MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4808e6181c33178c778467beec7f8ce933b0ba767c4a78821e95776a0655e6c. 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 2 File information Comments

SHA256 hash:	b4808e6181c33178c778467beec7f8ce933b0ba767c4a78821e95776a0655e6c
SHA3-384 hash:	9f1597d78096630fc237b115836db31dae9d1ce49d05b370c27948c6774a7f0291839eb5946263d285c60377464dc8b0
SHA1 hash:	b37b2a4cb4d5dd8afeeccbc8b0bb942c5a846459
MD5 hash:	d209e119558946fb5dcd1c0aa3180500
humanhash:	spaghetti-nitrogen-mexico-california
File name:	RFQ.PDF.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	659'968 bytes
First seen:	2023-06-26 08:59:41 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep	12288:x5dPG2fH9MUacAvU+FSBY+1UIgMKnR43qX2lg/5:3HZAsvH6I3KnR2Ekq
Threatray	4'090 similar samples on MalwareBazaar
TLSH	T1DDE4263838BC6227D174D7E78FE7F423B278986B3021EA2568D257D50686F1225C763E
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) (4505/5/1) 2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter	lowmal3
Tags:	AgentTesla exe

Intelligence

File Origin

# of uploads :

# of downloads :

288

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

RFQ.PDF.exe

Verdict:

Malicious activity

Analysis date:

2023-06-26 09:00:39 UTC

Tags:

agenttesla rat

Link:

https://app.any.run/tasks/94274002-b9df-4786-b16a-ed8a9ae9ba44

Note:

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

Detection:

AgentTesla

Link:

https://www.capesandbox.com/analysis/402832/

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

DNS request

Sending a custom TCP request

Unauthorized injection to a recently created process

Creating a file

Using the Windows Management Instrumentation requests

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

masquerade packed

Link:

https://www.filescan.io/uploads/6499539376927ec2c007999a/reports/704938cf-4a0b-4ac6-bc80-65325fd0a00a/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/b4808e6181c33178c778467beec7f8ce933b0ba767c4a78821e95776a0655e6c

Result

Verdict:

UNKNOWN

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/bbf6e99f-f369-4720-bd4b-907eaa963a71

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1261351

Signature

.NET source code contains potential unpacker

.NET source code contains very large strings

Found malware configuration

Initial sample is a PE file and has a suspicious name

Installs a global keyboard hook

Machine Learning detection for sample

May check the online IP address of the machine

Multi AV Scanner detection for submitted file

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

Sample uses string decryption to hide its real strings

Snort IDS alert for network traffic

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 an obfuscated file name to hide its real file extension (double extension)

Yara detected AgentTesla

Behaviour

Behavior Graph:

Download SVG

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/b4808e6181c33178c778467beec7f8ce933b0ba767c4a78821e95776a0655e6c/

Threat name:

Win32.Spyware.Negasteal

Status:

Malicious

First seen:

2023-06-26 08:14:09 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

19 of 24 (79.17%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=wsai4ymbymyxrr3yiz565r7yz2jtwc5hm7ckpcbb5flxnidflzwa._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

128b4d5b46b29d5a788f28a9059f7ad139afea6a686eed22acbf05e33ecab3f9

AgentTesla

158d9c5a8c7290c638708e4843cb732e395c1ef4d782e1425220cb54467f27dd

AgentTesla

216e8743347dc86b61953a60917a48669dd6d039fdcbff99ea2893959f311a23

AgentTesla

265239e9f3afc31425ff40cae955be249c0f2251437ed837a1c4567069fabce8

AgentTesla

31cc68f5423b08e95d1099c3e5f1ee1883a3b118c3cd2f51b8175d501505e92f

AgentTesla

84c7973871a6a639c40534f9e3fd7135bd35cd1b0eee937cc849af90c903c4c2

AgentTesla

8f4a4002934b09591e8b6f95a9ec20ff0ae4ddc48dd869bd76fc9d9f9c59f72e

AgentTesla

c8bfd9368340e6e057d18ac8d45eb758bff6fadc9550711d5e25e9f183cecee4

AgentTesla

ddde47cccacd1004e6fea80b5f6914f9b6e4601c7d0a09bd0334a4533a04c847

AgentTesla

+ 4'080 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla collection keylogger spyware stealer trojan

Link:

https://tria.ge/reports/230626-kyawtshb67/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

outlook_office_path

outlook_win_path

Suspicious use of SetThreadContext

Accesses Microsoft Outlook profiles

Looks up external IP address via web service

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:

