MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 437fad2842908ff611c5f6bb17fd287cb9d4bdda892efba222d3b597988a6731. 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 9 File information Comments

SHA256 hash: 437fad2842908ff611c5f6bb17fd287cb9d4bdda892efba222d3b597988a6731
SHA3-384 hash: 0b8f774fd22e9b6a427acda863eed760951def68bf3778aedcc2adab3e214b70329d2d5dc31725e1310d80c9d833c2fd
SHA1 hash: 0c83ec6ff0e477334abebe81a65366efcac347b7
MD5 hash: 3eadf741c3fae65f7746382ee8673858
humanhash: batman-coffee-white-nebraska
File name:QUOTATION_AUG7FIBA00541·PDF.scr
Download: download sample
Signature AgentTesla
File size:1'226'208 bytes
First seen:2023-08-17 20:20:43 UTC
Last seen:2023-08-18 06:12:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:gX8lLwptJR+b3si3EW4i1sX6yZK17csS7Jz:K2a+DsHi1aZ5sS7N
TLSH T11845F1193AB44232DD11DA3865F29E10C6E7AD6A6BE1DA4838DCB29D0F313BC5F075C6
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 7068ccb0b2b2b2f8 (129 x AgentTesla, 54 x SnakeKeylogger, 28 x AveMariaRAT)
Reporter TeamDreier
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
4
# of downloads :
295
Origin country :
DK DK
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
QUOTATION_AUG7FIBA00541·PDF.scr
Verdict:
Malicious activity
Analysis date:
2023-08-17 20:21:51 UTC
Tags:
stealer agenttesla

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

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a UDP request
Gathering data
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
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
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 steal Mail credentials (via file / registry access)
Uses ipconfig to lookup or modify the Windows network settings
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-08-17 07:23:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
31
AV detection:
15 of 38 (39.47%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
437fad2842908ff611c5f6bb17fd287cb9d4bdda892efba222d3b597988a6731
MD5 hash:
3eadf741c3fae65f7746382ee8673858
SHA1 hash:
0c83ec6ff0e477334abebe81a65366efcac347b7
Malware family:
AgentTesla
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:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
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 437fad2842908ff611c5f6bb17fd287cb9d4bdda892efba222d3b597988a6731

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments