MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 53af62936f7cb4fcbcb2775be40606aed87def8af75821520ebd857dc91370c1. 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: 9

Intelligence 9 IOCs YARA 3 File information Comments

SHA256 hash:	53af62936f7cb4fcbcb2775be40606aed87def8af75821520ebd857dc91370c1
SHA3-384 hash:	8c15b3186ad52af7b3ccb1c7cc95d6ad1b94e17a0cb6f7b6d0295aef36d125bfe683a45dca6a4344cb4eb26d9e7d6736
SHA1 hash:	0113e3a212bfeeb5f905279f5b131dc880a4ab76
MD5 hash:	90bd06de49d3e571ea2c4edd225738c3
humanhash:	green-item-burger-cardinal
File name:	Payment Transfer Slip.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	723'456 bytes
First seen:	2020-08-03 17:43:37 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'451 x Formbook, 12'201 x SnakeKeylogger)
ssdeep	12288:74xkwOczHEfhbCJGIYZRUnHpAlFpI0wyIlfHpL+JHRC5oNYdpzwWuuo2Np0WFz:mxO2LZjH0FpI0wPlfFSRLirwOo
Threatray	1'157 similar samples on MalwareBazaar
TLSH	D1F4CE2C3BD0951AF99A1FBE5C3601039D75F80B992BE38F25F6526C047A79CAC41F26
Reporter	abuse_ch
Tags:	AgentTesla exe

abuse_ch

Malspam distributing AgentTesla:

HELO: oscr.org.uk
Sending IP: 209.58.149.66
From: Info <info@oscr.org.uk>
Subject: Payment Transfer slip
Attachment: Payment Transfer Slip.zip (contains "Payment Transfer Slip.exe")

AgentTesla SMTP exfil server:
webmail.active.by:587

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/38041/

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a UDP request

Unauthorized injection to a recently created process

Creating a file

Using the Windows Management Instrumentation requests

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/408333

Signature

Found malware configuration

Initial sample is a PE file and has a suspicious name

Injects a PE file into a foreign processes

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)

Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)

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)

Yara detected AgentTesla

Yara detected AntiVM_3

Behaviour

Behavior Graph:

Download SVG

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/53af62936f7cb4fcbcb2775be40606aed87def8af75821520ebd857dc91370c1/

Threat name:

ByteCode-MSIL.Trojan.Kryptik

Status:

Malicious

First seen:

2020-08-03 13:12:41 UTC

AV detection:

22 of 29 (75.86%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=koxwfe3pps2pzpfso5n6ibqgv3mh334k65mccuqoxwcx3sitodaq._file

Verdict:

malicious

AgentTesla

397430a16d115d42056de1dca482e0fd9290ce8cbe6c45a614cac0fc85983a72

AgentTesla

453e22919069356ebcdd0761b215364026ac41bbb167a590295bb50dbb30be93

AgentTesla

4f965aee8b694528d2d11d5a80eeee466959650ffcd12b5f0fc28d3a11709e27

AgentTesla

5312fab3ad83a00863c90baec3bbe7f1265cc6d94398b364f2cd7c11369af074

AgentTesla

6f2ed9ee33724651d7fb52edc4dbb3bfde3c19ca12cf5e990952d392305d1c20

AgentTesla

ab13f3cf7de54784a1fe4cb2957e019ce6c9564c63eb11f42b4ee80762e51179

AgentTesla

d1d753678c6c2a9e8957c508adc44ccd35c79592a826e973528ec146f33d558c

AgentTesla

d83429370b6d814b6ff67dd1736424db4e11e39ee745867f09c98f49fae4e1fc

AgentTesla

e5c5c9d753512a626d7bc4e6a14191b3db75290da5046b7d4d5fd4acc2ed3460

AgentTesla

+ 1'147 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

keylogger stealer spyware trojan family:agenttesla

Link:

https://tria.ge/reports/200803-kw8bql2yle/

Behaviour

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetThreadContext

Reads user/profile data of local email clients

Reads data files stored by FTP clients

Reads user/profile data of web browsers

AgentTesla Payload

AgentTesla

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/53af62936f7cb4fcbcb2775be40606aed87def8af75821520ebd857dc91370c1

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