MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 498a82ce3b34b5db478f98574a168fa0bc53d389e50463cb0a8b76bb5b4314d5. 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 6 File information Comments

SHA256 hash: 498a82ce3b34b5db478f98574a168fa0bc53d389e50463cb0a8b76bb5b4314d5
SHA3-384 hash: dd4c74c5cffb936c1a7b2aebea135ba23ed7d8efbadeaa93d4f6287b463c25b1fff1a1a0de2c2284e04e94771694b617
SHA1 hash: 228442f3465da66d2d8a13a955da54d3cd075f25
MD5 hash: a81071d27876ccc332ee2fddc04a792e
humanhash: video-lactose-yankee-muppet
File name:498a82ce3b34b5db478f98574a168fa0bc53d389e50463cb0a8b76bb5b4314d5
Download: download sample
Signature AgentTesla
File size:1'025'024 bytes
First seen:2020-11-04 11:30:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7d5f0019fa3b4ab188eb73db0939eed7 (1 x AgentTesla, 1 x Loki, 1 x HawkEye)
ssdeep 12288:lLFg4wLwzMsa28QVlcRsxHCOwit8QGzAoazH3T7JkiXuKXfwSQkq15mI9NtJPU:3ghwwsa286kKSxzAR53XuKPcX15mIT4
Threatray 9'573 similar samples on MalwareBazaar
TLSH 00257C23B2AD493FC1625678AF3B46747429BF132924A94F7AE49CCC7F3964438172D2
Reporter madjack_red
Tags:AgentTesla

Intelligence


File Origin
# of uploads :
1
# of downloads :
84
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Launching a process
Using the Windows Management Instrumentation requests
Reading critical registry keys
Stealing user critical data
Unauthorized injection to a system process
Enabling autorun by creating a file
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
Allocates memory in foreign processes
Contains functionality to detect sleep reduction / modifications
Delayed program exit found
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Drops VBS files to the startup folder
Found malware configuration
Machine Learning detection for sample
Maps a DLL or memory area into another process
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)
Queues an APC in another process (thread injection)
Sigma detected: Drops script at startup location
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 309122 Sample: jkw91U4wd3 Startdate: 04/11/2020 Architecture: WINDOWS Score: 100 33 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->33 35 Found malware configuration 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 3 other signatures 2->39 7 jkw91U4wd3.exe 2->7         started        10 wscript.exe 1 2->10         started        process3 signatures4 41 Detected unpacking (changes PE section rights) 7->41 43 Detected unpacking (creates a PE file in dynamic memory) 7->43 45 Detected unpacking (overwrites its own PE header) 7->45 47 7 other signatures 7->47 12 jkw91U4wd3.exe 2 7->12         started        16 notepad.exe 1 7->16         started        18 jkw91U4wd3.exe 10->18         started        process5 dnsIp6 29 smtp.airlndia.in 12->29 31 us2.smtp.mailhostbox.com 208.91.199.225, 49720, 587 PUBLIC-DOMAIN-REGISTRYUS United States 12->31 49 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->49 51 Tries to steal Mail credentials (via file access) 12->51 53 Tries to harvest and steal ftp login credentials 12->53 55 Tries to harvest and steal browser information (history, passwords, etc) 12->55 57 Drops VBS files to the startup folder 16->57 59 Delayed program exit found 16->59 61 Writes to foreign memory regions 18->61 63 Allocates memory in foreign processes 18->63 65 Maps a DLL or memory area into another process 18->65 20 notepad.exe 1 18->20         started        23 jkw91U4wd3.exe 18->23         started        25 conhost.exe 18->25         started        signatures7 process8 file9 27 C:\Users\user\AppData\...\Pvilion child.vbs, ASCII 20->27 dropped
Threat name:
Win32.Infostealer.Fareit
Status:
Malicious
First seen:
2020-11-03 23:03:07 UTC
AV detection:
28 of 29 (96.55%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan upx
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Drops startup file
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
UPX packed file
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
498a82ce3b34b5db478f98574a168fa0bc53d389e50463cb0a8b76bb5b4314d5
MD5 hash:
a81071d27876ccc332ee2fddc04a792e
SHA1 hash:
228442f3465da66d2d8a13a955da54d3cd075f25
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:AgentTesla_extracted_bin
Author:James_inthe_box
Description:AgentTesla extracted
Rule name:AgentTesla_mod_tough_bin
Author:James_inthe_box
Reference:https://app.any.run/tasks/3b5d409c-978b-4a95-a5f1-399f0216873d/
Rule name:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_v1
Author:Johannes Bader @viql
Description:detects Agent Tesla
Rule name:win_agent_tesla_w1
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information


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

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