MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a9394c83b0d854b8f5de050acb34fa7d06cdb1ecf5f515b2de51425df135d0f2. 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 2 File information Comments

SHA256 hash: a9394c83b0d854b8f5de050acb34fa7d06cdb1ecf5f515b2de51425df135d0f2
SHA3-384 hash: f7da795dc9da3a35215cfbdeda444cf9faf3b9eab9d6cc311ec4c6d417052d12a1acf05d32ba3b399f3d9380b519c5c4
SHA1 hash: 88d41b08432774c04379525f7f6d183dfbc34814
MD5 hash: afba93557618e5cf3cc1ff3da8cd30a4
humanhash: tennessee-helium-delaware-lamp
File name:PO32427.exe
Download: download sample
Signature AgentTesla
File size:565'248 bytes
First seen:2022-04-22 08:32:38 UTC
Last seen:2022-04-22 09:49:42 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:CtAYtv/h/UUOPvt/dfUS4xh0wQcQFGn8u90PzHrWxY+TYzmwmx+:GBdhT8nr4xWvcByzJ+T8
Threatray 16'593 similar samples on MalwareBazaar
TLSH T186C42302F2D42B21D6BC8FF55C901A819BB2B06B6415EB081DD6B0DF2761FD02F5AE93
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
269
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Searching for the window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
75%
Tags:
obfuscated packed pos update.exe
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
Adds a directory exclusion to Windows Defender
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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)
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
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 / registry access)
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: 613692 Sample: PO32427.exe Startdate: 22/04/2022 Architecture: WINDOWS Score: 100 68 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->68 70 Found malware configuration 2->70 72 Malicious sample detected (through community Yara rule) 2->72 74 9 other signatures 2->74 7 PO32427.exe 7 2->7         started        11 ocDFlo.exe 5 2->11         started        13 ocDFlo.exe 2->13         started        process3 file4 42 C:\Users\user\AppData\...\SOttwBnOJSglw.exe, PE32 7->42 dropped 44 C:\...\SOttwBnOJSglw.exe:Zone.Identifier, ASCII 7->44 dropped 46 C:\Users\user\AppData\Local\...\tmpCCEF.tmp, XML 7->46 dropped 48 C:\Users\user\AppData\...\PO32427.exe.log, ASCII 7->48 dropped 76 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->76 78 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->78 80 Uses schtasks.exe or at.exe to add and modify task schedules 7->80 82 Injects a PE file into a foreign processes 7->82 15 PO32427.exe 2 5 7->15         started        20 powershell.exe 24 7->20         started        22 schtasks.exe 1 7->22         started        84 Multi AV Scanner detection for dropped file 11->84 86 Machine Learning detection for dropped file 11->86 88 Adds a directory exclusion to Windows Defender 11->88 24 ocDFlo.exe 11->24         started        26 powershell.exe 11->26         started        28 schtasks.exe 11->28         started        signatures5 process6 dnsIp7 50 us2.smtp.mailhostbox.com 208.91.198.46, 49759, 587 PUBLIC-DOMAIN-REGISTRYUS United States 15->50 52 smtp.medexholdinglk.com 15->52 38 C:\Users\user\AppData\Roaming\...\ocDFlo.exe, PE32 15->38 dropped 40 C:\Users\user\...\ocDFlo.exe:Zone.Identifier, ASCII 15->40 dropped 58 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->58 60 Tries to steal Mail credentials (via file / registry access) 15->60 62 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->62 30 conhost.exe 20->30         started        32 conhost.exe 22->32         started        54 208.91.198.38, 49782, 587 PUBLIC-DOMAIN-REGISTRYUS United States 24->54 56 smtp.medexholdinglk.com 24->56 64 Tries to harvest and steal ftp login credentials 24->64 66 Tries to harvest and steal browser information (history, passwords, etc) 24->66 34 conhost.exe 26->34         started        36 conhost.exe 28->36         started        file8 signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-04-22 07:15:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
b4565c632b11155eb0883d22399bd17dae5ca70da485c1efb5bdeda5cf6d0acf
MD5 hash:
d7f42106c5ad1c247e6e1dfa822ca107
SHA1 hash:
fea5f620e2174456c0b58e1269c116237da2f934
SH256 hash:
a4b59e43632e2ec3791d53f71dc4837a257b55e4075b68025dd5e6b20b5d7206
MD5 hash:
acf21c0f3c682891ac73482c07f11d2f
SHA1 hash:
761e8f2ad9e8583a72bc15951512e9c671deeb28
SH256 hash:
2f5e8565dcdd23cf6495cb48f575086121ce45699155e225b9c6c5a84b2c37b5
MD5 hash:
1ee372d5ebaf08aa42aedb8c55201734
SHA1 hash:
1af7cebc8584e014cb017a2b425a267160c13691
SH256 hash:
8e1b71477c489cbc954c8d54d08284f759ab2cd1b65050128ecbda9ebe16904d
MD5 hash:
b477c0f043954b457d5f0f91327ec606
SHA1 hash:
0db8774ef3e2b8245504f66a35afcf987ebdaaba
SH256 hash:
a9394c83b0d854b8f5de050acb34fa7d06cdb1ecf5f515b2de51425df135d0f2
MD5 hash:
afba93557618e5cf3cc1ff3da8cd30a4
SHA1 hash:
88d41b08432774c04379525f7f6d183dfbc34814
Malware family:
AgentTesla.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: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.

Malspam

AgentTesla

Executable exe a9394c83b0d854b8f5de050acb34fa7d06cdb1ecf5f515b2de51425df135d0f2

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments