MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a3510ca0d8cbd8fb1035c1c59a8781abfc1e463d0429e108c242c23188f1adcc. 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: a3510ca0d8cbd8fb1035c1c59a8781abfc1e463d0429e108c242c23188f1adcc
SHA3-384 hash: 6c30511fbc9123c6a892d176644109f2bd4fc3e81bbfd0342bfb95e4ed83936b030fe433c3529cf0b6fa2b39d210d3f0
SHA1 hash: 9f8ebce6e8a6dd8b1b087cbca55c155c03704764
MD5 hash: d7c2d7a11a39c2c2046462351cbf4f8d
humanhash: jupiter-black-high-johnny
File name:d7c2d7a11a39c2c2046462351cbf4f8d.exe
Download: download sample
Signature AgentTesla
File size:50'488 bytes
First seen:2020-10-07 10:36:30 UTC
Last seen:2020-10-07 12:24:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 1536:KP5ouAI4ognYrgvIuAiSmqVym8eRi5Qxf5nBsZQBl5QRsZdxoVbmcyOsHatpwtsX:KP5ouAI4ognYrgvIuAiSmqVym8eRi5QG
Threatray 364 similar samples on MalwareBazaar
TLSH 1233948052E9CD61E2BE9E7C28727309CEF0BD9254A2DB9E0A8541DEC7B77405530F7A
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
mail.big3.icu:587

Intelligence


File Origin
# of uploads :
2
# of downloads :
96
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Launching a process
Creating a process with a hidden window
DNS request
Sending a custom TCP request
Adding an access-denied ACE
Unauthorized injection to a recently created process
Creating a file
Creating a window
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 by creating a file
Enabling autorun
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Signature
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
Machine Learning detection for dropped file
Machine Learning detection for sample
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: 294433 Sample: nikWW5tYpq.exe Startdate: 07/10/2020 Architecture: WINDOWS Score: 100 66 Antivirus detection for dropped file 2->66 68 Antivirus / Scanner detection for submitted sample 2->68 70 Multi AV Scanner detection for submitted file 2->70 72 6 other signatures 2->72 7 nikWW5tYpq.exe 18 4 2->7         started        12 nikWW5tYpq.exe 2->12         started        14 nikWW5tYpq.exe 2 2->14         started        16 3 other processes 2->16 process3 dnsIp4 62 pastebin.com 104.23.98.190, 443, 49722, 49744 CLOUDFLARENETUS United States 7->62 56 C:\Users\user\AppData\...\nikWW5tYpq.exe, PE32 7->56 dropped 58 C:\Users\...\nikWW5tYpq.exe:Zone.Identifier, ASCII 7->58 dropped 74 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->74 76 Creates an undocumented autostart registry key 7->76 78 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->78 80 Drops PE files to the startup folder 7->80 18 WerFault.exe 23 11 7->18         started        21 nikWW5tYpq.exe 2 7->21         started        24 timeout.exe 1 7->24         started        26 nikWW5tYpq.exe 7->26         started        82 Creates autostart registry keys with suspicious names 12->82 84 Creates multiple autostart registry keys 12->84 28 timeout.exe 12->28         started        64 104.23.99.190, 443, 49739 CLOUDFLARENETUS United States 14->64 86 Hides threads from debuggers 14->86 30 WerFault.exe 14->30         started        34 3 other processes 14->34 32 WerFault.exe 16->32         started        36 4 other processes 16->36 file5 signatures6 process7 dnsIp8 50 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 18->50 dropped 60 192.168.2.1 unknown unknown 21->60 38 conhost.exe 24->38         started        40 conhost.exe 28->40         started        52 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 30->52 dropped 54 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 32->54 dropped 42 conhost.exe 34->42         started        44 conhost.exe 36->44         started        46 conhost.exe 36->46         started        48 conhost.exe 36->48         started        file9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-10-07 10:38:06 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
spyware persistence
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
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
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Modifies WinLogon for persistence
Unpacked files
SH256 hash:
a3510ca0d8cbd8fb1035c1c59a8781abfc1e463d0429e108c242c23188f1adcc
MD5 hash:
d7c2d7a11a39c2c2046462351cbf4f8d
SHA1 hash:
9f8ebce6e8a6dd8b1b087cbca55c155c03704764
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.

Web download

AgentTesla

Executable exe a3510ca0d8cbd8fb1035c1c59a8781abfc1e463d0429e108c242c23188f1adcc

(this sample)

  
Delivery method
Distributed via web download

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