MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a1d2c856822cf2e66b6fd68d4e07f090839c4989099531585af171665ae25067. 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:	a1d2c856822cf2e66b6fd68d4e07f090839c4989099531585af171665ae25067
SHA3-384 hash:	8dfb22ea43865ab86b29f0d8ff9b0a78abd04fcaf3b795bf8c8be5c4cd6e7f75863657cd690c6214a744e8a52f16d717
SHA1 hash:	f9d25c82c873941ca736c6669479527ad1d94dc9
MD5 hash:	b0ab62aed4db04790006f56c2d5f255c
humanhash:	grey-lamp-colorado-diet
File name:	URGENT PURCHASE ORDER FOR IMM SHIPMENT - EXWORKS - 10FCL SCAN DOCUMENT 0000110023.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	806'912 bytes
First seen:	2020-07-30 06:18:12 UTC
Last seen:	2020-07-30 06:45:40 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	6144:jkzwuh8BSfN7Bv16pDBIUpVRNDa4nVT/DQj8vehO+sfOADYGnburWwV9DN0G+lDF:jYwutfN7BvQmUpnN/hw9YFsWwTDCdAA
Threatray	10'640 similar samples on MalwareBazaar
TLSH	A0052AF977808414C43E5A7484B99A9371B3B28E6E16C20E39E27F4DBF123CB661715B
Reporter	jarumlus
Tags:	AgentTesla

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

AgentTeslaV2

Link:

https://www.capesandbox.com/analysis/35291/

Detection(s):

SecuriteInfo.com.Trojan.Inject3.45413.19137.31362.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Creating a file in the %temp% directory

Creating a process from a recently created file

Creating a file

Using the Windows Management Instrumentation requests

Unauthorized injection to a recently created process

Unauthorized injection to a recently created process by context flags manipulation

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/403174

Signature

.NET source code contains very large array initializations

Contains functionality to register a low level keyboard hook

Initial sample is a PE file and has a suspicious name

Installs a global keyboard hook

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: Capture Wi-Fi password

Sigma detected: Suspicious Svchost Process

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 harvest and steal WLAN passwords

Tries to steal Mail credentials (via file access)

Uses netsh to modify the Windows network and firewall settings

Yara detected AgentTesla

Behaviour

Behavior Graph:

Download SVG

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/a1d2c856822cf2e66b6fd68d4e07f090839c4989099531585af171665ae25067/

Threat name:

ByteCode-MSIL.Trojan.Kryptik

Status:

Malicious

First seen:

2020-07-29 08:19:53 UTC

AV detection:

22 of 29 (75.86%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=uhjmqvucftzom23p22gu4b7qscbzysmjbgktcwc26fywmwxckbtq._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

07b55ae89038136fc1da21d2aaea7b9e6d17ea18843d26f9bbcad7124eb5f1be

AgentTesla

10b2155331d3b0c7934808e52084c3911f82ece51f39836e3ef0e8db39ee9904

AgentTesla

46bfdc0627b361b30d34de72c6ca8fe42ce2d70b1424a4363788c21ae261ff83

AgentTesla

636154d781244f6ff3f3e29ec7d286f59133741e5ed518307ff49c6bbfd4d642

AgentTesla

65b442ae93b05837a8578be110e2baa02b2500bbd9753ced15160a972fbcb276

AgentTesla

83bf41e7a665cf566f5c60e020b1246f406905ed1e1e826f22afbe7050cef292

AgentTesla

abc4c5aeae2dfd62b6d7e50ef9f47dbab757db39ed13f69b8c99a72ccf31f16a

AgentTesla

ad3cb5c83f96b193664de0960138edd1219c75881de62e67eceade8ae799c174

AgentTesla

bafd446bf07645bc37e74814d658053fbbd169eed3a4dd2a7d2185e9ac80351b

AgentTesla

+ 10'630 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

spyware persistence keylogger trojan stealer family:agenttesla

Link:

https://tria.ge/reports/200730-962ttf732j/

Behaviour

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetThreadContext

Modifies service

Reads user/profile data of web browsers

Loads dropped DLL

Reads data files stored by FTP clients

Reads user/profile data of local email clients

Executes dropped EXE

AgentTesla

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

Threat name:

Kryptik

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/a1d2c856822cf2e66b6fd68d4e07f090839c4989099531585af171665ae25067

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