MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d586099dd209b92c47190ee099d0f3c61ea3835815d70347b3974e59a2670ac6. 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: 17


Intelligence 17 IOCs YARA 6 File information Comments

SHA256 hash: d586099dd209b92c47190ee099d0f3c61ea3835815d70347b3974e59a2670ac6
SHA3-384 hash: 52a3cab7f237d0e013edba4d02f810d8b9b3a3ba3c781f1c244981071bcef14ba4e48ea8b4609b7ae3c6c869b78c6ae8
SHA1 hash: c17f8eb8fb44b873bb36b3a7c6b43dfb64dabe06
MD5 hash: 650a1d674bc1631af9bb264a69a8060e
humanhash: michigan-social-timing-edward
File name:SecuriteInfo.com.IL.Trojan.MSILZilla.28600.20069.28020
Download: download sample
Signature AgentTesla
File size:810'496 bytes
First seen:2023-08-31 12:35:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:8vcoCzQGCRAr8TC2MyrqB/BNFqj9g8NN:8vcoIQPRnC2MyrkBNIj95
Threatray 5'677 similar samples on MalwareBazaar
TLSH T1B40523A1AB1003EADB11DB7DA4605C815FF8C13799F3ADAFB985248C11282DC2EFF156
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 SecuriteInfoCom
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
294
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
SecuriteInfo.com.IL.Trojan.MSILZilla.28600.20069.28020
Verdict:
Malicious activity
Analysis date:
2023-08-31 12:38:24 UTC
Tags:
agenttesla stealer

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

Behaviour
Sending a custom TCP request
Creating a file in the %AppData% directory
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Creating a window
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:
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:
spre.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Creates multiple autostart registry keys
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
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
Sigma detected: MSBuild connects to smtp port
Snort IDS alert for network traffic
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)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1301029 Sample: SecuriteInfo.com.IL.Trojan.... Startdate: 31/08/2023 Architecture: WINDOWS Score: 100 48 tse1.mm.bing.net 2->48 50 Snort IDS alert for network traffic 2->50 52 Found malware configuration 2->52 54 Antivirus / Scanner detection for submitted sample 2->54 56 9 other signatures 2->56 7 SecuriteInfo.com.IL.Trojan.MSILZilla.28600.20069.28020.exe 1 5 2->7         started        11 Vyxequl.exe 5 2->11         started        13 Vyxequl.exe 2->13         started        15 2 other processes 2->15 signatures3 process4 file5 34 C:\Users\user\AppData\Roaming\Vyxequl.exe, PE32 7->34 dropped 72 Creates multiple autostart registry keys 7->72 74 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->74 76 Writes to foreign memory regions 7->76 17 MSBuild.exe 17 4 7->17         started        22 BackgroundTransferHost.exe 13 7->22         started        78 Antivirus detection for dropped file 11->78 80 Multi AV Scanner detection for dropped file 11->80 82 Machine Learning detection for dropped file 11->82 24 MSBuild.exe 3 11->24         started        84 Injects a PE file into a foreign processes 13->84 26 MSBuild.exe 13->26         started        28 conhost.exe 15->28         started        30 conhost.exe 15->30         started        signatures6 process7 dnsIp8 36 mail.exceltruea.com 162.241.27.28, 49718, 49720, 49730 UNIFIEDLAYER-AS-1US United States 17->36 38 api4.ipify.org 173.231.16.76, 443, 49717 WEBNXUS United States 17->38 40 api.ipify.org 17->40 32 C:\Users\user\AppData\Roaming\...\wSStSI.exe, PE32 17->32 dropped 58 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->58 60 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 17->60 62 May check the online IP address of the machine 17->62 64 Creates multiple autostart registry keys 17->64 42 104.237.62.212, 443, 49719, 49729 WEBNXUS United States 24->42 44 api.ipify.org 24->44 46 api.ipify.org 26->46 66 Tries to steal Mail credentials (via file / registry access) 26->66 68 Tries to harvest and steal browser information (history, passwords, etc) 26->68 70 Hides that the sample has been downloaded from the Internet (zone.identifier) 26->70 file9 signatures10
Threat name:
ByteCode-MSIL.Trojan.Leonem
Status:
Malicious
First seen:
2023-08-31 09:59:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
25 of 38 (65.79%)
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
Looks up external IP address via web service
AgentTesla
Unpacked files
SH256 hash:
d67e77aa5f5177cc6bed586407903cbf55e948d613866f76fe5c090cd90dc974
MD5 hash:
b59df443c37becf60aef02f135c45a94
SHA1 hash:
7d259f87f625226237b13fdbc3987a7d527670fb
SH256 hash:
311fce5cec67aee7ba400a8ae5e0eb9de64e65f6068ff8daf9b45bb6d202ff31
MD5 hash:
d0a42b8188966fdeb5b1ce3495030b67
SHA1 hash:
780cae61a81189785ac1035295a10b06fa45623d
SH256 hash:
19efdf03cb94895935225795f68bb9abfded1869687367013b8b4eee3cc99372
MD5 hash:
4e29f75c0c51b9dec76955f0382d9541
SHA1 hash:
4899aa8e3f57339cbaec8faab777897a76fe1c3a
SH256 hash:
d586099dd209b92c47190ee099d0f3c61ea3835815d70347b3974e59a2670ac6
MD5 hash:
650a1d674bc1631af9bb264a69a8060e
SHA1 hash:
c17f8eb8fb44b873bb36b3a7c6b43dfb64dabe06
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: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_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.

Comments