MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 71f8edc498c92c37c5c6dffc98969e8cdab7d4f95466163dca68e72d1b1badaf. 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: 16


Intelligence 16 IOCs YARA 5 File information Comments

SHA256 hash: 71f8edc498c92c37c5c6dffc98969e8cdab7d4f95466163dca68e72d1b1badaf
SHA3-384 hash: a59a14584c61ce6b135b40ee61357371c10f6962d57f6e6ac663529f36531359c5996ed5eb05eea90e430147299c6f5a
SHA1 hash: 5409b8e362033e639fa05e5342e28871da7afedc
MD5 hash: 9cd3e39f55ed00acdc0939ab4fa52dc9
humanhash: vegan-eighteen-happy-jig
File name:Gqllegy.exe
Download: download sample
Signature AgentTesla
File size:7'168 bytes
First seen:2023-09-04 11:04:54 UTC
Last seen:2023-09-04 11:49:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 96:X8VIpfzWNiNQP18Q8iK1e374L98hy5Ow/SDPDFivgzNt:XoIpfzDNQPyQ8iCe374LCsQNPMi
Threatray 2'870 similar samples on MalwareBazaar
TLSH T190E1B732A7D89337D9720B33ACA3A3421376F79158D7CB5F6848101A6E533158A937F1
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
280
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
Gqllegy.exe
Verdict:
Malicious activity
Analysis date:
2023-09-04 11:06:57 UTC
Tags:
stealer agenttesla

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a file in the %AppData% directory
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control lolbin packed
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.spyw.evad
Score:
100 / 100
Signature
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
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 Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1302848 Sample: Gqllegy.exe Startdate: 04/09/2023 Architecture: WINDOWS Score: 100 32 tse1.mm.bing.net 2->32 46 Found malware configuration 2->46 48 Yara detected Telegram RAT 2->48 50 Yara detected AgentTesla 2->50 52 5 other signatures 2->52 7 Gqllegy.exe 16 5 2->7         started        12 Bnkccxc.exe 14 5 2->12         started        14 Bnkccxc.exe 4 2->14         started        signatures3 process4 dnsIp5 34 files.catbox.moe 108.181.20.35, 443, 49706, 49733 ASN852CA Canada 7->34 28 C:\Users\user\AppData\Roaming\Bnkccxc.exe, PE32 7->28 dropped 54 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->54 56 Writes to foreign memory regions 7->56 58 Injects a PE file into a foreign processes 7->58 16 MSBuild.exe 14 2 7->16         started        20 MSBuild.exe 7->20         started        22 MSBuild.exe 7->22         started        36 192.168.2.1 unknown unknown 12->36 60 Machine Learning detection for dropped file 12->60 24 MSBuild.exe 12->24         started        26 MSBuild.exe 14->26         started        file6 signatures7 process8 dnsIp9 30 api.telegram.org 149.154.167.220, 443, 49717, 49737 TELEGRAMRU United Kingdom 16->30 38 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 20->38 40 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 26->40 42 Tries to steal Mail credentials (via file / registry access) 26->42 44 Tries to harvest and steal browser information (history, passwords, etc) 26->44 signatures10
Threat name:
ByteCode-MSIL.Trojan.Seraph
Status:
Malicious
First seen:
2023-09-04 11:05:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
13 of 38 (34.21%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot6158579076:AAH5Usu3aBR5_ZtkA3tvZ627pnCgVEFhJW0/
Unpacked files
SH256 hash:
71f8edc498c92c37c5c6dffc98969e8cdab7d4f95466163dca68e72d1b1badaf
MD5 hash:
9cd3e39f55ed00acdc0939ab4fa52dc9
SHA1 hash:
5409b8e362033e639fa05e5342e28871da7afedc
Detections:
PureCrypter_Stage1
Malware family:
AgentTesla.v4
Verdict:
Malicious
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:MSIL_TinyDownloader_Generic
Author:albertzsigovits
Description:Detects small-sized dotNET downloaders
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
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 71f8edc498c92c37c5c6dffc98969e8cdab7d4f95466163dca68e72d1b1badaf

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments