MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 efd99aa11e8ac9de709a702a21db7fbfb82072c4b0a423cbe71bb6f248d4c1ea. 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 11 File information Comments

SHA256 hash:	efd99aa11e8ac9de709a702a21db7fbfb82072c4b0a423cbe71bb6f248d4c1ea
SHA3-384 hash:	947134eae73ab5e364445353289e82c9031782a0bc9df01c794af1c8e36c5b7f90f3a11f1e3a824fee4fe877b1a743a1
SHA1 hash:	5159232b0c789af86945992ad9e86bba452fd90e
MD5 hash:	054bfa3b3a6ad3e2904f01ded716c1ec
humanhash:	missouri-mike-spring-avocado
File name:	SecuriteInfo.com.BackDoor.SpyBotNET.75.13901.13013
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	904'704 bytes
First seen:	2024-08-23 19:43:04 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'743 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep	12288:tGFbly/UlQT0UKgVvXaRx+C6bbmNmzYKSfn8ih0/FwVfm9mllXts5Uda5c8JQ:GiT0+RXaR6IqYKQnNmQlRts5Ugc8JQ
Threatray	3'682 similar samples on MalwareBazaar
TLSH	T11E15AE5273AC9B5FC19F873BF42A090557F6F601736BEB4D3881AAAD5C933654E002A3
TrID	44.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 34.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19) 6.3% (.EXE) Win64 Executable (generic) (10523/12/4) 3.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 3.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika	pebin
Reporter	SecuriteInfoCom
Tags:	AgentTesla exe

Intelligence

File Origin

# of uploads :

# of downloads :

444

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

SecuriteInfo.com.BackDoor.SpyBotNET.75.13901.13013

Verdict:

Malicious activity

Analysis date:

2024-08-23 19:46:18 UTC

Tags:

stealer agenttesla ftp exfiltration evasion

Link:

https://app.any.run/tasks/a37b31b8-dd1d-495c-addc-4aac0724267e

Note:

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

Detection(s):

SecuriteInfo.com.BackDoor.SpyBotNET.75.13901.13013.UNOFFICIAL

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=66c8e687e7ff3f5a063bd0ce

Tags:

Discovery Generic Infostealer Network Stealth Malware

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Creating a window

Unauthorized injection to a recently created process

Restart of the analyzed sample

Using the Windows Management Instrumentation requests

Сreating synchronization primitives

DNS request

Connection attempt

Sending a custom TCP request

Reading critical registry keys

Stealing user critical data

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

dotnet lolbin packed

Link:

https://www.filescan.io/uploads/66c8e6853f7da47801678328/reports/9ad8e513-4c54-46f8-8e8b-96e8a2bc8a26/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/efd99aa11e8ac9de709a702a21db7fbfb82072c4b0a423cbe71bb6f248d4c1ea

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/97132294-6b1b-4b06-936e-4992787cee7d

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1498221

Signature

.NET source code contains potential unpacker

.NET source code references suspicious native API functions

AI detected suspicious sample

Contains functionality to log keystrokes (.Net Source)

Found malware configuration

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)

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

Tries to harvest and steal ftp login credentials

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

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

Yara detected AgentTesla

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/efd99aa11e8ac9de709a702a21db7fbfb82072c4b0a423cbe71bb6f248d4c1ea

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/efd99aa11e8ac9de709a702a21db7fbfb82072c4b0a423cbe71bb6f248d4c1ea/

Threat name:

Win32.Trojan.AgentTesla

Status:

Malicious

First seen:

2024-07-31 07:06:44 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

22 of 24 (91.67%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=57mzvii6rle544e2oavcdw37x64ca4wewcschs7hdo3pesguyhva._file

Verdict:

malicious

Label(s):

agenttesla_v4

agenttesla

AgentTesla

2dc71df189b524221912ee8aedf8dab43bea8080526c1260b2567a07455f0c46

AgentTesla

a19e8babf5efa761ff04475ae8db2e359e1d74f19ebb81cb59c57aa07ab9390e

AgentTesla

c270dab4061bd86028a27bedf92f321be6a48043bdcde018d29dee620cd88b5d

AgentTesla

e9f3e79bb7ebece6575eb47226086f6e0df7331bc6f79f8442608cd5d6a18b3e

AgentTesla

+ 3'672 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla credential_access discovery keylogger spyware stealer trojan

