MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8bc8f11f65265cd267e36dd30710793863582fd6e4c554d50fa5a083d015ced6. 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 2 File information Comments

SHA256 hash: 8bc8f11f65265cd267e36dd30710793863582fd6e4c554d50fa5a083d015ced6
SHA3-384 hash: f37a525e9c413f022dd2a7dc8df05154d1fb31ba54e30c27a6d1b5ed8dbb049f91b5e5da057ac21213970cbee769ae83
SHA1 hash: 57887456b4eaa5a9b03244e2399eeb81cb91e39d
MD5 hash: 95458c35d7afba9c35a6742af517e531
humanhash: hydrogen-juliet-illinois-glucose
File name:v.exe
Download: download sample
Signature AgentTesla
File size:777'432 bytes
First seen:2020-10-06 16:35:01 UTC
Last seen:2020-10-06 17:42:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:w8f9sztZv12XvM+NeiOMOfaj6CKiKyaMM/Gey+9OMOv6DafKNKy6Dqt8gIw8b4rZ:v9s3GE+NeiOMOfaj6CKiKyaMM/Gey+9z
Threatray 37 similar samples on MalwareBazaar
TLSH DBF416BB982A50A567CF602F9D0054274B7122FBFB2251A034FE6506F71DA9E1D88FF1
Reporter James_inthe_box
Tags:AgentTesla exe

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:Oct 6 05:45:22 2020 GMT
Valid to:Oct 6 05:45:22 2021 GMT
Serial number: E5D20477E850C9F35C5C47123EF34271
Thumbprint Algorithm:SHA256
Thumbprint: B6C924214DD44069A329904DDD1C03920432AD4B45B82F4B61DA8FE6E9F27DCC
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
2
# of downloads :
121
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a process with a hidden window
DNS request
Sending a custom TCP request
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Launching a service
Sending a UDP request
Deleting a recently created file
Unauthorized injection to a recently created process
Adding an access-denied ACE
Creating a file
Creating a window
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Adding exclusions to Windows Defender
Enabling autorun
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Binary contains a suspicious time stamp
Connects to a pastebin service (likely for C&C)
Creates an undocumented autostart registry key
Creates autostart registry keys with suspicious names
Creates multiple autostart registry keys
Drops PE files to the startup folder
Hides threads from debuggers
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 293968 Sample: v.exe Startdate: 06/10/2020 Architecture: WINDOWS Score: 100 72 Antivirus detection for dropped file 2->72 74 Antivirus / Scanner detection for submitted sample 2->74 76 Multi AV Scanner detection for dropped file 2->76 78 8 other signatures 2->78 7 v.exe 24 8 2->7         started        12 v.exe 2->12         started        14 v.exe 2->14         started        16 3 other processes 2->16 process3 dnsIp4 68 pastebin.com 104.23.99.190, 443, 49748, 49766 CLOUDFLARENETUS United States 7->68 56 C:\Users\user\AppData\Roaming\...\v.exe, PE32 7->56 dropped 58 C:\Users\user\...\v.exe:Zone.Identifier, ASCII 7->58 dropped 60 C:\Users\user\AppData\...\AdvancedRun.exe, PE32 7->60 dropped 80 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->80 82 Creates an undocumented autostart registry key 7->82 84 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->84 94 2 other signatures 7->94 18 WerFault.exe 7->18         started        21 AdvancedRun.exe 7->21         started        24 powershell.exe 25 7->24         started        34 8 other processes 7->34 62 C:\Users\user\AppData\...\AdvancedRun.exe, PE32 12->62 dropped 86 Hides threads from debuggers 12->86 88 Injects a PE file into a foreign processes 12->88 26 timeout.exe 12->26         started        70 104.23.98.190, 443, 49767 CLOUDFLARENETUS United States 14->70 64 C:\Users\user\AppData\...\AdvancedRun.exe, PE32 14->64 dropped 90 Creates autostart registry keys with suspicious names 14->90 92 Creates multiple autostart registry keys 14->92 28 timeout.exe 16->28         started        30 timeout.exe 16->30         started        32 timeout.exe 16->32         started        file5 signatures6 process7 dnsIp8 54 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 18->54 dropped 66 192.168.2.1 unknown unknown 21->66 36 AdvancedRun.exe 21->36         started        38 conhost.exe 24->38         started        40 conhost.exe 26->40         started        42 conhost.exe 28->42         started        44 conhost.exe 30->44         started        46 conhost.exe 32->46         started        48 conhost.exe 34->48         started        50 conhost.exe 34->50         started        52 2 other processes 34->52 file9 process10
Threat name:
ByteCode-MSIL.Backdoor.NanoBot
Status:
Malicious
First seen:
2020-10-06 09:11:41 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
spyware persistence evasion trojan
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
Drops file in Windows directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Drops startup file
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Windows security modification
Executes dropped EXE
Modifies WinLogon for persistence
Modifies Windows Defender Real-time Protection settings
Windows security bypass
Turns off Windows Defender SpyNet reporting
Unpacked files
SH256 hash:
8bc8f11f65265cd267e36dd30710793863582fd6e4c554d50fa5a083d015ced6
MD5 hash:
95458c35d7afba9c35a6742af517e531
SHA1 hash:
57887456b4eaa5a9b03244e2399eeb81cb91e39d
SH256 hash:
a1bf82ea8e59cc94a95591e30413bf81b26ee1ac80d66ddad4c15d43d5548056
MD5 hash:
0053565f45d057e513c72a6fed613674
SHA1 hash:
2961bb6e9699cf857bed8133a3df5aac3b39cf3c
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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:win_agent_tesla_v1
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information


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

Comments