MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7db939f103732a9f11c55ba54b8b7aaaa35309cfda3eec039dd71d6bd9d331da. 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 16 File information Comments

SHA256 hash: 7db939f103732a9f11c55ba54b8b7aaaa35309cfda3eec039dd71d6bd9d331da
SHA3-384 hash: 3dbd9c6353038da85260189b4a72afa59b7ebb067d063b943a16ac38b1b772df56ba139d5757c617ea0c28f8b16ca672
SHA1 hash: cf59e73f8f9b46051c04070cf657414a77e6f5f6
MD5 hash: 55eb96655d53c5aac87f147f77822f69
humanhash: sixteen-edward-eleven-texas
File name:rScaned_Product_Attached_Document.pdf.exe
Download: download sample
Signature AgentTesla
File size:762'880 bytes
First seen:2024-02-23 15:36:46 UTC
Last seen:2024-02-23 17:31:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'472 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:H2nSNq5Ujd53LlvMmWvWxerOstDqPnJUKLbaRqRudRoq2wm2//69u:H2n7Kmm2WMSstDqPnqKXaqvqNmK69u
TLSH T156F4126873D8EFAAF07E67F85460610003F9A47A6AB6F3085ED750D518B1F24DE94B83
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 FXOLabs
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
313
Origin country :
BR BR
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
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
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
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: 1397763 Sample: rScaned_Product_Attached_Do... Startdate: 23/02/2024 Architecture: WINDOWS Score: 100 27 webmail.senofech-industry.com 2->27 29 api.ipify.org 2->29 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Antivirus / Scanner detection for submitted sample 2->49 51 12 other signatures 2->51 7 rScaned_Product_Attached_Document.pdf.exe 3 2->7         started        10 plQRn123nur.exe 3 2->10         started        12 plQRn123nur.exe 2 2->12         started        signatures3 process4 signatures5 53 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->53 55 Injects a PE file into a foreign processes 7->55 14 rScaned_Product_Attached_Document.pdf.exe 16 5 7->14         started        57 Antivirus detection for dropped file 10->57 59 Multi AV Scanner detection for dropped file 10->59 61 Machine Learning detection for dropped file 10->61 19 plQRn123nur.exe 14 2 10->19         started        21 plQRn123nur.exe 2 12->21         started        process6 dnsIp7 31 webmail.senofech-industry.com 91.235.116.180, 587 THCPROJECTSRO Romania 14->31 33 api.ipify.org 172.67.74.152, 443, 49707, 49713 CLOUDFLARENETUS United States 14->33 23 C:\Users\user\AppData\...\plQRn123nur.exe, PE32 14->23 dropped 25 C:\Users\...\plQRn123nur.exe:Zone.Identifier, ASCII 14->25 dropped 35 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->35 37 Tries to steal Mail credentials (via file / registry access) 14->37 39 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->39 41 Tries to harvest and steal browser information (history, passwords, etc) 21->41 43 Installs a global keyboard hook 21->43 file8 signatures9
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Status:
Malicious
First seen:
2024-02-22 13:29:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
19 of 24 (79.17%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
agenttesla_v4 agenttesla
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 WinSCP keys stored on the system
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:
2d0d4a6cc7cd5d70407a525f506e1ae60de3c5516ec706c87ac7c381a3c02fcd
MD5 hash:
4feef9646001fb4ddec382662a6624da
SHA1 hash:
fed3d6545931354ee895cbf3c455b618a86689ce
SH256 hash:
72638f4b30cc9dab51d31216991957bf1cd118b8a8743227b3e8f9c4805f7628
MD5 hash:
2a8240bba06e832ee5d136a0a7e5b5b9
SHA1 hash:
de49d9b33004a4a622a4279b3ee2b3e3e5cd012b
SH256 hash:
d70e4033db330c128a0fed627f2bb0faee896f86112e6f4170adefc9a580dff1
MD5 hash:
ec2a8446d2bb3f4a4bd67c0fab01fd3d
SHA1 hash:
72adabdb9c297f0cad6708f40b90f90c894e387c
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:
ec592062c41d26d7046ab135fbabaf80e69900ba940ca654261cda17109f8769
MD5 hash:
09f7fb78314d30bf7c69d72caa9da978
SHA1 hash:
5536e0f86fe6e36f11e5ba03a8f559675dd82f30
SH256 hash:
7db939f103732a9f11c55ba54b8b7aaaa35309cfda3eec039dd71d6bd9d331da
MD5 hash:
55eb96655d53c5aac87f147f77822f69
SHA1 hash:
cf59e73f8f9b46051c04070cf657414a77e6f5f6
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: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_Generic_Threat_9f4a80b2
Author:Elastic Security
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla

File information


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

Malspam

AgentTesla

Executable exe 7db939f103732a9f11c55ba54b8b7aaaa35309cfda3eec039dd71d6bd9d331da

(this sample)

  
Delivery method
Distributed via e-mail attachment

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