Link:

https://tria.ge/reports/240823-yfswksvelp/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

System Location Discovery: System Language Discovery

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

Credentials from Password Stores: Credentials from Web Browsers

AgentTesla

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/fd6ccd6c-0fe9-4167-a9f9-7f3703fe5531

Unpacked files

SH256 hash:

99f03fc9f90586e018ddcfb28df0d2d502837eba3f2176cc0588567de655b851

MD5 hash:

1e7ba1999996a5dbac5ea64ff7165582

SHA1 hash:

e5007db59385d6b86e92b6cf31542da052fd7958

Link:

https://www.unpac.me/results/873493e7-3771-49ec-805f-c6fc1cd5ca8c/

SH256 hash:

88a06b0fda4cf308846da8909b70583c3b1f936502cafb05d55857edf190aff4

MD5 hash:

28f94ac26f8d2bc6db9fa5312622848e

SHA1 hash:

28639ba01dc15c0ea91cb5b05eb1036c9763abec

Detections:

win_agent_tesla_g2

Agenttesla_type2

Link:

https://www.unpac.me/results/873493e7-3771-49ec-805f-c6fc1cd5ca8c/

Parent samples :

a64027ed276ec1a36826aa9279ebc463dc3b774c40374af3c69c61295c7bcc58
1d86806e568023c0174020a3c87ce7ee522f0882f59f7642780216e1afd9d025
efd99aa11e8ac9de709a702a21db7fbfb82072c4b0a423cbe71bb6f248d4c1ea
05d0b2865cb2b3ed3cbed435b38bf2436c04c1acad46351d70d011da2f96c3cc
ff57ef1e12163239e9d886e9871f9ab3c69050e5fa179a8b53e5e51271fec0c4
25bae5e5fd25d3c87bd68725722c483346869211397f22423d2f5443bc134c22
0dc8ced22931e20ec965bc36c06a974016fe223434d9553007b4a6c04973b2cb
ba43393525e6357d14466aeb389ecc4100c9e51972a8a9233b753c7b151b7ec5
46645d0ddcefc6124c0d9b4781a06e0ea81b574cf48307eecc330ea6cc699433
8554123f241750583436ca6cb53697110f4c243667ecaf56f8bf84638753e947
f2da88c88866585358047c6e08c8fd9c01178c3c8ec61345180d8335c68f3bb7
e6f50a0c2551c1d2593b8963bac95b0a3f4aad6d6b60d2a4e09d0c70dfd37649
ea182b46e91f32537a6220caf8c6afab856db2a1f54ff078d2505fce84886317
5b72ed928f8a9e98082f9d22d1966a0bfea8222c51041311a6ab5b1339c8f95c
5a4e470b3209d805f2c4f0707795907a5e5d2964d1ec35b9b42eb8e6d5dc9f82
fa990d3b037070b8dd038651325ffb8ddd8fa709a74fb174cf423131939457db
4949207a1e4bf8bf1235e0b3edcdaaaafbc51edcf7dcf2cc81fdb1cae40c29d6
fe433d5be5c7c2f41f10992dc6bfd9640b41456056ce1fc8346a144dfcef3e3c

SH256 hash:

efd99aa11e8ac9de709a702a21db7fbfb82072c4b0a423cbe71bb6f248d4c1ea

MD5 hash:

054bfa3b3a6ad3e2904f01ded716c1ec

SHA1 hash:

5159232b0c789af86945992ad9e86bba452fd90e

Detections:

SUSP_NET_Shellcode_Loader_Indicators_Jan24

Link:

https://www.unpac.me/results/873493e7-3771-49ec-805f-c6fc1cd5ca8c/

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/efd99aa11e8ac9de709a702a21db7fbfb82072c4b0a423cbe71bb6f248d4c1ea

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

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

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

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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