MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1b891a31aa508effd78b280b17b15c26272802119470fe5d80de04967a924e53. 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:	1b891a31aa508effd78b280b17b15c26272802119470fe5d80de04967a924e53
SHA3-384 hash:	bcd0d772762b3e090d3f011cee46a16e419d2366f50ace695ec2c98a17d8d8bea5c9f5ce1fdef09df1b1e6188721c618
SHA1 hash:	305dbcb8557b49f0fcfb4d8d80766cae77c3864c
MD5 hash:	38d9cee6419c05ff4623305a6242f538
humanhash:	delta-oklahoma-hawaii-echo
File name:	Shipping Documents.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	899'072 bytes
First seen:	2020-08-17 05:49:46 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	90971096b3f3ef49ea4900e0dc05049a (10 x FormBook, 9 x AgentTesla, 4 x Loki)
ssdeep	12288:hgftlTxIDJRRtYRNeuawx2+8zVQLlcqPTxUHYY3UmNUShIVcKnwg+oEThN3MB1LM:hg1JxIwP5YxaZ0dD6Sa/wlA1Lurd5
Threatray	11'128 similar samples on MalwareBazaar
TLSH	E915AE33B1D08736D132DD7C9D3B62A7A82ABD232B289B466BF43D484F756813535287
Reporter	abuse_ch
Tags:	AgentTesla exe

abuse_ch

Malspam distributing AgentTesla:

HELO: host.jlnasia.com
Sending IP: 45.137.20.117
From: Alan Li <alanli@haitai.cc>
Subject: Re: Shipping Documents – Packing List & Commercial Invoice
Attachment: Shipping Documents.gz (contains "Shipping Documents.exe")

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

AgentTeslaV2

Link:

https://www.capesandbox.com/analysis/46605/

Detection(s):

PUA.Win.Adware.Slugin-6803969-0

PUA.Win.Adware.Slugin-6840354-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Unauthorized injection to a recently created process

Sending a UDP request

Using the Windows Management Instrumentation requests

Reading critical registry keys

Stealing user critical data

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/432480

Signature

Contains functionality to detect sleep reduction / modifications

Detected unpacking (changes PE section rights)

Detected unpacking (overwrites its own PE header)

Found malware configuration

Initial sample is a PE file and has a suspicious name

Machine Learning detection for sample

Maps a DLL or memory area into another 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 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

Behaviour

Behavior Graph:

Download SVG

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/1b891a31aa508effd78b280b17b15c26272802119470fe5d80de04967a924e53/

Threat name:

Win32.Infostealer.Fareit

Status:

Malicious

First seen:

2020-08-16 20:15:51 UTC

AV detection:

26 of 29 (89.66%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=doerumnkkchp7v4lfafrpmk4eytsqaqrsryp4xma3ycjm6usjzjq._file

Verdict:

malicious

Label(s):

agenttesla

hawkeyekeylogger

AgentTesla

3e97661257ce0ef03a853b691e8a9f8af760c3237b72135a352570d1dfd5c959

AgentTesla

4db172a3add025bb44505c227dc6ed6fadd0ca3f47f41b46ae11b7865b481539

AgentTesla

611656c80c7c9b32e24f770d70ba8488cd2b4079b35f7308fd4261d06480ec3f

AgentTesla

64f8fa17e1c81734ad0dda8ad659c1360b9ae231890a4c9557ac771b99a01c78

AgentTesla

652c0bdfcb3143e7e53653a820dcf1a3528afb60a09ae7817ef20e6094d97596

AgentTesla

8e1f5e94e0e8ea6f82b75d5b21f3964b77df3810c65a875c1ddfcaef53c5e10f

AgentTesla

9f0c636096918ffd81f45e54f65d8992726cbfbef9a8d087476ab5360590d35d

AgentTesla

e192674e243cfae4c1e3e45e31084bb4bc3434a05342f6160caf2ce4b7c0ded1

AgentTesla

edea4daffcfebbb11f70cfa4fdcc38c85eeb8de82fe6be10e41efb520f7c7496

AgentTesla

+ 11'118 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

upx keylogger stealer spyware trojan family:agenttesla

Link:

https://tria.ge/reports/200817-bz489lf4da/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Reads data files stored by FTP clients

Reads user/profile data of local email clients

Reads user/profile data of web browsers

UPX packed file

AgentTesla Payload

AgentTesla

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

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/1b891a31aa508effd78b280b17b15c26272802119470fe5d80de04967a924e53

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