MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bebb26a32c9db65ecd6e60f671873d09d5bc0e2321d3bac4651ec8c40c704058. 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 16 File information Comments

SHA256 hash:	bebb26a32c9db65ecd6e60f671873d09d5bc0e2321d3bac4651ec8c40c704058
SHA3-384 hash:	d38bdfca0097289368bf34e3034e52ef3ac55b19e5e6482927f3f0248d14491b10b42c9fc02d0c72aac487a0afe9782d
SHA1 hash:	2c817150fd4731e54d69876babbd72ce2acea8b0
MD5 hash:	9efa7303abaff6254a75606d751fa123
humanhash:	tango-winter-six-beer
File name:	SecuriteInfo.com.Trojan.DownLoader45.1747.11099.17830
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	738'304 bytes
First seen:	2024-03-06 04:26:52 UTC
Last seen:	2024-03-06 04:26:53 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep	12288:Bc9/jvXf6CTgD8uxP0wxeqKzhiQE8KxBARDHR9WP63hIARbB:4/jfy+Y0cCiQXKxBUHzk6zb
Threatray	462 similar samples on MalwareBazaar
TLSH	T113F402692AF91A1FDABE1AF9C025514187B4C2717582F3DD8EC022FF49923DE4B8351B
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) (4504/4/1) 2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):
dhash icon	0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter	SecuriteInfoCom
Tags:	AgentTesla exe

Intelligence

File Origin

# of uploads :

# of downloads :

338

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

bebb26a32c9db65ecd6e60f671873d09d5bc0e2321d3bac4651ec8c40c704058.exe

Verdict:

Malicious activity

Analysis date:

2024-03-06 04:31:36 UTC

Tags:

evasion stealer agenttesla

Link:

https://app.any.run/tasks/188cfbdc-7fae-4cfa-8114-2ecdf96a56e5

Note:

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

Detection(s):

Porcupine.Malware.58887.UNOFFICIAL

SecuriteInfo.com.Trojan.DownLoader45.1747.11099.17830.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

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

Sending a custom TCP request

Stealing user critical data

Adding an exclusion to Microsoft Defender

Enabling autorun by creating a file

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

packed

Link:

https://www.filescan.io/uploads/65e7f096b4fd15550486f795/reports/9eb52739-c907-488d-8367-52b787ca41e4/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/bebb26a32c9db65ecd6e60f671873d09d5bc0e2321d3bac4651ec8c40c704058

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/8af84195-56ba-4e87-b8c9-639ec221178b

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1403821

Signature

.NET source code contains potential unpacker

.NET source code contains very large array initializations

Adds a directory exclusion to Windows Defender

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

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

Machine Learning detection for dropped file

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for dropped file

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)

Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet

Sigma detected: Scheduled temp file as task from temp location

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)

Uses schtasks.exe or at.exe to add and modify task schedules

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/bebb26a32c9db65ecd6e60f671873d09d5bc0e2321d3bac4651ec8c40c704058

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/bebb26a32c9db65ecd6e60f671873d09d5bc0e2321d3bac4651ec8c40c704058/

Threat name:

Win32.Spyware.Negasteal

Status:

Malicious

First seen:

2024-03-06 02:42:07 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

20 of 24 (83.33%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=x25snizmtw3f5tlomd3hdbz5bhk3ydrdehj3vrdfd3emiddqibma._file

Verdict:

malicious

Label(s):

agenttesla_v4

agenttesla

AgentTesla

36870ed67d32b8398243d77c47975603750cc92e9821db555b8e2b2df4d3d3b6

AgentTesla

faf3f62dfe8cb253f9353473181163afce4bf199222d3731621c7972e87da49d

AgentTesla

+ 452 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla keylogger spyware stealer trojan

Link:

https://tria.ge/reports/240306-e234wsba4s/

Behaviour

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Suspicious use of SetThreadContext

Looks up external IP address via web service

Checks computer location settings

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:

8d60da5a4e9e2a69df4c8c16bc5ae984e1018093ab2bd8fa6e3c410ced6d955b

MD5 hash:

046651735e9c8bc63d044aea4f6adce0

SHA1 hash:

daf2d0cee2843366299b6c26a4191cea22e78b3c

Link:

https://www.unpac.me/results/e1674a8a-a818-460f-a504-04cc6a033b09/

SH256 hash:

b71208861384226004766dd5592edbb76a9604f93e5dc8d75a2424e767bea1ac

MD5 hash:

22e99efa3d44c1ec354e377b8e27faee

SHA1 hash:

9287e5db8d85112a1986f8e9928bcddfffd01b0c

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/e1674a8a-a818-460f-a504-04cc6a033b09/

Parent samples :

bebb26a32c9db65ecd6e60f671873d09d5bc0e2321d3bac4651ec8c40c704058
2b9f20a668208149cc54154a7da1238620e1242310f4000a1198b14c0466b2b8
81ea5e0ffd1905e775255d57d6a3661516506c1433132292958da3b0916bbf4b
68864134a67842ac2f863dfd92ec6ad6567571a436663b0bceda9e2ef0222de2
569f0d5aa49829d1b73b49dd9dab911ba5bb9e5697b62e1ef9fc0c1825ffbba6
fb7cddcabe7defcc11937a7c8d0672a6f65c3135574e1c71a0e772e9d1f19311
e97625746360793777ab1d7dc32d4259332c7f3c81a441eb7850234aabfdf23d

SH256 hash:

6f4b9053ad1b2055b956f16b37f41654836f103add0c988e87dfe9b1b38bbdd8

MD5 hash:

eb7bb66bdbdb419b20e66ceef2e7e3a6

SHA1 hash:

849156f7c6d97ec1bd45fbc3c768c54f92894271

Link:

https://www.unpac.me/results/e1674a8a-a818-460f-a504-04cc6a033b09/

SH256 hash:

e1ffdd8574016fb6c21478b1fc07ab32a0f373da1b162cadbdb936336f50b67f

MD5 hash:

267c7aa5641920ba25f64679c5733d54

SHA1 hash:

709d094bd0736e644633fbac828ae77f42a56223

Link:

https://www.unpac.me/results/e1674a8a-a818-460f-a504-04cc6a033b09/

SH256 hash:

bebb26a32c9db65ecd6e60f671873d09d5bc0e2321d3bac4651ec8c40c704058

MD5 hash:

9efa7303abaff6254a75606d751fa123

SHA1 hash:

2c817150fd4731e54d69876babbd72ce2acea8b0

Link:

https://www.unpac.me/results/e1674a8a-a818-460f-a504-04cc6a033b09/

Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/bebb26a32c9d/report/overview.html

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

Threat name:

Malicious File

Score:

0.87

Link:

https://yomi.yoroi.company/submissions/bebb26a32c9db65ecd6e60f671873d09d5bc0e2321d3bac4651ec8c40c704058

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_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_imphash Create hunting rule

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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