MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 26f426fd4ff119e8830681f0692ff3b627f6c5a0d8905c2ca07b6b4298e07f95. 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:	26f426fd4ff119e8830681f0692ff3b627f6c5a0d8905c2ca07b6b4298e07f95
SHA3-384 hash:	b8bd37b3e145870b9b703af4f527ed13899d3e6a2ee81f54d1483781bf34ccc49660ad26dfc6c040bea1e9bf7f6cd585
SHA1 hash:	81828997adf72f09b853005e5088690a89b66e2c
MD5 hash:	6ad7e4bc5d99826179adc6ae6092bfd2
humanhash:	fish-winter-mirror-hydrogen
File name:	PO.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	840'704 bytes
First seen:	2020-07-18 10:10:32 UTC
Last seen:	2020-07-18 10:50:36 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	ca5bb96ed7e706e164c91553e840146d (2 x AgentTesla, 1 x MassLogger)
ssdeep	12288:8X85wHBJWZI2UA2yTBabyp8Eb/Ic24C7jdCc/t40Fc1DSKh+c:8Uw92UAPpWEbyNg0sSm+c
Threatray	11'769 similar samples on MalwareBazaar
TLSH	2B05B026F2E14C37C1B31A7D5C1B77F8A829BD112A2CA9476BE47C4C9F3E6503925287
Reporter	abuse_ch
Tags:	AgentTesla exe

abuse_ch

Malspam distributing AgentTesla:

HELO: meslo.com
Sending IP: 185.222.57.211
From: Quotation Department <jhebaichi@meslo.com>
Subject: Extraction System new order 200708 / Our offer ref: MP14724
Attachment: PO.PDF.Z (contains "PO.exe")

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

Intelligence

File Origin

# of uploads :

# of downloads :

101

Origin country :

n/a

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/27694/

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 custom TCP request

Connection attempt to an infection source

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/389669

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

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 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/26f426fd4ff119e8830681f0692ff3b627f6c5a0d8905c2ca07b6b4298e07f95/

Threat name:

Win32.Infostealer.Fareit

Status:

Malicious

First seen:

2020-07-18 09:56:50 UTC

AV detection:

26 of 29 (89.66%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=e32cn7kp6em6raygqhygsl7twyt7nrna3cifylfapnvufghap6kq._file

Verdict:

malicious

Label(s):

agenttesla

hawkeyekeylogger

AgentTesla

254c1b8ff86ebe8a88aacb3172ea4c05289dc129d3364189bcdfd097e5f5ef6f

AgentTesla

332ae5416e3faf70996c6d6de659c982bda9863a3ac47de03fcf22f6bb33cb0b

AgentTesla

3c6902ab74526dac496d24e6be3db45c54d4ccc2530725c353dee1495c34b7e8

AgentTesla

46e4f16115ed5c3689638efe671b3b8d9fa2deca92afcab330d31f99a5fb1850

AgentTesla

6b0f2c8d4a8c8883be658db9868b33db30eb73755e4688279c29599eb25c6099

AgentTesla

91aec1cffe5f0160137ab5d98b28a1c381465abbb7ad8c2c1c8dd6df05345e34

AgentTesla

9a99082664fba770485b23172f61bdd349863e9803d7a01170e1839026c6a0fb

AgentTesla

b82d04c79bfd870dd7024db85a5c3c60827776af6bfd6b73306ceebf72150ba4

AgentTesla

df7f92de3a57f9655e1ec74676f4f8aca5ca866a10889a4e88b8e668032f531a

AgentTesla

+ 11'759 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

upx spyware keylogger trojan stealer family:agenttesla

Link:

https://tria.ge/reports/200718-seh144nfjs/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: MapViewOfSection

Suspicious use of SetThreadContext

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Reads data files stored by FTP clients

UPX packed file

AgentTesla

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

Threat name:

Unknown

Score:

0.66

Link:

https://yomi.yoroi.company/submissions/26f426fd4ff119e8830681f0692ff3b627f6c5a0d8905c2ca07b6b4298e07f95

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