MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bfadfb761d44021eb935ec613326ee43d659786c8c5127a44191756cbf7c5546. 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: 9


Intelligence 9 IOCs YARA 5 File information Comments

SHA256 hash: bfadfb761d44021eb935ec613326ee43d659786c8c5127a44191756cbf7c5546
SHA3-384 hash: 35b6c6d0912f118536ffb91e019d07ec6a5df128880e8b68e0f926435c4921ea1cb37cc3b80af573d28c66519015e7d7
SHA1 hash: 9e286932d933b6a5a303093ae5dfe5d9a2f5d331
MD5 hash: 378ad04ea9867662eb5fc237b882d4fe
humanhash: ten-river-sierra-bluebird
File name:1092991(JB#082).exe
Download: download sample
Signature AgentTesla
File size:348'899 bytes
First seen:2021-06-01 13:30:18 UTC
Last seen:2021-06-01 17:41:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 6144:8Qq+jQjvczRdkMGfRBityZqMTUrCK7I9BBI8POc1aADk+Mmyj8NOQp:TC0zR1GJBOCqMTvQIuQfDRdyahp
Threatray 1'659 similar samples on MalwareBazaar
TLSH A574236C32C0747AC64391710CB66765EFF2C31D8768A62727E85F3E1CD59A38A2C653
Reporter cocaman
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
4
# of downloads :
189
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
378ad04ea9867662eb5fc237b882d4fe.zip
Verdict:
No threats detected
Analysis date:
2021-06-01 12:52:39 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:
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 very large array initializations
Creates multiple autostart registry keys
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Maps a DLL or memory area into another process
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 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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 427705 Sample: 1092991(JB#082).exe Startdate: 01/06/2021 Architecture: WINDOWS Score: 100 30 wasstech.com 2->30 42 Found malware configuration 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 Yara detected AgentTesla 2->46 48 3 other signatures 2->48 7 1092991(JB#082).exe 1 21 2->7         started        11 rcxxpuyuclk.exe 17 2->11         started        13 rcxxpuyuclk.exe 15 2->13         started        signatures3 process4 file5 24 C:\Users\user\AppData\...\rcxxpuyuclk.exe, PE32 7->24 dropped 26 C:\Users\user\AppData\Local\...\System.dll, PE32 7->26 dropped 50 Detected unpacking (changes PE section rights) 7->50 52 Detected unpacking (creates a PE file in dynamic memory) 7->52 54 Detected unpacking (overwrites its own PE header) 7->54 62 3 other signatures 7->62 15 1092991(JB#082).exe 2 3 7->15         started        28 C:\Users\user\AppData\Local\...\System.dll, PE32 11->28 dropped 56 Multi AV Scanner detection for dropped file 11->56 58 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->58 60 Machine Learning detection for dropped file 11->60 19 rcxxpuyuclk.exe 2 11->19         started        signatures6 process7 dnsIp8 32 wasstech.com 204.93.196.181, 49771, 49772, 587 SERVERCENTRALUS United States 15->32 34 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->34 36 Tries to steal Mail credentials (via file access) 15->36 38 Creates multiple autostart registry keys 15->38 40 3 other signatures 15->40 22 C:\Windows\System32\drivers\etc\hosts, ASCII 19->22 dropped file9 signatures10
Threat name:
Win32.Trojan.Tnega
Status:
Malicious
First seen:
2021-06-01 13:31:09 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
19 of 29 (65.52%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
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 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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
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 bfadfb761d44021eb935ec613326ee43d659786c8c5127a44191756cbf7c5546

(this sample)

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