MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9f105ac51524f20d64296e30d7cf08a95c6b993228dc758642dbd52088b212ce. 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:	9f105ac51524f20d64296e30d7cf08a95c6b993228dc758642dbd52088b212ce
SHA3-384 hash:	ee0d1962a7dea82dc600265b47e35b6f91f31606106dda6050b4523cae3386cbed8a219c077906af03ee1cf58dcd114a
SHA1 hash:	9105da40bcb2dd4e53895f9102f87f0ac2590b3f
MD5 hash:	b1e0fac4ad93b15099be07a0d295145d
humanhash:	thirteen-oxygen-nine-mike
File name:	PROFORMA INVOICE SHIPPING DOCS.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	498'688 bytes
First seen:	2020-07-31 06:12:12 UTC
Last seen:	2020-08-04 11:37:03 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'207 x SnakeKeylogger)
ssdeep	12288:/j9jQOs+dcMknbEB467B8xY8pJRJgPwDB:/j9jQOs+dOn27BorpVgYN
Threatray	91 similar samples on MalwareBazaar
TLSH	B8B4DF85F0DAE11ED43171B09FCD8288CEEDB5E812B3932B369467D795E4B878AC1472
Reporter	abuse_ch
Tags:	AgentTesla exe

abuse_ch

Malspam distributing AgentTesla:

HELO: saurer.com
Sending IP: 95.211.253.203
From: Quality.Vadodara@saurer.com
Subject: RE: PROFORMA INVOICE /SHIPPING DOCS
Attachment: PROFORMA INVOICE SHIPPING DOCS.r00 (contains "PROFORMA INVOICE SHIPPING DOCS.exe")

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

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

AgentTeslaV2

Link:

https://www.capesandbox.com/analysis/35814/

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Launching a process

Creating a file

Using the Windows Management Instrumentation requests

Unauthorized injection to a system process

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

92 / 100

Link:

https://www.joesandbox.com/analysis/404547

Signature

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

Executable has a suspicious name (potential lure to open the executable)

Initial sample is a PE file and has a suspicious name

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 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 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/9f105ac51524f20d64296e30d7cf08a95c6b993228dc758642dbd52088b212ce/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2020-07-31 06:14:36 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

26 of 29 (89.66%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=t4ifvrivetza2zbjnyynptyivfogxgjsfdohlbsc3pksbcfsclha._file

Verdict:

unknown

AgentTesla

1a5841a21e616296c4aafe372c36998c9e46c1f79513a379e59ee7aedc7a2535

AgentTesla

24e82b6d52501a968a09b294dff28bca82368e5974bdeca97cef781a111ff3c8

AgentTesla

3c73fc6ab8a765ea48a1ee51a2a3142fe05332e4661c2f2ec0526ae225acf308

AgentTesla

514c7f4384728fe67e4073654dcb51db0b07c8bb3bdb47c08779f4e8cec01f8a

AgentTesla

74b7a02e49c6319963fefe23a1736cf16bfd63ebb672a541d97c95601f840a49

AgentTesla

891aad4c074da1158dbb19b406248a8c70b22f589f57225a8e12261c4298c925

AgentTesla

96af26169543b638599cd1c9e7b236572c5cdab29c844d7e824b30f0a2cbab16

AgentTesla

def4b160ee042e7bcbd75cb191c3d366e4df9290ac7e2c41fe9305cdfc1ab1d2

AgentTesla

f4bf32943d6b14bf9e025c20f0fb7342982c025ba64b151687a99202091bf2eb

AgentTesla

+ 81 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

keylogger stealer spyware trojan family:agenttesla

Link:

https://tria.ge/reports/200731-l969zd3sj6/

Behaviour

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

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

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/9f105ac51524f20d64296e30d7cf08a95c6b993228dc758642dbd52088b212ce

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