MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 37eda95e8e4f33010283becccc7313f454f1c34e28f30999f3ec643f73b68d4e. 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 3 File information Comments

SHA256 hash: 37eda95e8e4f33010283becccc7313f454f1c34e28f30999f3ec643f73b68d4e
SHA3-384 hash: 47bc4b13136da812f2dc3ee733e5c78736fa4d07ec7243a71a52ff8fd1e76724dcf7b328b8c56c907961b950f3e58ede
SHA1 hash: 6604aa43a408f5e02f093fa93dddda9f9c795a5b
MD5 hash: 1038cc3d42ddaafc0ce600959582b139
humanhash: thirteen-papa-india-fanta
File name:RFQ_305310.exe
Download: download sample
Signature AgentTesla
File size:1'785'752 bytes
First seen:2023-04-11 06:41:13 UTC
Last seen:2023-04-11 06:42:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 24576:DRLfkllsVrYhIVvttottLRRRRWGyYz16C:RGlihtttottqg
Threatray 1'284 similar samples on MalwareBazaar
TLSH T12585383439EAA019B1B3EFA69EE4B4D79A6FB7733B06645E1051038A4713E81DDC143E
TrID 56.5% (.EXE) Win64 Executable (generic) (10523/12/4)
11.0% (.ICL) Windows Icons Library (generic) (2059/9)
10.9% (.EXE) OS/2 Executable (generic) (2029/13)
10.7% (.EXE) Generic Win/DOS Executable (2002/3)
10.7% (.EXE) DOS Executable Generic (2000/1)
Reporter lowmal3
Tags:AgentTesla exe signed

Code Signing Certificate

Organisation: mozilla cooperation 2023
Issuer: mozilla cooperation 2023
Algorithm:sha256WithRSAEncryption
Valid from:2023-04-10T23:32:15Z
Valid to:2024-04-10T23:32:15Z
Serial number: 842b4280fb6552e964f4f5c28acce95a
Thumbprint Algorithm:SHA256
Thumbprint: eb108b3ed878f95c4e4765c4fa0e4912dd9b6666ed262b4a7c6c64f8f2ef738a
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
2
# of downloads :
269
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ_305310.exe
Verdict:
Malicious activity
Analysis date:
2023-04-11 06:42:17 UTC
Tags:
n/a

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
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Creating a file
Launching a process
Sending a custom TCP request
Creating a process from a recently created file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Reading critical registry keys
DNS request
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Stealing user critical data
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed vidar
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.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Changes security center settings (notifications, updates, antivirus, firewall)
Drops PE files with benign system names
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Query firmware table information (likely to detect VMs)
Sigma detected: Schedule system process
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 844403 Sample: RFQ_305310.exe Startdate: 11/04/2023 Architecture: WINDOWS Score: 100 50 windowsupdatebg.s.llnwi.net 2->50 52 mail.jehart.si 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Multi AV Scanner detection for submitted file 2->56 58 Yara detected UAC Bypass using CMSTP 2->58 60 6 other signatures 2->60 9 RFQ_305310.exe 1 7 2->9         started        13 svchost.exe 2 2->13         started        15 svchost.exe 2 2->15         started        17 11 other processes 2->17 signatures3 process4 dnsIp5 44 C:\Users\user\AppData\Roaming\svchost.exe, PE32+ 9->44 dropped 46 C:\Users\user\AppData\...\RFQ_305310.exe.log, CSV 9->46 dropped 68 Drops PE files with benign system names 9->68 20 cmd.exe 1 9->20         started        22 cmd.exe 1 9->22         started        70 Writes to foreign memory regions 13->70 72 Injects a PE file into a foreign processes 13->72 48 192.168.2.1 unknown unknown 17->48 74 Query firmware table information (likely to detect VMs) 17->74 76 Changes security center settings (notifications, updates, antivirus, firewall) 17->76 file6 signatures7 process8 signatures9 25 svchost.exe 3 20->25         started        28 conhost.exe 20->28         started        30 timeout.exe 1 20->30         started        62 Uses schtasks.exe or at.exe to add and modify task schedules 22->62 32 conhost.exe 22->32         started        34 schtasks.exe 1 22->34         started        process10 signatures11 64 Writes to foreign memory regions 25->64 66 Injects a PE file into a foreign processes 25->66 36 vbc.exe 25->36         started        38 MSBuild.exe 25->38         started        40 RegAsm.exe 25->40         started        42 15 other processes 25->42 process12
Threat name:
Win64.Trojan.Leonem
Status:
Malicious
First seen:
2023-04-11 01:36:26 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
7
AV detection:
18 of 24 (75.00%)
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)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
AgentTesla
Unpacked files
SH256 hash:
37eda95e8e4f33010283becccc7313f454f1c34e28f30999f3ec643f73b68d4e
MD5 hash:
1038cc3d42ddaafc0ce600959582b139
SHA1 hash:
6604aa43a408f5e02f093fa93dddda9f9c795a5b
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:pdb_YARAify
Author:@wowabiy314
Description:PDB
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

Executable exe 37eda95e8e4f33010283becccc7313f454f1c34e28f30999f3ec643f73b68d4e

(this sample)

  
Delivery method
Distributed via e-mail attachment

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