MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9b91ccd7158599ea4cb5e71315d9e4ed38e326910e5a896caf7ed2cf8ed87016. 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

RemcosRAT

Vendor detections: 8

Intelligence 8 IOCs YARA 9 File information Comments

SHA256 hash:	9b91ccd7158599ea4cb5e71315d9e4ed38e326910e5a896caf7ed2cf8ed87016
SHA3-384 hash:	729f4adfa60a35b4ffb5686008df7153018351a15fef9119fdd3df4bac62a88781278659764f18907fd3906f776c7b1a
SHA1 hash:	0ed176a244e6dd85c455aef5f7d44e12fa1c27a8
MD5 hash:	589bc5a4d262da1e236e1365d351ada8
humanhash:	west-six-texas-yankee
File name:	589bc5a4d262da1e236e1365d351ada8.exe
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	50'176 bytes
First seen:	2021-02-03 10:16:53 UTC
Last seen:	2021-02-03 12:21:55 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep	768:PTf8WWsFEGJHLKGBgc6xxZugL5D/dSwPUaKPW8728sddb+:jxWsDk1uy1/drPkPWj86+
Threatray	3 similar samples on MalwareBazaar
TLSH	8533E64E2AACB169D1A31B751925FA70372C97305860C80DB406D25DEEC1AFB98CDEDB
Reporter	abuse_ch
Tags:	exe RAT RemcosRAT

abuse_ch

RemcosRAT C2:
gdyhjjdhbvxgsfe.gotdns.ch:2117

Intelligence

File Origin

# of uploads :

# of downloads :

115

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

Walaa-Qasem-resume 2.doc

Verdict:

Malicious activity

Analysis date:

2021-02-03 07:44:53 UTC

Tags:

exploit CVE-2017-11882 trojan rat remcos

Link:

https://app.any.run/tasks/dee692ba-fa80-4f12-bd24-80ad6e29e29a

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/115279/

Detection(s):

SecuriteInfo.com.Variant.Bulz.339626.64.4807.UNOFFICIAL

Result

Verdict:

Suspicious

Maliciousness:

Behaviour

Sending a UDP request

Launching the default Windows debugger (dwwin.exe)

Connection attempt to an infection source

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:

evad

Score:

60 / 100

Link:

https://www.joesandbox.com/analysis/597646

Signature

Multi AV Scanner detection for domain / URL

Multi AV Scanner detection for submitted file

Potential time zone aware malware

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/9b91ccd7158599ea4cb5e71315d9e4ed38e326910e5a896caf7ed2cf8ed87016/

Threat name:

ByteCode-MSIL.Backdoor.Remcos

Status:

Malicious

First seen:

2021-02-03 07:06:38 UTC

AV detection:

20 of 28 (71.43%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=toi4zvyvqwm6utfv44jrlwpe5u4ogjurbznis3fpp3jm7dwyoala._file

Verdict:

unknown

RemcosRAT

befc201977528c9d3362acfd8fecb519753e277d98a97273cb6a6cfbfafaf8c0

RemcosRAT

f7c779d5d3483c74f637ad8275802bacd163c29f25ac25cd57c1df7efa98d278

RemcosRAT

Result

Malware family:

n/a

Score:

10/10

Tags:

n/a

Link:

https://tria.ge/reports/210203-nqlrv8p7ws/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Program crash

Suspicious use of NtCreateProcessExOtherParentProcess

Unpacked files

SH256 hash:

9b91ccd7158599ea4cb5e71315d9e4ed38e326910e5a896caf7ed2cf8ed87016

MD5 hash:

589bc5a4d262da1e236e1365d351ada8

SHA1 hash:

0ed176a244e6dd85c455aef5f7d44e12fa1c27a8

Link:

https://www.unpac.me/results/74cb3724-803a-4be7-890f-ed3512d01e8f/

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Kryptik

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/9b91ccd7158599ea4cb5e71315d9e4ed38e326910e5a896caf7ed2cf8ed87016

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:	ach_RemcosRAT Create hunting rule
Author:	abuse.ch

Rule name:	Chrome_stealer_bin_mem Create hunting rule
Author:	James_inthe_box
Description:	Chrome in files like avemaria

Rule name:	INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer Create hunting rule
Author:	ditekSHen
Description:	detects Windows exceutables potentially bypassing UAC using eventvwr.exe

Rule name:	Keylog_bin_mem Create hunting rule
Author:	James_inthe_box
Description:	Contains Keylog

Rule name:	Parallax Create hunting rule
Author:	@bartblaze
Description:	Identifies Parallax RAT.

Rule name:	Remcos Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect Remcos in memory

Rule name:	remcos_rat Create hunting rule
Author:	jeFF0Falltrades

Rule name:	REMCOS_RAT_variants Create hunting rule

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