MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 822a1f1294b05f1a39ca8d81f466fb6e25baf6bd44ee89b532cc6b987d8089e5. 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 3 File information Comments

SHA256 hash: 822a1f1294b05f1a39ca8d81f466fb6e25baf6bd44ee89b532cc6b987d8089e5
SHA3-384 hash: d192b4b7fd86dd34ec4cf84b3405da39c427607e4d30a15f87ff20ad975a29c1ea8cbb48e81dce28c0ea2e80cea2cace
SHA1 hash: c33c4016ae41645cf851500919164bd41c675bb0
MD5 hash: 4c0eb24ed4e7d6fe6ae6952addf2c8b9
humanhash: shade-wisconsin-fanta-nineteen
File name:New Document.exe
Download: download sample
Signature AgentTesla
File size:875'520 bytes
First seen:2023-09-28 10:55:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:L2iN4yiRJU/WcoOXVk7lRqBuQcZssiWaFai8HaJZS8kfrQ1oi9DE8j:L19FevOq/qDcZviWdi8HaJZ37H9xj
Threatray 5'888 similar samples on MalwareBazaar
TLSH T10715CF437D940B24CB08A7FB19B61C2B517AAC6727D7F3678F8156A50088F8FCB66613
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)
File icon (PE):PE icon
dhash icon c0c6224204018282 (1 x AgentTesla)
Reporter TeamDreier
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
274
Origin country :
DK DK
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
New Document.exe
Verdict:
Malicious activity
Analysis date:
2023-09-28 11:02:09 UTC
Tags:
stealer agenttesla

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
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Restart of the analyzed sample
Adding an exclusion to Microsoft Defender
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 method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
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
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: 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 AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1315788 Sample: New_Document.exe Startdate: 28/09/2023 Architecture: WINDOWS Score: 100 44 discord.com 2->44 48 Found malware configuration 2->48 50 Antivirus detection for URL or domain 2->50 52 Sigma detected: Scheduled temp file as task from temp location 2->52 54 9 other signatures 2->54 8 New_Document.exe 7 2->8         started        12 xnHkBGVIvvzJTB.exe 5 2->12         started        signatures3 process4 file5 40 C:\Users\user\AppData\...\xnHkBGVIvvzJTB.exe, PE32 8->40 dropped 42 C:\Users\user\AppData\Local\...\tmp35CD.tmp, XML 8->42 dropped 56 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->56 58 Uses schtasks.exe or at.exe to add and modify task schedules 8->58 60 Adds a directory exclusion to Windows Defender 8->60 14 New_Document.exe 15 2 8->14         started        18 powershell.exe 23 8->18         started        20 powershell.exe 23 8->20         started        22 schtasks.exe 1 8->22         started        62 Multi AV Scanner detection for dropped file 12->62 64 Machine Learning detection for dropped file 12->64 66 Injects a PE file into a foreign processes 12->66 24 xnHkBGVIvvzJTB.exe 12->24         started        26 schtasks.exe 12->26         started        signatures6 process7 dnsIp8 46 discord.com 162.159.128.233, 443, 49694, 49696 CLOUDFLARENETUS United States 14->46 28 WerFault.exe 14->28         started        30 conhost.exe 18->30         started        32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        68 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 24->68 70 Tries to steal Mail credentials (via file / registry access) 24->70 72 Tries to harvest and steal browser information (history, passwords, etc) 24->72 36 WerFault.exe 24->36         started        38 conhost.exe 26->38         started        signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-09-28 03:28:23 UTC
File Type:
PE (.Net Exe)
Extracted files:
25
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
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 SetWindowsHookEx
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
Malware Config
C2 Extraction:
https://discord.com/api/webhooks/1154326258021302292/Mu1LJr5Hzwgzt-oP0UaMu9jKsw-MNZUKEgkvdMj2iCXAeS6mmpa6xyfstP-NGi9M7fEY
Unpacked files
SH256 hash:
a655be43f79d44bf3e6720e6e1aa99b8fd94785cd46707d9a0dd48a10e4d20c8
MD5 hash:
7c2c98a1bc1af93e1bc1e0c933915b8e
SHA1 hash:
c5c3a2e553fdfa9010cf11b582fe3399c5551ffd
SH256 hash:
493daef04500c23f4c9f19f3c3be2b5b0ef43a771b9087317d0a653f602bb0f0
MD5 hash:
8d3612ded46e8b7a37d11b7b536eedda
SHA1 hash:
c1a8da59d15a194f2aacd848cb8f77eb91f390c5
SH256 hash:
7010a707f68daa1db84332695037e47bd85f302d6bcb93b72e7da23c7db18016
MD5 hash:
d8fe7be327d96f6f20086cdfce5b4c45
SHA1 hash:
39cd6a5c151fc60dba9e96a4f867bab66469f6fc
SH256 hash:
7ec118e70613ce2d9aee29cda2918ca710dde346c68d4da75c2ea0402e6d4391
MD5 hash:
1622a62bf6805b2dca82a8632eceac71
SHA1 hash:
071b72a5a1231149dfe4b9fcfa3a6ee49265ab7c
SH256 hash:
822a1f1294b05f1a39ca8d81f466fb6e25baf6bd44ee89b532cc6b987d8089e5
MD5 hash:
4c0eb24ed4e7d6fe6ae6952addf2c8b9
SHA1 hash:
c33c4016ae41645cf851500919164bd41c675bb0
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: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 822a1f1294b05f1a39ca8d81f466fb6e25baf6bd44ee89b532cc6b987d8089e5

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments