MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d635a02a16bdcb62bb6dd8ae199cc5efe49663417060b286224535e6432c71ff. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments

SHA256 hash: d635a02a16bdcb62bb6dd8ae199cc5efe49663417060b286224535e6432c71ff
SHA3-384 hash: 0dfb899359381245e29c8ac8b3034a37e4377d4cf3d857a76a3ac63dec3e989cb373bc07754d4ebce28daf13b6c8a83b
SHA1 hash: ace95463348c35469da495518cbb7c483f5530fe
MD5 hash: 72279a724b8cc88076877472edd8583d
humanhash: johnny-avocado-lactose-golf
File name:sQUGZTa7Ae6nYeW.exe
Download: download sample
Signature AgentTesla
File size:495'616 bytes
First seen:2021-12-06 20:18:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:zlVqa2iNUi9oOiZ4aNFPAUIgBMsQq9lqHdUi3Aa:zlVqa12i9kZ9fnMHq0J3L
Threatray 13'297 similar samples on MalwareBazaar
TLSH T118B4D04636D5D6A8F87BFBBA0CB075C103B5F6E0E941E6EEEDC4109698627914F00672
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
297
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
sQUGZTa7Ae6nYeW.exe
Verdict:
Malicious activity
Analysis date:
2021-12-06 20:29:29 UTC
Tags:
trojan rat agenttesla

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

Behaviour
Creating a window
DNS request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Moving of the original file
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
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
.NET source code contains very large strings
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Moves itself to temp directory
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: Suspicius Add Task From User AppData Temp
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 535125 Sample: sQUGZTa7Ae6nYeW.exe Startdate: 06/12/2021 Architecture: WINDOWS Score: 100 54 mail.curvetechllc.com.netsolmail.net 2->54 56 mail.curvetechllc.com 2->56 60 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->60 62 Multi AV Scanner detection for dropped file 2->62 64 Multi AV Scanner detection for submitted file 2->64 66 9 other signatures 2->66 8 sQUGZTa7Ae6nYeW.exe 6 2->8         started        12 msbuilda.exe 5 2->12         started        15 msbuilda.exe 4 2->15         started        signatures3 process4 dnsIp5 44 C:\Users\user\AppData\...\wEvVykmGIWeWFb.exe, PE32 8->44 dropped 46 C:\Users\user\AppData\Local\...\tmp7C21.tmp, XML 8->46 dropped 48 C:\Users\user\...\sQUGZTa7Ae6nYeW.exe.log, ASCII 8->48 dropped 76 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->76 78 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->78 80 Uses schtasks.exe or at.exe to add and modify task schedules 8->80 17 sQUGZTa7Ae6nYeW.exe 2 9 8->17         started        22 schtasks.exe 1 8->22         started        24 sQUGZTa7Ae6nYeW.exe 8->24         started        26 sQUGZTa7Ae6nYeW.exe 8->26         started        58 192.168.2.1 unknown unknown 12->58 82 Multi AV Scanner detection for dropped file 12->82 84 Machine Learning detection for dropped file 12->84 28 schtasks.exe 1 12->28         started        30 msbuilda.exe 12->30         started        32 msbuilda.exe 12->32         started        34 schtasks.exe 15->34         started        file6 signatures7 process8 dnsIp9 50 mail.curvetechllc.com.netsolmail.net 205.178.146.249, 49811, 587 DEFENSE-NETUS United States 17->50 52 mail.curvetechllc.com 17->52 40 C:\Users\user\AppData\...\msbuilda.exe, PE32 17->40 dropped 42 C:\Users\...\msbuilda.exe:Zone.Identifier, ASCII 17->42 dropped 68 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->68 70 Moves itself to temp directory 17->70 72 Tries to steal Mail credentials (via file / registry access) 17->72 74 4 other signatures 17->74 36 conhost.exe 22->36         started        38 conhost.exe 28->38         started        file10 signatures11 process12
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-12-06 18:50:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
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
Unpacked files
SH256 hash:
6fab624b111ceaed8510bd00bcf2fb0005b0682b5f364a19b248b985ff12d383
MD5 hash:
b0ca061b0a8d812f0e542f1331fbe3f2
SHA1 hash:
512e25ac83eb397a1c03973d0185bd62e9dee716
SH256 hash:
2e72c5e3cd59162828fa9ecb13960b5a5d56d7ce22bd83a1ddbd2b5d0bb3dc63
MD5 hash:
569a6cbe22483b6be82da83488a9669a
SHA1 hash:
499ef4915008b7864a9754bffd8bade983f847f6
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
SH256 hash:
d635a02a16bdcb62bb6dd8ae199cc5efe49663417060b286224535e6432c71ff
MD5 hash:
72279a724b8cc88076877472edd8583d
SHA1 hash:
ace95463348c35469da495518cbb7c483f5530fe
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
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 d635a02a16bdcb62bb6dd8ae199cc5efe49663417060b286224535e6432c71ff

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments