MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3bac14e1cf7531bfb5bc8f41a553df5f23bf6accb20e55bf14b498d781d61db3. 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 4 File information Comments

SHA256 hash: 3bac14e1cf7531bfb5bc8f41a553df5f23bf6accb20e55bf14b498d781d61db3
SHA3-384 hash: 521bc23cde48b9174ad445330b67b6f21220d9b055f14c18ad2279c7dfd4639d5eb742f925bad886e63ec48cfcacd809
SHA1 hash: 977cbaa4819215feb3c8bfed73ff747b317771e3
MD5 hash: 6fabf567f215fd1769dde8dfdac3b8b5
humanhash: green-pluto-juliet-black
File name:rDBNote-CRNote_.exe
Download: download sample
Signature AgentTesla
File size:493'056 bytes
First seen:2023-10-24 10:35:12 UTC
Last seen:2023-10-24 13:20:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:4Xd3CyumFgGCR1ALiV//yWyAhACF0a7zrp2z:elBDCGa11VSvPA0aTpO
Threatray 728 similar samples on MalwareBazaar
TLSH T1C8A4BE5931EF2586F437DBF6C7882B88CBEAF6F6562FF95A7D8502528021C02DF12521
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) (4505/5/1)
Reporter FXOLabs
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
4
# of downloads :
338
Origin country :
BR BR
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Reading critical registry keys
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Stealing user critical data
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
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
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
.NET source code contains very large strings
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
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 domain / URL
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: Scheduled temp file as task from temp location
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 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: 1331200 Sample: rDBNote-CRNote_.exe Startdate: 24/10/2023 Architecture: WINDOWS Score: 100 32 mail.commtechtrading.com 2->32 34 commtechtrading.com 2->34 38 Multi AV Scanner detection for domain / URL 2->38 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 10 other signatures 2->44 8 CSZBVSqA.exe 5 2->8         started        11 rDBNote-CRNote_.exe 6 2->11         started        signatures3 process4 file5 46 Multi AV Scanner detection for dropped file 8->46 48 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->48 50 Machine Learning detection for dropped file 8->50 52 Injects a PE file into a foreign processes 8->52 14 CSZBVSqA.exe 2 8->14         started        17 schtasks.exe 1 8->17         started        28 C:\Users\user\AppData\Roaming\CSZBVSqA.exe, PE32 11->28 dropped 30 C:\Users\user\AppData\Local\...\tmp26BE.tmp, XML 11->30 dropped 54 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 11->54 56 Uses schtasks.exe or at.exe to add and modify task schedules 11->56 19 rDBNote-CRNote_.exe 2 11->19         started        22 schtasks.exe 1 11->22         started        signatures6 process7 dnsIp8 58 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->58 60 Tries to steal Mail credentials (via file / registry access) 14->60 62 Tries to harvest and steal browser information (history, passwords, etc) 14->62 24 conhost.exe 17->24         started        36 commtechtrading.com 173.236.63.6, 49713, 49714, 587 SINGLEHOP-LLCUS United States 19->36 26 conhost.exe 22->26         started        signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-10-24 00:32:01 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
19 of 23 (82.61%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
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
Unpacked files
SH256 hash:
0b4c93addb0071e4cc368bc5e46a535e2eafd360b5db8b6c87620d7225eade2d
MD5 hash:
e17d9bb18c1bf12de8c75fa570f4cf72
SHA1 hash:
97751a31524557387d136e0e42e204186d00b5dd
SH256 hash:
bf3c5e7575e0c0deeaa1d89977a68e83a6c949f66c5ec63546a660b9c54c617f
MD5 hash:
8d5ed54404c1a35bf713b572ac58bf9b
SHA1 hash:
23313843c26c258c204f942d33f692597d594222
SH256 hash:
29062d506eb8d6886079f66f5f30e3df7e211d8d8db76de49e164629ab4a9581
MD5 hash:
20c9be9b404ce4b314978013f98a3327
SHA1 hash:
09fa4d2ba9f15e86a0ffed9d02faaa41511ff18d
Detections:
AgentTesla win_agent_tesla_g2
SH256 hash:
3bac14e1cf7531bfb5bc8f41a553df5f23bf6accb20e55bf14b498d781d61db3
MD5 hash:
6fabf567f215fd1769dde8dfdac3b8b5
SHA1 hash:
977cbaa4819215feb3c8bfed73ff747b317771e3
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
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 3bac14e1cf7531bfb5bc8f41a553df5f23bf6accb20e55bf14b498d781d61db3

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments