MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf1016ffb1ecdff1fa7b2b6773ee693cfc6e7e16bdfc467639fe9b60a7c9c668. 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: 7

Intelligence 7 IOCs YARA 4 File information Comments

SHA256 hash:	bf1016ffb1ecdff1fa7b2b6773ee693cfc6e7e16bdfc467639fe9b60a7c9c668
SHA3-384 hash:	a07e19e0eee563545df343030fa0a4ce7338c04cabe425e7544a5e62194076455923a9252f8a2f66c226169538135875
SHA1 hash:	2a2f3f25f82c16fdcad00ea263f8e4a74621875b
MD5 hash:	1fad23ed01cbcac7ad8ba778cfff0311
humanhash:	double-angel-minnesota-yankee
File name:	NEW ORDER PO 15.08.20.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	454'656 bytes
First seen:	2020-08-15 17:25:42 UTC
Last seen:	2020-08-15 17:53:55 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep	12288:LFASsL0sUvjcyR3ACr8o4oltzF1g36g4EcmZHAFaxmVmie9bngP:LNsYsUdlACrPQP4EcmZHAFaxmVmie9bQ
Threatray	10'632 similar samples on MalwareBazaar
TLSH	81A4F1AC30E0A277F2F91BF999301D0847B627161426DE0F5DD172F497E2BE12EA581B
Reporter	abuse_ch
Tags:	AgentTesla exe

abuse_ch

Malspam distributing AgentTesla:

HELO: bitisgroup.vn
Sending IP: 5.226.138.173
From: Ngoc My <ngocmy.ta@bitisgroup.vn>
Subject: NEW ORDER PO 15/08/20
Attachment: NEW ORDER PO 15.08.20.pdf.z (contains "NEW ORDER PO 15.08.20.exe")

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

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/46336/

Detection(s):

SecuriteInfo.com.Generic.mg.1fad23ed01cbcac7.25036.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a UDP request

Launching a process

Creating a file

Using the Windows Management Instrumentation requests

Forced shutdown of a system process

Unauthorized injection to a system process

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/432072

Signature

Found malware configuration

Initial sample is a PE file and has a suspicious name

Injects a PE file into a foreign processes

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: MSBuild connects to smtp port

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)

Writes to foreign memory regions

Yara detected AgentTesla

Yara detected AntiVM_3

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/bf1016ffb1ecdff1fa7b2b6773ee693cfc6e7e16bdfc467639fe9b60a7c9c668/

Threat name:

ByteCode-MSIL.Trojan.Kryptik

Status:

Malicious

First seen:

2020-08-15 14:38:18 UTC

AV detection:

21 of 29 (72.41%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=x4ibn75r5tp7d6t3fntxh3tjht6g47qwxx6em5rz72nwbj6jyzua._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

48bc31d1007f2b0983ae960135c7b99868ed639e4278f45dd10b66f84bc7fbf1

AgentTesla

65352221fc82526f39fc8ea925e9478a2268f85415bbaa6ca96c037b3f350ef4

AgentTesla

6dcfdbf37b4eda93ae3466ba898d3c33170c8f10886fbf548fb82a40145caa87

AgentTesla

77bbe59685fd4ba30b0f14c6471ba479adbe790de6499c7ea2370b2055fcc9c3

AgentTesla

84025b3730f79fce216edfff6f7b0c596972dad42f7368f1ee5d88b6f7bd7ba4

AgentTesla

85659697a82a4df981d265f5c8702e29e4e1208dac08ab1cb76f2e9cf9bd015c

AgentTesla

c2384159db2fb98c982b2720d78622dab53020509d3889dfe91d8c3ba21e0e1c

AgentTesla

e8d6e647d8611efee71472288c0959d0e7f2950e1bbd226877872de5fc4beeab

AgentTesla

f3df7d3bb9a05ff881cec0a5947916d08030d2424c8a233820dff5e92a95f4a5

AgentTesla

+ 10'622 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

keylogger stealer spyware trojan family:agenttesla

Link:

https://tria.ge/reports/200815-as6vvefynj/

Behaviour

Suspicious behavior: EnumeratesProcesses

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

AgentTesla Payload

AgentTesla

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

Threat name:

Suspicious File

Score:

0.45

Link:

https://yomi.yoroi.company/submissions/bf1016ffb1ecdff1fa7b2b6773ee693cfc6e7e16bdfc467639fe9b60a7c9c668

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