MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7ed42f7ef1538a1e13b685f37ed0b2995fdd7151af2a5ae97c68112bb244ef8d. 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 6 File information Comments

SHA256 hash: 7ed42f7ef1538a1e13b685f37ed0b2995fdd7151af2a5ae97c68112bb244ef8d
SHA3-384 hash: 03ffd6de590ef94fae53336e76dc6c6286f8e25794b35d7f192461d6ccb02729c23c6c780347a23d9de985a5a9229794
SHA1 hash: be59e758877ff808e461807b156008cef670ebf1
MD5 hash: 642e9540fdb40b32b9400c015ab9de7f
humanhash: sodium-green-mountain-robert
File name:642e9540fdb40b32b9400c015ab9de7f.exe
Download: download sample
Signature AgentTesla
File size:988'160 bytes
First seen:2020-10-12 18:58:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:NAmy5fy2AJC/NSFM1yyvrSsTP8bN6taHjxCPR+d:NAmyE+NSFMQIrSsLoN6YD8P
Threatray 10'570 similar samples on MalwareBazaar
TLSH 9D25235CAB9CEF0ACA7FC1B5BE751A69DA31C28BB412D3D30984D1E80716794CE216D3
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
115
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Using the Windows Management Instrumentation requests
Creating a file
Reading critical registry keys
Stealing user critical data
Unauthorized injection to a system process
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
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)
Sigma detected: RegAsm connects to smtp port
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: 296852 Sample: IRj5WcSsYr.exe Startdate: 12/10/2020 Architecture: WINDOWS Score: 100 26 Found malware configuration 2->26 28 Multi AV Scanner detection for submitted file 2->28 30 Sigma detected: RegAsm connects to smtp port 2->30 32 2 other signatures 2->32 7 IRj5WcSsYr.exe 1 2->7         started        process3 signatures4 42 Writes to foreign memory regions 7->42 44 Maps a DLL or memory area into another process 7->44 10 IRj5WcSsYr.exe 7->10         started        13 RegAsm.exe 2 7->13         started        16 RegAsm.exe 7->16         started        process5 dnsIp6 46 Writes to foreign memory regions 10->46 48 Maps a DLL or memory area into another process 10->48 18 RegAsm.exe 2 10->18         started        24 us2.smtp.mailhostbox.com 208.91.199.224, 49731, 49743, 587 PUBLIC-DOMAIN-REGISTRYUS United States 13->24 50 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->50 52 Tries to steal Mail credentials (via file access) 13->52 54 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 16->54 56 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 16->56 signatures7 process8 dnsIp9 22 us2.smtp.mailhostbox.com 18->22 34 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->34 36 Tries to steal Mail credentials (via file access) 18->36 38 Tries to harvest and steal ftp login credentials 18->38 40 Tries to harvest and steal browser information (history, passwords, etc) 18->40 signatures10
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Status:
Malicious
First seen:
2020-10-12 19:00:10 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
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:
7ed42f7ef1538a1e13b685f37ed0b2995fdd7151af2a5ae97c68112bb244ef8d
MD5 hash:
642e9540fdb40b32b9400c015ab9de7f
SHA1 hash:
be59e758877ff808e461807b156008cef670ebf1
SH256 hash:
3936c5de7e5fb184ab07c9f9a8b28ed7d759de20195c860fbe0e6e27dcc17de2
MD5 hash:
f1630903d28baf0e6bec4bd6cf67fd03
SHA1 hash:
9c95c5b16dd53833baaa2e75fcde5e151984e3c4
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.

Web download

AgentTesla

Executable exe 7ed42f7ef1538a1e13b685f37ed0b2995fdd7151af2a5ae97c68112bb244ef8d

(this sample)

  
Delivery method
Distributed via web download

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