MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 034e412b4cfd7511004908d87ef4efc4eb896a280289595142feacfe92206e37. 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: 9


Intelligence 9 IOCs YARA 7 File information Comments

SHA256 hash: 034e412b4cfd7511004908d87ef4efc4eb896a280289595142feacfe92206e37
SHA3-384 hash: 6e02c4f9cd035604f59f23e90ff70b7e3b96c395b4bf683e44e7f2ec2985f34e330e17a294513aade677a8d316945c49
SHA1 hash: c3d487b00a3d7862d563f2db0045499aedaf6226
MD5 hash: c27e9904ce1e0f0dc02f0f99c528e541
humanhash: west-east-oklahoma-angel
File name:c27e9904ce1e0f0dc02f0f99c528e541.exe
Download: download sample
Signature AgentTesla
File size:984'576 bytes
First seen:2020-11-09 19:24:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 6cea15fcbfd6616496bbe80d9d9d0796 (26 x Loki, 25 x AgentTesla, 10 x ISRStealer)
ssdeep 24576:qVMHwG0ON514iuyWEpajHK4RFhuAQ32vRAy1:qVtGXrGi/hpajfHh37qy1
Threatray 9'853 similar samples on MalwareBazaar
TLSH 6725AF23ADB14837C0733A798C1B5AA4AF36BF312925A98667FD3D0F5F396417815283
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
bh-58.webhostbox.net:587

Intelligence


File Origin
# of uploads :
1
# of downloads :
87
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Using the Windows Management Instrumentation requests
Creating a file in the %temp% subdirectories
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
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
Contains functionality to detect sleep reduction / modifications
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (trying to detect sleep duration tampering with parallel thread)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
Maps a DLL or memory area into another process
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 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 access)
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 312626 Sample: LUPBKAoYtx.exe Startdate: 09/11/2020 Architecture: WINDOWS Score: 100 30 Found malware configuration 2->30 32 Yara detected AgentTesla 2->32 34 Machine Learning detection for sample 2->34 6 arinze.exe 2->6         started        9 LUPBKAoYtx.exe 2->9         started        11 arinze.exe 2->11         started        process3 signatures4 36 Detected unpacking (changes PE section rights) 6->36 38 Detected unpacking (creates a PE file in dynamic memory) 6->38 40 Detected unpacking (overwrites its own PE header) 6->40 48 3 other signatures 6->48 13 arinze.exe 8 6->13         started        42 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 9->42 44 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 9->44 46 Maps a DLL or memory area into another process 9->46 17 LUPBKAoYtx.exe 2 11 9->17         started        20 arinze.exe 8 11->20         started        process5 dnsIp6 26 bh-58.webhostbox.net 199.79.63.24, 49745, 49746, 49747 PUBLIC-DOMAIN-REGISTRYUS United States 17->26 28 192.168.2.1 unknown unknown 17->28 22 C:\Users\user\AppData\Local\...\arinze.exe, PE32 17->22 dropped 24 C:\Users\user\...\arinze.exe:Zone.Identifier, ASCII 17->24 dropped 50 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->50 52 Tries to steal Mail credentials (via file access) 17->52 54 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->54 56 Tries to harvest and steal ftp login credentials 20->56 58 Tries to harvest and steal browser information (history, passwords, etc) 20->58 file7 signatures8
Threat name:
Win32.Backdoor.Androm
Status:
Malicious
First seen:
2020-11-09 19:36:02 UTC
AV detection:
38 of 48 (79.17%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan upx
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
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
UPX packed file
AgentTesla Payload
AgentTesla
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:AgentTesla_extracted_bin
Author:James_inthe_box
Description:AgentTesla extracted
Rule name:AgentTesla_mod_tough_bin
Author:James_inthe_box
Reference:https://app.any.run/tasks/3b5d409c-978b-4a95-a5f1-399f0216873d/
Rule name:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:agent_tesla_2019
Author:jeFF0Falltrades
Rule name:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_v1
Author:Johannes Bader @viql
Description:detects Agent Tesla
Rule name:win_agent_tesla_w1
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information


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

Web download

AgentTesla

Executable exe 034e412b4cfd7511004908d87ef4efc4eb896a280289595142feacfe92206e37

(this sample)

  
Delivery method
Distributed via web download

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