MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 98662189dd651a779b07e9811eec44948ea41ac0f0d1d770efc6b9ff63e3b285. 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: 18

Intelligence 18 IOCs YARA 19 File information Comments

SHA256 hash:	98662189dd651a779b07e9811eec44948ea41ac0f0d1d770efc6b9ff63e3b285
SHA3-384 hash:	f67fefba8f136eed73694dff2fb520bf1d9b4bc4c4560acb99b4a318314985e57736b7d91541e74bbda2751d56f2f850
SHA1 hash:	a164ea1ae1ce4a3790d13d6f15d49cbbbcb670ea
MD5 hash:	8218b388e26ca3ccb548cb00c880997a
humanhash:	march-summer-lamp-table
File name:	DHL_AWB#62698719881.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	755'208 bytes
First seen:	2024-03-15 07:10:46 UTC
Last seen:	2024-03-15 08:21:53 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'737 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep	12288:0xiq+ZpH+3POqcfGu8Frc/cEA7rG+6GvAUZ2wEdLuTHNo38UIkR:0PKpHAPFqGTFecEH+4m2wER2NoBf
Threatray	4'982 similar samples on MalwareBazaar
TLSH	T167F423263FECC957C67269B91C9290220735BF0A285DCF89FCA4799D85F06C07A533D6
TrID	69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.0% (.EXE) Win64 Executable (generic) (10523/12/4) 6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.2% (.EXE) Win32 Executable (generic) (4504/4/1) 1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):
dhash icon	032f76606b636368 (6 x AgentTesla, 2 x Formbook, 1 x RemcosRAT)
Reporter	lowmal3
Tags:	AgentTesla exe

Intelligence

File Origin

# of uploads :

# of downloads :

326

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

98662189dd651a779b07e9811eec44948ea41ac0f0d1d770efc6b9ff63e3b285.exe

Verdict:

Malicious activity

Analysis date:

2024-03-15 07:11:43 UTC

Tags:

evasion stealer agenttesla

Link:

https://app.any.run/tasks/58e1557c-026b-45c0-9b5a-c17bb9d5c326

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/479088/

Detection(s):

Porcupine.Malware.58887.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Сreating synchronization primitives

Unauthorized injection to a recently created process

Restart of the analyzed sample

Creating a file

Using the Windows Management Instrumentation requests

DNS request

Connection attempt

Sending an HTTP GET request

Reading critical registry keys

Stealing user critical data

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

masquerade overlay packed

Link:

https://www.filescan.io/uploads/65f3f48787137159d441fcab/reports/6b2eb5ba-d497-41c6-9223-96e4191338e9/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/98662189dd651a779b07e9811eec44948ea41ac0f0d1d770efc6b9ff63e3b285

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:

Agent Tesla

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/d36eb27d-cf4c-4f02-bb24-e132f0593e5c

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1409359

Signature

.NET source code contains potential unpacker

.NET source code contains very large array initializations

Antivirus / Scanner detection for submitted sample

Check if machine is in data center or colocation facility

Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)

Contains functionality to log keystrokes (.Net Source)

Found malware configuration

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

Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)

Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)

Snort IDS alert for network traffic

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

Tries to harvest and steal browser information (history, passwords, etc)

Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)

Tries to steal Mail credentials (via file / registry access)

Yara detected AgentTesla

Yara detected AntiVM3

Yara detected Generic Downloader

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/98662189dd651a779b07e9811eec44948ea41ac0f0d1d770efc6b9ff63e3b285

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/98662189dd651a779b07e9811eec44948ea41ac0f0d1d770efc6b9ff63e3b285/

Threat name:

ByteCode-MSIL.Spyware.Negasteal

Status:

Malicious

First seen:

2024-03-15 05:26:37 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

23 of 37 (62.16%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=tbtcdco5munhpgyh5gar53cesshkigwa6di5o4hpy2476y7dwkcq._file

Verdict:

malicious

AgentTesla

5491fcd61ab5265371cd23d171a7e793be1f33dc2e7f8a08d1feb11fa7be8283

AgentTesla

7948315565e8321056661c7aabdeb10e01ca73d2425a6f6bd17593a0ffb484ef

AgentTesla

d31237a1c55a5143af91c36cdac3c89509942f0b9c7be6cc4e390eed9277d76a

AgentTesla

+ 4'972 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla keylogger spyware stealer trojan

Link:

https://tria.ge/reports/240315-hzyceacf88/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Looks up external IP address via web service

Reads WinSCP keys stored on the system

Reads data files stored by FTP clients

Reads user/profile data of local email clients

Reads user/profile data of web browsers

AgentTesla

Unpacked files

SH256 hash:

b18c02279b5016ab433cb11fc68212055966fbe81bb7d7f10d526fb2b61d6454

MD5 hash:

149f6e1717a06c65c1f12b5b06940fa3

SHA1 hash:

d725ed17da37f999989da683ac1f53d50bb217d5

Link:

https://www.unpac.me/results/d2ca471f-f7a0-41e9-b37c-3cb00c876171/

SH256 hash:

