MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f356b2b27976a0b509fff133a75e59f45dd7bb2c2060b2ee98cc122449ce389. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: 3f356b2b27976a0b509fff133a75e59f45dd7bb2c2060b2ee98cc122449ce389
SHA3-384 hash: f764964324d66f79dea8c5c89b1ec115e5a5710c543f114d66f537d42650c0a359e672493f22845f91dfc71cb785dacc
SHA1 hash: 936b077e70424a5bab8df2c0a2d0cdb4e5e28c36
MD5 hash: 50f7dc43d5b9bc45ea9aa35cae8f9e2c
humanhash: nine-black-pizza-don
File name:#03-7627892.exe
Download: download sample
Signature AgentTesla
File size:1'161'728 bytes
First seen:2022-07-12 06:06:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:Cvhm1ges858sCPMszwK7DEZqN8KMRBENBa5CAnRFZlJo09YTTjtGNy/7pKIojjm/:/FB8fz/E8oRBbhR780STfsNaid
Threatray 19'354 similar samples on MalwareBazaar
TLSH T1CD35F1176A34DF92F52D3AF9E8370A445F7E2D728106FB4E8BB0709825B33521E0A5E5
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 f08f080c0c088fb0 (14 x AgentTesla, 5 x GuLoader, 3 x AveMariaRAT)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
253
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
#03-7627892.exe
Verdict:
Malicious activity
Analysis date:
2022-07-12 06:07:36 UTC
Tags:
agenttesla

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

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm 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
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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 / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 661656 Sample: #03-7627892.exe Startdate: 12/07/2022 Architecture: WINDOWS Score: 100 37 Malicious sample detected (through community Yara rule) 2->37 39 Multi AV Scanner detection for dropped file 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 7 other signatures 2->43 7 #03-7627892.exe 12 2->7         started        process3 file4 25 C:\Users\user\AppData\Roaming\WHqpfbE.exe, PE32 7->25 dropped 27 C:\Users\user\...\WHqpfbE.exe:Zone.Identifier, ASCII 7->27 dropped 29 C:\Users\user\AppData\...\isamaory.newcfg, XML 7->29 dropped 31 2 other malicious files 7->31 dropped 45 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->45 47 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->47 49 Uses schtasks.exe or at.exe to add and modify task schedules 7->49 51 2 other signatures 7->51 11 #03-7627892.exe 2 7->11         started        15 powershell.exe 25 7->15         started        17 schtasks.exe 1 7->17         started        19 #03-7627892.exe 7->19         started        signatures5 process6 dnsIp7 33 smtp.yandex.ru 77.88.21.158, 49753, 587 YANDEXRU Russian Federation 11->33 35 smtp.yandex.com 11->35 53 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->53 55 Tries to steal Mail credentials (via file / registry access) 11->55 57 Tries to harvest and steal ftp login credentials 11->57 59 2 other signatures 11->59 21 conhost.exe 15->21         started        23 conhost.exe 17->23         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-07-12 03:04:48 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger 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
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
b13976488d58387b5d72b6ab3acd505641bb8661d7fd83827e71db364a6ff4b6
MD5 hash:
4e2b3ad4ec086892c344d746ad07b82f
SHA1 hash:
c21cf8677bb58062c7bf756e1097163f7b5262e1
SH256 hash:
3f356b2b27976a0b509fff133a75e59f45dd7bb2c2060b2ee98cc122449ce389
MD5 hash:
50f7dc43d5b9bc45ea9aa35cae8f9e2c
SHA1 hash:
936b077e70424a5bab8df2c0a2d0cdb4e5e28c36
Malware family:
AgentTesla.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: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 3f356b2b27976a0b509fff133a75e59f45dd7bb2c2060b2ee98cc122449ce389

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments