MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66b937415f742bca65872360ab21371f8c569a9ca164f345a7c7286361a83b57. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 66b937415f742bca65872360ab21371f8c569a9ca164f345a7c7286361a83b57
SHA3-384 hash: 4124f2dc42b73f421985ffee8a370a2ad0fd10063501d9cefcdc156d0fd43451cdc7bc868627de365e7569b56e5b1aff
SHA1 hash: 59c12343551ab85a309e6bcc2c161641cad296bd
MD5 hash: e6e6d3134eaa84bb22b43f2278f101e8
humanhash: india-alaska-pip-missouri
File name:MT103-06022021987636472-PDF.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'705'472 bytes
First seen:2021-06-03 08:22:40 UTC
Last seen:2021-06-03 14:09:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 24576:bKxSb0lvnNv8orLtc220tCap4J1pV698HbH2RepF8F54dqu/xE8AKjA:bKxSb0lvN0o33dp4J1poO2Oc6dh/xE8
Threatray 5'642 similar samples on MalwareBazaar
TLSH 9E85B49AB95DAEB4F18987778DDB7819437C41FA12012F778F7299483E33342963C84A
Reporter cocaman
Tags:AgentTesla exe HSBC

Intelligence

File Origin
# of uploads :
5
# of downloads :
147
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
MT103-06022021987636472-PDF.exe
Verdict:
Malicious activity
Analysis date:
2021-06-03 08:26:08 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/2b643f8f-0b64-4a2d-8f98-2718ebfb42c3

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/164315/
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Creating a window
Sending a UDP request
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
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/796517
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large array initializations
Found malware configuration
Installs a global keyboard hook
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 428913 Sample: MT103-06022021987636472-PDF.exe Startdate: 03/06/2021 Architecture: WINDOWS Score: 100 31 Found malware configuration 2->31 33 Multi AV Scanner detection for dropped file 2->33 35 Multi AV Scanner detection for submitted file 2->35 37 8 other signatures 2->37 7 MT103-06022021987636472-PDF.exe 7 2->7         started        process3 file4 19 C:\Users\user\AppData\Roaming\QzfTOQc.exe, PE32 7->19 dropped 21 C:\Users\user\...\QzfTOQc.exe:Zone.Identifier, ASCII 7->21 dropped 23 C:\Users\user\AppData\Local\...\tmpF0EF.tmp, XML 7->23 dropped 25 C:\...\MT103-06022021987636472-PDF.exe.log, ASCII 7->25 dropped 39 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->39 41 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->41 43 Uses schtasks.exe or at.exe to add and modify task schedules 7->43 11 MT103-06022021987636472-PDF.exe 2 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 27 fanosethiopiatours.com 50.87.153.103, 49748, 587 UNIFIEDLAYER-AS-1US United States 11->27 29 mail.fanosethiopiatours.com 11->29 45 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->45 47 Tries to steal Mail credentials (via file access) 11->47 49 Tries to harvest and steal ftp login credentials 11->49 51 2 other signatures 11->51 17 conhost.exe 15->17         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/66b937415f742bca65872360ab21371f8c569a9ca164f345a7c7286361a83b57/
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-06-03 01:26:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
7 of 29 (24.14%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=m24toqk7oqv4uzmhenqkwijxd6gfngu4ufspgrnhy4uggynihnlq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
17da3f513b6a83f9514ae00e934257ff56623d438002fb8caa2735348d8cee7c
AgentTesla
2d2996c0344c2ed157f9affb6468c803dc196b519574c945c8fe40e445418030
AgentTesla
8dc64c2876b1b1182e6f28cf85ddae49b5a3e8851bfcdf257a8c9e9e1a044413
AgentTesla
8dcb12784fdf2df04a382bd290c0a8bcd420c2c81ffda3f7d9882cb271e3f0e7
AgentTesla
8f75c88c3376308b7053698d849a6f228cd9ebde1fec893fa850d4fa9e9ac25a
AgentTesla
991385089fc81b1c12c749cd0ce2fcfe7e43393eb3b1fc673420dbf4abd553a6
AgentTesla
9bad59a7b2c604957e6dc7f52dbebcaf6b240eba426bdd2e973625cdd6c50c50
AgentTesla
a51bd84d3facb55aaa7d351f79a6383f50b362c48a7abf373675aedd13aa9770
AgentTesla
c813f48272b6106bf37619e57fbde62d1edb5fa5772a1a131374ca05685450a7
AgentTesla
d3083455681d65c6d3d151874554ad31b053ea89daa743f09ad2128e978999dc
AgentTesla
+ 5'632 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/210603-aswlq1kqjx/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
1e7c66f6da06a0ea81371fb98d0e76424a600518b808140279c7ba8e06541ac5
MD5 hash:
8fe0389e4b903545421e42b628186cd2
SHA1 hash:
f6adc3d1a4ac995fad2a49474243d896b0236c2b
Link:
https://www.unpac.me/results/9ec65ac8-31f5-4df1-bb0b-7054146bc5f6/
SH256 hash:
66b937415f742bca65872360ab21371f8c569a9ca164f345a7c7286361a83b57
MD5 hash:
e6e6d3134eaa84bb22b43f2278f101e8
SHA1 hash:
59c12343551ab85a309e6bcc2c161641cad296bd
Link:
https://www.unpac.me/results/9ec65ac8-31f5-4df1-bb0b-7054146bc5f6/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/66b937415f742bca65872360ab21371f8c569a9ca164f345a7c7286361a83b57

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

AgentTesla

zip 6e362240f8c0314c8c10319312b7abe77fd4821f5ace2b8e2837e07c86f3ab75

AgentTesla

Executable exe 66b937415f742bca65872360ab21371f8c569a9ca164f345a7c7286361a83b57

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 6e362240f8c0314c8c10319312b7abe77fd4821f5ace2b8e2837e07c86f3ab75
Cape
Cape
https://www.capesandbox.com/analysis/164315/

Comments