MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f97b20de4d8f123a11901c5dee2121c2c5b6f6d6baea3cb26404c53f5f681822. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments

SHA256 hash: f97b20de4d8f123a11901c5dee2121c2c5b6f6d6baea3cb26404c53f5f681822
SHA3-384 hash: 3ecd750d87ae95c554ca47d906daa3c64d6a830c908ce1a80cfb810e6b162762ff2e678bceb16f4e57c9dc631efc201a
SHA1 hash: f2cfa7c76288d64b62801644d03318286ad31476
MD5 hash: b1b53ed91c24db626fb5bf7a28f10a43
humanhash: music-vermont-mississippi-nebraska
File name:INVOICE.exe
Download: download sample
Signature AgentTesla
File size:730'112 bytes
First seen:2021-03-20 10:56:59 UTC
Last seen:2021-03-29 13:00:10 UTC
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:y1+VEF/M0d6DQsNHxlRrJXxYhLu1Wy5YgCuqHIfhz1a+uu45Zq3x/:DVE1MTNRlRrLY8CV1H8a+
Threatray 3'663 similar samples on MalwareBazaar
TLSH 35F412265A233B94E53D07BB49BD969397F5EE0DA313D9FA1CF1B0DC00E226861B4436
Reporter cocaman
Tags:AgentTesla exe INVOICE

Intelligence


File Origin
# of uploads :
4
# of downloads :
295
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
INVOICE.exe
Verdict:
No threats detected
Analysis date:
2021-03-20 11:01:02 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
Sending a UDP request
DNS request
Creating a window
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.adwa.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Found malware configuration
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 sample
Modifies the hosts file
Multi AV Scanner detection for submitted 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)
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 AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 372400 Sample: INVOICE.exe Startdate: 20/03/2021 Architecture: WINDOWS Score: 100 32 Found malware configuration 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 Yara detected AgentTesla 2->36 38 5 other signatures 2->38 6 INVOICE.exe 3 2->6         started        9 AvrzbM.exe 2 2->9         started        11 AvrzbM.exe 1 2->11         started        process3 file4 24 C:\Users\user\AppData\...\INVOICE.exe.log, ASCII 6->24 dropped 13 RegSvcs.exe 2 4 6->13         started        18 RegSvcs.exe 6->18         started        20 conhost.exe 9->20         started        22 conhost.exe 11->22         started        process5 dnsIp6 30 us2.smtp.mailhostbox.com 208.91.199.223, 49740, 587 PUBLIC-DOMAIN-REGISTRYUS United States 13->30 26 C:\Users\user\AppData\Roaming\...\AvrzbM.exe, PE32 13->26 dropped 28 C:\Windows\System32\drivers\etc\hosts, ASCII 13->28 dropped 40 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->40 42 Tries to steal Mail credentials (via file access) 13->42 44 Tries to harvest and steal ftp login credentials 13->44 50 3 other signatures 13->50 46 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->46 48 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 18->48 file7 signatures8
Threat name:
ByteCode-MSIL.Backdoor.NanoBot
Status:
Malicious
First seen:
2021-03-20 09:48:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
20 of 29 (68.97%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
2b43013edb5706a946f4e523a1a219b31fe2a7e05c48884c048882b3c1327655
MD5 hash:
b7159eb14fe565d4e233604b629bbd8a
SHA1 hash:
64f82c67e6c7cbc078141162a49bffcee3d9ebb9
SH256 hash:
f97b20de4d8f123a11901c5dee2121c2c5b6f6d6baea3cb26404c53f5f681822
MD5 hash:
b1b53ed91c24db626fb5bf7a28f10a43
SHA1 hash:
f2cfa7c76288d64b62801644d03318286ad31476
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:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
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 f97b20de4d8f123a11901c5dee2121c2c5b6f6d6baea3cb26404c53f5f681822

(this sample)

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