MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f7b30dc1f94300574b8732927571cb9c63c8e986849f4079a8ceda881acf8c26. 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: 16

Intelligence 16 IOCs YARA 28 File information Comments

SHA256 hash:	f7b30dc1f94300574b8732927571cb9c63c8e986849f4079a8ceda881acf8c26
SHA3-384 hash:	1c28c43bf6082bfbaa7960d1264674691a504dda956d56ccccce2f448e5f37db253395872452c85eb3dad3b23994e74b
SHA1 hash:	2a28d1d079265bc5f3b7bf760b2c013c068880fd
MD5 hash:	f91fad767cd2b51bf82e41ea006d636f
humanhash:	ink-enemy-undress-football
File name:	SecuriteInfo.com.Win32.PWSX-gen.29177.21879
Download:	download sample
Signature	RemcosRAT Create hunting rule
File size:	951'808 bytes
First seen:	2023-12-01 06:27:26 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	24576:/sJpy9ZFI4XBIKYk8AVia/UonE1K8sEYNs:/sJo9ZRXBsk8p3GeK8sLs
Threatray	688 similar samples on MalwareBazaar
TLSH	T196152220239AD766D63B5FFB9880904053B2E913B415F34C9ED350DEABB0790D662EDB
TrID	71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.2% (.EXE) Win64 Executable (generic) (10523/12/4) 6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.3% (.EXE) Win32 Executable (generic) (4505/5/1) 2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):
dhash icon	30e8ccd4716961e8 (15 x AgentTesla, 3 x Formbook, 1 x Loki)
Reporter	SecuriteInfoCom
Tags:	exe RemcosRAT

Intelligence

File Origin

# of uploads :

# of downloads :

317

Origin country :

Vendor Threat Intelligence

Malware family:

remcos

ID:

File name:

SecuriteInfo.com.Win32.PWSX-gen.29177.21879

Verdict:

Malicious activity

Analysis date:

2023-12-01 06:28:38 UTC

Tags:

rat remcos remote stealer

Link:

https://app.any.run/tasks/48f0b6e2-6e83-4c89-93a9-f66cbfe9d016

Note:

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

Detection:

Remcos

Link:

https://www.capesandbox.com/analysis/461582/

Gathering data

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Сreating synchronization primitives

Creating a process with a hidden window

Creating a file in the %AppData% directory

Enabling the 'hidden' option for recently created files

Adding an access-denied ACE

Creating a file in the %temp% directory

Launching a process

Unauthorized injection to a recently created process

Restart of the analyzed sample

Creating a file

DNS request

Sending a custom TCP request

Sending an HTTP GET request

Reading critical registry keys

Stealing user critical data

Adding an exclusion to Microsoft Defender

Enabling autorun by creating a file

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/f7b30dc1f94300574b8732927571cb9c63c8e986849f4079a8ceda881acf8c26

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/efef4fba-5791-4183-aa5c-1874899a27ed

Result

Threat name:

Remcos

Detection:

malicious

Classification:

rans.phis.troj.spyw.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1351124

Behaviour

Behavior Graph:

n/a

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/f7b30dc1f94300574b8732927571cb9c63c8e986849f4079a8ceda881acf8c26

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/f7b30dc1f94300574b8732927571cb9c63c8e986849f4079a8ceda881acf8c26/

Threat name:

Win32.Backdoor.Remcos

Status:

Malicious

First seen:

2023-12-01 06:28:06 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

17 of 23 (73.91%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=66zq3qpzimafos4hgkjhk4oltrr4r2mgqspua6niz3niqgwprqta._file

Verdict:

malicious

Label(s):

remcos

agenttesla

RemcosRAT

4a182c398c109d1c4863ef54ce1a34461547d9437e99c62d3f11853cebae39c0

RemcosRAT

722d2203c16ee92a4ca9476191a40da3ee3cbed17e0b810963ffb1d4e08c887a

RemcosRAT

d42c0f3feb463d2bc5899d453f2c5cc05efc8c4a63dff73982e0d0447f41a4b0

RemcosRAT

efe39c5110b88d729074100bc89af380138174b641501f76eea1a8650ac88c8c

RemcosRAT

+ 678 additional samples on MalwareBazaar

Result

Malware family:

remcos

Score:

10/10

Tags:

family:remcos botnet:sammy stub collection rat spyware stealer

Link:

https://tria.ge/reports/231201-g718laff3s/

Behaviour

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Suspicious use of SetThreadContext

Accesses Microsoft Outlook accounts

Checks computer location settings

Reads user/profile data of web browsers

NirSoft MailPassView

NirSoft WebBrowserPassView

Nirsoft

Remcos

Malware Config

C2 Extraction:

91.92.250.65:2404
127.0.0.1:1606
sameruo.ddns.net:1606

Unpacked files

SH256 hash:

066263372d9f6014537d52f60d7f9bc3ec0d74529d73c21ac28488336a2e2422

MD5 hash:

