MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b28e292f639bad240b06ab801e01cfeb3abc86170f493806d4f9477e5383486e. 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 3 File information Comments

SHA256 hash: b28e292f639bad240b06ab801e01cfeb3abc86170f493806d4f9477e5383486e
SHA3-384 hash: 924d330f74e9da98e317889f8526a125d50b2501f75d68a7115f8a629b115a7a59d406fbb7293bcf98c0797d375ff86e
SHA1 hash: 79bf57be5656f4c503dbee92828293b93037a792
MD5 hash: 7ef8c8b59bb20eced74215a454deaaf9
humanhash: football-butter-kansas-twelve
File name:SecuriteInfo.com.Trojan.PackedNET.796.21363.17958
Download: download sample
Signature AgentTesla
File size:1'352'704 bytes
First seen:2021-06-03 10:57:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:s+fUiAQ5qJs6aiUVczinmTJ9XRdbsmeehMJHAZLSq:s+8iAQYUyzym1VvQmeehMJHOS
Threatray 5'586 similar samples on MalwareBazaar
TLSH AC5508A8F984D86CFA55F334EA1819F9836F93A5110E3F3DA21DC1582E7B7058B98C53
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
142
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Trojan.PackedNET.796.21363.17958
Verdict:
Suspicious activity
Analysis date:
2021-06-03 11:06:42 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
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 array initializations
Found evasive API chain (trying to detect sleep duration tampering with parallel thread)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped 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 dnsIp2 2 Behavior Graph ID: 429010 Sample: SecuriteInfo.com.Trojan.Pac... Startdate: 03/06/2021 Architecture: WINDOWS Score: 100 30 smtp.sadeco-bd.com 2->30 32 us2.smtp.mailhostbox.com 2->32 50 Found malware configuration 2->50 52 Multi AV Scanner detection for submitted file 2->52 54 Yara detected AgentTesla 2->54 56 5 other signatures 2->56 7 SecuriteInfo.com.Trojan.PackedNET.796.21363.exe 3 2->7         started        11 icloud.exe 3 2->11         started        13 icloud.exe 2 2->13         started        signatures3 process4 file5 28 SecuriteInfo.com.T...T.796.21363.exe.log, ASCII 7->28 dropped 58 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->58 60 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->60 62 Injects a PE file into a foreign processes 7->62 15 SecuriteInfo.com.Trojan.PackedNET.796.21363.exe 2 11 7->15         started        64 Multi AV Scanner detection for dropped file 11->64 66 Machine Learning detection for dropped file 11->66 68 Found evasive API chain (trying to detect sleep duration tampering with parallel thread) 11->68 20 icloud.exe 4 11->20         started        22 icloud.exe 4 13->22         started        signatures6 process7 dnsIp8 34 smtp.sadeco-bd.com 15->34 36 208.91.198.143, 49731, 49741, 49742 PUBLIC-DOMAIN-REGISTRYUS United States 15->36 38 us2.smtp.mailhostbox.com 208.91.199.225, 49728, 587 PUBLIC-DOMAIN-REGISTRYUS United States 15->38 24 C:\Users\user\AppData\Roaming\...\icloud.exe, PE32 15->24 dropped 26 C:\Users\user\...\icloud.exe:Zone.Identifier, ASCII 15->26 dropped 40 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->40 42 Tries to steal Mail credentials (via file access) 15->42 44 Tries to harvest and steal browser information (history, passwords, etc) 15->44 48 2 other signatures 15->48 46 Tries to harvest and steal ftp login credentials 20->46 file9 signatures10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-06-03 10:58:10 UTC
AV detection:
20 of 28 (71.43%)
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
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
1e7c66f6da06a0ea81371fb98d0e76424a600518b808140279c7ba8e06541ac5
MD5 hash:
8fe0389e4b903545421e42b628186cd2
SHA1 hash:
f6adc3d1a4ac995fad2a49474243d896b0236c2b
SH256 hash:
b28e292f639bad240b06ab801e01cfeb3abc86170f493806d4f9477e5383486e
MD5 hash:
7ef8c8b59bb20eced74215a454deaaf9
SHA1 hash:
79bf57be5656f4c503dbee92828293b93037a792
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Web download

AgentTesla

Executable exe b28e292f639bad240b06ab801e01cfeb3abc86170f493806d4f9477e5383486e

(this sample)

  
Delivery method
Distributed via web download

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