MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 125456fe8027b40d44b67ae250f582c06e13e852d293738b439e5fced671b134. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments

SHA256 hash: 125456fe8027b40d44b67ae250f582c06e13e852d293738b439e5fced671b134
SHA3-384 hash: 87c72392c5cb02fc8dd7a5d2750526a3142ab594a84330d2e5d9aa064006fb68f1329c16cbebc36d035df4438d71c452
SHA1 hash: 41fad4bba0c0dc2290cb551a4714b0bca551515b
MD5 hash: 9e45f0e9dd7310cb2b6396906d8d535a
humanhash: virginia-mississippi-low-jupiter
File name:PO 5536894.exe
Download: download sample
Signature AgentTesla
File size:1'387'008 bytes
First seen:2021-12-14 17:17:14 UTC
Last seen:2021-12-14 18:44:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:dAD4zaXVGviQymnO8iP3OHpRnhjsc6L5vArHXCsnah6iBay1u:dzaXVGLn9iP+Dd/6V4rHSsa00
Threatray 13'417 similar samples on MalwareBazaar
TLSH T11E5523BE229365DDC82A47F87738803C53753D36904BD289ED99B6DB0927B617E23423
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
235
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO 5536894.exe
Verdict:
Suspicious activity
Analysis date:
2021-12-14 17:21:25 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
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware 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.adwa.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
Modifies the hosts 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 dnsIp2 2 Behavior Graph ID: 539753 Sample: PO 5536894.exe Startdate: 14/12/2021 Architecture: WINDOWS Score: 100 40 smtp.mail.ru 2->40 54 Yara detected AgentTesla 2->54 56 Yara detected AntiVM3 2->56 58 .NET source code contains potential unpacker 2->58 60 4 other signatures 2->60 7 PO 5536894.exe 3 2->7         started        11 chome.exe 3 2->11         started        13 chome.exe 2 2->13         started        signatures3 process4 file5 38 C:\Users\user\AppData\...\PO 5536894.exe.log, ASCII 7->38 dropped 62 Injects a PE file into a foreign processes 7->62 15 PO 5536894.exe 2 9 7->15         started        20 PO 5536894.exe 7->20         started        64 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->64 66 Machine Learning detection for dropped file 11->66 68 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 11->68 22 chome.exe 2 11->22         started        24 chome.exe 11->24         started        26 WerFault.exe 9 13->26         started        28 chome.exe 13->28         started        30 WerFault.exe 13->30         started        signatures6 process7 dnsIp8 42 smtp.mail.ru 217.69.139.160, 49841, 49842, 587 MAILRU-ASMailRuRU Russian Federation 15->42 32 C:\Users\user\AppData\Roaming\...\chome.exe, PE32 15->32 dropped 34 C:\Windows\System32\drivers\etc\hosts, ASCII 15->34 dropped 36 C:\Users\user\...\chome.exe:Zone.Identifier, ASCII 15->36 dropped 46 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->46 48 Tries to steal Mail credentials (via file / registry access) 15->48 50 Tries to harvest and steal ftp login credentials 15->50 52 4 other signatures 15->52 44 192.168.2.1 unknown unknown 26->44 file9 signatures10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-12-14 17:18:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
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 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
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
e940d00ea176927a5dd8e72ac1d744874671e885c7c79e63443c0083ddaf8b90
MD5 hash:
959c43328e0bf8819b6fbbd52329fdbc
SHA1 hash:
df3f9ca13db77696028a1cc2e42d9e2afbf6ec95
SH256 hash:
6d8c385c1cac50f1071da569d6276422f4f8481c83f1744a1d8b29a5299c3bb3
MD5 hash:
33357f99fd6a4fc67df468cdabf5c28a
SHA1 hash:
b579b600972cd188d5cb08237a950fce3927ce4a
SH256 hash:
c28b70deae9cfaf5907e85f48069244ed23a3b0c07ca50efbb105bd7586a1723
MD5 hash:
5ec72d94341296b7bef48b793314af57
SHA1 hash:
20714355fc918c7c4d81bf3c1ecdd0085aa1ad85
SH256 hash:
125456fe8027b40d44b67ae250f582c06e13e852d293738b439e5fced671b134
MD5 hash:
9e45f0e9dd7310cb2b6396906d8d535a
SHA1 hash:
41fad4bba0c0dc2290cb551a4714b0bca551515b
Malware family:
Agent Tesla v3
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:pe_imphash
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 125456fe8027b40d44b67ae250f582c06e13e852d293738b439e5fced671b134

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments