MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b74bcc77983d587207c127129cfda146644f6a4078e9306f47ab665a86f4ad13. 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: 10

Intelligence 10 IOCs YARA 3 File information Comments

SHA256 hash:	b74bcc77983d587207c127129cfda146644f6a4078e9306f47ab665a86f4ad13
SHA3-384 hash:	d4b08dda4a5bd6276b79cfb5b68c6ec069012025c3216a4ff5ef8a79cffbf28beb86e0518822873e1440e8bb842bc053
SHA1 hash:	83be2722b7adc91bc3ee219b75e9176bc7ce8e6e
MD5 hash:	24f78b2ab142b78db6ce491790291675
humanhash:	six-lake-south-burger
File name:	order.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	495'616 bytes
First seen:	2020-08-06 06:02:18 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	12288:RVf/5idSjgX5GgO0xKxIGMZGTKP2oDmkx+p+8xaRErUqTJ:7n5Hjg3O04vMATKOzkgp+82ETJ
Threatray	10'935 similar samples on MalwareBazaar
TLSH	A3B4024BF684521DCE7E46B0D8D3909CC2B36C3A9A41AF4BF4D8735E0A7D2C1691689F
Reporter	abuse_ch
Tags:	AgentTesla exe

abuse_ch

Malspam distributing AgentTesla:

HELO: rim-tele.com
Sending IP: 188.128.84.2
From: sula <suman.das@pernod-ricard.com>
Subject: RE: ORDER CONFIRMATION/ PAYMENT DETAILS
Attachment: order.r00 (contains "order.exe")

AgentTesla SMTP exfil server:
us2.smtp.mailhostbox.com:587

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

AgentTeslaV2

Link:

https://www.capesandbox.com/analysis/40106/

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a file in the %temp% directory

Unauthorized injection to a recently created process

Creating a window

Running batch commands

Creating a process with a hidden window

Launching a process

Creating a file

Sending a UDP request

Using the Windows Management Instrumentation requests

Reading critical registry keys

Stealing user critical data

Enabling autorun

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

88 / 100

Link:

https://www.joesandbox.com/analysis/412193

Signature

.NET source code contains potential unpacker

Creates an undocumented autostart registry key

Initial sample is a PE file and has a suspicious name

Injects a PE file into a foreign processes

Machine Learning detection for dropped file

Machine Learning detection for sample

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:

agenttesla

Link:

https://mwdb.cert.pl/sample/b74bcc77983d587207c127129cfda146644f6a4078e9306f47ab665a86f4ad13/

Threat name:

ByteCode-MSIL.Trojan.Kryptik

Status:

Malicious

First seen:

2020-08-06 06:04:06 UTC

AV detection:

24 of 29 (82.76%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=w5f4y54yhvmheb6be4jjz7nbizse62sapduta32hvntfvbxuvujq._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

20e0fb805bd4501e8361c68b8a2ab67fced87ebfd25c9012e42d38aa83a4bd2e

AgentTesla

3080bf75b34e9b440154d8f35f7e8c5bd111995869118a093f81b56583f7c03b

AgentTesla

442da6cd292d000d3fef72ddafe270e3be432ecfc4852933efa12ab4c24748f7

AgentTesla

66693c1ffcf35d165de90c9303977debf0cc419e94da378b8543517c4a86eb39

AgentTesla

886c0dcdd1fdc86e73466c23f98111ae03e224e721aef7cdd0626b5c0b6a46e8

AgentTesla

9702aba300965380b0405e10f4e7a4cee358e450c9a55530d90ccc1553489c91

AgentTesla

ba25cf07d5be441cff960d5c7651c94ca5845d1aefd8703c7adbf88af4d949f6

AgentTesla

c37040b100e234734d7e3c86f6de4eeafb4b07096c57cb37d2717aa37a64f330

AgentTesla

f691dc0c83967d9714df9af23381b7856a577db3350c71914ea7942b68d2867e

AgentTesla

+ 10'925 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

keylogger stealer trojan spyware family:agenttesla

Link:

https://tria.ge/reports/200806-a8tq8r4tz6/

Behaviour

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

NTFS ADS

Suspicious use of SetThreadContext

Loads dropped DLL

Reads user/profile data of web browsers

Reads user/profile data of local email clients

AgentTesla Payload

AgentTesla

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

Threat name:

Kryptik

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/b74bcc77983d587207c127129cfda146644f6a4078e9306f47ab665a86f4ad13

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