MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b09ef4dd89c5ae3d88139ff2621bd1247400674ad5d75c78df673d56cc18af51. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b09ef4dd89c5ae3d88139ff2621bd1247400674ad5d75c78df673d56cc18af51
SHA3-384 hash: 0c36e7e13e81232e9a6a5e57b06453426708efe50d4b28b5863d9db355c92fee4aa3f6a3f7f6cf44eb3c73cf2c00455b
SHA1 hash: 5b83fde29f7b85062d2478e0432fd67be57d3a48
MD5 hash: 3b06b35cf20bb5e1dec8868895c47320
humanhash: table-lion-magazine-wolfram
File name:order#2_W43550970719.bat
Download: download sample
Signature AgentTesla
Create hunting rule
File size:91'771 bytes
First seen:2023-08-17 06:00:18 UTC
Last seen:2023-08-17 06:43:08 UTC
File type:Batch (bat) bat
MIME type:text/x-msdos-batch
ssdeep 1536:ikSuHUjg0cAzQYyBs79tlOoYF0EbpR87EmYxxuH9G:Vbyg0cAzQY6sERFzR87ET3uHE
Threatray 1'056 similar samples on MalwareBazaar
TLSH T13B938BD8A9321A9B18F0E4799C8866CD534FDBD41B40FCCFA876540BCA1E633DD458EA
Reporter lowmal3
Tags:AgentTesla bat

Intelligence

File Origin
# of uploads :
2
# of downloads :
111
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
order#2_W43550970719.bat
Verdict:
Malicious activity
Analysis date:
2023-08-17 06:01:38 UTC
Tags:
stealer
Link:
https://app.any.run/tasks/a4603544-11bf-4cc7-8758-be17a4922801

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/443138/
Detection(s):
Sanesecurity.Malware.28379.BadBat.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Creating a file in the %AppData% directory
Launching a process
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Creating a file in the %temp% directory
Creating a window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Changing a file
Using the Windows Management Instrumentation requests
Setting a single autorun event
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
cmd masquerade powershell
Link:
https://www.filescan.io/uploads/64ddb79fac089eb81238b3f4/reports/896b29c2-a999-47ac-83e5-edea106158f7/overview
Verdict:
Malicious
Labled as:
TrojanDropper/BAT.Agent
Link:
https://www.hybrid-analysis.com/sample/b09ef4dd89c5ae3d88139ff2621bd1247400674ad5d75c78df673d56cc18af51
Result
Verdict:
MALICIOUS
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1292588
Signature
Creates autostart registry keys with suspicious names
Creates multiple autostart registry keys
Found malware configuration
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for submitted file
Powershell is started from unusual location (likely to bypass HIPS)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses cmd line tools excessively to alter registry or file data
Very long command line found
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1292588 Sample: order#2_W43550970719.bat Startdate: 17/08/2023 Architecture: WINDOWS Score: 100 50 mail92100.maychuemail.com 2->50 52 files.catbox.moe 2->52 54 2 other IPs or domains 2->54 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 Multi AV Scanner detection for submitted file 2->60 62 5 other signatures 2->62 7 cmd.exe 4 2->7         started        11 cmd.exe 2 2->11         started        13 cmd.exe 2->13         started        15 2 other processes 2->15 signatures3 process4 file5 40 C:\Users\...\order#2_W43550970719.bat.exe, PE32 7->40 dropped 76 Very long command line found 7->76 78 Uses cmd line tools excessively to alter registry or file data 7->78 17 order#2_W43550970719.bat.exe 18 19 7->17         started        22 reg.exe 1 1 7->22         started        30 2 other processes 7->30 42 C:\Users\...\order#2_W43550970719.bat.exe, PE32 11->42 dropped 24 order#2_W43550970719.bat.exe 16 11->24         started        32 3 other processes 11->32 26 order#2_W43550970719.bat.exe 13 13->26         started        28 conhost.exe 13->28         started        34 2 other processes 13->34 80 Powershell is started from unusual location (likely to bypass HIPS) 15->80 36 2 other processes 15->36 signatures6 process7 dnsIp8 44 api4.ipify.org 173.231.16.76, 443, 49750, 49755 WEBNXUS United States 17->44 46 mail92100.maychuemail.com 112.213.92.100, 49752, 49756, 587 SUPERDATA-AS-VNSUPERDATA-VN Viet Nam 17->46 48 files.catbox.moe 108.181.20.39, 443, 49749, 49751 ASN852CA Canada 17->48 38 C:\Users\user\AppData\...\Jtbcrfouaed.exe, PE32 17->38 dropped 64 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 17->64 66 Tries to steal Mail credentials (via file / registry access) 17->66 68 Creates multiple autostart registry keys 17->68 70 Creates autostart registry keys with suspicious names 22->70 72 Tries to harvest and steal browser information (history, passwords, etc) 24->72 74 Powershell is started from unusual location (likely to bypass HIPS) 24->74 file9 signatures10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b09ef4dd89c5ae3d88139ff2621bd1247400674ad5d75c78df673d56cc18af51/
Threat name:
Win32.Trojan.Synder
Create hunting rule
Status:
Malicious
First seen:
2023-08-17 05:11:30 UTC
File Type:
Text (Batch)
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wcppjxmjywxd3catt7zgeg6rer2aaz2k2xlvy6g7m46vntayv5iq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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281df1c5c4f47ae357ef5f8617166bb8044fdb0e0f6b334fb8135833451340bd
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857217b72741e90dac37cfc2069753957841c31b224e6cd755c07833aa14dbe1
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8a59fe8ca31ce4abde54d02705f65ed0d788e384e0d5c05441971f4d1fef5b34
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963d62811b21dd7a9716c812303db3c717d5287e9b8fe0266084de98649de6b4
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9e8117a83d4bf36a81551ad646feea4aa9bb990e7633f48cb062847155177935
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c8b7fc073f9b19aa83d4e2ad4945a6de2e82cf7bce58c41e38c804c61fe92eca
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d2f62e6ebaaa21277f79cb82709adfb5c7f8a870eec123188dc54bcda2b95c42
AgentTesla
+ 1'046 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
evasion persistence spyware stealer
Link:
https://tria.ge/reports/230817-gqwlsafg48/
Behaviour
Suspicious behavior: CmdExeWriteProcessMemorySpam
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Enumerates physical storage devices
Adds Run key to start application
Looks up external IP address via web service
Executes dropped EXE
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Sets file to hidden
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b09ef4dd89c5/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b09ef4dd89c5ae3d88139ff2621bd1247400674ad5d75c78df673d56cc18af51

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:BAT_Chunked_Payload_SetEnv
Create hunting rule
Author:marcin@ulikowski.pl
Description:Detects batch script storing chunks of payload in random environment variables
Rule name:BlackGuard_Rule
Create hunting rule
Author:Jiho Kim
Description:Yara rule for BlackGuarad Stealer v1.0 - v3.0
Reference:https://www.virustotal.com/gui/file/67843d45ba538eca29c63c3259d697f7e2ba84a3da941295b9207cdb01c85b71/detection

File information

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

Malspam

AgentTesla

Batch (bat) bat b09ef4dd89c5ae3d88139ff2621bd1247400674ad5d75c78df673d56cc18af51

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/443138/

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