MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 52c7f4e1b185fa991cce822cd4a4bad5b7f44cdd26663ebf22772ea38efbeec5. 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 3 File information Comments

SHA256 hash: 52c7f4e1b185fa991cce822cd4a4bad5b7f44cdd26663ebf22772ea38efbeec5
SHA3-384 hash: 1db7e48460cd6fbfa819204e44b364a7ae543c7ea1a6849ccd36b441beaf97e44e081a09aa776179760ceb60397b8a62
SHA1 hash: 00511bf1ef194f9e02d241d4b4c9c2ced532d419
MD5 hash: a1af0e78164f0d752454c809f3aa59ea
humanhash: sweet-india-beer-massachusetts
File name:MST-DOCUMENT(1).psi.exe
Download: download sample
Signature AgentTesla
File size:583'680 bytes
First seen:2021-12-28 07:08:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'817 x AgentTesla, 19'739 x Formbook, 12'285 x SnakeKeylogger)
ssdeep 12288:wDezbz9BAjhZ4Q6YgxmU7U+q61LYZ8XVBFIVOkULocoKHuSyPeJVfc:w2+njgxmeY6cOFoctHuSyPCVfc
Threatray 13'787 similar samples on MalwareBazaar
TLSH T1B3C4CF747AFAC901D2A9273AC9DA685403BC6E53D031CF396E49359848B23D70A357FB
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
224
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
MST-DOCUMENT(1).psi.exe
Verdict:
Malicious activity
Analysis date:
2021-12-28 07:10:34 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
DNS request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Creating a file
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm obfuscated 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 potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
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)
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
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)
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: 545855 Sample: MST-DOCUMENT(1).psi.exe Startdate: 28/12/2021 Architecture: WINDOWS Score: 100 48 webmail.active.by 2->48 58 Found malware configuration 2->58 60 Multi AV Scanner detection for dropped file 2->60 62 Multi AV Scanner detection for submitted file 2->62 64 8 other signatures 2->64 8 MST-DOCUMENT(1).psi.exe 7 2->8         started        12 KlwISvp.exe 5 2->12         started        14 KlwISvp.exe 2->14         started        signatures3 process4 file5 42 C:\Users\user\AppData\Roaming\LmKHbR.exe, PE32 8->42 dropped 44 C:\Users\user\AppData\Local\...\tmp771E.tmp, XML 8->44 dropped 46 C:\Users\user\...\MST-DOCUMENT(1).psi.exe.log, ASCII 8->46 dropped 66 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->66 68 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->68 70 Uses schtasks.exe or at.exe to add and modify task schedules 8->70 16 MST-DOCUMENT(1).psi.exe 2 5 8->16         started        20 powershell.exe 25 8->20         started        22 schtasks.exe 1 8->22         started        72 Multi AV Scanner detection for dropped file 12->72 74 Adds a directory exclusion to Windows Defender 12->74 24 powershell.exe 12->24         started        26 schtasks.exe 12->26         started        28 KlwISvp.exe 12->28         started        signatures6 process7 file8 38 C:\Users\user\AppData\Roaming\...\KlwISvp.exe, PE32 16->38 dropped 40 C:\Users\user\...\KlwISvp.exe:Zone.Identifier, ASCII 16->40 dropped 50 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->50 52 Tries to steal Mail credentials (via file / registry access) 16->52 54 Tries to harvest and steal ftp login credentials 16->54 56 2 other signatures 16->56 30 conhost.exe 20->30         started        32 conhost.exe 22->32         started        34 conhost.exe 24->34         started        36 conhost.exe 26->36         started        signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-12-28 07:03:34 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
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
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 Payload
AgentTesla
Unpacked files
SH256 hash:
25ad30e94006b822e9253679b7bbdd156bce170c5fd9cfdd6e97fa08ba2787b6
MD5 hash:
371a0c5dc632e2174f0ac2561257a642
SHA1 hash:
76c52a76ffc1786738e8eb9580597a358edc9964
SH256 hash:
6b4ae4622d812e06540db9effa210aba923e1b68da3cd82628e7934ca49ef47e
MD5 hash:
614a20f368cb728c4df8557071acb272
SHA1 hash:
2959209b624b9fa0b25491d714bc8c1ffc71c269
SH256 hash:
55535d7416e19740ddca81496bcfb9ea7f4ec52735e01d43880f6359f92b63be
MD5 hash:
42c16475606875decc737cb31dfb2cbb
SHA1 hash:
28db67a9058bbebedbd28819bce871cdeb62f968
SH256 hash:
52c7f4e1b185fa991cce822cd4a4bad5b7f44cdd26663ebf22772ea38efbeec5
MD5 hash:
a1af0e78164f0d752454c809f3aa59ea
SHA1 hash:
00511bf1ef194f9e02d241d4b4c9c2ced532d419
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_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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