MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cbfc08ab907fa89fcf4921c6824a84f112324ff1acaa63934774bba8d98f2b01. 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:	cbfc08ab907fa89fcf4921c6824a84f112324ff1acaa63934774bba8d98f2b01
SHA3-384 hash:	e973afa0d03b0b9e4a310b9a7eed4c2e7c95e19c920165dc9654d7e1815979c4912757510a1692522f8c97a2ff53d64d
SHA1 hash:	a1d41eea1ec6fd8db97e3a0866d75cd20a84b3a7
MD5 hash:	50baadd2a4a1bc7d69ac0075f570696a
humanhash:	four-tennis-item-helium
File name:	30% Swift Scan0076567865.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	451'584 bytes
First seen:	2020-08-05 11:53:09 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep	12288:wqMHJjOyaW75eAm+mpgUy3EHV37qVF7ggGl5eVRf:Ts5Oyvc+YBVrKFMgGl5s
Threatray	10'651 similar samples on MalwareBazaar
TLSH	25A4F11C36D5A24DF1BA0E3F8C7001839E62F89FDE65D20B69B61068857E59CBC64F71
Reporter	abuse_ch
Tags:	AgentTesla exe MailChannels

abuse_ch

Malspam distributing AgentTesla:

HELO: anteater.elm.relay.mailchannels.net
Sending IP: 23.83.212.3
From: Rose Gutierrez <sales@sharkmotions.com>
Subject: RV: Advance payment .
Attachment: 30% Swift Scan0076567865.zip (contains "30% Swift Scan0076567865.exe")

AgentTesla SMTP exfil server:
smtp.pharco--corp.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/39503/

Detection(s):

Win.Packed.Nanocore-9229594-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Sending a UDP request

Creating a window

Unauthorized injection to a recently created process

Creating a file

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/411074

Signature

Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)

Found malware configuration

Injects a PE file into a foreign processes

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)

Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)

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)

Yara detected AgentTesla

Yara detected AntiVM_3

Behaviour

Behavior Graph:

Download SVG

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/cbfc08ab907fa89fcf4921c6824a84f112324ff1acaa63934774bba8d98f2b01/

Threat name:

ByteCode-MSIL.Trojan.FormBook

Status:

Malicious

First seen:

2020-08-05 11:00:05 UTC

AV detection:

24 of 29 (82.76%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=zp6ark4qp6uj7t2jehdiesue6ejdet7rvsvghe2hos52rwmpfmaq._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

18646a2607b76f94076a1b6ca579e2bfc24cfe36693511a1ef559c0ee254ac74

AgentTesla

5ece001c55a57cdf719fd6cbacec989d348086d7a22d9a0764aab2473aa3e9f7

AgentTesla

6972fcf47a2db0c5ce7cd905bd12cbbc5155e98f57e1362a8b1a3c94177a2419

AgentTesla

6aabf54e49076a1e1ba3f8b06c90b86932585d7648151db9ea0a2c0c55d00dae

AgentTesla

8f32b214dfe7dca133c2c100d46aae307ae1436a2b4afa27f261cb51c7ae262a

AgentTesla

9c7b103e3aaa595ae90af29253f1c0c7062dba34fd4b97070644105b025a3488

AgentTesla

aa72cac1ef23e95b93552363feb47970ce53eda70296757aa29c1f445d9529be

AgentTesla

f7591a2de2385aa3dad95196e96345c79780582807efb02718e37dfd4f092e81

AgentTesla

f8311c2389077ec88e9a7101e5950173d00356248136bc3e2242079ac4398cf6

AgentTesla

+ 10'641 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

keylogger stealer trojan spyware family:agenttesla

Link:

https://tria.ge/reports/200805-nkt5n1pw16/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetThreadContext

Reads data files stored by FTP clients

Reads user/profile data of web browsers

Reads user/profile data of local email clients

AgentTesla Payload

AgentTesla

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

Threat name:

AgentTesla

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/cbfc08ab907fa89fcf4921c6824a84f112324ff1acaa63934774bba8d98f2b01

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