MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b2d0646c000d113ebaf252cf3d5eac243608b1358c653e7ec7fd85880cf1f5d4. 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 7 File information Comments

SHA256 hash: b2d0646c000d113ebaf252cf3d5eac243608b1358c653e7ec7fd85880cf1f5d4
SHA3-384 hash: 8a1ba06c6358f3eee8179597e7bb5daa83640cd4b1c913cca0066a6edf122fc182f74fc72ca40ee6a0bd4c3be2389597
SHA1 hash: 3f851cc1f324d316a341d8113f9ccf8021ee7b4c
MD5 hash: 4494b2b76c93a8eaf0c95fb04c7eff70
humanhash: fix-emma-beer-venus
File name:invoice.pdf.exe
Download: download sample
Signature AgentTesla
File size:1'609'216 bytes
First seen:2021-08-12 12:28:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:bZhWmQaCOpzry5nKE1BXLUbwm4EZZS5R0:P4Opffiqwm4E3B
Threatray 8'331 similar samples on MalwareBazaar
TLSH T1C8755C3D19B92637C0A5C6758AE19817F0449CAF31D1A9BC94C27F66C3F2A5335832EE
dhash icon 0c3269d44569300c (17 x AgentTesla, 8 x Formbook, 7 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
343
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
invoice.pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-08-12 12:46:15 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large strings
Found malware configuration
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
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: Suspicious Double Extension
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 an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 464173 Sample: invoice.pdf.exe Startdate: 12/08/2021 Architecture: WINDOWS Score: 100 29 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->29 31 Found malware configuration 2->31 33 Multi AV Scanner detection for dropped file 2->33 35 10 other signatures 2->35 7 invoice.pdf.exe 7 2->7         started        process3 file4 19 C:\Users\user\AppData\Roaming\iOWadfFR.exe, PE32 7->19 dropped 21 C:\Users\...\iOWadfFR.exe:Zone.Identifier, ASCII 7->21 dropped 23 C:\Users\user\AppData\Local\...\tmp7546.tmp, XML 7->23 dropped 25 C:\Users\user\AppData\...\invoice.pdf.exe.log, ASCII 7->25 dropped 37 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->37 39 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->39 41 Uses schtasks.exe or at.exe to add and modify task schedules 7->41 11 invoice.pdf.exe 2 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 27 192.168.2.1 unknown unknown 11->27 43 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->43 45 Tries to steal Mail credentials (via file access) 11->45 47 Tries to harvest and steal ftp login credentials 11->47 49 Tries to harvest and steal browser information (history, passwords, etc) 11->49 17 conhost.exe 15->17         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-08-12 12:29:04 UTC
AV detection:
17 of 28 (60.71%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
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
Unpacked files
SH256 hash:
33ac6b8012ce739e72022086b5d39b7fc030c20fa72988f76957685509d5c041
MD5 hash:
83f8ae95a7e6f016f6b00482588086e6
SHA1 hash:
70392939d6d60a913b51084ec1d98eaae8ca4868
SH256 hash:
8579aed2b16117597804dc90d3178c4aba4c47c7c63776374f711612248dec4c
MD5 hash:
de34022cccde7997d814237f217244f8
SHA1 hash:
5d97d7132d3f41e93cbd97d60dd4a73c9cd919e7
SH256 hash:
ae34ea97b03560b0187c855c607b30dc91d8c21cfd86e12d202b583d4700cf74
MD5 hash:
9c70ac0914e74980d9c81fc15b91e8ca
SHA1 hash:
039f5852a23e7262fb60160c6baaad65d577b752
SH256 hash:
b2d0646c000d113ebaf252cf3d5eac243608b1358c653e7ec7fd85880cf1f5d4
MD5 hash:
4494b2b76c93a8eaf0c95fb04c7eff70
SHA1 hash:
3f851cc1f324d316a341d8113f9ccf8021ee7b4c
Malware family:
Agent Tesla v3
Verdict:
Malicious
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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_agent_tesla_v1
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information


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

Malspam

AgentTesla

Executable exe b2d0646c000d113ebaf252cf3d5eac243608b1358c653e7ec7fd85880cf1f5d4

(this sample)

  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment

Comments