MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 23e326bb788b0d6226858fc84fe911244132762db8714d142ff58b2a773e001d. 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: 6


Intelligence 6 IOCs YARA 2 File information Comments
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SHA256 hash: 23e326bb788b0d6226858fc84fe911244132762db8714d142ff58b2a773e001d
SHA3-384 hash: c246fe5a15534314a14c5383fc5d45fb19d3343babd30a19775c5a223eb7b4242ae9b1394a820561535fe1b5c78c4d42
SHA1 hash: 4e8f2eda16b96179b2d9422e1d64b3f1ffe6e9e3
MD5 hash: 9589241f752beba3ff16585629d33ca7
humanhash: september-lemon-red-dakota
File name:Cargo AIRLINES CSR.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:536'064 bytes
First seen:2020-11-09 14:26:17 UTC
Last seen:2020-11-15 22:52:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:v0++9zv+axjcZPP9RLmJz3IRvtiW2Y8ckXwUmgt8LFzRioDP:v0++h+axwZ9Ri1IZ12YE8R
Threatray 1'025 similar samples on MalwareBazaar
TLSH 6DB4E03B3542BD8EF66B8C73D4902F745EA1BC378706D60A785B32A8517C68A8E105FD
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
7
# of downloads :
76
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.Inject4.4652.5126.21788.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Enabling autorun by creating a file
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/526457
Signature
.NET source code contains very large array initializations
Found evasive API chain (trying to detect sleep duration tampering with parallel thread)
Hides that the sample has been downloaded from the Internet (zone.identifier)
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)
Sigma detected: Scheduled temp file as task from temp location
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 access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 312316 Sample: Cargo AIRLINES CSR.exe Startdate: 09/11/2020 Architecture: WINDOWS Score: 100 51 Multi AV Scanner detection for dropped file 2->51 53 Sigma detected: Scheduled temp file as task from temp location 2->53 55 Multi AV Scanner detection for submitted file 2->55 57 10 other signatures 2->57 7 Cargo AIRLINES CSR.exe 6 2->7         started        11 newapp.exe 5 2->11         started        13 newapp.exe 4 2->13         started        process3 file4 35 C:\Users\user\AppData\Roaming\lIBPRhZK.exe, PE32 7->35 dropped 37 C:\Users\user\AppData\Local\...\tmpEB4E.tmp, XML 7->37 dropped 39 C:\Users\user\...\Cargo AIRLINES CSR.exe.log, ASCII 7->39 dropped 59 Injects a PE file into a foreign processes 7->59 15 Cargo AIRLINES CSR.exe 2 7 7->15         started        19 schtasks.exe 1 7->19         started        61 Multi AV Scanner detection for dropped file 11->61 63 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->63 65 Machine Learning detection for dropped file 11->65 67 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 11->67 21 schtasks.exe 1 11->21         started        23 newapp.exe 4 11->23         started        25 schtasks.exe 1 13->25         started        27 newapp.exe 4 13->27         started        signatures5 process6 file7 41 C:\Users\user\AppData\Roaming\...\newapp.exe, PE32 15->41 dropped 43 C:\Users\user\...\newapp.exe:Zone.Identifier, ASCII 15->43 dropped 45 Tries to steal Mail credentials (via file access) 15->45 47 Tries to harvest and steal browser information (history, passwords, etc) 15->47 49 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->49 29 conhost.exe 19->29         started        31 conhost.exe 21->31         started        33 conhost.exe 25->33         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/23e326bb788b0d6226858fc84fe911244132762db8714d142ff58b2a773e001d/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2020-11-09 05:56:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
23 of 28 (82.14%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=eprsno3yrmgwejufr7ee72irerate5rnxbyu2fbp6wfsu5z6aaoq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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a7df178348dd3563a0a0a44ec82af4b6bc15bf352337ef690fac078cfee6ec49
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acef7155f56a1434770c602a92ebf4945474ad85e9382df19ff5d3ffee461423
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b64834eeb000aadaea8048153c40436a4aa12e1ed93b506e5fb7146465b4943c
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c2330695f7393018b464630da587c9d2ff1cf9d1304f32dfed1b32f0037b78b9
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d992fd656f6fdc8596933ac7cb0812f999a11ade26c4f66d69f6916742ee90b7
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e064cd70ae6467ad9c0342b4750cae4fb688c56b0d904ea4091aa074e174dcf0
AgentTesla
+ 1'015 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
persistence spyware
Link:
https://tria.ge/reports/201109-dl6lngwvne/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of local email clients
Reads user/profile data of web browsers
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
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
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.

  
Delivery method
Other

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