MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1df1597314ab01b00a84f5a025cb5112828d20fbc59dd3098fcb45fb88534661. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1df1597314ab01b00a84f5a025cb5112828d20fbc59dd3098fcb45fb88534661
SHA3-384 hash: 4202bd0920a7d68d7bfc4a17b5e3a79fa758e259440d8fa39134acae36d1860e9f513f6deaee35530cbe9c06e71a24ad
SHA1 hash: c56332d8c17c6aa873dbf177c44472409628ae05
MD5 hash: cdf5b175db3a7b60a0734daf15364717
humanhash: six-lamp-green-apart
File name:INVOICE.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:608'256 bytes
First seen:2020-08-31 10:48:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:ZezwXEXhYukdKxUwpE7afjf3laW9YxBnt2hJBo5AXDsY+zHLDiDC60hp7o6T+oN5:YpYukA3E+73laW9otViDsYw
Threatray 9'807 similar samples on MalwareBazaar
TLSH 5CD4123026FC4F6BD7F21EFA405D3899A3B168A18C4DD68F78D132D617B67A98315A03
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: idrsystem.co.kr
Sending IP: 95.211.208.25
From: mkhong@idrsystem.co.kr
Subject: [EXTERNAL] Outstanding Invoice Theory
Attachment: INVOICE.iso (contains "INVOICE.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
87
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/53415/
Detection(s):
SecuriteInfo.com.W32.Trojan-7.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
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
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/455276
Signature
.NET source code contains potential unpacker
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
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
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 280014 Sample: INVOICE.exe Startdate: 31/08/2020 Architecture: WINDOWS Score: 100 62 Found malware configuration 2->62 64 Multi AV Scanner detection for dropped file 2->64 66 Sigma detected: Scheduled temp file as task from temp location 2->66 68 7 other signatures 2->68 7 INVOICE.exe 4 2->7         started        11 xxspw.exe 3 2->11         started        13 xxspw.exe 2 2->13         started        process3 file4 44 C:\Users\user\AppData\Roaming\AtVXDrAK.exe, PE32 7->44 dropped 46 C:\Users\user\AppData\Local\...\tmp4E8E.tmp, XML 7->46 dropped 48 C:\Users\user\AppData\...\INVOICE.exe.log, ASCII 7->48 dropped 70 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->70 72 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->72 74 Injects a PE file into a foreign processes 7->74 15 INVOICE.exe 2 5 7->15         started        20 schtasks.exe 1 7->20         started        22 INVOICE.exe 7->22         started        76 Multi AV Scanner detection for dropped file 11->76 24 xxspw.exe 2 11->24         started        26 schtasks.exe 1 11->26         started        28 xxspw.exe 11->28         started        30 schtasks.exe 13->30         started        32 xxspw.exe 13->32         started        signatures5 process6 dnsIp7 50 mail.grandtours.gr 95.216.7.161, 49725, 49737, 587 HETZNER-ASDE Germany 15->50 40 C:\Users\user\AppData\Roaming\...\xxspw.exe, PE32 15->40 dropped 42 C:\Users\user\...\xxspw.exe:Zone.Identifier, ASCII 15->42 dropped 52 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->52 34 conhost.exe 20->34         started        54 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 24->54 56 Tries to steal Mail credentials (via file access) 24->56 58 Tries to harvest and steal ftp login credentials 24->58 60 Tries to harvest and steal browser information (history, passwords, etc) 24->60 36 conhost.exe 26->36         started        38 conhost.exe 30->38         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1df1597314ab01b00a84f5a025cb5112828d20fbc59dd3098fcb45fb88534661/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-08-31 03:08:37 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dxyvs4yuvma3acue6wqcls2rckbi2ih3ywo5gcmpznc7xcctizqq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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+ 9'797 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla persistence
Link:
https://tria.ge/reports/200831-ytncx2yzk6/
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
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/1df1597314ab01b00a84f5a025cb5112828d20fbc59dd3098fcb45fb88534661

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_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Create hunting rule
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.

Malspam

AgentTesla

iso 12a9296bbae006899ed14d94a52cdd92853798ae302b83ba57375642e53f2929

AgentTesla

Executable exe 1df1597314ab01b00a84f5a025cb5112828d20fbc59dd3098fcb45fb88534661

(this sample)

  
Dropped by
MD5 abb5e57d3065709c03973c9f31441a0a
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 12a9296bbae006899ed14d94a52cdd92853798ae302b83ba57375642e53f2929
Cape
Cape
https://www.capesandbox.com/analysis/53415/

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