MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 df03589933428f3850db7b91fc6cfccb3b0e57cc43af3079183c729ca9801b51. 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: df03589933428f3850db7b91fc6cfccb3b0e57cc43af3079183c729ca9801b51
SHA3-384 hash: 5cc27558ccc6db42141ade01e897355ca08b6bb40f8377c1cedf8762f9cc0248ec4d2bba771e9db608f55c0e5c1888f3
SHA1 hash: ab52b6ea79c673561791bba7b6bb376de18a4a1c
MD5 hash: 55412c475dd332bd54d80a8006e8dcd5
humanhash: tennessee-single-asparagus-oven
File name:Document_35638463836483648374834,pdf.exe
Download: download sample
Signature AgentTesla
File size:859'136 bytes
First seen:2021-05-10 06:28:53 UTC
Last seen:2021-05-10 08:11:45 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:YWoz1u6eqHmMk5wADQtriUetwjewRb8LI7QMO2Rg7Mg3cbCHT:b0u6eZTOADEiUetwjlREyQMOJc
Threatray 4'657 similar samples on MalwareBazaar
TLSH B005F1216388AF99E17E57794879D42003F2BD1AE271C70E7DE639AF29B37810573A07
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
106
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Result
Verdict:
MALICIOUS
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
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
DLL reload attack detected
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
Injects a PE file into a foreign processes
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)
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 Putty / WinSCP information (sessions, passwords, etc)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 409462 Sample: Document_356384638364836483... Startdate: 10/05/2021 Architecture: WINDOWS Score: 100 72 Found malware configuration 2->72 74 Multi AV Scanner detection for dropped file 2->74 76 Yara detected AgentTesla 2->76 78 6 other signatures 2->78 7 Document_35638463836483648374834,pdf.exe 7 2->7         started        11 MLdAu.exe 2->11         started        13 MLdAu.exe 2->13         started        process3 file4 54 C:\Users\user\AppData\...\YnoQHljsGn.exe, PE32 7->54 dropped 56 C:\Users\...\YnoQHljsGn.exe:Zone.Identifier, ASCII 7->56 dropped 58 C:\Users\user\AppData\Local\...\tmp40A5.tmp, XML 7->58 dropped 60 Document_356384638...8374834,pdf.exe.log, ASCII 7->60 dropped 84 DLL reload attack detected 7->84 86 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->86 88 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->88 90 Uses schtasks.exe or at.exe to add and modify task schedules 7->90 15 Document_35638463836483648374834,pdf.exe 7->15         started        19 powershell.exe 26 7->19         started        21 powershell.exe 22 7->21         started        31 2 other processes 7->31 92 Multi AV Scanner detection for dropped file 11->92 94 Machine Learning detection for dropped file 11->94 96 Adds a directory exclusion to Windows Defender 11->96 23 powershell.exe 11->23         started        25 schtasks.exe 11->25         started        27 powershell.exe 11->27         started        29 MLdAu.exe 11->29         started        98 Writes to foreign memory regions 13->98 100 Allocates memory in foreign processes 13->100 102 Injects a PE file into a foreign processes 13->102 33 2 other processes 13->33 signatures5 process6 file7 62 C:\Users\user\AppData\Roaming\...\MLdAu.exe, PE32 15->62 dropped 64 C:\Users\user\...\MLdAu.exe:Zone.Identifier, ASCII 15->64 dropped 66 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->66 68 Tries to harvest and steal browser information (history, passwords, etc) 15->68 70 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->70 35 conhost.exe 19->35         started        38 conhost.exe 21->38         started        40 conhost.exe 23->40         started        42 conhost.exe 25->42         started        44 conhost.exe 27->44         started        46 conhost.exe 31->46         started        48 conhost.exe 31->48         started        50 conhost.exe 33->50         started        52 conhost.exe 33->52         started        signatures8 process9 signatures10 80 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 35->80 82 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 35->82
Threat name:
ByteCode-MSIL.Trojan.Taskun
Status:
Malicious
First seen:
2021-05-10 06:29:13 UTC
AV detection:
15 of 46 (32.61%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
bdf79e57b5574f9bafb56f6d0592f5ee429df7eb0ad536fbdb4f2956aae36f87
MD5 hash:
826b29e2a141b055a5491c9d7dc6eea7
SHA1 hash:
af4201362b8603bf7e4b6e2ead1cfb610dd7c0a9
SH256 hash:
df03589933428f3850db7b91fc6cfccb3b0e57cc43af3079183c729ca9801b51
MD5 hash:
55412c475dd332bd54d80a8006e8dcd5
SHA1 hash:
ab52b6ea79c673561791bba7b6bb376de18a4a1c
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.

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