MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 500ca56a7de01fbde3cdd1fcb392eb2a77b2706665a7a2e08e00ce8b405c27d5. 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:	500ca56a7de01fbde3cdd1fcb392eb2a77b2706665a7a2e08e00ce8b405c27d5
SHA3-384 hash:	3a30ebd1dd0f4c61758656d1370ab9a95d4cfed1155d1b3722a75d6aaf11880c5a5a0da115649f8bc1f74824e805c73d
SHA1 hash:	0770c6b7bbc102c8070e70208390d5f056515c1d
MD5 hash:	195dbcab53cf0dae73654d010d4c14d4
humanhash:	paris-twenty-georgia-charlie
File name:	SecuriteInfo.com.BackDoor.SiggenNET.5.10399.26751
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	406'528 bytes
First seen:	2020-08-10 18:29:30 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	6144:KVJPZfTaL6JrNE93k/hYyGC6SfYE9xqBmgBjPPEzU0zZwjebXzMSKWO:KfVT2kBE9ak7SwE9xqm8Ed4eHKW
Threatray	11'001 similar samples on MalwareBazaar
TLSH	8A84233ADA90C427E8071BB9151091885A9D61BF3997EB3F37DC03B86ED53FC47A2A50
Reporter	SecuriteInfoCom
Tags:	AgentTesla

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Gathering data

Detection(s):

SecuriteInfo.com.BackDoor.SiggenNET.5.10399.26751.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a UDP request

Adding an access-denied ACE

Creating a file in the %AppData% subdirectories

Enabling the 'hidden' option for recently created files

Unauthorized injection to a recently created process

Using the Windows Management Instrumentation requests

Enabling autorun

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

88 / 100

Link:

https://www.joesandbox.com/analysis/417496

Signature

Allocates many large memory junks

Creates an undocumented autostart registry key

Hides that the sample has been downloaded from the Internet (zone.identifier)

Installs a global keyboard hook

Machine Learning detection for dropped file

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)

Tries to harvest and steal browser information (history, 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/500ca56a7de01fbde3cdd1fcb392eb2a77b2706665a7a2e08e00ce8b405c27d5/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2020-08-10 17:46:33 UTC

AV detection:

24 of 29 (82.76%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=kagkk2t54ap33y6n2h6lhexlfj33e4dgmwt2fyeoadhiwqc4e7kq._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

19a8e4f9fb01ff4333c81f78bba61e42d516c860e8974e059be82f2bf9d5a641

AgentTesla

56f2c7b9d0efa06b177d87a0617b2a4ccb000d72599d046e3cc014628a4ca497

AgentTesla

897a1305d267937baedeaf75e35e386efbb9c5d7d66819aaecfd885e84196142

AgentTesla

93be03ee9522ffc9ea73dcf74bac994a5eabf6f373c0536f5c718af8ff819995

AgentTesla

99b1b22055fc3b65d41897f793b391692268773a7a316cb7afa88c7493c7bcbc

AgentTesla

ad7db1393e62d89dcb0039aa5ba64a897e88d3f6b76d146ccf419e952e57c317

AgentTesla

b023a34548a0f58904fab9d0c977edd8eef12a8185661dcb51b9937df768aed1

AgentTesla

d48370376555cfaf86feeef09793d4ea76dbac318737d651c298952766ed64fa

AgentTesla

f150b76e622e7da135e3d47a20c424aa20a6efeb839b15d301c17233bdcbc9f4

AgentTesla

+ 10'991 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

keylogger stealer spyware trojan family:agenttesla persistence

Link:

https://tria.ge/reports/200810-7v2k54hdp2/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Reads user/profile data of local email clients

Reads user/profile data of web browsers

AgentTesla Payload

AgentTesla

Modifies WinLogon for persistence

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/500ca56a7de01fbde3cdd1fcb392eb2a77b2706665a7a2e08e00ce8b405c27d5

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