MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5e178f6b78d77fa92e271409eb3d0472c5608df13fbb7de1f8501f0ee87a8d0. 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


Epsilon


Vendor detections: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b5e178f6b78d77fa92e271409eb3d0472c5608df13fbb7de1f8501f0ee87a8d0
SHA3-384 hash: 511aa9c697c6a64d8f73ab7fc1afb34c0aaffc446b1a7896f629ba0e8608ce8ea1579e1c7a40688bc6a2dddeed20ae36
SHA1 hash: a921f8a827897250ebbc9847ea113f56dbb1c18d
MD5 hash: c6ec91aaa2bba2deb31fb645a2f9b9e4
humanhash: july-xray-connecticut-lion
File name:b5e178f6b78d77fa92e271409eb3d0472c5608df13fbb7de1f8501f0ee87a8d0.bin
Download: download sample
Signature Epsilon
Create hunting rule
File size:29'696 bytes
First seen:2021-01-18 22:19:04 UTC
Last seen:2021-01-19 11:10:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 384:xg389c8f5m/h0vl3vO0bJP1bsrAjVZE4BzH/Syvf3Ik076Uc:zHWOrbq4NHKy3J07q
TLSH D9D2292477C09A12D47707B61AF28602B331A2039B26EA1CBECE515D7B327D885E3F75
Reporter Arkbird_SOLG
Tags:Epsilon Ransomware

Intelligence

File Origin
# of uploads :
4
# of downloads :
261
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
B221.exe
Verdict:
Malicious activity
Analysis date:
2021-01-18 19:45:05 UTC
Tags:
ransomware
Link:
https://app.any.run/tasks/b7a7e18e-c079-46fb-b733-7a07eed21b8c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/112700/
Detection(s):
SecuriteInfo.com.Generic.Ransom.HydraCrypt.521D0907.5370.14300.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Changing a file
Sending a UDP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Encrypting user's files
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:
Unknown
Detection:
malicious
Classification:
rans.spre
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/584317
Signature
Antivirus / Scanner detection for submitted sample
Deletes shadow drive data (may be related to ransomware)
Found ransom note / readme
Infects executable files (exe, dll, sys, html)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Writes many files with high entropy
Yara detected Ransomware_Generic
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b5e178f6b78d77fa92e271409eb3d0472c5608df13fbb7de1f8501f0ee87a8d0/
Threat name:
ByteCode-MSIL.Ransomware.HiddenTear
Create hunting rule
Status:
Malicious
First seen:
2021-01-18 22:20:07 UTC
AV detection:
18 of 46 (39.13%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wxqxr5vxrv37vexcofaj5m6qi4wfmcg7cp53pxq7qua7b3uhvdia._file
Verdict:
unknown
Result
Malware family:
n/a
Score:
  10/10
Tags:
persistence ransomware spyware
Link:
https://tria.ge/reports/210118-q2j7kxdhbj/
Behaviour
Interacts with shadow copies
Modifies Internet Explorer settings
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies registry class
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 directory
Adds Run key to start application
Drops startup file
Reads user/profile data of web browsers
Deletes shadow copies
Unpacked files
SH256 hash:
b5e178f6b78d77fa92e271409eb3d0472c5608df13fbb7de1f8501f0ee87a8d0
MD5 hash:
c6ec91aaa2bba2deb31fb645a2f9b9e4
SHA1 hash:
a921f8a827897250ebbc9847ea113f56dbb1c18d
Link:
https://www.unpac.me/results/77ca7f41-d550-4448-aedd-7ca673a67a3e/
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/b5e178f6b78d77fa92e271409eb3d0472c5608df13fbb7de1f8501f0ee87a8d0

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:Choice_Del_method_bin_mem
Create hunting rule
Author:James_inthe_box
Description:cmd ping IP nul del
Rule name:Destructive_Ransomware_Gen1
Create hunting rule
Author:Florian Roth
Description:Detects destructive malware
Reference:http://blog.talosintelligence.com/2018/02/olympic-destroyer.html
Rule name:INDICATOR_SUSPICIOUS_GENRansomware
Create hunting rule
Author:ditekSHen
Description:detects command variations typically used by ransomware

File information

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

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/112700/
  
URLhaus
https://urlhaus.abuse.ch/url/971610/

Comments