MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d4056dd6353372ee5a5e61844456171df8def439067395b74d20d7c300adbcaa. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments

SHA256 hash: d4056dd6353372ee5a5e61844456171df8def439067395b74d20d7c300adbcaa
SHA3-384 hash: 5006901d915593dc424cb262e4539ac99cbfe40d24764770ddd462a54536f051694d6c467f1cf4e5a6a979cdf7c7f8c0
SHA1 hash: 227da099ef27c7f451d8d03bffaa93c333964c3d
MD5 hash: 59f8364866162275b0a83be8711432a6
humanhash: virginia-wolfram-romeo-seven
File name:doc2022050200100`010100.pdf.exe
Download: download sample
Signature AgentTesla
File size:1'638'912 bytes
First seen:2022-05-02 13:25:20 UTC
Last seen:2022-05-02 14:24:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:nXkEiwjdNZP09PFWafm7jBQTFsXcE5T4uyoQEuwacCDmg3:nXdigfsFWazTFAci4uyoCwaf
Threatray 16'697 similar samples on MalwareBazaar
TLSH T156758D9D711071EFC857E0B2DA681C64AA217C76531B4613A03739BEAB7D887CF580FA
Reporter lowmal3
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
262
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
doc2022050200100`010100.pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-05-02 13:27:35 UTC
Tags:
agenttesla

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

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe obfuscated packed
Result
Verdict:
UNKNOWN
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 very large array initializations
Adds a directory exclusion to Windows Defender
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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 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
PE file contains section with special chars
PE file has nameless sections
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)
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)
Uses an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 619009 Sample: doc2022050200100`010100.pdf.exe Startdate: 02/05/2022 Architecture: WINDOWS Score: 100 35 Found malware configuration 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Multi AV Scanner detection for dropped file 2->39 41 13 other signatures 2->41 7 doc2022050200100`010100.pdf.exe 7 2->7         started        process3 file4 25 C:\Users\user\AppData\Roaming\iVkyygc.exe, PE32 7->25 dropped 27 C:\Users\user\...\iVkyygc.exe:Zone.Identifier, ASCII 7->27 dropped 29 C:\Users\user\AppData\Local\...\tmpBF8F.tmp, XML 7->29 dropped 31 C:\...\doc2022050200100`010100.pdf.exe.log, ASCII 7->31 dropped 43 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->43 45 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->45 47 Uses schtasks.exe or at.exe to add and modify task schedules 7->47 49 3 other signatures 7->49 11 doc2022050200100`010100.pdf.exe 15 2 7->11         started        15 powershell.exe 25 7->15         started        17 schtasks.exe 1 7->17         started        19 doc2022050200100`010100.pdf.exe 7->19         started        signatures5 process6 dnsIp7 33 api.telegram.org 149.154.167.220, 443, 49757 TELEGRAMRU United Kingdom 11->33 51 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->51 53 Tries to steal Mail credentials (via file / registry access) 11->53 55 Tries to harvest and steal ftp login credentials 11->55 57 Tries to harvest and steal browser information (history, passwords, etc) 11->57 21 conhost.exe 15->21         started        23 conhost.exe 17->23         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-05-02 09:24:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
62
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot5310370668:AAEdB2nfvvFj53YoaxJ-AleA2m93WUxxyM0/sendDocument
Unpacked files
SH256 hash:
0cdb66ee6442d7989b4f951ba46c1badfe8e9a45c66d246753c233d19f93ebc1
MD5 hash:
3199b910a65e384e38a09f1d1c08e7e3
SHA1 hash:
c99ad4f639be47ebc71eb7519646e3b62f96e48c
SH256 hash:
3b458d6ce5f444f3ed2e9ded62dda48d58fe9139a6f23d27b29ee48716c06db7
MD5 hash:
46d1b99df22fe6ec979e66ab18801fba
SHA1 hash:
a7fd7ec50c2391b93a4c43b18d8685b7b43e72cb
SH256 hash:
338e29a6b4ad47cc207ccec75aa8d144bd638f2f8fb05750883489f7476ba4c7
MD5 hash:
17f8feaff48fce4fc518b83afea16651
SHA1 hash:
70477523115ed9e8e984d5743711d290c2a0f46e
SH256 hash:
4b1f10e82f4cd641adeee50f0ce2e37261e116e41031cbdd4c2a0a893f688338
MD5 hash:
68ab212aa308af96323376fd450ddb5c
SHA1 hash:
05cabf08ed91dd29c0c39b320cb7f293086b729a
SH256 hash:
d4056dd6353372ee5a5e61844456171df8def439067395b74d20d7c300adbcaa
MD5 hash:
59f8364866162275b0a83be8711432a6
SHA1 hash:
227da099ef27c7f451d8d03bffaa93c333964c3d
Malware family:
AgentTesla.v3
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: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.

Malspam

AgentTesla

Executable exe d4056dd6353372ee5a5e61844456171df8def439067395b74d20d7c300adbcaa

(this sample)

  
Delivery method
Distributed via e-mail attachment

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