MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 446fdf01547a33559546ea0b673faf9810c1eb79361bc29e767ee08bbf668cd9. 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: 15


Intelligence 15 IOCs YARA 16 File information Comments

SHA256 hash: 446fdf01547a33559546ea0b673faf9810c1eb79361bc29e767ee08bbf668cd9
SHA3-384 hash: a6c912cc1772c76772502587173470691b79e019a2fee9bece80ac6e72137da78d3704c67fbede3ea6eb4c560da6e7cc
SHA1 hash: 037323cd93ed787b2c0bd4396f77f0b25a1f2589
MD5 hash: fff7a0cef9dff78270f095c896d7fc1a
humanhash: rugby-high-delta-violet
File name:DEKONT.pdf.exe
Download: download sample
Signature AgentTesla
File size:693'248 bytes
First seen:2024-02-20 07:07:13 UTC
Last seen:Never
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:tvSmPwRYnOELz89ZM7wXF2KnZmuE34f07v5mkfAHFpLwRtbDAY4CbLEFU:NSmP0Y74ZawXJE3S07Ykf2QtbDPU
Threatray 5'789 similar samples on MalwareBazaar
TLSH T144E423963AB94772ED3543F16CA09E4453F270970A61F72E2C85B0DB43DBB0287A5B1B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter abuse_ch
Tags:AgentTesla exe geo TUR

Intelligence


File Origin
# of uploads :
1
# of downloads :
300
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
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:
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, PureLog Stealer
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Contains functionality to log keystrokes (.Net Source)
Contains functionality to register a low level keyboard hook
Contains VNC / remote desktop functionality (version string found)
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
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 network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Suspicious Double Extension File Execution
Snort IDS alert for network traffic
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
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1395052 Sample: DEKONT.pdf.exe Startdate: 20/02/2024 Architecture: WINDOWS Score: 100 31 webmail.senofech-industry.com 2->31 33 api.ipify.org 2->33 51 Snort IDS alert for network traffic 2->51 53 Found malware configuration 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 12 other signatures 2->57 7 DEKONT.pdf.exe 3 2->7         started        10 plQRn123nur.exe 3 2->10         started        12 plQRn123nur.exe 2 2->12         started        signatures3 process4 signatures5 59 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->59 61 Contains functionality to register a low level keyboard hook 7->61 63 Injects a PE file into a foreign processes 7->63 14 DEKONT.pdf.exe 16 5 7->14         started        65 Multi AV Scanner detection for dropped file 10->65 67 Machine Learning detection for dropped file 10->67 19 plQRn123nur.exe 14 2 10->19         started        21 plQRn123nur.exe 10->21         started        23 plQRn123nur.exe 10->23         started        25 plQRn123nur.exe 2 12->25         started        process6 dnsIp7 35 webmail.senofech-industry.com 91.235.116.180, 49710, 49713, 49714 THCPROJECTSRO Romania 14->35 37 api.ipify.org 172.67.74.152, 443, 49708, 49718 CLOUDFLARENETUS United States 14->37 27 C:\Users\user\AppData\...\plQRn123nur.exe, PE32 14->27 dropped 29 C:\Users\...\plQRn123nur.exe:Zone.Identifier, ASCII 14->29 dropped 39 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->39 41 Tries to steal Mail credentials (via file / registry access) 14->41 43 Contains VNC / remote desktop functionality (version string found) 14->43 45 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->45 47 Tries to harvest and steal browser information (history, passwords, etc) 25->47 49 Installs a global keyboard hook 25->49 file8 signatures9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2024-02-19 15:36:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
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:
72638f4b30cc9dab51d31216991957bf1cd118b8a8743227b3e8f9c4805f7628
MD5 hash:
2a8240bba06e832ee5d136a0a7e5b5b9
SHA1 hash:
de49d9b33004a4a622a4279b3ee2b3e3e5cd012b
SH256 hash:
ca848d14a60c2ec668f095e2e8fc6b940197e594b32650567a95b91e6055ff32
MD5 hash:
f84712af30c58d9ad3c67b6b5ee380b1
SHA1 hash:
a7f496690d69370a992c2018bc475403bf9f1662
SH256 hash:
06e657f27dec7d4238de33bccffe2afe0ddeb0db34b1b67c9824784dc4c2ab0b
MD5 hash:
4e889cbaa7a03d4d3c31d6ef203ad840
SHA1 hash:
7b2723a8cbfa237773b733fd59c8445ea9e3356b
SH256 hash:
baa8dfbeae9bdf4b06bf0ed9b66bb1084f5ffa0eca649162e052be1001123470
MD5 hash:
0f57993a088503d5de2a11c22ecd01dd
SHA1 hash:
70a0e351733dcce878d4db662a895f8949c6a9dc
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:
446fdf01547a33559546ea0b673faf9810c1eb79361bc29e767ee08bbf668cd9
MD5 hash:
fff7a0cef9dff78270f095c896d7fc1a
SHA1 hash:
037323cd93ed787b2c0bd4396f77f0b25a1f2589
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:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
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:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
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 446fdf01547a33559546ea0b673faf9810c1eb79361bc29e767ee08bbf668cd9

(this sample)

  
Delivery method
Distributed via e-mail attachment

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