MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4402c1d98c560ccbc78a153b5ca6dfb0a236429b84d7314782122a9ed4bfe432. 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: 18


Intelligence 18 IOCs YARA 7 File information Comments

SHA256 hash: 4402c1d98c560ccbc78a153b5ca6dfb0a236429b84d7314782122a9ed4bfe432
SHA3-384 hash: 8c1b0314cbe8fddbeb69e38e042a0013eaa11b6583778e494310f04f294fa27d22d878e874aef9d78593a886caa5d68b
SHA1 hash: 18395f030ea9358f8f7fe524038c9aaa679d255d
MD5 hash: 985e189b92f9058d73288eff1e5942b0
humanhash: fifteen-winner-item-network
File name:Hwyjajrjz.exe
Download: download sample
Signature AgentTesla
File size:1'035'776 bytes
First seen:2023-09-04 09:34:38 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 24576:cVC15XcimkkIrwOylA/AIQpPui6llWWF5Y:uimSt3/A3N6Lh6
Threatray 5'563 similar samples on MalwareBazaar
TLSH T13B25BF7063B7CB39E499E076E860D40C5FBDE316B5D3E3061C45AAD24607F9128BA6B3
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 lowmal3
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
305
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
Hwyjajrjz.exe
Verdict:
Malicious activity
Analysis date:
2023-09-04 09:35:25 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
Creating a window
Creating a file in the %AppData% directory
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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:
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: 1302788 Sample: Hwyjajrjz.exe Startdate: 04/09/2023 Architecture: WINDOWS Score: 100 46 tse1.mm.bing.net 2->46 48 Snort IDS alert for network traffic 2->48 50 Found malware configuration 2->50 52 Antivirus / Scanner detection for submitted sample 2->52 54 9 other signatures 2->54 7 Hwyjajrjz.exe 1 5 2->7         started        11 Ymcbsfd.exe 5 2->11         started        13 Ymcbsfd.exe 2->13         started        15 2 other processes 2->15 signatures3 process4 file5 32 C:\Users\user\AppData\Roaming\Ymcbsfd.exe, PE32 7->32 dropped 70 Creates multiple autostart registry keys 7->70 72 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->72 74 Writes to foreign memory regions 7->74 17 MSBuild.exe 17 4 7->17         started        76 Antivirus detection for dropped file 11->76 78 Multi AV Scanner detection for dropped file 11->78 80 Machine Learning detection for dropped file 11->80 22 MSBuild.exe 3 11->22         started        82 Injects a PE file into a foreign processes 13->82 24 MSBuild.exe 13->24         started        26 conhost.exe 15->26         started        28 conhost.exe 15->28         started        signatures6 process7 dnsIp8 34 mail.parivartansandeshfoundation.com 184.168.111.8, 49703, 49706, 49708 AS-26496-GO-DADDY-COM-LLCUS United States 17->34 36 api4.ipify.org 173.231.16.76, 443, 49702, 49704 WEBNXUS United States 17->36 38 api.ipify.org 17->38 30 C:\Users\user\AppData\Roaming\...bJgI.exe, PE32 17->30 dropped 56 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->56 58 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 17->58 60 May check the online IP address of the machine 17->60 62 Creates multiple autostart registry keys 17->62 40 api.ipify.org 22->40 42 192.168.2.1 unknown unknown 24->42 44 api.ipify.org 24->44 64 Tries to steal Mail credentials (via file / registry access) 24->64 66 Tries to harvest and steal browser information (history, passwords, etc) 24->66 68 Hides that the sample has been downloaded from the Internet (zone.identifier) 24->68 file9 signatures10
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2023-08-19 06:58:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
19 of 24 (79.17%)
Threat level:
  2/5
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:
3756070ac5c27d807ba0694d157425ad51ae2453831faf8d816802c30570b810
MD5 hash:
f8b5f321f41b11d8614e72b79dd4511b
SHA1 hash:
fb93ade63d56ecd1c9e338abc3e06de41a4d170f
SH256 hash:
19efdf03cb94895935225795f68bb9abfded1869687367013b8b4eee3cc99372
MD5 hash:
4e29f75c0c51b9dec76955f0382d9541
SHA1 hash:
4899aa8e3f57339cbaec8faab777897a76fe1c3a
SH256 hash:
144ad182c5d985afae567952cd449f297621d6bd29854afb5a93a44ae1dd2adf
MD5 hash:
8d88457cdb35618803a0606494d39ce5
SHA1 hash:
35d9ffeecec92b42e10a0ebd210451950b6375de
SH256 hash:
4402c1d98c560ccbc78a153b5ca6dfb0a236429b84d7314782122a9ed4bfe432
MD5 hash:
985e189b92f9058d73288eff1e5942b0
SHA1 hash:
18395f030ea9358f8f7fe524038c9aaa679d255d
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: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_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 4402c1d98c560ccbc78a153b5ca6dfb0a236429b84d7314782122a9ed4bfe432

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments