MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 497bf18f3fcb0080d21c8f9a98a054bdbcfb7da1fe1c93a28bfdb8b84560b10a. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments

SHA256 hash: 497bf18f3fcb0080d21c8f9a98a054bdbcfb7da1fe1c93a28bfdb8b84560b10a
SHA3-384 hash: 3ced090b502e97e6880fea6563c61459a4e065f6f9d34bdfa84983f22ebde46b848c2d79ec1fd13918dbae29dce40e6b
SHA1 hash: 67a322f8f715f8d5e347efeb5fa25efd98a7b229
MD5 hash: c74873ebdfa9adb3a07c72fedd70ed5c
humanhash: east-artist-fix-uranus
File name:LAM CHUAN.exe
Download: download sample
Signature AgentTesla
File size:757'248 bytes
First seen:2023-12-04 18:54:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:5WBCMtW8G34/uK45+po2aWRl2w63HyYNMpWAOgaNn6b+sZJzHh+gekeFqm6y:ii34/up+pJ3lj63HDNEWAOgen6isZ1He
Threatray 759 similar samples on MalwareBazaar
TLSH T1F2F41266B2B1D72AC8BA43F0EA3E624403B1BD393466E24D5C8735DF1932B426E51F17
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter Anonymous
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
321
Origin country :
CH CH
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
DNS request
Forced shutdown of a system process
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
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
Allocates memory in foreign processes
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
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 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)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-12-04 07:40:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
20 of 37 (54.05%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger 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
AgentTesla
Unpacked files
SH256 hash:
0fed3a3ebd62af85fcee0fb7bc1b60eb6bd8e8831cba2ba6488a8524bb11792d
MD5 hash:
6cf493132c95312e5a0df0ccdbba2dc8
SHA1 hash:
f39c66183162ef6a611bc634fe41f1a64eac57a1
Detections:
AgentTeslaXorStringsNet MSIL_SUSP_OBFUSC_XorStringsNet INDICATOR_EXE_Packed_GEN01
SH256 hash:
dcb83ac82e106ce1e989ce4056aab4b5df060777442d2fec1fd20de4b8b12132
MD5 hash:
7597307f636e5936317b8bd54e73dd61
SHA1 hash:
ae9dc0b9f5bf21d06b91d2d943ef978054a61d15
SH256 hash:
2968fe2da0bc9fbf1cf451705c317911c39d3cd652c03491f708bb8950f9ee21
MD5 hash:
f7addfdb4f93a189e5e54d4c8981a055
SHA1 hash:
2fa16218f2a63370e2b60086e2767e8ec3f69fe4
SH256 hash:
2340d070fc92470913072bab9087c4ed5675a0e8d4c61145553a8aad52a16994
MD5 hash:
0cf35c9e685b649b084dc5d385aaa62b
SHA1 hash:
06ab63a9a595c6ef82206c7388ff6aee4b1adb51
SH256 hash:
497bf18f3fcb0080d21c8f9a98a054bdbcfb7da1fe1c93a28bfdb8b84560b10a
MD5 hash:
c74873ebdfa9adb3a07c72fedd70ed5c
SHA1 hash:
67a322f8f715f8d5e347efeb5fa25efd98a7b229
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:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
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 497bf18f3fcb0080d21c8f9a98a054bdbcfb7da1fe1c93a28bfdb8b84560b10a

(this sample)

  
Delivery method
Distributed via e-mail attachment

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