MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cffe911cab47a620844da9e4e5dd658ac6d47b6771385721015a73e6b1ae2bb0. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments

SHA256 hash: cffe911cab47a620844da9e4e5dd658ac6d47b6771385721015a73e6b1ae2bb0
SHA3-384 hash: 19c41e921bd666ed7a8d2fd0c461fb7dfd2558bca632af45bc3b4daf1e78527097e7c0133a92a658a6d29d1af0bd50ce
SHA1 hash: 8f6311be82aeac2638a24bb7fcff934d45907610
MD5 hash: 6b45d9cf8d6fffbae01460b4da51d00a
humanhash: summer-georgia-delaware-florida
File name:SecuriteInfo.com.Variant.Tedy.126031.1395.21121
Download: download sample
Signature AgentTesla
File size:1'143'272 bytes
First seen:2022-05-25 08:52:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:80BT74YZkUD3Z7v5o1J1+wG8v8U0IpdEEyTSVjHAi/P7r9r/+ppppppppppppppJ:8G7427Ro1+m2Ip2A/1qP
Threatray 16'766 similar samples on MalwareBazaar
TLSH T11D35B230A44C4554DF6D6A3AC37ECAEC02721DAA9E67940C39CB7B93EA75D436893307
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon d4c4c4d8ccd4f0cc (241 x AgentTesla, 65 x Loki, 41 x Formbook)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
325
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Variant.Tedy.126031.1395.21121
Verdict:
No threats detected
Analysis date:
2022-05-25 08:53:16 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
Adding an access-denied ACE
Unauthorized injection to a recently created process
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Reading critical registry keys
DNS request
Sending a custom TCP request
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated overlay 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.expl.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Contains functionality to hide user accounts
Hides that the sample has been downloaded from the Internet (zone.identifier)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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)
Snort IDS alert for network traffic
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
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 633917 Sample: SecuriteInfo.com.Variant.Te... Startdate: 25/05/2022 Architecture: WINDOWS Score: 100 32 Snort IDS alert for network traffic 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->36 38 7 other signatures 2->38 6 chrome.exe 2->6         started        9 SecuriteInfo.com.Variant.Tedy.126031.1395.exe 2->9         started        11 chrome.exe 2->11         started        process3 signatures4 40 Multi AV Scanner detection for dropped file 6->40 42 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->42 44 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->44 13 chrome.exe 2 6->13         started        17 SecuriteInfo.com.Variant.Tedy.126031.1395.exe 2 5 9->17         started        process5 dnsIp6 24 192.168.2.1 unknown unknown 13->24 26 mail.starled.com 13->26 46 Tries to harvest and steal ftp login credentials 13->46 48 Tries to harvest and steal browser information (history, passwords, etc) 13->48 28 mail.starled.com.netsolmail.net 205.178.146.249, 49777, 49788, 587 DEFENSE-NETUS United States 17->28 30 mail.starled.com 17->30 20 C:\Users\user\AppData\Roaming\...\chrome.exe, PE32 17->20 dropped 22 C:\Users\user\...\chrome.exe:Zone.Identifier, ASCII 17->22 dropped 50 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->50 52 Tries to steal Mail credentials (via file / registry access) 17->52 54 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->54 file7 signatures8
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-05-25 00:13:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
70
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer suricata trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Program crash
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
suricata: ET MALWARE AgentTesla Exfil Via SMTP
Unpacked files
SH256 hash:
cffe911cab47a620844da9e4e5dd658ac6d47b6771385721015a73e6b1ae2bb0
MD5 hash:
6b45d9cf8d6fffbae01460b4da51d00a
SHA1 hash:
8f6311be82aeac2638a24bb7fcff934d45907610
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:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
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