8022eb6a31ff09510ea4bc66e3a92f6f5ef5cd23412d10e12207e93ec38c3672

MD5 hash:

14ee8b8b7e47469317d1012f0898b111

SHA1 hash:

c6da4e2f1ab8c277129026648cbf97d8d6126245

Link:

https://www.unpac.me/results/f0f71971-3de1-48d7-9bb2-fada93eedd42/

SH256 hash:

9d6c73e273a966a4ed1d93350392d965792ddf5ad201bfa28b8adcec2e344db5

MD5 hash:

adac60763fcfe4d5f4ad323046e79500

SHA1 hash:

9ced772a90ddec9fffde8c745225ad289f3f087e

Link:

https://www.unpac.me/results/f0f71971-3de1-48d7-9bb2-fada93eedd42/

SH256 hash:

a2ae3b92f5f11890c55fc62e2245c157eb4926c2f00a2b18b7437a32540ad3f5

MD5 hash:

f0dacf77d6667be77cdc70a922739df5

SHA1 hash:

3dd1199a334a95cff6f929adc0dc9fa2379725f6

Detections:

AgentTeslaXorStringsNet

Link:

https://www.unpac.me/results/f0f71971-3de1-48d7-9bb2-fada93eedd42/

Parent samples :

ddde47cccacd1004e6fea80b5f6914f9b6e4601c7d0a09bd0334a4533a04c847
216e8743347dc86b61953a60917a48669dd6d039fdcbff99ea2893959f311a23
b4808e6181c33178c778467beec7f8ce933b0ba767c4a78821e95776a0655e6c

SH256 hash:

495537b71cf09499190de5f7b0f08b79b92cbdc32b31058f6ba320fd0acadc46

MD5 hash:

f98539fd144517774456cc6e8803fd72

SHA1 hash:

1a2711c83cd297a7e18b51bcede2e65d29e574f5

Link:

https://www.unpac.me/results/f0f71971-3de1-48d7-9bb2-fada93eedd42/

SH256 hash:

8022eb6a31ff09510ea4bc66e3a92f6f5ef5cd23412d10e12207e93ec38c3672

MD5 hash:

14ee8b8b7e47469317d1012f0898b111

SHA1 hash:

c6da4e2f1ab8c277129026648cbf97d8d6126245

Link:

https://www.unpac.me/results/f0f71971-3de1-48d7-9bb2-fada93eedd42/

SH256 hash:

9d6c73e273a966a4ed1d93350392d965792ddf5ad201bfa28b8adcec2e344db5

MD5 hash:

adac60763fcfe4d5f4ad323046e79500

SHA1 hash:

9ced772a90ddec9fffde8c745225ad289f3f087e

Link:

https://www.unpac.me/results/f0f71971-3de1-48d7-9bb2-fada93eedd42/

SH256 hash:

a2ae3b92f5f11890c55fc62e2245c157eb4926c2f00a2b18b7437a32540ad3f5

MD5 hash:

f0dacf77d6667be77cdc70a922739df5

SHA1 hash:

3dd1199a334a95cff6f929adc0dc9fa2379725f6

Detections:

AgentTeslaXorStringsNet

Link:

https://www.unpac.me/results/f0f71971-3de1-48d7-9bb2-fada93eedd42/

Parent samples :

ddde47cccacd1004e6fea80b5f6914f9b6e4601c7d0a09bd0334a4533a04c847
216e8743347dc86b61953a60917a48669dd6d039fdcbff99ea2893959f311a23
b4808e6181c33178c778467beec7f8ce933b0ba767c4a78821e95776a0655e6c

SH256 hash:

495537b71cf09499190de5f7b0f08b79b92cbdc32b31058f6ba320fd0acadc46

MD5 hash:

f98539fd144517774456cc6e8803fd72

SHA1 hash:

1a2711c83cd297a7e18b51bcede2e65d29e574f5

Link:

https://www.unpac.me/results/f0f71971-3de1-48d7-9bb2-fada93eedd42/

SH256 hash:

8022eb6a31ff09510ea4bc66e3a92f6f5ef5cd23412d10e12207e93ec38c3672

MD5 hash:

14ee8b8b7e47469317d1012f0898b111

SHA1 hash:

c6da4e2f1ab8c277129026648cbf97d8d6126245

Link:

https://www.unpac.me/results/f0f71971-3de1-48d7-9bb2-fada93eedd42/

SH256 hash:

