MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b7661d817db31a91f0d502ca0adc46267774d7ea33808dfc6f8938d1ecb1a466. 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:	b7661d817db31a91f0d502ca0adc46267774d7ea33808dfc6f8938d1ecb1a466
SHA3-384 hash:	b408d4758415474a3a9e8398fa3f889e79c52529b6ab4db445f59e418c047560b65126f1193ac68fac3e687c6d35b73d
SHA1 hash:	e817fbd363fd11129944b1b780d25f09752895f9
MD5 hash:	d68d414e373080de951c095002ab6ebc
humanhash:	arizona-hawaii-yankee-mockingbird
File name:	DHL Tracking 02.04.2024.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	776'712 bytes
First seen:	2024-04-02 13:27:30 UTC
Last seen:	2024-04-02 14:34:54 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'648 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep	12288:vPGmMZcraWX5BvlZ2tDW8wYCRTHYWqTUgIVSZxurA2ubzL24DEileNBqU48dJalo:vMm95BvlstiPRTHXgPkrAfzSMxejqUd/
Threatray	4'230 similar samples on MalwareBazaar
TLSH	T1F2F4125473BC861BD7FE7AB12A3814006BB2B682B435D7CD2D9440CC69E6F814A61FB7
TrID	67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 9.7% (.EXE) Win64 Executable (generic) (10523/12/4) 6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):
dhash icon	69d496b271e8d010 (7 x AgentTesla, 4 x Formbook)
Reporter	abuse_ch
Tags:	AgentTesla DHL exe

Intelligence

File Origin

# of uploads :

# of downloads :

312

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

b7661d817db31a91f0d502ca0adc46267774d7ea33808dfc6f8938d1ecb1a466.exe

Verdict:

Malicious activity

Analysis date:

2024-04-02 13:51:38 UTC

Tags:

agenttesla stealer evasion

Link:

https://app.any.run/tasks/0d1c042d-3e40-4062-b23a-7a68a3ce1593

Note:

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

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Creating a window

Unauthorized injection to a recently created process

Restart of the analyzed sample

Creating a file

Using the Windows Management Instrumentation requests

Сreating synchronization primitives

DNS request

Connection attempt

Sending a custom TCP request

Sending an HTTP GET request

Reading critical registry keys

Setting a keyboard event handler

Launching a process

Stealing user critical data

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

masquerade overlay packed

Link:

https://www.filescan.io/uploads/660c07e9391c61c479134bf7/reports/15f66985-3d4b-46a7-861d-d17a0fea797a/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/b7661d817db31a91f0d502ca0adc46267774d7ea33808dfc6f8938d1ecb1a466

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/32423683-0e0e-427e-aa1c-badc557dd9e6

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1418732

Signature

.NET source code contains potential unpacker

.NET source code contains very large array initializations

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)

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 steal Mail credentials (via file / registry access)

Yara detected AgentTesla

Yara detected AntiVM3

Yara detected Generic Downloader

Behaviour

Behavior Graph:

Download SVG

Score:

99%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/b7661d817db31a91f0d502ca0adc46267774d7ea33808dfc6f8938d1ecb1a466

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/b7661d817db31a91f0d502ca0adc46267774d7ea33808dfc6f8938d1ecb1a466/

Threat name:

ByteCode-MSIL.Trojan.Leonem

Status:

Malicious

First seen:

2024-04-02 01:20:23 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

21 of 24 (87.50%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=w5tb3al5wmnjd4gvalfavxcgez3xjv7kgoai37dpre4nd3frurta._file

Verdict:

malicious

Label(s):

agenttesla_v4

agenttesla

AgentTesla

d3fe532dd98ebd8732a11a78ae670a6ebfba1702c1a36c26aa9aa22a799d8f02

AgentTesla

e7692d992063cc29d26970d7b1721587b343687e12afc68683450650643ed103

AgentTesla

e9666b1c4832b4fae3effce740700f565e6336bcaf47852005c1e0553436e7b7

AgentTesla

+ 4'220 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla keylogger spyware stealer trojan

Link:

https://tria.ge/reports/240402-qqr32abf23/

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 user/profile data of local email clients

Reads user/profile data of web browsers

AgentTesla

Unpacked files

SH256 hash:

8ebd66eb93fb976111f908ed0b7f042df792042335ebf9f168dd04fa90093a3e

MD5 hash:

c5db8853b26c2bba24465a3f432d0e6c

SHA1 hash:

f709c5cbbf1b7905242c8df721e1b5b91d93ade8

Link:

https://www.unpac.me/results/e5000a94-5c15-448d-b3b2-a736d42808d8/

SH256 hash:

157d356d068958289b9b647e5d1ecc703e06ec76af165b60561d6606c8355c50

MD5 hash:

ca1f4c65bbd09baee824b5ec1602f05a

SHA1 hash:

92f21851ed6147e4883e1f6ab227a736d8478ef1

Link:

https://www.unpac.me/results/e5000a94-5c15-448d-b3b2-a736d42808d8/

SH256 hash:

14641f03051d346aa3a24be14851261baa2ee6b1cff524ddca433fcc71d9542d

MD5 hash:

6661bfd44985279631496543484323b1

SHA1 hash:

5b3452b4c01b676f5ab2d4586819bd687456a34e

Link:

https://www.unpac.me/results/e5000a94-5c15-448d-b3b2-a736d42808d8/

SH256 hash:

a660b133d1495588c9b92a76a2f3e5897757c0aef1fa24593ce828ea84735672

MD5 hash:

54d7932243585d0bcf3f3ad08b761925

SHA1 hash:

4e2c1fe79b83e51e02bf965565b18d2481cca344

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/e5000a94-5c15-448d-b3b2-a736d42808d8/

Parent samples :
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SH256 hash:

b7661d817db31a91f0d502ca0adc46267774d7ea33808dfc6f8938d1ecb1a466

MD5 hash:

d68d414e373080de951c095002ab6ebc

SHA1 hash:

e817fbd363fd11129944b1b780d25f09752895f9

Detections:

INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438

Link:

https://www.unpac.me/results/e5000a94-5c15-448d-b3b2-a736d42808d8/

Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/b7661d817db3/report/overview.html

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

Threat name:

Malicious File

Score:

0.71

Link:

https://yomi.yoroi.company/submissions/b7661d817db31a91f0d502ca0adc46267774d7ea33808dfc6f8938d1ecb1a466

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:	AgentTeslaV5 Create hunting rule
Author:	ClaudioWayne
Description:	AgentTeslaV5 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.

No further information available

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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