MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4c5973bceb6055158baa38a15a42ee7d983d95d2bf81b89802e2947705feabae. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4c5973bceb6055158baa38a15a42ee7d983d95d2bf81b89802e2947705feabae
SHA3-384 hash: cd630ddbea567f92b53592ed0252ebc15f0c2da95ddeb9ad4cee8a1553aa8b24974c20b060bde850797836bb45fcbade
SHA1 hash: ef3dc8671e76d34168b0ccdf8e9e6b4004cf9f8f
MD5 hash: 0adfa647a523f3ffd47fca65b3830012
humanhash: bakerloo-diet-yankee-yellow
File name:buk.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:285'696 bytes
First seen:2020-07-14 14:16:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 3072:wQUY2arsQMO8DYIHWGR15PjyjmM10TTozDvOCOwpgB9lfaQk6fjB7D0FFABdx0EC:wUrsE8HXtAGTwp8r9JjI9m4
Threatray 10'644 similar samples on MalwareBazaar
TLSH 7A543A9D2B94BD02F23D1D3685DA163413B1E4878B12C31F6FC40FE87B657DA2A4A2D6
Reporter srcr
Tags:AgentTesla


Avatar
srcr
Sample Source: http://bloomcareltd.co.uk/wp-content/uploads/2020/06/files/buk.exe (160.153.204.75)

Intelligence

File Origin
# of uploads :
1
# of downloads :
95
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/25740/
Detection(s):
Win.Malware.AgentTesla-7660762-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Using the Windows Management Instrumentation requests
Reading critical registry keys
Launching a service
Creating a file
Stealing user critical data
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4c5973bceb6055158baa38a15a42ee7d983d95d2bf81b89802e2947705feabae/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2020-07-14 10:20:26 UTC
AV detection:
28 of 31 (90.32%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jrmxhphlmbkrlc5khcqvuqxopwmd3fosx6a3rgac4kkhobp6voxa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
2364247c3aeffef1ab3a097e386e61917c7083f53e016888d5c450e9f1c656ac
AgentTesla
3a50e52732ad555ed6f785c81ab6b0aa11c4360a4a6a5c7daab07286b376a259
AgentTesla
5568021e42a81a2755fd6d968efa50b13f99a9997d8973097231079de84832ad
AgentTesla
7e393bcd518415ad70e7a6924c8798391400554fce9c2a639a891dcda4f8e230
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916af86a5bfa7f558b376344b9aaf6e4440d21f2b38da0bb9fd60b1d4a578809
AgentTesla
9251aefb3d0f5c1a21c9de09cb545c28e64c99c7424cba4021248f2cd35e6409
AgentTesla
adbdc4cbb6b8805700fcfd618e763872f6960f5989a62c9cdffc961d9b0f3e39
AgentTesla
af7aa3b76b8d11ba1d518006e2b4ea6d574573bd2bba6594a57825e33f9ed87c
AgentTesla
b81898c8e22774e33768ab962a3acca0c718197c2b4434f3ae51761569bd7ccb
AgentTesla
ea56935a4dca19d4ed31da39e7e861574186defbb63896045cff26a38c5b3ae7
AgentTesla
+ 10'634 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200714-2xp6xq8mrn/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Reads user/profile data of local email clients
AgentTesla
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:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Create hunting rule
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information

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

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/25740/
  
URLhaus
https://urlhaus.abuse.ch/url/412811/

Comments