MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 28f934d0bbd26fbd1755bd03bce10d69f031b79eafffc76b20ec614940c33902. 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

LimeRAT

Vendor detections: 11

Intelligence 11 IOCs YARA 4 File information Comments

SHA256 hash:	28f934d0bbd26fbd1755bd03bce10d69f031b79eafffc76b20ec614940c33902
SHA3-384 hash:	61d8f291fc3220c483ee8ecfb4f6907e564f4c3b806ea55acc020f94479fbad115026369fe2c1d5a001788dc1d4cc9c8
SHA1 hash:	47726a9fbc0f8d2e3f7731cbe1b58d8deff380d0
MD5 hash:	43579219a247f11929666057f045882a
humanhash:	missouri-sierra-berlin-helium
File name:	28f934d0bbd26fbd1755bd03bce10d69f031b79eafffc76b20ec614940c33902
Download:	download sample
Signature	LimeRAT Create hunting rule
File size:	305'152 bytes
First seen:	2021-08-31 10:21:09 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep	384:7B+Sbj6NKABm6tdAHa1cXqDqKNq73MvDKNrCeJE3WNgqW2VYqo2ASQro3lcEOsjD:lpAs6tdwamiqri45Nn/F/jEAdKPhX
Threatray	102 similar samples on MalwareBazaar
TLSH	T17454F4407AF6D246C1982AB0CD51F1F30660BE67ED22A71B38C77F4F76763A14A18693
dhash icon	b6606dfce2d26060 (1 x LimeRAT)
Reporter	JAMESWT_WT
Tags:	exe LimeRAT

Intelligence

File Origin

# of uploads :

# of downloads :

817

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

Synapse Patcher (run if it doesnt work).exe

Verdict:

Malicious activity

Analysis date:

2021-07-01 00:55:39 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/5db4e41e-ffd9-4102-91d0-fee3ccf4b9fe

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection:

LimeRAT

Link:

https://www.capesandbox.com/analysis/184123/

Detection(s):

Win.Malware.Barys-6836745-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Using the Windows Management Instrumentation requests

Creating a file in the %AppData% subdirectories

Launching a process

Creating a process with a hidden window

Sending a UDP request

Creating a process from a recently created file

Creating a file

Creating a window

DNS request

Connection attempt

Sending a custom TCP request

Unauthorized injection to a recently created process

Enabling autorun by creating a file

Malware family:

LimeRat

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/d0c5ce59-ca4b-477e-8dc6-5542310fb2dc

Result

Threat name:

LimeRAT

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/842558

Signature

.NET source code contains potential unpacker

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

Connects to a pastebin service (likely for C&C)

Hides that the sample has been downloaded from the Internet (zone.identifier)

Machine Learning detection for dropped file

Machine Learning detection for sample

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Protects its processes via BreakOnTermination flag

Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Uses schtasks.exe or at.exe to add and modify task schedules

Yara detected LimeRAT

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/28f934d0bbd26fbd1755bd03bce10d69f031b79eafffc76b20ec614940c33902/

Threat name:

ByteCode-MSIL.Backdoor.LimeRAT

Status:

Malicious

First seen:

2021-07-01 06:54:58 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

27 of 29 (93.10%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=fd4tjuf32jx32f2vxub3zyinnhyddn46v774o2za5rqusqgdheba._file

Verdict:

malicious

Result

Malware family:

limerat

Score:

10/10

Tags:

family:limerat rat

Link:

https://tria.ge/reports/210831-ytszbwc3q2/

Behaviour

Creates scheduled task(s)

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Legitimate hosting services abused for malware hosting/C2

Loads dropped DLL

Executes dropped EXE

LimeRAT

Unpacked files

SH256 hash:

28f934d0bbd26fbd1755bd03bce10d69f031b79eafffc76b20ec614940c33902

MD5 hash:

43579219a247f11929666057f045882a

SHA1 hash:

47726a9fbc0f8d2e3f7731cbe1b58d8deff380d0

Link:

https://www.unpac.me/results/5af47dfd-dbde-44ed-a54a-f58cc29e884d/

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/28f934d0bbd2/report/overview.html

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/28f934d0bbd26fbd1755bd03bce10d69f031b79eafffc76b20ec614940c33902

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:	MALWARE_Win_LimeRAT Create hunting rule
Author:	ditekSHen
Description:	LimeRAT payload

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

https://www.capesandbox.com/analysis/184123/

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