2cfa8432747f4d6083d7e5885c58d96f

SHA1 hash:

de3fe263a4af0aaf9aca5a9aafdd1d8f3ea2b756

Link:

https://www.unpac.me/results/f3c649d2-916f-460d-a122-1020b1d033d6/

SH256 hash:

cd89fc830c18fce902789d7980623843c7c3beabd05b6233dd0cbd496f53291e

MD5 hash:

f530184891867ddbc3fcff6ffe1428cc

SHA1 hash:

db09d7d558d6a213080064ded3a448a671af90a8

Detections:

Remcos

win_remcos_w0

win_remcos_auto

win_remcos_rat_unpacked

INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM

malware_windows_remcos_rat

Link:

https://www.unpac.me/results/f3c649d2-916f-460d-a122-1020b1d033d6/

Parent samples :

1ec6d9467259d4524dd9bb3ff8d5d6befe7ffb90f64d91418880c5ae5071fd6d
f7b30dc1f94300574b8732927571cb9c63c8e986849f4079a8ceda881acf8c26
2e15752e1ce078c54355c354cc29ee8d75d48aa3c9821c81c2a74e7f679edb21

SH256 hash:

bc99dcc182eaf17394c34611c1aef4ad45c3079ae116c19caa17620d64c39f7c

MD5 hash:

84fe0cc42b4f30e7b6f58c92f9ad3d56

SHA1 hash:

d753cc7cc8e2927f9cde57fb67b5bceebd2f5fd2

Link:

https://www.unpac.me/results/f3c649d2-916f-460d-a122-1020b1d033d6/

SH256 hash:

d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5

MD5 hash:

579197d4f760148a9482d1ebde113259

SHA1 hash:

cf6924eb360c7e5a117323bebcb6ee02d2aec86d

Link:

https://www.unpac.me/results/f3c649d2-916f-460d-a122-1020b1d033d6/

SH256 hash:

0e8a5f6bd3e915b9d2fae9428730dc5017348d23b622bccbb1971e352052734b

MD5 hash:

56feb04fdc8b0453c62267ac204ed555

SHA1 hash:

7d41fb41cac90bea85cb6691a5945568115cbcbf

Link:

https://www.unpac.me/results/f3c649d2-916f-460d-a122-1020b1d033d6/

SH256 hash:

f7b30dc1f94300574b8732927571cb9c63c8e986849f4079a8ceda881acf8c26

MD5 hash:

f91fad767cd2b51bf82e41ea006d636f

SHA1 hash:

2a28d1d079265bc5f3b7bf760b2c013c068880fd

Link:

https://www.unpac.me/results/f3c649d2-916f-460d-a122-1020b1d033d6/

Malware family:

Remcos

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/f7b30dc1f943/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/f7b30dc1f94300574b8732927571cb9c63c8e986849f4079a8ceda881acf8c26

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:	BLOWFISH_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for Blowfish constants

Rule name:	DebuggerCheck__API Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	DebuggerCheck__QueryInfo Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	iexplorer_remcos Create hunting rule
Author:	iam-py-test
Description:	Detect iexplorer being taken over by Remcos

Rule name:	INDICATOR_EXE_Packed_MPress Create hunting rule
Author:	ditekSHen
Description:	Detects executables built or packed with MPress PE compressor

Rule name:	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

Rule name:	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many email and collaboration clients. Observed in information stealers

Rule name:	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM Create hunting rule
Author:	ditekSHen
Description:	Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)

Rule name:	maldoc_find_kernel32_base_method_1 Create hunting rule
Author:	Didier Stevens (https://DidierStevens.com)

Rule name:	maldoc_getEIP_method_1 Create hunting rule
Author:	Didier Stevens (https://DidierStevens.com)

Rule name:	MD5_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for MD5 constants

Rule name:	meth_get_eip Create hunting rule
Author:	Willi Ballenthin

Rule name:	meth_stackstrings Create hunting rule
Author:	Willi Ballenthin

Rule name:	NET Create hunting rule
Author:	malware-lu

Rule name:	pe_imphash Create hunting rule

Rule name:	QbotStuff Create hunting rule
Author:	anonymous

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

Rule name:	REMCOS_RAT_variants Create hunting rule

Rule name:	RIPEMD160_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for RIPEMD-160 constants

Rule name:	SHA1_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA1 constants

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

Rule name:	TeslaCryptPackedMalware Create hunting rule

Rule name:	ThreadControl__Context Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	Windows_Trojan_Remcos_b296e965 Create hunting rule
Author:	Elastic Security

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

Rule name:	win_remcos_w0 Create hunting rule
Author:	Matthew @ Embee_Research
Description:	Detects strings present in remcos rat Samples.

Rule name:	yarahub_win_remcos_rat_unpacked_aug_2023 Create hunting rule
Author:	Matthew @ Embee_Research

Rule name:	yara_template Create hunting rule

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/461582/

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