MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e72bbdfcc56339eb2aca00e01162d7fdd1004d9992150f2dea1b014d6b4469ac. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments

SHA256 hash: e72bbdfcc56339eb2aca00e01162d7fdd1004d9992150f2dea1b014d6b4469ac
SHA3-384 hash: 548b75411cf1b1e5c6d24ddfc21e560d0c377df4dfb791de7fb07acde4b1fd2337936bcfa367f73104ecf0e2e98d30d2
SHA1 hash: 6502f1b42595f1c7c0fdafab681e6f66ec59222e
MD5 hash: 703768db14ef6f320717c372f11f91b0
humanhash: wolfram-happy-nuts-grey
File name:RFQ Order - Mediform S.A_pdf.exe
Download: download sample
Signature AgentTesla
File size:775'680 bytes
First seen:2020-08-13 06:29:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:I6gvdjC8LUv503+l03++Lwe+mb0pDMs1ckEgLvsVIpHkhuFNNxF4R2YpcXUrPtSz:KdjC8LUB03+l03++LLx4pMOVTs6pECbv
Threatray 10'517 similar samples on MalwareBazaar
TLSH F7F4E05023A95577E57A7E348A32165007BB7CA76A3EC34D0B9D72CFD8207BC8A10B67
Reporter abuse_ch
Tags:AgentTesla exe SendGrid


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: o1.hv1e.shared.sendgrid.net
Sending IP: 167.89.100.165
From: Stefania Pitta <leekk91@impt.kr>
Reply-To: leekk91@impt.kr
Subject: RFQ: Order - Mediform S.A
Attachment: RFQ Order - Mediform S.A_pdf.arj (contains "RFQ Order - Mediform S.A_pdf.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
65
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Enabling autorun by creating a file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Binary contains a suspicious time stamp
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
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
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 265147 Sample: RFQ Order - Mediform S.A_pdf.exe Startdate: 14/08/2020 Architecture: WINDOWS Score: 100 59 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->59 61 Sigma detected: Scheduled temp file as task from temp location 2->61 63 Yara detected AgentTesla 2->63 65 9 other signatures 2->65 7 WEqfDb.exe 4 2->7         started        10 RFQ Order - Mediform S.A_pdf.exe 7 2->10         started        14 WEqfDb.exe 3 2->14         started        process3 dnsIp4 67 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->67 69 Machine Learning detection for dropped file 7->69 71 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->71 16 WEqfDb.exe 7->16         started        20 schtasks.exe 1 7->20         started        47 192.168.2.1 unknown unknown 10->47 37 C:\Users\user\AppData\...\iCgcnOUGNbkHS.exe, PE32 10->37 dropped 39 C:\...\iCgcnOUGNbkHS.exe:Zone.Identifier, ASCII 10->39 dropped 41 C:\Users\user\AppData\Local\...\tmp889E.tmp, XML 10->41 dropped 43 C:\...\RFQ Order - Mediform S.A_pdf.exe.log, ASCII 10->43 dropped 22 RFQ Order - Mediform S.A_pdf.exe 17 5 10->22         started        25 schtasks.exe 1 10->25         started        27 RFQ Order - Mediform S.A_pdf.exe 10->27         started        file5 signatures6 process7 dnsIp8 49 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->49 51 Tries to steal Mail credentials (via file access) 16->51 53 Tries to harvest and steal ftp login credentials 16->53 55 Tries to harvest and steal browser information (history, passwords, etc) 16->55 29 conhost.exe 20->29         started        45 ftp.turblneservices.com 185.159.131.4, 21, 49745, 49746 ITOS-ASRU Russian Federation 22->45 33 C:\Users\user\AppData\Roaming\...\WEqfDb.exe, PE32 22->33 dropped 35 C:\Users\user\...\WEqfDb.exe:Zone.Identifier, ASCII 22->35 dropped 57 Hides that the sample has been downloaded from the Internet (zone.identifier) 22->57 31 conhost.exe 25->31         started        file9 signatures10 process11
Threat name:
ByteCode-MSIL.Trojan.LokiSteal
Status:
Malicious
First seen:
2020-08-13 06:31:07 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer persistence spyware trojan family:agenttesla
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
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.

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
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:RSharedStrings
Author:Katie Kleemola
Description:identifiers for remote and gmremote
Rule name:win_agent_tesla_w1
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

Executable exe e72bbdfcc56339eb2aca00e01162d7fdd1004d9992150f2dea1b014d6b4469ac

(this sample)

  
Delivery method
Distributed via e-mail attachment

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