MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c50e900c818fafd45a3a9511a27e4f03bc1ddb8656c22c1a69a92459173dc4a7. 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: c50e900c818fafd45a3a9511a27e4f03bc1ddb8656c22c1a69a92459173dc4a7
SHA3-384 hash: dcf2b94985d0be4719ee37733b7360a2f30bab845ba450df17ce0a1859d185405ed2fc817a23961e508da8d9b835a7e8
SHA1 hash: a1763102d23657225bdd68ff0cd425c81c8fb422
MD5 hash: 60e5a7a61df755d90244b5171306e6c8
humanhash: carpet-lactose-hot-white
File name:UJQ2BJE3B6tOMVr.exe
Download: download sample
Signature AgentTesla
File size:595'456 bytes
First seen:2021-05-19 07:34:05 UTC
Last seen:2021-05-24 06:51:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:YQ7yMSmUtwRK6K7X20ZDYRgIgYvWmlbIyzLqjN9fs:Y/AC1ZOgXW7MTs
Threatray 5'070 similar samples on MalwareBazaar
TLSH D2C4E02533D4779EE47ED77AA526180463F0B117D312D64AFCAB00DD1A29F828BB3663
Reporter GovCERT_CH
Tags:AgentTesla

Intelligence


File Origin
# of uploads :
4
# of downloads :
108
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
UJQ2BJE3B6tOMVr.exe
Verdict:
Malicious activity
Analysis date:
2021-05-19 07:48:40 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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.adwa.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
Modifies the hosts file
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)
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: 417048 Sample: UJQ2BJE3B6tOMVr.exe Startdate: 19/05/2021 Architecture: WINDOWS Score: 100 62 Found malware configuration 2->62 64 Antivirus detection for dropped file 2->64 66 Antivirus / Scanner detection for submitted sample 2->66 68 8 other signatures 2->68 7 UJQ2BJE3B6tOMVr.exe 7 2->7         started        11 kprUEGC.exe 5 2->11         started        13 kprUEGC.exe 4 2->13         started        process3 file4 42 C:\Users\user\AppData\...\oAwFYmjhuphBoN.exe, PE32 7->42 dropped 44 C:\...\oAwFYmjhuphBoN.exe:Zone.Identifier, ASCII 7->44 dropped 46 C:\Users\user\AppData\Local\...\tmpDD78.tmp, XML 7->46 dropped 48 C:\Users\user\...\UJQ2BJE3B6tOMVr.exe.log, ASCII 7->48 dropped 70 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->70 72 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->72 74 Uses schtasks.exe or at.exe to add and modify task schedules 7->74 15 UJQ2BJE3B6tOMVr.exe 2 5 7->15         started        20 schtasks.exe 1 7->20         started        76 Antivirus detection for dropped file 11->76 78 Multi AV Scanner detection for dropped file 11->78 80 Machine Learning detection for dropped file 11->80 22 schtasks.exe 1 11->22         started        24 kprUEGC.exe 2 11->24         started        82 Injects a PE file into a foreign processes 13->82 26 kprUEGC.exe 13->26         started        28 schtasks.exe 13->28         started        signatures5 process6 dnsIp7 50 premiercareclinic.com 158.69.148.83, 49764, 587 OVHFR Canada 15->50 52 mail.premiercareclinic.com 15->52 36 C:\Users\user\AppData\Roaming\...\kprUEGC.exe, PE32 15->36 dropped 38 C:\Users\user\...\kprUEGC.exe:Zone.Identifier, ASCII 15->38 dropped 54 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->54 56 Tries to steal Mail credentials (via file access) 15->56 58 Tries to harvest and steal ftp login credentials 15->58 60 4 other signatures 15->60 30 conhost.exe 20->30         started        32 conhost.exe 22->32         started        40 C:\Windows\System32\drivers\etc\hosts, ASCII 26->40 dropped 34 conhost.exe 28->34         started        file8 signatures9 process10
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Taskun
Status:
Malicious
First seen:
2021-05-18 21:06:30 UTC
AV detection:
15 of 47 (31.91%)
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
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
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.

Malspam

AgentTesla

Executable exe c50e900c818fafd45a3a9511a27e4f03bc1ddb8656c22c1a69a92459173dc4a7

(this sample)

  
Delivery method
Distributed via e-mail attachment

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