MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4e3966d7930bad5fe06070c32506ec910ca8c79386a91384b21ef9b89ef6bc9b. 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 15 File information Comments

SHA256 hash: 4e3966d7930bad5fe06070c32506ec910ca8c79386a91384b21ef9b89ef6bc9b
SHA3-384 hash: 27bf0359285ddb7e2a1560b1ab5e179f3fa87c19607ae40356f3a15409fed7efc380ab0dbcb9cf135a49a0e979c619c8
SHA1 hash: b63eb69231606298ecfdf0664b744254d9a37537
MD5 hash: a468f7ccf386cf53ce958c287d35db32
humanhash: paris-july-fix-ohio
File name:Fiyat teklifi Istegi 23070 PER 1000 Adet …scanneed 00101.pdf.bat
Download: download sample
Signature AgentTesla
File size:688'640 bytes
First seen:2024-02-13 13:44:17 UTC
Last seen:2024-02-13 15:26:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:3eQ5vziaONBD8R/aBdfjqH0UWaFPEIsMA+U9/kmgaA710HxACCGteJc:3riXBD8p9WaFDOR9/Ba710HvCieJc
TLSH T1B4E412207B8E626DDC644B341C3985C4577A3A697F44CB9D6E9D270C8C33A139B22A7F
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 abuse_ch
Tags:AgentTesla bat exe geo TUR

Intelligence


File Origin
# of uploads :
2
# of downloads :
306
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
Fiyat teklifi Istegi 23070 PER 1000 Adet …scanneed 00101.pdf.r11
Verdict:
Malicious activity
Analysis date:
2024-02-13 10:43:52 UTC
Tags:
agenttesla stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Setting a keyboard event handler
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Adding an exclusion to Microsoft Defender
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
Adds a directory exclusion to Windows Defender
Contains functionality to log keystrokes (.Net Source)
Contains functionality to register a low level keyboard hook
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)
Sample uses string decryption to hide its real strings
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses an obfuscated file name to hide its real file extension (double extension)
Uses an obfuscated file name to hide its real file extension (RTLO)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1391447 Sample: Fiyat teklifi Istegi 23070 ... Startdate: 13/02/2024 Architecture: WINDOWS Score: 100 34 mail.newstar-eg.com 2->34 46 Snort IDS alert for network traffic 2->46 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 15 other signatures 2->52 8 Fiyat teklifi Istegi 23070 PER 1000 Adet #U2026scanneed 00101.pdf.bat.exe 4 2->8         started        11 ctsdvwT.exe 3 2->11         started        13 ctsdvwT.exe 2 2->13         started        signatures3 process4 signatures5 54 Adds a directory exclusion to Windows Defender 8->54 56 Injects a PE file into a foreign processes 8->56 15 Fiyat teklifi Istegi 23070 PER 1000 Adet #U2026scanneed 00101.pdf.bat.exe 2 5 8->15         started        20 powershell.exe 21 8->20         started        58 Multi AV Scanner detection for dropped file 11->58 60 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->60 62 Machine Learning detection for dropped file 11->62 64 Contains functionality to register a low level keyboard hook 11->64 22 ctsdvwT.exe 2 11->22         started        24 ctsdvwT.exe 11->24         started        26 ctsdvwT.exe 13->26         started        process6 dnsIp7 36 mail.newstar-eg.com 108.179.232.80, 49713, 49714, 587 UNIFIEDLAYER-AS-1US United States 15->36 30 C:\Users\user\AppData\Roaming\...\ctsdvwT.exe, PE32 15->30 dropped 32 C:\Users\user\...\ctsdvwT.exe:Zone.Identifier, ASCII 15->32 dropped 38 Tries to steal Mail credentials (via file / registry access) 15->38 40 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->40 42 Installs a global keyboard hook 15->42 28 conhost.exe 20->28         started        44 Tries to harvest and steal browser information (history, passwords, etc) 26->44 file8 signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
Status:
Malicious
First seen:
2024-02-13 10:00:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Verdict:
malicious
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
c4ddb4f3bdebdbd5408daf974abcfb429f50bbe25fb398461504db417f16dbcf
MD5 hash:
08300dd18c5a5125afc2bc1e58616a2a
SHA1 hash:
c03fa013b4721494bd1227ec12b173b5f90a49f3
SH256 hash:
a4cca973845be572ae19b737afbb7b39219c71f3957d4d74a27ec220ceb7ac94
MD5 hash:
60a1b747f6b2a02a2e3f1ae9a01d32c4
SHA1 hash:
a2368f8691ffa3fde80f14c8b2ea99f1dd836ecb
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:
2f8500be90a0f03bfe335e19fdc15b4fdbfa4c34b9fc6b11146dec0ecd754b82
MD5 hash:
f2170583da2005c6f8500b078cf04e4f
SHA1 hash:
2349a42700055904f084f98ede3bff2bfba55876
SH256 hash:
68339c6890a483458b4394d67b1f64459c1723dfdfc9cd6aea414434363287dc
MD5 hash:
96a50636ff60484a8bb06acce788c228
SHA1 hash:
0e3a9a6e1a37ca1e902bc321cdb9e94a1099a94b
SH256 hash:
4e3966d7930bad5fe06070c32506ec910ca8c79386a91384b21ef9b89ef6bc9b
MD5 hash:
a468f7ccf386cf53ce958c287d35db32
SHA1 hash:
b63eb69231606298ecfdf0664b744254d9a37537
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_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 4e3966d7930bad5fe06070c32506ec910ca8c79386a91384b21ef9b89ef6bc9b

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments