MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9d1257335a482231b0cba62949e5470f23130dd0449453ffcecb0c3879d80b24. 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 7 File information Comments

SHA256 hash: 9d1257335a482231b0cba62949e5470f23130dd0449453ffcecb0c3879d80b24
SHA3-384 hash: 82da0e1de3e2260d7d2061ec567aa143ea71fccb72f095af770d1f630c3c7a539b61df0b5c84fad9e7967349233402c1
SHA1 hash: d8f5f9b13b237a00d11de725b1d9ae4258b20bc4
MD5 hash: 5b465e6d6bb532a34569c0e275a63ac1
humanhash: vegan-bacon-monkey-salami
File name:5b465e6d6bb532a34569c0e275a63ac1.exe
Download: download sample
Signature AgentTesla
File size:550'912 bytes
First seen:2021-09-22 12:08:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:doU3mtiK5oBKIe7SieZn9zzOSo4gIV3d:Z+FoBKn7O93o4gA
Threatray 10'142 similar samples on MalwareBazaar
TLSH T191C41235D338927CCE6DD7BE103218050BB5D1CAA723DBBAAAC2B18E7C1A7956105CB5
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
us2.smtp.mailhostbox.com:587

Intelligence


File Origin
# of uploads :
1
# of downloads :
167
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
5b465e6d6bb532a34569c0e275a63ac1.exe
Verdict:
Suspicious activity
Analysis date:
2021-09-22 12:20:54 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
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)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 488457 Sample: Cv4ms60aUz.exe Startdate: 22/09/2021 Architecture: WINDOWS Score: 100 45 Found malware configuration 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 Yara detected AgentTesla 2->49 51 4 other signatures 2->51 6 Cv4ms60aUz.exe 3 2->6         started        10 nwlrFL.exe 3 2->10         started        12 nwlrFL.exe 2 2->12         started        process3 file4 29 C:\Users\user\AppData\...\Cv4ms60aUz.exe.log, ASCII 6->29 dropped 53 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->53 55 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->55 57 Injects a PE file into a foreign processes 6->57 14 Cv4ms60aUz.exe 2 5 6->14         started        59 Multi AV Scanner detection for dropped file 10->59 61 Machine Learning detection for dropped file 10->61 19 nwlrFL.exe 2 10->19         started        21 nwlrFL.exe 10->21         started        23 nwlrFL.exe 10->23         started        27 2 other processes 10->27 25 nwlrFL.exe 2 12->25         started        signatures5 process6 dnsIp7 35 us2.smtp.mailhostbox.com 208.91.198.143, 49824, 587 PUBLIC-DOMAIN-REGISTRYUS United States 14->35 31 C:\Users\user\AppData\Roaming\...\nwlrFL.exe, PE32 14->31 dropped 33 C:\Users\user\...\nwlrFL.exe:Zone.Identifier, ASCII 14->33 dropped 37 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->37 39 Tries to steal Mail credentials (via file access) 14->39 41 Tries to harvest and steal ftp login credentials 14->41 43 2 other signatures 14->43 file8 signatures9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-09-22 12:09:12 UTC
AV detection:
16 of 28 (57.14%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
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
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
a8b56fadf11d992301296017699cdfa1120615607e0b65ab33ad1fd83fae4de7
MD5 hash:
c1aa60c6843606c84cc62b4feff81c3a
SHA1 hash:
ce0a58f0e15dc6b15f457eb13e4dc633ef2a181d
SH256 hash:
cac8b347040a359c02ae5e658d3d76230c7dd7eb33505605ed0b9bc49ff268c7
MD5 hash:
71a894ff252c767b80d65ab1e54fda2b
SHA1 hash:
bcc4ff628585ca28b8b0f2c30e63049b910d4d49
SH256 hash:
33b1b4144d7a3ee61f58604568205a169c7d9a8b38e9ca6713bdf1fd572d7658
MD5 hash:
1d186d752b05e2bc90314500f1633509
SHA1 hash:
b42cc59dddd1f5b547c9473730f3017b238f554b
SH256 hash:
1f825a41bcbfe58273cf437de9c1510352f974128107d1ccbe58fe1fc5a9d61f
MD5 hash:
23079265b962c4e8c8afaf5293d78f5f
SHA1 hash:
6534e7117df67ba5a631515e1f5afc5fd0f51048
SH256 hash:
9d1257335a482231b0cba62949e5470f23130dd0449453ffcecb0c3879d80b24
MD5 hash:
5b465e6d6bb532a34569c0e275a63ac1
SHA1 hash:
d8f5f9b13b237a00d11de725b1d9ae4258b20bc4
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:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
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.

Web download

AgentTesla

Executable exe 9d1257335a482231b0cba62949e5470f23130dd0449453ffcecb0c3879d80b24

(this sample)

  
Delivery method
Distributed via web download

Comments