MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f2e3f685256e5f31b05fc9f9ca470f527d7fdae28fa3190c8eba179473e20789. 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


Khonsari


Vendor detections: 9


Intelligence 9 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f2e3f685256e5f31b05fc9f9ca470f527d7fdae28fa3190c8eba179473e20789
SHA3-384 hash: c613a77a556db0c8b11349accc7c0eacb82d9a667fa2557992763018990876881438dd06e78ba68faa7b8621034dcc23
SHA1 hash: 0a1e239348a73b1a95ac1767c8afebe4b98cdeff
MD5 hash: 6ac57a1e090e7abdb9b7212e058c43c6
humanhash: five-avocado-alaska-oscar
File name:khonsari.exe
Download: download sample
Signature Khonsari
Create hunting rule
File size:12'800 bytes
First seen:2021-12-14 13:37:41 UTC
Last seen:2021-12-26 09:01:31 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 384:uo95XKnTPKv8CtjGdcYprMRpEvA1SXs/177:phKTPCtF5SXst77
TLSH T19942D60566A89736C2FA0F79CCA3875103B1D7A1D977CF1E3CC8A21A9C9274447936BA
Reporter LordSta44268966
Tags:exe Khonsari Ransomware

Intelligence

File Origin
# of uploads :
2
# of downloads :
393
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
khonsari.exe
Verdict:
Malicious activity
Analysis date:
2021-12-14 13:41:22 UTC
Tags:
ransomware
Link:
https://app.any.run/tasks/6578d315-11a7-44b7-8cce-77975871ce3d

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/213940/
Detection(s):
Win.Trojan.Khonsari-9915806-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Sending an HTTP GET request
Creating a file
Moving a recently created file
Changing a file
Modifying an executable file
Reading critical registry keys
DNS request
Launching a process
Creating a window
Sending a custom TCP request
Creating a file in the mass storage device
Stealing user critical data
Encrypting user's files
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
67%
Tags:
filecoder obfuscated packed
Link:
https://www.filescan.io/uploads/61b89e3fdb84542d41be87d8/reports/3cfeda69-e830-4d02-b114-11d2622f09f1/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/79ca13ec-4385-4ac1-a940-28b683c4aa6e
Result
Threat name:
Unknown
Detection:
malicious
Classification:
rans.evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/907078
Signature
Antivirus / Scanner detection for submitted sample
Detected unpacking (overwrites its own PE header)
Machine Learning detection for sample
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f2e3f685256e5f31b05fc9f9ca470f527d7fdae28fa3190c8eba179473e20789/
Threat name:
ByteCode-MSIL.Ransomware.Khonsari
Create hunting rule
Status:
Malicious
First seen:
2021-12-12 00:38:01 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
n/a
Score:
  8/10
Tags:
ransomware
Link:
https://tria.ge/reports/211214-qxd5rafge3/
Behaviour
Modifies registry class
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Modifies extensions of user files
Unpacked files
SH256 hash:
f2e3f685256e5f31b05fc9f9ca470f527d7fdae28fa3190c8eba179473e20789
MD5 hash:
6ac57a1e090e7abdb9b7212e058c43c6
SHA1 hash:
0a1e239348a73b1a95ac1767c8afebe4b98cdeff
Link:
https://www.unpac.me/results/b3678cc3-dd0b-4b79-933c-8826657e1a73/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/f2e3f685256e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/f2e3f685256e5f31b05fc9f9ca470f527d7fdae28fa3190c8eba179473e20789

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

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/213940/

Comments