MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 98d4406e8ee40991fc7008774e833e0b6cf758ffedd7e06023a926a06646591d. 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 6 File information Comments

SHA256 hash: 98d4406e8ee40991fc7008774e833e0b6cf758ffedd7e06023a926a06646591d
SHA3-384 hash: 31d24d420bd6e1cca8c0e49969f112753a251555f6d625cc6339a04d5d3b98a94a098750c434d65341f93453c43bc875
SHA1 hash: 987a1eb11b8f55e8ea42f6a23e144af9f0624b44
MD5 hash: 0d61df769e87fae8d83c001b9c015762
humanhash: mockingbird-asparagus-massachusetts-item
File name:DOCUMENTS.exe
Download: download sample
Signature AgentTesla
File size:633'344 bytes
First seen:2023-04-20 06:47:45 UTC
Last seen:2023-04-26 08:46:38 UTC
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:fdkWzUJGUWdlWGlhVXAhrMDMHKdQhbsFGNQU:loJGUWdpX51QR4Gt
Threatray 308 similar samples on MalwareBazaar
TLSH T147D4E0D86765D792D2743EBC127A20383FB0559BE526D935FD88A0DA3E32FC8194078B
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 :
4
# of downloads :
297
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DOCUMENTS.exe
Verdict:
Malicious activity
Analysis date:
2023-04-20 06:50:19 UTC
Tags:
n/a

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
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
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, zgRAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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 network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Scheduled temp file as task from temp location
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected zgRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 850656 Sample: DOCUMENTS.exe Startdate: 20/04/2023 Architecture: WINDOWS Score: 100 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Sigma detected: Scheduled temp file as task from temp location 2->47 49 6 other signatures 2->49 7 DOCUMENTS.exe 7 2->7         started        11 YSQYnxF.exe 5 2->11         started        process3 file4 33 C:\Users\user\AppData\Roaming\YSQYnxF.exe, PE32 7->33 dropped 35 C:\Users\user\...\YSQYnxF.exe:Zone.Identifier, ASCII 7->35 dropped 37 C:\Users\user\AppData\Local\...\tmp9A0E.tmp, XML 7->37 dropped 39 C:\Users\user\AppData\...\DOCUMENTS.exe.log, ASCII 7->39 dropped 51 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->51 53 Uses schtasks.exe or at.exe to add and modify task schedules 7->53 55 Adds a directory exclusion to Windows Defender 7->55 13 DOCUMENTS.exe 2 7->13         started        17 powershell.exe 21 7->17         started        19 schtasks.exe 1 7->19         started        21 DOCUMENTS.exe 7->21         started        57 Multi AV Scanner detection for dropped file 11->57 59 Machine Learning detection for dropped file 11->59 61 Injects a PE file into a foreign processes 11->61 23 YSQYnxF.exe 2 11->23         started        25 schtasks.exe 1 11->25         started        signatures5 process6 dnsIp7 41 mail.focuzpartsmart.com 162.240.214.202, 49680, 49681, 587 UNIFIEDLAYER-AS-1US United States 13->41 27 conhost.exe 17->27         started        29 conhost.exe 19->29         started        63 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 23->63 65 Tries to steal Mail credentials (via file / registry access) 23->65 67 Tries to harvest and steal browser information (history, passwords, etc) 23->67 31 conhost.exe 25->31         started        signatures8 process9
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 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:
4bc432ecbeb9ab65050a236f3a0a3151d6c37af9425dde6bfe8ebbbfed71b4f4
MD5 hash:
84444c033d7c4b7ec792e718912e4a95
SHA1 hash:
d57319ef87353329428eaff532c65bb32b234900
SH256 hash:
032b1d3ce279d45f40a5f0fe7f3c8bce2fd3a2a7ab3cb5aa5d5c9125a93541cc
MD5 hash:
78b19e78e3392bdf45b0a645c9649338
SHA1 hash:
a2c7388c7f79cef5b5c07c10e3c96b87ebb07b30
SH256 hash:
5e5c8fe4e53980a98b48fe6b19155edf0f0d285ed899c61dbf4f880583ddf1d2
MD5 hash:
b3bbc5461d12f07ea893bf415dfe7c89
SHA1 hash:
40c3156c471d2afe3fd88c7d20cf93e5782e1bd6
SH256 hash:
e5518e76f14e87bcc58a705c6f8f3a686cbffefc0e55985d17a067adfddf3688
MD5 hash:
920a2854e9c183ad2ef7d5543c296d38
SHA1 hash:
2c20da753bdf6f1a46261e2c132dd42f75c94229
SH256 hash:
98d4406e8ee40991fc7008774e833e0b6cf758ffedd7e06023a926a06646591d
MD5 hash:
0d61df769e87fae8d83c001b9c015762
SHA1 hash:
987a1eb11b8f55e8ea42f6a23e144af9f0624b44
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:MSIL_SUSP_OBFUSC_XorStringsNet
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Reference:https://github.com/dr4k0nia/yara-rules
Rule name:msil_susp_obf_xorstringsnet
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
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 98d4406e8ee40991fc7008774e833e0b6cf758ffedd7e06023a926a06646591d

(this sample)

  
Delivery method
Distributed via e-mail attachment

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