651fc838a1ddf94087801a771da3632fdb1f463fb556730371877e2a8f3eb69f

MD5 hash:

7059b9d555a40df0758ffd0cb6692353

SHA1 hash:

82f736124863a7f891bc8eee89f8cb5a732de5e4

Detections:

AgentTesla

win_agent_tesla_g2

INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

Agenttesla_type2

INDICATOR_SUSPICIOUS_Binary_References_Browsers

INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID

INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL

INDICATOR_EXE_Packed_GEN01

INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Link:

https://www.unpac.me/results/d2ca471f-f7a0-41e9-b37c-3cb00c876171/

Parent samples :

98662189dd651a779b07e9811eec44948ea41ac0f0d1d770efc6b9ff63e3b285
61ee3d529ac5458175e10f0205a0e209d3ace85dc6185652053ddc92c05945eb
05261e8594490477eddd50ccd0499af1dd0f1bdeac466c1ddcf435afe4841641
72c40f3f6947ff099a6d1be24abc9e8bce01ddc10c90f61d8f0b8e1a3c283d9c
eb0ff5d9f0cb546e4bea9c3b49c6f2fc84c32011b7a45b836857998f90bae51b
95e526a19a39942ee7073e28adddb685bb5bb41f889858c91bea644c657acb36
210759f49f032d8823c360b0e6d609ccf2259b885e86a15a70a39c09124b9a60
dadafd098dc94e3706b0e84b36042b4dced32a372c4b086d85df4a23943b88ac

SH256 hash:

7b4aff01a10e4b74fa42e9f3bfaca8108bba632d09a451ae59f5ebf3dc85eab1

MD5 hash:

6b75a59e836957c528b3cae0c6dcf678

SHA1 hash:

3a0f08b59fe711bf81c68221117c9410f310eb86

Link:

https://www.unpac.me/results/d2ca471f-f7a0-41e9-b37c-3cb00c876171/

SH256 hash:

64557d9d5d214bf4e498bb12b975721a3e300cbb307c3b64538e3112e2ca3417

MD5 hash:

428b04ae5e26ee4acd5a33365abeb677

SHA1 hash:

38b2309765e8ca6770bd23b066224dec851be3d4

Link:

https://www.unpac.me/results/d2ca471f-f7a0-41e9-b37c-3cb00c876171/

SH256 hash:

c7b65c024c00424121be603e04c3032bfb1415c2bb12dadcf03c34ee72321c58

MD5 hash:

1c54147f268ac0afa3a41e7c89a79162

SHA1 hash:

221ff832887f8be905fd555f973422b587bacefb

Link:

https://www.unpac.me/results/d2ca471f-f7a0-41e9-b37c-3cb00c876171/

SH256 hash:

98662189dd651a779b07e9811eec44948ea41ac0f0d1d770efc6b9ff63e3b285

MD5 hash:

8218b388e26ca3ccb548cb00c880997a

SHA1 hash:

a164ea1ae1ce4a3790d13d6f15d49cbbbcb670ea

Detections:

INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438

Link:

https://www.unpac.me/results/d2ca471f-f7a0-41e9-b37c-3cb00c876171/

Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/98662189dd65/report/overview.html

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

Threat name:

AgentTesla

Score:

0.90

Link:

https://yomi.yoroi.company/submissions/98662189dd651a779b07e9811eec44948ea41ac0f0d1d770efc6b9ff63e3b285

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:	AgentTeslaV3 Create hunting rule
Author:	ditekshen
Description:	AgentTeslaV3 infostealer payload

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

Rule name:	INDICATOR_EXE_Packed_GEN01 Create hunting rule
Author:	ditekSHen
Description:	Detect packed .NET executables. Mostly AgentTeslaV4.

Rule name:	INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438 Create hunting rule
Author:	ditekSHen
Description:	Detects executables signed with stolen, revoked or invalid certificates

Rule name:	INDICATOR_SUSPICIOUS_Binary_References_Browsers Create hunting rule
Author:	ditekSHen
Description:	Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

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_Referenfces_File_Transfer_Clients Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many file transfer clients. Observed in information stealers

Rule name:	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL Create hunting rule
Author:	ditekSHen
Description:	Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion

Rule name:	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing Windows vault credential objects. Observed in infostealers

Rule name:	malware_Agenttesla_type2 Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect Agenttesla in memory
Reference:	internal research

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

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

Rule name:	PE_Digital_Certificate Create hunting rule
Author:	albertzsigovits

Rule name:	pe_imphash Create hunting rule

Rule name:	PE_Potentially_Signed_Digital_Certificate Create hunting rule
Author:	albertzsigovits

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

Rule name:	Windows_Trojan_AgentTesla_ebf431a8 Create hunting rule
Author:	Elastic Security
Reference:	https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla

File information

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

Malspam

AgentTesla

exe 98662189dd651a779b07e9811eec44948ea41ac0f0d1d770efc6b9ff63e3b285

(this sample)

Delivery method

Distributed via e-mail attachment

Cape

https://www.capesandbox.com/analysis/479088/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high

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