MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c7a4cb30492911fff0eb668a1b5d1bd4c97b968329a81e53ca164e4cc7f5d669. 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:	c7a4cb30492911fff0eb668a1b5d1bd4c97b968329a81e53ca164e4cc7f5d669
SHA3-384 hash:	5958d1f9fb1a7c1ace2bee08970f978e9bcc8125805a5eb37853e96ff66b9ae7c546c4beb8970497c451830c91b13ba4
SHA1 hash:	cd26e7970dc0ec08e7434a4e3a624c62e0afbb30
MD5 hash:	48f205d0d7543068b26881dc4ab5a0f3
humanhash:	black-low-johnny-georgia
File name:	Quote Inquiry #PO6672.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	454'656 bytes
First seen:	2020-08-08 17:59:42 UTC
Last seen:	2020-08-08 18:55:14 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	12288:CPIPT8NrKR8JtgUU4I7DnWSnxQY2GUXUEgrpiA:4IITyUU13WAxQY2D+QA
Threatray	10'762 similar samples on MalwareBazaar
TLSH	D7A412AD22AC8F71CEDF16F448AE319003346983A255E3656ECD74FB266638941C5FA3
Reporter	abuse_ch
Tags:	AgentTesla exe

abuse_ch

Malspam distributing AgentTesla:

HELO: 163.com
Sending IP: 95.211.208.25
From: Deng Chun Peng <dengchunpeng521@163.com>
Subject: Company Profile : Quotation Inquiry
Attachment: Quote Inquiry PO6672.pdf.gz (contains "Quote Inquiry #PO6672.exe")

AgentTesla SMTP exfil server:
smtp.yandex.com:587

Intelligence

File Origin

# of uploads :

# of downloads :

114

Origin country :

n/a

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/42216/

Detection(s):

SecuriteInfo.com.Fareit-FXH48F205D0D754.7870.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a UDP request

Creating a file in the %AppData% directory

Creating a file in the %temp% directory

Launching a process

Creating a process with a hidden window

Deleting a recently created file

Unauthorized injection to a recently created process

Creating a file

Using the Windows Management Instrumentation requests

Enabling autorun by creating a file

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/415900

Signature

Found malware configuration

Injects a PE file into a foreign processes

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)

Sigma detected: Scheduled temp file as task from temp location

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 harvest and steal ftp login credentials

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

Tries to steal Mail credentials (via file access)

Uses schtasks.exe or at.exe to add and modify task schedules

Yara detected AgentTesla

Yara detected AntiVM_3

Behaviour

Behavior Graph:

Download SVG

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/c7a4cb30492911fff0eb668a1b5d1bd4c97b968329a81e53ca164e4cc7f5d669/

Threat name:

ByteCode-MSIL.Trojan.Kryptik

Status:

Malicious

First seen:

2020-08-08 18:02:21 UTC

AV detection:

24 of 29 (82.76%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=y6smwmcjfei774hlm2fbwxi32texxfudfgub4u6kczhezr7v2zuq._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

15a8bd5b4fa088cd06bacf4dd11ec0616f83a97a139c9ef5d9d9be3d08e0e06a

AgentTesla

3d9346916b045c5d6641614a9657dcab88a2e667c7ad764fc281d4bf80a7746e

AgentTesla

4fa84ddee70c59516a5727fa29bf70e548550592998cfc07b9b2b80325756b35

AgentTesla

673aa6ede02270b33f4a7058ec4e31eabd688ca4c75037ed4a7f92470a42a271

AgentTesla

67f95900e94aed84cb50b3597df4b89270faa3b23ff0c9c6eb2398eb69c096bb

AgentTesla

8f93c794e02fbd006a5a7d2f929042819d7d5666ccb976ff248eef4dc6d2591e

AgentTesla

a3ceedffc1e4f81695df3b06af7a12059d534af798313e27d010dd2116e1a2fa

AgentTesla

c69797064cbb8d3681f5a780a37b13707b4a9e5c02cce806de89956c85688e6b

AgentTesla

e5bb7fe62b3588cea451847f7be43579b3af9f3fd5223c028493ff0700c36aaa

AgentTesla

+ 10'752 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

keylogger stealer spyware trojan family:agenttesla

Link:

https://tria.ge/reports/200808-jv6qa1a31j/

Behaviour

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetThreadContext

Reads user/profile data of web browsers

Reads data files stored by FTP clients

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.

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