MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f421fbab0f5a84119610930450587604db43a1f80bdafbeb631395944ed8f3c8. 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: f421fbab0f5a84119610930450587604db43a1f80bdafbeb631395944ed8f3c8
SHA3-384 hash: 20e49435d1086c928388882c9469d3260308938764694d0c007dcd6e48f8caa4a0c4b451b32e53ad7d82b464afbc79cd
SHA1 hash: 35239267d1fdcf980adbcc6ba1faa328ba2db0da
MD5 hash: 9a06bf378bf02273bf0770cd4c913182
humanhash: finch-johnny-ack-tennis
File name:SHIPPING ADVICE DOCUMENTS.exe
Download: download sample
Signature AgentTesla
File size:766'464 bytes
First seen:2022-02-17 13:28:07 UTC
Last seen:2022-02-17 22:35:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'743 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:1Dczkltx7zT1Ladq7MN9dOuisPuYTUE5BWv5aIpOtxcqKIZCDDlisN4j:ljtxfJsqeIXkjTxWBLOtXhSZisC
Threatray 14'869 similar samples on MalwareBazaar
TLSH T137F4237A8EBC8B13D86E587D60204021B7BD95239546E74D9FC06072A4637F6EF21F8B
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
6
# of downloads :
230
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit 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 potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
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
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)
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
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 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: 574076 Sample: SHIPPING ADVICE DOCUMENTS.exe Startdate: 17/02/2022 Architecture: WINDOWS Score: 100 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Multi AV Scanner detection for dropped file 2->41 43 17 other signatures 2->43 7 SHIPPING ADVICE DOCUMENTS.exe 7 2->7         started        process3 file4 27 C:\Users\user\AppData\Roaming\oIAilYaC.exe, PE32 7->27 dropped 29 C:\Users\...\oIAilYaC.exe:Zone.Identifier, ASCII 7->29 dropped 31 C:\Users\user\AppData\Local\...\tmp81CC.tmp, XML 7->31 dropped 33 C:\...\SHIPPING ADVICE DOCUMENTS.exe.log, ASCII 7->33 dropped 45 Adds a directory exclusion to Windows Defender 7->45 47 Injects a PE file into a foreign processes 7->47 11 SHIPPING ADVICE DOCUMENTS.exe 15 2 7->11         started        15 powershell.exe 25 7->15         started        17 powershell.exe 23 7->17         started        19 schtasks.exe 1 7->19         started        signatures5 process6 dnsIp7 35 api.telegram.org 149.154.167.220, 443, 49764 TELEGRAMRU United Kingdom 11->35 49 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->49 51 Tries to steal Mail credentials (via file / registry access) 11->51 53 Tries to harvest and steal ftp login credentials 11->53 55 Tries to harvest and steal browser information (history, passwords, etc) 11->55 21 conhost.exe 15->21         started        23 conhost.exe 17->23         started        25 conhost.exe 19->25         started        signatures8 process9
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2022-02-17 12:47:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
24 of 28 (85.71%)
Threat level:
  2/5
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
Drops file in Windows directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot1562684159:AAF0RHsedAMUFPfvPk6IyrreCEPxQ_b3Y3g/sendDocument
Unpacked files
SH256 hash:
63e7f1cc0be193b3667d9b607b17e773c28399cb8af76db3de9307c233f49800
MD5 hash:
409bd92332f4fdc494483bd220814dd0
SHA1 hash:
a7edf05532b227e59e56a57ec358829b104f3446
SH256 hash:
e33254e2ad4d279914a29450f98d1750a9f513fc8ddb853e0dd8346b805faa43
MD5 hash:
b597cce7bfc65e56fa69ebb7f413a33f
SHA1 hash:
7ee40df5ac783432e7c9f7be4f7ed1f286345d58
SH256 hash:
f71b6f06d56e8a194f1c449107cfdee8e9051be4503b6a95f27761ba74df9e61
MD5 hash:
71020b0efc32b4540f1f27f3c49478af
SHA1 hash:
63ea2181c306d15526f07c1d47b62b9942f391de
SH256 hash:
d5778add0cf2e3916b7df40af9c2f5c47cad66bcfdc636997d49c578f34b1c24
MD5 hash:
8598c783fc451b360cadaaf1f9b7d549
SHA1 hash:
404ee22346505ad5611eff463486ac8801728238
SH256 hash:
f421fbab0f5a84119610930450587604db43a1f80bdafbeb631395944ed8f3c8
MD5 hash:
9a06bf378bf02273bf0770cd4c913182
SHA1 hash:
35239267d1fdcf980adbcc6ba1faa328ba2db0da
Malware family:
Agent Tesla 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 f421fbab0f5a84119610930450587604db43a1f80bdafbeb631395944ed8f3c8

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments