MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a40fea0a4c721b2bfb7d0975a81eca77a7b877d4b9ee0083ef45d5b59762ed87. 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 2 File information Comments

SHA256 hash: a40fea0a4c721b2bfb7d0975a81eca77a7b877d4b9ee0083ef45d5b59762ed87
SHA3-384 hash: 1ed7fcfc60a2d76eedc7def1ab5619e957de86b64bae4e07cd7fd7e91e8af60ecf65f379d4d8610e14e8a32fe1526324
SHA1 hash: 0ad8c0ea97b6106bc29d9181de010eae00126bb0
MD5 hash: cd7bd91df5d846f0bd4512ae1846baa8
humanhash: finch-washington-item-golf
File name:SecuriteInfo.com.Win32.PWSX-gen.9526.15635
Download: download sample
Signature AgentTesla
File size:871'424 bytes
First seen:2022-10-20 14:11:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:xMz6Rl/SD34HsxjKkyPg4kMewj2vVsN01zqHxzRjfEu5z:u6R5cIqjKhotMew0vzczd
Threatray 20'710 similar samples on MalwareBazaar
TLSH T1C4055AB626D51217E02972B59083E6F326FBAE506041E1C365D71F6FBC841BBD62338B
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 8e139252dac82482 (3 x SnakeKeylogger, 2 x Formbook, 1 x RemcosRAT)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
210
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
SecuriteInfo.com.Win32.PWSX-gen.9526.15635
Verdict:
Malicious activity
Analysis date:
2022-10-20 14:13:47 UTC
Tags:
keylogger stealer agenttesla

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

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Result
Verdict:
UNKNOWN
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
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
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 BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
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 ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 726863 Sample: SecuriteInfo.com.Win32.PWSX... Startdate: 20/10/2022 Architecture: WINDOWS Score: 100 31 Malicious sample detected (through community Yara rule) 2->31 33 Multi AV Scanner detection for submitted file 2->33 35 Yara detected AgentTesla 2->35 37 4 other signatures 2->37 6 newapp.exe 3 2->6         started        9 SecuriteInfo.com.Win32.PWSX-gen.9526.15635.exe 3 2->9         started        12 newapp.exe 2 2->12         started        process3 file4 39 Multi AV Scanner detection for dropped file 6->39 41 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->41 43 Machine Learning detection for dropped file 6->43 14 newapp.exe 2 6->14         started        27 SecuriteInfo.com.W....9526.15635.exe.log, ASCII 9->27 dropped 45 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 9->45 47 Injects a PE file into a foreign processes 9->47 18 SecuriteInfo.com.Win32.PWSX-gen.9526.15635.exe 2 5 9->18         started        21 SecuriteInfo.com.Win32.PWSX-gen.9526.15635.exe 9->21         started        signatures5 process6 dnsIp7 49 Tries to harvest and steal ftp login credentials 14->49 51 Tries to harvest and steal browser information (history, passwords, etc) 14->51 53 Installs a global keyboard hook 14->53 29 mail.spjsv.ro 89.43.174.45, 26, 49690, 49692 CHROOTBucharestROMANIAEURO Romania 18->29 23 C:\Users\user\AppData\Roaming\...\newapp.exe, PE32 18->23 dropped 25 C:\Users\user\...\newapp.exe:Zone.Identifier, ASCII 18->25 dropped 55 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->55 57 Tries to steal Mail credentials (via file / registry access) 18->57 59 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->59 file8 signatures9
Threat name:
ByteCode-MSIL.Trojan.Taskun
Status:
Malicious
First seen:
2022-10-20 12:08:30 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
23 of 41 (56.10%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
3c68d5416ff1397f70d6d99104693d0e0a7b89a3226a6176c439b6a9e1d3e472
MD5 hash:
3936ed6667de2ed789b0e5aab365361b
SHA1 hash:
91c815f50f91cfb5b0187eb42a25d50a1b1f30c6
SH256 hash:
6a6d2b318267a749ab48290e1cd3791c61f6bcba39bb0a354fb56a0dbdb11b0a
MD5 hash:
a0b384cccf2909d83b09c716896bb231
SHA1 hash:
84c403b3a5c0afb2dcfe71b6648deb4e14d4913b
SH256 hash:
70dfa4c873605ab0fcdcb62be2a970da110535280d8dc88261edbe1ed2865307
MD5 hash:
d5b0f8aff064b3e828421b48efccd312
SHA1 hash:
724f4bc7ab4e08c45562748b739c8f7496a5ad8f
SH256 hash:
4f77d7fd65b82b4e1781799a4fcd07d2c17c22c4bb599f858e925f1ecdc3c534
MD5 hash:
8be3f1d17545902fe788bf9d793add7d
SHA1 hash:
4ce53a2ed005a8ec6de402f8a177c93292d7fa5b
SH256 hash:
678d527fc01a0eaa1be366ca97b0ad5a3fe890b1ef8267d2fc981ff43c4d08e5
MD5 hash:
2da433d67db4775d8f02a8fed4b31bf3
SHA1 hash:
235fe8f2076f3b5cfffacc574825550cee8e61e9
SH256 hash:
a40fea0a4c721b2bfb7d0975a81eca77a7b877d4b9ee0083ef45d5b59762ed87
MD5 hash:
cd7bd91df5d846f0bd4512ae1846baa8
SHA1 hash:
0ad8c0ea97b6106bc29d9181de010eae00126bb0
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: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