MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 27bd6b90b0679826263d4555f66bfc6d153c46538b5fff3a23cf31f03ef2c1a3. 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:	27bd6b90b0679826263d4555f66bfc6d153c46538b5fff3a23cf31f03ef2c1a3
SHA3-384 hash:	23409831986bd272dfb57987e3db8279bc8c5cfd7e4614b0e8f25311f3a11707eedba61d7cc05fa33a83e2017e7cc1f7
SHA1 hash:	cb7d7c55ceac0190495e029a1998d31769a2d337
MD5 hash:	b8db143f756bb96aba13d094340429b5
humanhash:	arizona-april-crazy-march
File name:	PO#HD512-6 5700.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	646'656 bytes
First seen:	2020-08-17 06:24:15 UTC
Last seen:	2020-08-17 07:00:44 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep	12288:qy0Z+qpbr9UVebEUG7M6HYbaUaF9f+zTj1AzHcerOH3nE:1ir9PbEU4M6GaF9fI1Y8O
Threatray	10'803 similar samples on MalwareBazaar
TLSH	90D41313B7A0C710C07A357A959915901BFCB8D27A60FB3DFD89369EA8543C68682FC6
Reporter	abuse_ch
Tags:	AgentTesla exe

abuse_ch

Malspam distributing AgentTesla:

HELO: mail.sli.cz
Sending IP: 89.203.138.188
From: Andrea Gerigk <andrea.gerigk@airindia.in>
Subject: NEW PO FROM JX NIPPON ANCI (PO#HD512-6 5700)
Attachment: POHD512-6 5700.img (contains "PO#HD512-6 5700.exe")

AgentTesla SMTP exfil server:
mail.privateemail.com:587

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

AgentTeslaV2

Link:

https://www.capesandbox.com/analysis/46666/

Detection(s):

SecuriteInfo.com.Trojan.GenericKD.34374185.16665.655.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a UDP request

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/432601

Signature

.NET source code contains potential unpacker

Initial sample is a PE file and has a suspicious name

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)

Sigma detected: Scheduled temp file as task from temp location

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)

Uses schtasks.exe or at.exe to add and modify task schedules

Yara detected AgentTesla

Yara detected AntiVM_3

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/27bd6b90b0679826263d4555f66bfc6d153c46538b5fff3a23cf31f03ef2c1a3/

Threat name:

ByteCode-MSIL.Backdoor.Remcos

Status:

Malicious

First seen:

2020-08-17 00:59:50 UTC

AV detection:

24 of 29 (82.76%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=e66wxefqm6mcmjr5ivk7m274nuktyrstrnp76ordz4y7apxsygrq._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

0a2b42cf3d5e0aacd6a21adbd2a1997630d0d3fa0419019e22c54bee82fc729d

AgentTesla

18f5f4aa9b67c87202ed2456159ff033577a00bd227dc7b713de074f262d9897

AgentTesla

2395a5af4e6e127f5b7be6dfa864b5cf24f3c514ba279dfca19f5769b8edba40

AgentTesla

418dd49f6200b9410dc261ee37d2366f445cbcf053662cf977b2619071218b73

AgentTesla

8bb885f9c9c6d765926f549592bddb567c2075b9c3e92334200af63f64be1485

AgentTesla

a4273258f20011ca2466a27ca652b8cb2febf6ef5cfea22c608cd17be702834e

AgentTesla

bc969496b9340a4fc425080312aef077c477680d6370370dc75edad1493837d3

AgentTesla

f704517dc0e726e24a43420206094ba127072ab110bcc1ab8de4ed4783f527c2

AgentTesla

fd512bcb35f6f9b41f33ec961e46e3b80a774d8038a03abb1b693064a84f8f1a

AgentTesla

+ 10'793 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

keylogger stealer trojan spyware family:agenttesla

Link:

https://tria.ge/reports/200817-fkf459rng2/

Behaviour

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

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:

Trojan

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/27bd6b90b0679826263d4555f66bfc6d153c46538b5fff3a23cf31f03ef2c1a3

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