MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9fdca9360e25dcfd92011c7aa47c40037cadc4573826b13cfdb8ecf7dc3bb553. 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

AgentTesla

Vendor detections: 17

Intelligence 17 IOCs YARA 29 File information Comments

SHA256 hash:	9fdca9360e25dcfd92011c7aa47c40037cadc4573826b13cfdb8ecf7dc3bb553
SHA3-384 hash:	59553579fb44b7bbaa09e135a86c2d0e0404bf6a705f54d2e14df04edd5dabe85af6f2fac83fa6def9629bd34a3c0c6c
SHA1 hash:	e9c03c4746d9d2ca7811d9067fa501ebad67be10
MD5 hash:	8f5b5b215937feb465df3f2c58f5a60e
humanhash:	summer-jupiter-speaker-hotel
File name:	wlanext.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	938'496 bytes
First seen:	2023-12-01 18:11:38 UTC
Last seen:	2023-12-01 19:19:18 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep	24576:JBFeGw0xuxKHprItYi/52Re9N5j+18wDDyY:Jh7M0OHB2+zCfDv
Threatray	756 similar samples on MalwareBazaar
TLSH	T15215238ABA68FB56C87247FF2EA5521103F1910B4CF5D5018CE234E791FAF219A61F4B
TrID	63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 11.2% (.SCR) Windows screen saver (13097/50/3) 9.0% (.EXE) Win64 Executable (generic) (10523/12/4) 5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter	Anonymous
Tags:	AgentTesla exe

Intelligence

File Origin

# of uploads :

# of downloads :

319

Origin country :

Vendor Threat Intelligence

Malware family:

remcos

ID:

File name:

Transferencia Interbancaria.xls

Verdict:

Malicious activity

Analysis date:

2023-12-01 18:01:44 UTC

Tags:

phishing phishing-pdf opendir exploit cve-2017-11882 loader rat remcos remote stealer

Link:

https://app.any.run/tasks/bc0368be-112e-4329-bbbc-51df8e5b77bf

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/461757/

Detection(s):

SecuriteInfo.com.Win32.KeyloggerX-gen.9328.8813.UNOFFICIAL

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

Creating a file

DNS request

Sending a custom TCP request

Sending an HTTP GET request

Reading critical registry keys

Using the Windows Management Instrumentation requests

Forced shutdown of a system process

Stealing user critical data

Adding an exclusion to Microsoft Defender

Enabling autorun by creating a file

Unauthorized injection to a system process

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/9fdca9360e25dcfd92011c7aa47c40037cadc4573826b13cfdb8ecf7dc3bb553

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/c9de050f-b6a3-466f-bd8d-196f223fac60

Result

Threat name:

Remcos

Detection:

malicious

Classification:

rans.phis.troj.spyw.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1351609

Behaviour

Behavior Graph:

n/a

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/9fdca9360e25dcfd92011c7aa47c40037cadc4573826b13cfdb8ecf7dc3bb553

Detection:

remcos

Link:

https://mwdb.cert.pl/sample/9fdca9360e25dcfd92011c7aa47c40037cadc4573826b13cfdb8ecf7dc3bb553/

Threat name:

Win32.Backdoor.Remcos

Status:

Suspicious

First seen:

2023-12-01 18:12:05 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

14 of 23 (60.87%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=t7oksnqoexop3eqbdr5ki7caan6k3rcxhatlcph5xdwppxb3wvjq._file

Verdict:

malicious

Label(s):

remcos

agenttesla

AgentTesla

741b7b64f2a1eb8aca439c9a4c304a90fba48c41c787114b8aced6c3102a5568

AgentTesla

9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867

AgentTesla

9fdca9360e25dcfd92011c7aa47c40037cadc4573826b13cfdb8ecf7dc3bb553

AgentTesla

ecd9a55e9ea48da28cad77769c47ba4836448ae2ef2b86e87b5f20f0badf1245

AgentTesla

f7b30dc1f94300574b8732927571cb9c63c8e986849f4079a8ceda881acf8c26

AgentTesla

+ 746 additional samples on MalwareBazaar

Result

Malware family:

remcos

Score:

10/10

Tags:

family:remcos botnet:grace collection rat

Link:

https://tria.ge/reports/231201-ws6l4aef69/

Behaviour

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

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

Uses the VBS compiler for execution

NirSoft MailPassView

NirSoft WebBrowserPassView

Nirsoft

Remcos

Malware Config

C2 Extraction:

grantadistciaret.com:3212

Unpacked files

SH256 hash:

bc99dcc182eaf17394c34611c1aef4ad45c3079ae116c19caa17620d64c39f7c

MD5 hash:

84fe0cc42b4f30e7b6f58c92f9ad3d56

SHA1 hash:

d753cc7cc8e2927f9cde57fb67b5bceebd2f5fd2

Link:

https://www.unpac.me/results/c08a98ea-9d2f-4cd8-b72e-9c453baf585b/

SH256 hash:

d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5

MD5 hash:

579197d4f760148a9482d1ebde113259

SHA1 hash:

cf6924eb360c7e5a117323bebcb6ee02d2aec86d

Link:

https://www.unpac.me/results/c08a98ea-9d2f-4cd8-b72e-9c453baf585b/

SH256 hash:

0441d055821f2cf69aa0d7f1de80eae9f58a227a74a79afd2da162a8fb7a2f93

MD5 hash:

b76428645f319c10e084938d51045c05

SHA1 hash:

c489e50f8184b7bc1a83e47d66e401e1fcedc30c

Link:

https://www.unpac.me/results/c08a98ea-9d2f-4cd8-b72e-9c453baf585b/

SH256 hash:

0e8a5f6bd3e915b9d2fae9428730dc5017348d23b622bccbb1971e352052734b

MD5 hash:

56feb04fdc8b0453c62267ac204ed555

SHA1 hash:

7d41fb41cac90bea85cb6691a5945568115cbcbf

Link:

https://www.unpac.me/results/c08a98ea-9d2f-4cd8-b72e-9c453baf585b/

SH256 hash:

cf0bc44ce17f3691873b5d4b1048d2ee37966fed0d6f9aefe82a63d5e3a44381

MD5 hash:

4c9dcdd5946caffba47fd4218404d384

SHA1 hash:

4f733af9d4a0eef8aa55968c2971f5d6ae1f0f57

Detections:

Remcos

win_remcos_w0

win_remcos_auto

malware_windows_remcos_rat

INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM

win_remcos_rat_unpacked

Link:

https://www.unpac.me/results/c08a98ea-9d2f-4cd8-b72e-9c453baf585b/

Parent samples :
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SH256 hash:

9fdca9360e25dcfd92011c7aa47c40037cadc4573826b13cfdb8ecf7dc3bb553

MD5 hash:

8f5b5b215937feb465df3f2c58f5a60e

SHA1 hash:

e9c03c4746d9d2ca7811d9067fa501ebad67be10

Link:

https://www.unpac.me/results/c08a98ea-9d2f-4cd8-b72e-9c453baf585b/

Malware family:

Remcos

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/9fdca9360e25/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/9fdca9360e25dcfd92011c7aa47c40037cadc4573826b13cfdb8ecf7dc3bb553

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:	AgentTesla_DIFF_Common_Strings_01 Create hunting rule
Author:	schmidtsz
Description:	Identify partial Agent Tesla strings

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.

Delivery method

Other

Cape

https://www.capesandbox.com/analysis/461757/

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