MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 089b9b9483a3aebe3eb6e319db81187fe9b17772a7187dceec30b348d07907ea. 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: 8

Intelligence 8 IOCs YARA 3 File information Comments

SHA256 hash:	089b9b9483a3aebe3eb6e319db81187fe9b17772a7187dceec30b348d07907ea
SHA3-384 hash:	4e184475b0b06d59363fd6602d77ddd81febdff4bb846029591fe8f7536ec4782079b943151a33011991bb0a22eb6282
SHA1 hash:	e30d920532be8faa1c506940d3abb88b344c12d0
MD5 hash:	88e82441f5971abd499070bd9ba9a079
humanhash:	paris-freddie-fruit-india
File name:	viporigin file.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	461'935 bytes
First seen:	2020-08-05 11:46:19 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	7c2c71dfce9a27650634dc8b1ca03bf0 (160 x Loki, 58 x Formbook, 55 x Adware.Generic)
ssdeep	12288:EanBBLoVof0imcfBjzsITy50t0oDQ/u2pel:3Lj0LOfsjSvDQPel
Threatray	649 similar samples on MalwareBazaar
TLSH	51A423357780BFDBC8291D7E48225B07EF6DB6586395230E0B201DC879E7A83A65D363
Reporter	abuse_ch
Tags:	AgentTesla exe

abuse_ch

Malspam distributing unidentified malware:

HELO: box.alaskerparkers.co.uk
Sending IP: 192.236.146.206
From: Linda Lim <sales@sew-oil.com>
Subject: Due payments 05.08.2020
Attachment: Doc5512020.img (contains "viporigin file.exe")

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

AgentTeslaV2

Link:

https://www.capesandbox.com/analysis/39482/

Detection(s):

PUA.Win.Downloader.Soft32downloader-6691270-0

PUA.Win.Adware.Browserio-6725861-0

SecuriteInfo.com.Artemis162931E90DCF.4593.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a file in the %temp% directory

Creating a file

Creating a file in the %AppData% subdirectories

Launching a process

Sending a UDP request

Creating a window

Transferring files using the Background Intelligent Transfer Service (BITS)

Enabling the 'hidden' option for recently created files

Using the Windows Management Instrumentation requests

Moving a file to the %AppData% subdirectory

Reading critical registry keys

Stealing user critical data

Unauthorized injection to a system process

Enabling autorun by creating a file

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

88 / 100

Link:

https://www.joesandbox.com/analysis/411041

Signature

Found evasive API chain (trying to detect sleep duration tampering with parallel thread)

Hijacks the control flow in another process

Installs a global keyboard hook

Machine Learning detection for sample

Maps a DLL or memory area into another process

Overwrites code with unconditional jumps - possibly settings hooks in foreign process

Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)

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 steal Mail credentials (via file access)

Yara detected AgentTesla

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/089b9b9483a3aebe3eb6e319db81187fe9b17772a7187dceec30b348d07907ea/

Threat name:

Win32.Trojan.CryptInject

Status:

Malicious

First seen:

2020-08-05 11:48:07 UTC

AV detection:

20 of 29 (68.97%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=bcnzxfeduoxl4pvw4mm5xaiyp7u3c53su4mh3txmgczurudza7va._file

Verdict:

malicious

AgentTesla

0f24e222f76b19a0f1995c70e3711ab2b1c7e3f41c5e915796e767fce361e2e3

AgentTesla

3c81bde8d413cadc04efa32c2754918d4a1a9c43a60181e7907cca8d31107826

AgentTesla

581ccb74a37077703bcc314447ce7dfeec42832bad81225f1be6c214ca9bf51d

AgentTesla

5c63c2887891a56e0465251c8112ce7a07fc70e782dbc2e80f45f670294d4285

AgentTesla

5e23eed104a5bd67c8ae3abe1f3554abac8500bf9f916992df36246b06f14419

AgentTesla

7ef7ff0660d406b237fd3253738d60a294c0273ca1436cf9ba87d5b2ea8d62d8

AgentTesla

9f06ce1718cfa4e73366f82c9488b7a4aad4ddede7d7b3b51d44667607a3961c

AgentTesla

c2f42cfcfafad77546d57cbfde6a6f4c1c75d684a81304d1ec901285b1873bd3

AgentTesla

cfd29866a9e618985b15c779e0ac0ad8e09a9e997774c0d2fe18f00f8110a24a

AgentTesla

+ 639 additional samples on MalwareBazaar

Result

Malware family:

n/a

Score:

1/10

Tags:

n/a

Link:

https://tria.ge/reports/200805-6tljpr1d7a/

Behaviour

NSIS installer

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

Threat name:

Trojan

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/089b9b9483a3aebe3eb6e319db81187fe9b17772a7187dceec30b348d07907ea

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:	Agenttesla_type2 Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect Agenttesla in memory
Reference:	internal research

Rule name:	CAP_HookExKeylogger Create hunting rule
Author:	Brian C. Bell -- @biebsmalwareguy
Reference:	https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar