MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 49c4ccb66851d9f01f95a8c8d0b68110e8e66bfb36cdecc5637de97ab8c08082. 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: 49c4ccb66851d9f01f95a8c8d0b68110e8e66bfb36cdecc5637de97ab8c08082
SHA3-384 hash: 5a6f0411841b5a3d280cf7072ea9a9d8b2a1d54816b53d993a46d88b1862425e5de41d44d0819799d3d763334c6b3232
SHA1 hash: a35bb9b5a57e5b1821b0bfbe33919436a565292b
MD5 hash: f1ce02a0161b6b260bef7b0ddf49412b
humanhash: uniform-butter-four-winter
File name:Invoice.exe
Download: download sample
Signature AgentTesla
File size:712'704 bytes
First seen:2021-01-15 04:37:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:Jkeq8MQGGiL5pqRu3PkRs5WfYNND2Nwx0BlOUYJR7U:Jkeq8xsL5pqRmTeYPa6x0bYJR7
Threatray 6 similar samples on MalwareBazaar
TLSH 5FE4124523FD6F29D9BE13FD16A08008173469AA7623F30C2EE421DB6676B24D691F37
Reporter GovCERT_CH
Tags:AgentTesla

Intelligence


File Origin
# of uploads :
1
# of downloads :
129
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Invoice.exe
Verdict:
Malicious activity
Analysis date:
2021-01-15 04:38:01 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
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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.adwa.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
C2 URLs / IPs found in malware configuration
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
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)
Sigma detected: Scheduled temp file as task from temp location
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 access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 340095 Sample: Invoice.exe Startdate: 15/01/2021 Architecture: WINDOWS Score: 100 60 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->60 62 Found malware configuration 2->62 64 Multi AV Scanner detection for dropped file 2->64 66 12 other signatures 2->66 7 Invoice.exe 6 2->7         started        11 xxtDxM.exe 5 2->11         started        13 xxtDxM.exe 2->13         started        process3 file4 36 C:\Users\user\AppData\Roaming\HJvblDxf.exe, PE32 7->36 dropped 38 C:\Users\user\AppData\Local\...\tmp109F.tmp, XML 7->38 dropped 40 C:\Users\user\AppData\...\Invoice.exe.log, ASCII 7->40 dropped 68 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->68 70 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->70 72 Injects a PE file into a foreign processes 7->72 15 Invoice.exe 2 5 7->15         started        20 schtasks.exe 1 7->20         started        74 Multi AV Scanner detection for dropped file 11->74 76 Machine Learning detection for dropped file 11->76 22 xxtDxM.exe 2 11->22         started        24 schtasks.exe 1 11->24         started        signatures5 process6 dnsIp7 42 smtp.orionfeshion.com 15->42 44 us2.smtp.mailhostbox.com 208.91.199.225, 49740, 49741, 587 PUBLIC-DOMAIN-REGISTRYUS United States 15->44 30 C:\Users\user\AppData\Roaming\...\xxtDxM.exe, PE32 15->30 dropped 32 C:\Users\user\...\xxtDxM.exe:Zone.Identifier, ASCII 15->32 dropped 48 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->48 50 Tries to steal Mail credentials (via file access) 15->50 52 Modifies the hosts file 15->52 54 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->54 26 conhost.exe 20->26         started        46 smtp.orionfeshion.com 22->46 34 C:\Windows\System32\drivers\etc\hosts, ASCII 22->34 dropped 56 Tries to harvest and steal ftp login credentials 22->56 58 Tries to harvest and steal browser information (history, passwords, etc) 22->58 28 conhost.exe 24->28         started        file8 signatures9 process10
Threat name:
Win32.Trojan.Wacatac
Status:
Malicious
First seen:
2021-01-15 01:19:08 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
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Drops file in Drivers directory
AgentTesla
Unpacked files
SH256 hash:
4aaa6b543f5f60c512f88e803cda5a6fa92b8189f03be6ab500706339dfb7acc
MD5 hash:
b2db20e8d0e58cf1bf4cd84a2219284f
SHA1 hash:
81077a3a2c538f3a9e119ebfd8a9596842d269dc
SH256 hash:
64a419709ad219ffc006bda776b650da486d55048d2fa34525f40227da0e5c86
MD5 hash:
88c0ec8398978fa2e4240f02765086ad
SHA1 hash:
5a5c4935b2d70e890c89ad9332365f4f4aa86f3c
SH256 hash:
1da47c3a925bd503c5b1a640c78f35041e8c753e63dca323b5ad69df2f844152
MD5 hash:
1f9280c6a8da0c2cfc9f6777745975fe
SHA1 hash:
1c9449e4db45422186f267a1a4c3ac26629f0046
SH256 hash:
49c4ccb66851d9f01f95a8c8d0b68110e8e66bfb36cdecc5637de97ab8c08082
MD5 hash:
f1ce02a0161b6b260bef7b0ddf49412b
SHA1 hash:
a35bb9b5a57e5b1821b0bfbe33919436a565292b
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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:win_agent_tesla_v1
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information


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

Malspam

AgentTesla

Executable exe 49c4ccb66851d9f01f95a8c8d0b68110e8e66bfb36cdecc5637de97ab8c08082

(this sample)

  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment

Comments