MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1e2009549452ed6b524b94ed683079ee60c2b9542b1bfd5b9ee42e9161d5e7c8. 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


Mespinoza


Vendor detections: 8


Intelligence 8 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1e2009549452ed6b524b94ed683079ee60c2b9542b1bfd5b9ee42e9161d5e7c8
SHA3-384 hash: 8d7667560b38fc4d32d141c31582438c7a1e50ef1202fe3ed6ffc57c58aec2a408fe41ff0942cfa100c3156e4a807862
SHA1 hash: 7830608d116bec1cc8414fef03ea7d098201e051
MD5 hash: 367734ce59f38110fb0333a4d28a89dd
humanhash: cat-pip-tango-hot
File name:1e2009549452ed6b524b94ed683079ee60c2b9542b1bfd5b9ee42e9161d5e7c8
Download: download sample
Signature Mespinoza
Create hunting rule
File size:511'488 bytes
First seen:2020-11-25 10:11:19 UTC
Last seen:2020-11-25 11:46:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b5e8bd2552848bb7bf2f28228d014742 (21 x Mespinoza)
ssdeep 12288:rLIv9fm79P+OeO+OeNhBBhhBBmBRW3aHhIBidMbD6ispeJ:HIv9OxBRW3+hIIdEube
Threatray 4 similar samples on MalwareBazaar
TLSH 5CB47D60B573D072C96294F54E3DBA4A742DAC940B659BFBB3DC2A2D1DB40C01B32EE5
Reporter JAMESWT_WT
Tags:Mespinoza PYSA Ransomware

Intelligence

File Origin
# of uploads :
2
# of downloads :
2'636
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Moving a file to the Program Files subdirectory
Changing a file
Sending a UDP request
Moving a file to the %AppData% subdirectory
Creating a file
Creating a window
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Mespinoza
Create hunting rule
Detection:
malicious
Classification:
rans.spyw.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/546807
Signature
Antivirus / Scanner detection for submitted sample
Creates files in the recycle bin to hide itself
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for submitted file
Tries to harvest and steal browser information (history, passwords, etc)
Writes many files with high entropy
Yara detected Mespinoza ransomware
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1e2009549452ed6b524b94ed683079ee60c2b9542b1bfd5b9ee42e9161d5e7c8/
Threat name:
Win32.Ransomware.Mespinoza
Create hunting rule
Status:
Malicious
First seen:
2020-10-30 23:29:36 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Verdict:
malicious
Similar samples:
327934c4c11ba37f42a91e1b7b956d5a4511f918e63047a8c4aa081fd39de6d9
Mespinoza
48355bd2a57d92e017bdada911a4b31aa7225c0b12231c9cbda6717616abaea3
Mespinoza
e4287e9708a73ce6a9b7a3e7c72462b01f7cc3c595d972cf2984185ac1a3a4a8
Mespinoza
f0939ebfda6b30a330a00c57497038a54da359e316e0d6e6e71871fd50fec16a
Mespinoza
Result
Malware family:
n/a
Score:
  8/10
Tags:
ransomware spyware
Link:
https://tria.ge/reports/201125-1kjsv525e2/
Behaviour
Suspicious use of WriteProcessMemory
System policy modification
Drops file in Program Files directory
Drops file in Windows directory
Deletes itself
Reads user/profile data of web browsers
Modifies extensions of user files
Unpacked files
SH256 hash:
1e2009549452ed6b524b94ed683079ee60c2b9542b1bfd5b9ee42e9161d5e7c8
MD5 hash:
367734ce59f38110fb0333a4d28a89dd
SHA1 hash:
7830608d116bec1cc8414fef03ea7d098201e051
Detections:
win_mespinoza_auto
Create hunting rule
Link:
https://www.unpac.me/results/f0fc76da-5928-470e-a2c6-5d02f7edb6da/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/1e2009549452ed6b524b94ed683079ee60c2b9542b1bfd5b9ee42e9161d5e7c8

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_mespinoza_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.

Comments