9d6c73e273a966a4ed1d93350392d965792ddf5ad201bfa28b8adcec2e344db5

MD5 hash:

adac60763fcfe4d5f4ad323046e79500

SHA1 hash:

9ced772a90ddec9fffde8c745225ad289f3f087e

Link:

https://www.unpac.me/results/f0f71971-3de1-48d7-9bb2-fada93eedd42/

SH256 hash:

a2ae3b92f5f11890c55fc62e2245c157eb4926c2f00a2b18b7437a32540ad3f5

MD5 hash:

f0dacf77d6667be77cdc70a922739df5

SHA1 hash:

3dd1199a334a95cff6f929adc0dc9fa2379725f6

Detections:

AgentTeslaXorStringsNet

Link:

https://www.unpac.me/results/f0f71971-3de1-48d7-9bb2-fada93eedd42/

Parent samples :

ddde47cccacd1004e6fea80b5f6914f9b6e4601c7d0a09bd0334a4533a04c847
216e8743347dc86b61953a60917a48669dd6d039fdcbff99ea2893959f311a23
b4808e6181c33178c778467beec7f8ce933b0ba767c4a78821e95776a0655e6c

SH256 hash:

495537b71cf09499190de5f7b0f08b79b92cbdc32b31058f6ba320fd0acadc46

MD5 hash:

f98539fd144517774456cc6e8803fd72

SHA1 hash:

1a2711c83cd297a7e18b51bcede2e65d29e574f5

Link:

https://www.unpac.me/results/f0f71971-3de1-48d7-9bb2-fada93eedd42/

SH256 hash:

8022eb6a31ff09510ea4bc66e3a92f6f5ef5cd23412d10e12207e93ec38c3672

MD5 hash:

14ee8b8b7e47469317d1012f0898b111

SHA1 hash:

c6da4e2f1ab8c277129026648cbf97d8d6126245

Link:

https://www.unpac.me/results/f0f71971-3de1-48d7-9bb2-fada93eedd42/

SH256 hash:

9d6c73e273a966a4ed1d93350392d965792ddf5ad201bfa28b8adcec2e344db5

MD5 hash:

adac60763fcfe4d5f4ad323046e79500

SHA1 hash:

9ced772a90ddec9fffde8c745225ad289f3f087e

Link:

https://www.unpac.me/results/f0f71971-3de1-48d7-9bb2-fada93eedd42/

SH256 hash:

a2ae3b92f5f11890c55fc62e2245c157eb4926c2f00a2b18b7437a32540ad3f5

MD5 hash:

f0dacf77d6667be77cdc70a922739df5

SHA1 hash:

3dd1199a334a95cff6f929adc0dc9fa2379725f6

Detections:

AgentTeslaXorStringsNet

Link:

https://www.unpac.me/results/f0f71971-3de1-48d7-9bb2-fada93eedd42/

Parent samples :

ddde47cccacd1004e6fea80b5f6914f9b6e4601c7d0a09bd0334a4533a04c847
216e8743347dc86b61953a60917a48669dd6d039fdcbff99ea2893959f311a23
b4808e6181c33178c778467beec7f8ce933b0ba767c4a78821e95776a0655e6c

SH256 hash:

495537b71cf09499190de5f7b0f08b79b92cbdc32b31058f6ba320fd0acadc46

MD5 hash:

f98539fd144517774456cc6e8803fd72

SHA1 hash:

1a2711c83cd297a7e18b51bcede2e65d29e574f5

Link:

https://www.unpac.me/results/f0f71971-3de1-48d7-9bb2-fada93eedd42/

SH256 hash:

b4808e6181c33178c778467beec7f8ce933b0ba767c4a78821e95776a0655e6c

MD5 hash:

d209e119558946fb5dcd1c0aa3180500

SHA1 hash:

b37b2a4cb4d5dd8afeeccbc8b0bb942c5a846459

Link:

https://www.unpac.me/results/f0f71971-3de1-48d7-9bb2-fada93eedd42/

Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/b4808e6181c3/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/b4808e6181c33178c778467beec7f8ce933b0ba767c4a78821e95776a0655e6c

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:	pe_imphash Create hunting rule

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

File information

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

Malspam

AgentTesla

exe b4808e6181c33178c778467beec7f8ce933b0ba767c4a78821e95776a0655e6c

(this sample)

Delivery method

Distributed via e-mail attachment

Cape

https://www.capesandbox.com/analysis/402832/

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