MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 da505ce244393d643b3e6aec90db41401a9685c56bec2e5eb0c5117b33e66eb1. 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: 11

Intelligence 11 IOCs YARA 7 File information Comments

SHA256 hash:	da505ce244393d643b3e6aec90db41401a9685c56bec2e5eb0c5117b33e66eb1
SHA3-384 hash:	e769340af4f7f45dd04b00b07a375164550a7e4a6f3c6cec585353f67e49584266594924f81d2aaf16dc797f45356e77
SHA1 hash:	7a8a26ffd68a2ccef318cd21a3449cdd006fd0f8
MD5 hash:	c2215f70e8c0a63cdb6fd5a18e58836e
humanhash:	bacon-sixteen-eight-beryllium
File name:	Invoice-.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	1'435'648 bytes
First seen:	2020-11-23 06:28:49 UTC
Last seen:	2020-11-23 14:29:23 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep	24576:L3LoBcZQ8xRb3cB2DyZ0bgjJ+v7ccbYr9KSf:L3LoO5AMO+DctMo
Threatray	10'284 similar samples on MalwareBazaar
TLSH	B26516BC365036DED4A7C7AA8AA47C64EE60387B431F9207941315E99A4CB97DF204F3
Reporter	cocaman
Tags:	AgentTesla exe

Intelligence

File Origin

# of uploads :

# of downloads :

150

Origin country :

n/a

Vendor Threat Intelligence

Gathering data

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a UDP request

Launching a process

Creating a file

Using the Windows Management Instrumentation requests

Unauthorized injection to a system process

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.

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/544935

Signature

.NET source code contains potential unpacker

Hides that the sample has been downloaded from the Internet (zone.identifier)

Initial sample is a PE file and has a suspicious name

Injects a PE file into a foreign processes

Machine Learning detection for sample

Multi AV Scanner detection for submitted file

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 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 steal Mail credentials (via file access)

Writes to foreign memory regions

Yara detected AgentTesla

Yara detected AntiVM_3

Behaviour

Behavior Graph:

Download SVG

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/da505ce244393d643b3e6aec90db41401a9685c56bec2e5eb0c5117b33e66eb1/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2020-11-20 22:27:07 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

25 of 29 (86.21%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=3jifzysehe6wioz6nlwjbw2bianjnbofnpwc4xvqyuixwm7gn2yq._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

0ca8c0c5ebf25e694725d965acf1d3db4a299c633fd895ea6f2dab80082d7337

AgentTesla

16dcfdc5058dc23b3bca6986d18dd6119ddb0d13b982dd5b7a83b957e3c5da7d

AgentTesla

2a694c3a8347816b2f85e036b1064e410ad1578185a0608416944199ef72b82c

AgentTesla

3333a191bc36b4a7a76e51c0b7b83c5d2b7d253f074789c2302ec598c30711b3

AgentTesla

4ba3daeca73f3cde751424f8ec9972e274e0ffe915ce7c58eac0bf4d278920b1

AgentTesla

532051adf5893bf586b56210af5c7f3c4e8f72cfecf8ef52687f34e1fea17ab3

AgentTesla

9405885336e177508e9e2790e23bb7e8f11a070e3c7262bf70f4da6beb598c75

AgentTesla

aa556dde1f62e5e897bf5db6980f8202febe626f2e9840190f1f2695eec3c065

AgentTesla

dc0cff9e3bc575333097988f46e46f1925cedf35329a749a642576601a45674c

AgentTesla

+ 10'274 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla keylogger persistence spyware stealer trojan

Link:

https://tria.ge/reports/201123-4bwwae33ae/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Adds Run key to start application

Reads user/profile data of local email clients

Reads user/profile data of web browsers

AgentTesla Payload

AgentTesla

Unpacked files

SH256 hash:

cb951f1d2b5460456aad0d89cef1216d9be5e51784d11a92447d43e96177bd5e

MD5 hash:

8cd5d2014866f4ef60802ff1826998a6

SHA1 hash:

8ff75946905d0b117080cc5a07e6e0bbea4e9bbd

Link:

https://www.unpac.me/results/ea194376-bc19-4b5a-aec1-eec1d51120e4/

SH256 hash:

ed59b3fc26de2b31e908f025c23d01eb8ed9834b2bdd740745e1dc0737e443b9

MD5 hash:

d67f7450a64932b410ed9cb2e02b52cc

SHA1 hash:

a4d7f12bd7f03b55b5c05ee1794e566b8521baaa

Detections:

win_agent_tesla_w1

Link:

https://www.unpac.me/results/ea194376-bc19-4b5a-aec1-eec1d51120e4/

Parent samples :

765622475f6dbfe564a2c84b050b1993aa0168fb2ca34d67e4c7fb641b302678
1dbc1c2ea41a79c3046b9f0796248ba48db207c93fb7c1521e81763671298144
6d73b61228e78c8e44db200696182dd1287981e0b433ad534fec23ae19eff146
532051adf5893bf586b56210af5c7f3c4e8f72cfecf8ef52687f34e1fea17ab3
da505ce244393d643b3e6aec90db41401a9685c56bec2e5eb0c5117b33e66eb1
57b7d138364e73bd3a7569d66edde728f9827be45f04d78b3213f7027083d985

SH256 hash:

1f28372f17966a8133c6e733326000cbefd4d1f8a74e40de4b119843d0e37d08

MD5 hash:

1c2c72e63a2bb6807e1bb14b767d2347

SHA1 hash:

c40e10615ba63914c731c8a095fe49a415af4bc1

Link:

https://www.unpac.me/results/ea194376-bc19-4b5a-aec1-eec1d51120e4/

SH256 hash:

da505ce244393d643b3e6aec90db41401a9685c56bec2e5eb0c5117b33e66eb1

MD5 hash:

c2215f70e8c0a63cdb6fd5a18e58836e

SHA1 hash:

7a8a26ffd68a2ccef318cd21a3449cdd006fd0f8

Link:

https://www.unpac.me/results/ea194376-bc19-4b5a-aec1-eec1d51120e4/

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

Threat name:

Hawkey

Score:

0.70

Link:

https://yomi.yoroi.company/submissions/da505ce244393d643b3e6aec90db41401a9685c56bec2e5eb0c5117b33e66eb1

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_extracted_bin Create hunting rule
Author:	James_inthe_box
Description:	AgentTesla extracted

Rule name:	AgentTesla_mod_tough_bin Create hunting rule
Author:	James_inthe_box
Reference:	https://app.any.run/tasks/3b5d409c-978b-4a95-a5f1-399f0216873d/

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

Rule name:	agent_tesla_2019 Create hunting rule
Author:	jeFF0Falltrades

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