MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5fdb3de171431980fb56572dd438f76f0b2d255797c2f1ee9ff55462be22eea0. 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: 16


Intelligence 16 IOCs YARA 14 File information Comments

SHA256 hash: 5fdb3de171431980fb56572dd438f76f0b2d255797c2f1ee9ff55462be22eea0
SHA3-384 hash: 0f47ca4c704be99935b02ab78a882c4d03f8a3122fad5fe9656a930fbb387d6b2ed0a619bcce4592ec2ed9ccf3c0b680
SHA1 hash: 18bd8335860b6480b1ac4054aaa3e37968175bde
MD5 hash: 10b20add9944bbb31d7e345d2f51bdd0
humanhash: whiskey-oklahoma-california-missouri
File name:FVN001-230824.pdf.exe
Download: download sample
Signature AgentTesla
File size:685'568 bytes
First seen:2024-02-13 16:35:43 UTC
Last seen:2024-02-13 17:18:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:3eQ5vziTSvxHDJMgOGvdu8pEHtK+imNLk3xgpzXw8l/AicgNjdl:3riaTPVuMEHpNg3izLLjNjdl
TLSH T114E41221B7AAA26CCCA90B341D7554C413757AABAF08CF5E6968224CDD736230711FFB
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter threatcat_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
467
Origin country :
CH CH
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
DNS request
Connection attempt
Sending a custom TCP request
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade 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
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 sample
Malicious sample detected (through community Yara rule)
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: Suspicious Double Extension File Execution
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 an obfuscated file name to hide its real file extension (double extension)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
Status:
Malicious
First seen:
2024-02-13 07:38:41 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla_v4 agenttesla
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
a2d63796d5b2489093099ff0c88f8fe69887b714553a37bb2f042a0a07609567
MD5 hash:
5e935414c6efde31985a7d71d1347992
SHA1 hash:
a89301c5e64e7162dabfb5df6eb046293a03e71d
SH256 hash:
971c821aa19832e04f1dd44b19cdb909d36d27be2f9e62edd10bf7887a43d15a
MD5 hash:
6d7a285502323918820b8513b5f33d75
SHA1 hash:
9633177bbb29c2563fec4a7dd381f4a278588437
SH256 hash:
4b8c02460748b2a55899df6719c2b16ae9420da331f2b41e64cf9682c12c3dff
MD5 hash:
bea692d6f4c36a9954fe7a2a9b4c3ab8
SHA1 hash:
76fbe18734ea87023aab845b4c0de4764016b525
SH256 hash:
e72bc7c03b0307290c3549394b88a3a7b4ab336005f12b3112ebf46b86e97211
MD5 hash:
3853775177d7b1ed7b3eee0e08416c95
SHA1 hash:
63e5c138c771d29b840ee64c1eb4bbe63d2eb03a
Detections:
AgentTesla win_agent_tesla_g2 INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients Agenttesla_type2 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_EXE_Packed_GEN01 INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
SH256 hash:
5fdb3de171431980fb56572dd438f76f0b2d255797c2f1ee9ff55462be22eea0
MD5 hash:
10b20add9944bbb31d7e345d2f51bdd0
SHA1 hash:
18bd8335860b6480b1ac4054aaa3e37968175bde
Malware family:
AgentTesla
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:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Author:Elastic Security

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

Executable exe 5fdb3de171431980fb56572dd438f76f0b2d255797c2f1ee9ff55462be22eea0

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments