MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a0f4dd8f54f51cb4d1243ecf21b2e5d578464ec54ba9b8e98b1afdb17465b4bc. 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: 8


Intelligence 8 IOCs YARA File information Comments

SHA256 hash: a0f4dd8f54f51cb4d1243ecf21b2e5d578464ec54ba9b8e98b1afdb17465b4bc
SHA3-384 hash: a252661c6db9c8c967fe9e81e0079f5caba6853629e9bf8bce5ccd00031698d2b33c715fa525381bfe1f4f451fa95e43
SHA1 hash: 4b3f7b173aa9a0fc628f8d080aa75ade62972455
MD5 hash: 2cfeb44a7b830583481530289a074c35
humanhash: avocado-oregon-apart-shade
File name:file.exe
Download: download sample
Signature AgentTesla
File size:74'944 bytes
First seen:2020-09-17 20:04:17 UTC
Last seen:2020-09-17 20:41:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 1536:o/I7qOixnaGs3SKcCqa/1CHqNBCpTyXAqooWXiJ:wWqTnPALq+1EqNkmXAPogw
Threatray 25 similar samples on MalwareBazaar
TLSH F873BFA16FB6FE36F19E75F0CE0690448EFCD701061B79B778B061F549362948722B2A
Reporter cocaman
Tags:AgentTesla exe

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:Sep 17 11:32:35 2020 GMT
Valid to:Sep 17 11:32:35 2021 GMT
Serial number: 5DD3003557F96D3B921289F82C9840C1
Thumbprint Algorithm:SHA256
Thumbprint: 8508C4E23BA29C8BA5AB75EB95136B30E453AEC7AE750866A9A2468E59695C4E
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
2
# of downloads :
107
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sending a custom TCP request
Sending a UDP request
Launching a process
Creating a process with a hidden window
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Launching a service
Deleting a recently created file
Unauthorized injection to a recently created process
Adding an access-denied ACE
Creating a window
Launching the default Windows debugger (dwwin.exe)
Using the Windows Management Instrumentation requests
Setting a keyboard event handler
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun
Enabling autorun by creating a file
Adding exclusions to Windows Defender
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Binary contains a suspicious time stamp
Connects to a pastebin service (likely for C&C)
Creates an undocumented autostart registry key
Drops PE files to the startup folder
Found malware configuration
Hides threads from debuggers
Injects a PE file into a foreign processes
Installs a global keyboard hook
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)
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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 287183 Sample: file.exe Startdate: 17/09/2020 Architecture: WINDOWS Score: 100 66 mail.knki.co.id 2->66 68 knki.co.id 2->68 74 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->74 76 Found malware configuration 2->76 78 Multi AV Scanner detection for dropped file 2->78 80 6 other signatures 2->80 8 file.exe 22 8 2->8         started        13 file.exe 2->13         started        15 file.exe 2->15         started        17 file.exe 2->17         started        signatures3 process4 dnsIp5 72 pastebin.com 104.23.98.190, 443, 49725, 49726 CLOUDFLARENETUS United States 8->72 56 C:\Users\user\AppData\Roaming\...\file.exe, PE32 8->56 dropped 58 C:\Users\user\...\file.exe:Zone.Identifier, ASCII 8->58 dropped 60 C:\Users\user\AppData\...\AdvancedRun.exe, PE32 8->60 dropped 82 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->82 84 Creates an undocumented autostart registry key 8->84 86 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->86 90 2 other signatures 8->90 19 WerFault.exe 8->19         started        23 powershell.exe 25 8->23         started        25 AdvancedRun.exe 1 8->25         started        27 file.exe 2 8->27         started        62 C:\Users\user\AppData\...\AdvancedRun.exe, PE32 13->62 dropped 88 Hides threads from debuggers 13->88 29 file.exe 13->29         started        32 WerFault.exe 13->32         started        34 powershell.exe 13->34         started        36 AdvancedRun.exe 13->36         started        64 C:\Users\user\AppData\...\AdvancedRun.exe, PE32 15->64 dropped 38 2 other processes 15->38 file6 signatures7 process8 dnsIp9 70 192.168.2.1 unknown unknown 19->70 52 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 19->52 dropped 40 conhost.exe 23->40         started        42 AdvancedRun.exe 25->42         started        92 Installs a global keyboard hook 29->92 54 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 32->54 dropped 44 conhost.exe 34->44         started        46 AdvancedRun.exe 36->46         started        48 conhost.exe 38->48         started        50 AdvancedRun.exe 38->50         started        file10 signatures11 process12
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-09-17 14:38:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
20 of 29 (68.97%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla persistence evasion
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Drops startup file
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Windows security modification
Executes dropped EXE
AgentTesla
Modifies WinLogon for persistence
Modifies Windows Defender Real-time Protection settings
Windows security bypass
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Malspam

AgentTesla

Executable exe a0f4dd8f54f51cb4d1243ecf21b2e5d578464ec54ba9b8e98b1afdb17465b4bc

(this sample)

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