
99ee06f5fb4f0aa90678d6a6405d2d01138bcd128c6d2aabecda07c110361ba2
Djvu
aa8c5d42026ac9a483f1984f762441d7f5805ef914819b473f9e15353995cc99
Djvu
e8bcd430d48c430ced6992340cbce21ffc1a4d8cc60e6255b76870d33a5ea6b9
Djvu
fff57207bf2d6326bc580cd9788e36ec52437e472d26d49c015685525415d7ee
Djvu
+ 14 additional samples on MalwareBazaar
Result
Malware family:
djvu
Create hunting rule
Score:
  10/10
Tags:
evasion spyware discovery ransomware family:djvu persistence
Link:
https://tria.ge/reports/200624-fgm5m39g6j/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Checks processor information in registry
Kills process with taskkill
Checks for installed software on the system
Looks up external IP address via web service
Adds Run entry to start application
Reads user/profile data of local email clients
Loads dropped DLL
Modifies file permissions
Reads user/profile data of web browsers
Executes dropped EXE
Disables Task Manager via registry modification
Drops file in Drivers directory
Djvu Ransomware
Deletes Windows Defender Definitions
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:win_stop_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/19292/

Comments