MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a11d85dec6ca99730c67c909898c5a057921b3befb7edee95836bcf0c09dbe5. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4a11d85dec6ca99730c67c909898c5a057921b3befb7edee95836bcf0c09dbe5
SHA3-384 hash: af250bd15a832d0d7b554bc10396f7e91ac112c9691f5b8971dff1ed234521a0c1b83e7d37ca8ecd29e9a1bc4589926d
SHA1 hash: 335ff79faba937e0500872930232bf853e0498ae
MD5 hash: 1cfe9f26db38b2507e4c27cad400ad6c
humanhash: hydrogen-magazine-sad-michigan
File name:1cfe9f26db38b2507e4c27cad400ad6c.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:21'504 bytes
First seen:2021-04-23 06:28:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 384:lxQ0GGBHLEywHxQ0NYlRxQuHxY21QLwfH1LABVj2Jlf+:rpQHWhXHxn1hf1L+ylW
TLSH C7A23B21FB899957E029357311621E0813F7A4EE2B02E75BEFCCD6A318139DB5E68B14
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
156
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
http://katchobinnas.duckdns.org/kat.exe
Verdict:
Malicious activity
Analysis date:
2021-04-23 02:16:09 UTC
Tags:
trojan dtloader loader
Link:
https://app.any.run/tasks/38413ce2-f07e-4ebd-ab4d-42e96bc73c60

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/143799/
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Creating a file
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a UDP request
Unauthorized injection to a recently created process
Adding an access-denied ACE
Creating a window
Using the Windows Management Instrumentation requests
Sending an HTTP GET request to an infection source
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.
Malware family:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1a305667-b7c7-484b-9737-8167b364dee4
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/694656
Signature
Contains functionality to hide a thread from the debugger
Found malware configuration
Hides threads from debuggers
Injects a PE file into a foreign processes
Installs a global keyboard hook
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)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 396255 Sample: 9CRuhCxLU3.exe Startdate: 23/04/2021 Architecture: WINDOWS Score: 100 32 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->32 34 Found malware configuration 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 2 other signatures 2->38 7 9CRuhCxLU3.exe 15 4 2->7         started        process3 dnsIp4 28 gkfaalkhnkqvgjntywc.ml 172.67.187.116, 49700, 80 CLOUDFLARENETUS United States 7->28 40 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->40 42 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->42 44 Hides threads from debuggers 7->44 46 2 other signatures 7->46 11 9CRuhCxLU3.exe 2 7->11         started        15 WerFault.exe 23 9 7->15         started        18 cmd.exe 1 7->18         started        signatures5 process6 dnsIp7 30 us2.smtp.mailhostbox.com 208.91.199.223, 49746, 587 PUBLIC-DOMAIN-REGISTRYUS United States 11->30 48 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->48 50 Tries to steal Mail credentials (via file access) 11->50 52 Tries to harvest and steal ftp login credentials 11->52 54 2 other signatures 11->54 26 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 15->26 dropped 20 conhost.exe 15->20         started        22 conhost.exe 18->22         started        24 timeout.exe 1 18->24         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4a11d85dec6ca99730c67c909898c5a057921b3befb7edee95836bcf0c09dbe5/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2021-04-23 03:47:23 UTC
AV detection:
11 of 47 (23.40%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jii5qxpmnsuzomggpsijrggfublzegz3563633uvqnv46daj3psq._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/210423-ns875mgk2n/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
4a11d85dec6ca99730c67c909898c5a057921b3befb7edee95836bcf0c09dbe5
MD5 hash:
1cfe9f26db38b2507e4c27cad400ad6c
SHA1 hash:
335ff79faba937e0500872930232bf853e0498ae
Link:
https://www.unpac.me/results/15335a45-0a1a-4da1-94d0-f52b4e2daafd/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/4a11d85dec6ca99730c67c909898c5a057921b3befb7edee95836bcf0c09dbe5

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:win_agent_tesla_v1
Create hunting rule
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 4a11d85dec6ca99730c67c909898c5a057921b3befb7edee95836bcf0c09dbe5

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1150070/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/143799/

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