MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 491fc06707082064a3f889d640caaeacf0a7f1f5727fd56c14b99df48911a007. 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: 12

Intelligence 12 IOCs YARA 8 File information Comments 1

SHA256 hash:	491fc06707082064a3f889d640caaeacf0a7f1f5727fd56c14b99df48911a007
SHA3-384 hash:	80e56f268dde91bed6e886c4b6bab418f52d243ed0c966c044d8b1994fb0bcaeee69fb629c48c42b268fd479651658fe
SHA1 hash:	04edac646302609dc5afc77049e9368df97f8aff
MD5 hash:	bd4bee34e0fe8a9acd000f733a0e8f9c
humanhash:	robert-mirror-uniform-xray
File name:	bd4bee34e0fe8a9acd000f733a0e8f9c
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	660'480 bytes
First seen:	2022-07-28 08:43:14 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep	12288:oihGojL81w6xg+ugGpJMooeHxRy7DLrk2B0xvnOYh0s4gH191Pk:HhGojUw6xgPLeLrk2B0xvOYnPZ8
TLSH	T1EDE4D069B129396BC67D90F4A024A2416BF96C22310FF3CA3DC578DE18F7F855E22953
TrID	72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.4% (.EXE) Win64 Executable (generic) (10523/12/4) 6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.4% (.EXE) Win32 Executable (generic) (4505/5/1) 2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter	zbetcheckin
Tags:	32 exe RemcosRAT

Intelligence

File Origin

# of uploads :

# of downloads :

284

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

remcos

ID:

File name:

Νέα παραγγελία-07934.doc

Verdict:

Malicious activity

Analysis date:

2022-07-28 10:07:44 UTC

Tags:

exploit CVE-2017-11882 loader trojan rat remcos

Link:

https://app.any.run/tasks/e5c26c9f-7b60-40bb-83bf-1b797f451108

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/294873/

Detection(s):

SecuriteInfo.com.Trojan.Zmutzy.Pong.2-1.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a custom TCP request

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.

Malware family:

REMCOS

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/96209e53-fdf3-4f3f-acfb-75db0e92dee8

Result

Threat name:

Remcos

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1042381

Signature

.NET source code contains potential unpacker

C2 URLs / IPs found in malware configuration

Contains functionality to capture and log keystrokes

Contains functionality to detect virtual machines (IN, VMware)

Contains functionality to inject code into remote processes

Contains functionality to steal Chrome passwords or cookies

Contains functionality to steal Firefox passwords or cookies

Detected Remcos RAT

Found stalling execution ending in API Sleep call

Injects a PE file into a foreign processes

Installs a global keyboard hook

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Snort IDS alert for network traffic

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

Uses dynamic DNS services

Yara detected AntiVM3

Yara detected Remcos RAT

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/491fc06707082064a3f889d640caaeacf0a7f1f5727fd56c14b99df48911a007/

Threat name:

ByteCode-MSIL.Trojan.RemcosRAT

Status:

Malicious

First seen:

2022-07-28 08:44:07 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

22 of 26 (84.62%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=jep4azyhbaqgji7yrhlebsvovtykp4pvoj75k3auxgo7jciruadq._file

Result

Malware family:

remcos

Score:

10/10

Tags:

family:remcos botnet:host rat

Link:

https://tria.ge/reports/220728-km6jcsada4/

Behaviour

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Remcos

Malware Config

C2 Extraction:

tzitziklishop1.ddns.net:1664

Unpacked files

SH256 hash:

39c2d879c57f07305ce60412dc8a88f02e51f1a14a06cc605768d1d7f5313807

MD5 hash:

db51fe170a9e5d6ec5429a2fbd9d0353

SHA1 hash:

e30a58125fc41322db6cf2ccb6a6d414ed379016

Link:

https://www.unpac.me/results/cb5efc3e-b225-4020-9711-08e45b25e6d4/

SH256 hash:

b0faeedb01ec874c082f6a4b127b85d87883629fa096d3008bf1879b8d9c88ec

MD5 hash:

456bf00b363b5791c780182c0f545034

SHA1 hash:

92a14083e1a8aade89ebf00a6e82f10b55e149cf

Link:

https://www.unpac.me/results/cb5efc3e-b225-4020-9711-08e45b25e6d4/

SH256 hash:

64e4d807d122c5ad5d7410c1e53705fcaa52432f7856f055972023dfca47edcb

MD5 hash:

1624c4f9c10bc314cff7deda2ef5564a

SHA1 hash:

7ea5086c487d2813abfc9644ef2133d216489b0b

Link:

https://www.unpac.me/results/cb5efc3e-b225-4020-9711-08e45b25e6d4/

SH256 hash:

75784d0c3d0513ab7584c115a602526f53e331d9ed5a8fbf6934d4961e158152

MD5 hash:

157f7c96ab713e5343d5425607a4a102

SHA1 hash:

4e117031c35e4f150074692f56224f513623650b

Detections:

win_remcos_g0

win_remcos_auto

Link:

https://www.unpac.me/results/cb5efc3e-b225-4020-9711-08e45b25e6d4/

SH256 hash:

a9c5b2c628a47247402ff05d399855caf6f6a22146d44cd0fd9d7fc05a65ba66

MD5 hash:

228ff1006be83039e4de2b5e0475a5b0

SHA1 hash:

3adef5cc343067fa6b9d5e712114dc619c867a72

Link:

https://www.unpac.me/results/cb5efc3e-b225-4020-9711-08e45b25e6d4/

SH256 hash:

491fc06707082064a3f889d640caaeacf0a7f1f5727fd56c14b99df48911a007

MD5 hash:

bd4bee34e0fe8a9acd000f733a0e8f9c

SHA1 hash:

04edac646302609dc5afc77049e9368df97f8aff

Link:

https://www.unpac.me/results/cb5efc3e-b225-4020-9711-08e45b25e6d4/

Malware family:

Remcos

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/491fc0670708/report/overview.html

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

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

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

Rule name:	pe_imphash Create hunting rule

Rule name:	Remcos Create hunting rule
Author:	kevoreilly
Description:	Remcos Payload

Rule name:	remcos_rat Create hunting rule
Author:	jeFF0Falltrades

Rule name:	REMCOS_RAT_variants Create hunting rule

Rule name:	Skystars_Malware_Imphash Create hunting rule
Author:	Skystars LightDefender
Description:	imphash

Rule name:	win_remcos_auto Create hunting rule
Author:	Felix Bilstein - yara-signator at cocacoding dot com
Description:	Detects win.remcos.

File information

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

Web download

RemcosRAT

exe 491fc06707082064a3f889d640caaeacf0a7f1f5727fd56c14b99df48911a007

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/2262146/

Cape

https://www.capesandbox.com/analysis/294873/

Comments

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zbet commented on 2022-07-28 08:43:27 UTC

url : hxxp://208.67.105.179/catzx.exe