MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f77323ca44e9fdb70ea05be1bc7814ed7ae78be087363619a2f6bef4bb9bff9. 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 2 File information Comments

SHA256 hash: 3f77323ca44e9fdb70ea05be1bc7814ed7ae78be087363619a2f6bef4bb9bff9
SHA3-384 hash: 7e69d6d58e225afcec1216ab7967d6ab62205a81f6772c08029fa9de9a3098856bc143048f8a28fb023541dba3f9d887
SHA1 hash: e164b60e1bcc721198fea251f312712ad2d6808c
MD5 hash: 5df938850b621ec1b54fd646b1076b26
humanhash: uranus-delta-single-maryland
File name:QUOTATION.exe
Download: download sample
Signature AgentTesla
File size:768'512 bytes
First seen:2022-10-18 17:54:51 UTC
Last seen:2022-10-19 07:24:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'614 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:/AyTM2H5zdr5qN2YteKIt2LLeVpnnwP2OWNrkk:N/C7tIeiD62OWNrkk
Threatray 19'458 similar samples on MalwareBazaar
TLSH T1F9F48EFD2670CA7AD539BC7AC8A10480CBD05C9B0FA8F70D3DE9147D58A944AD72D89E
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 64ecd4f0e0f8d4c4 (13 x AgentTesla, 3 x Loki, 2 x AveMariaRAT)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
4
# of downloads :
298
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Searching for the 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
Creating a file
Using the Windows Management Instrumentation requests
Forced shutdown of a system process
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed strictor
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
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
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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)
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 / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 725573 Sample: QUOTATION.exe Startdate: 18/10/2022 Architecture: WINDOWS Score: 100 52 Malicious sample detected (through community Yara rule) 2->52 54 Sigma detected: Scheduled temp file as task from temp location 2->54 56 Multi AV Scanner detection for submitted file 2->56 58 6 other signatures 2->58 7 QUOTATION.exe 6 2->7         started        11 ChoyNvaraab.exe 5 2->11         started        13 KFWOdr.exe 2 2->13         started        15 KFWOdr.exe 1 2->15         started        process3 file4 40 C:\Users\user\AppData\...\ChoyNvaraab.exe, PE32 7->40 dropped 42 C:\Users\user\AppData\Local\...\tmp72E5.tmp, XML 7->42 dropped 44 C:\Users\user\AppData\...\QUOTATION.exe.log, ASCII 7->44 dropped 74 Uses schtasks.exe or at.exe to add and modify task schedules 7->74 76 Writes to foreign memory regions 7->76 78 Injects a PE file into a foreign processes 7->78 17 RegSvcs.exe 2 4 7->17         started        22 schtasks.exe 1 7->22         started        80 Multi AV Scanner detection for dropped file 11->80 82 Machine Learning detection for dropped file 11->82 24 RegSvcs.exe 11->24         started        26 schtasks.exe 1 11->26         started        28 conhost.exe 13->28         started        30 conhost.exe 15->30         started        signatures5 process6 dnsIp7 46 mail.kidobd.com 17->46 48 kidobd.com 88.198.58.26, 587 HETZNER-ASDE Germany 17->48 36 C:\Users\user\AppData\Roaming\...\KFWOdr.exe, PE32 17->36 dropped 38 C:\Windows\System32\drivers\etc\hosts, ASCII 17->38 dropped 60 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->60 62 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 17->62 64 Tries to steal Mail credentials (via file / registry access) 17->64 72 2 other signatures 17->72 32 conhost.exe 22->32         started        50 mail.kidobd.com 24->50 66 Tries to harvest and steal ftp login credentials 24->66 68 Tries to harvest and steal browser information (history, passwords, etc) 24->68 70 Hides that the sample has been downloaded from the Internet (zone.identifier) 24->70 34 conhost.exe 26->34         started        file8 signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-10-18 02:45:55 UTC
File Type:
PE (.Net Exe)
Extracted files:
38
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
Drops file in Drivers directory
AgentTesla
Gathering data
Unpacked files
SH256 hash:
b35d69e2ca4c7e10b136174e4e95b32f2b7a82c80ac3b9c417267beade34f462
MD5 hash:
d194f057f6c48c363b080c60081c3407
SHA1 hash:
b7434a54f44b0a82819690bb19cec72b9ece17bc
SH256 hash:
4f80ddfe49b270f801ab44aa899153bbe2a0fb93abed0f9fc992f74ff6ab4fde
MD5 hash:
f4ba8570299eabf8fe2d02cc1dc0606a
SHA1 hash:
5d7add32313074f5a1e9b4ab379298dee8b6217e
SH256 hash:
4121027892a11702f307bc234dffce2527e3e1234b0a302fc3b165ec969be978
MD5 hash:
97c21a0b1ad18750a2ab0dcbd9909897
SHA1 hash:
02f0b4eba0cf79209f4061e9e6e2f62722942292
SH256 hash:
3f77323ca44e9fdb70ea05be1bc7814ed7ae78be087363619a2f6bef4bb9bff9
MD5 hash:
5df938850b621ec1b54fd646b1076b26
SHA1 hash:
e164b60e1bcc721198fea251f312712ad2d6808c
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:pe_imphash
Rule name:Skystars_Malware_Imphash
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

Executable exe 3f77323ca44e9fdb70ea05be1bc7814ed7ae78be087363619a2f6bef4bb9bff9

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments