MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6836e1ee6c7e44682e74d3e017a74673e3e815534c9842a7580dd56fb0ae3361. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments

SHA256 hash: 6836e1ee6c7e44682e74d3e017a74673e3e815534c9842a7580dd56fb0ae3361
SHA3-384 hash: 63d07e1875e75bcd60ef4cde255fdcdc3165feacef31c5d51b86420bf37962c7f6aa2f25b5166a50fe509c8d6c096ec5
SHA1 hash: ff31b27e7305c5be23633e78035c5e80f6103cb7
MD5 hash: 88d7ea6e2736afc803defb8db7bb262b
humanhash: kansas-vermont-london-oklahoma
File name:#RFQ 2994849.exe
Download: download sample
Signature AgentTesla
File size:453'632 bytes
First seen:2021-11-16 06:31:17 UTC
Last seen:2021-11-22 14:10:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:A3JSSnamlaR8E2STvL32ukqj0j5uIQpC:oJSSn9lRE2ij3vkqjxIiC
Threatray 13'573 similar samples on MalwareBazaar
TLSH T11BA4D03036DAE609D97B4F320D3550C157B67A67BE05DA1E38C8234C9D63B534B12BAB
Reporter lowmal3
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
4
# of downloads :
101
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Result
Verdict:
UNKNOWN
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.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Found malware configuration
Injects a PE file into a foreign processes
Moves itself to temp directory
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 522587 Sample: #RFQ 2994849.exe Startdate: 16/11/2021 Architecture: WINDOWS Score: 100 33 api.telegram.org 2->33 35 Found malware configuration 2->35 37 Multi AV Scanner detection for dropped file 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 14 other signatures 2->41 8 #RFQ 2994849.exe 7 2->8         started        signatures3 process4 file5 27 C:\Users\user\AppData\Roaming\KiFKUB.exe, PE32 8->27 dropped 29 C:\Users\user\AppData\Local\...\tmp560F.tmp, XML 8->29 dropped 31 C:\Users\user\...\#RFQ 2994849.exe.log, ASCII 8->31 dropped 43 Adds a directory exclusion to Windows Defender 8->43 45 Injects a PE file into a foreign processes 8->45 12 #RFQ 2994849.exe 8->12         started        15 powershell.exe 24 8->15         started        17 powershell.exe 25 8->17         started        19 schtasks.exe 1 8->19         started        signatures6 process7 signatures8 47 Moves itself to temp directory 12->47 21 conhost.exe 15->21         started        23 conhost.exe 17->23         started        25 conhost.exe 19->25         started        process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-11-16 03:04:47 UTC
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection evasion keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
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
Maps connected drives based on registry
Checks BIOS information in registry
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot2030557675:AAF2CRvHF_rfT7tYXz9VN8YUb6kF5qxu_xg/sendDocument
Unpacked files
SH256 hash:
963cad8413468512a2905377ff4d599a6760bbc4c262042e651fd699757269dd
MD5 hash:
b3bc19d52b6aa91e8a9bcb348464b9fd
SHA1 hash:
cddab8bc15588ad549d51d6c6709aa24c63f1f71
SH256 hash:
963cad8413468512a2905377ff4d599a6760bbc4c262042e651fd699757269dd
MD5 hash:
b3bc19d52b6aa91e8a9bcb348464b9fd
SHA1 hash:
cddab8bc15588ad549d51d6c6709aa24c63f1f71
SH256 hash:
86fe170cc6dd3a576807c1192a06ead68bf210f9ccd14f1a81d4f44c2dbcc25f
MD5 hash:
bf5c170790a9378101dbc312303925e3
SHA1 hash:
bddaf21c02ba5cec7c4dfd1b1f289e23714a8ba8
SH256 hash:
7ef3553b1d5a6a75e03858e6d159643f838ac88c6dfe37c6da453eb1dbbf1318
MD5 hash:
64feef2cd34a7f48e1e295129ad7dca2
SHA1 hash:
bd061c30702ee510cba600afeff94661ab652ea5
SH256 hash:
6836e1ee6c7e44682e74d3e017a74673e3e815534c9842a7580dd56fb0ae3361
MD5 hash:
88d7ea6e2736afc803defb8db7bb262b
SHA1 hash:
ff31b27e7305c5be23633e78035c5e80f6103cb7
Malware family:
Agent Tesla v3
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
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 6836e1ee6c7e44682e74d3e017a74673e3e815534c9842a7580dd56fb0ae3361

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments