MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf9caae4940f91401db499ed61a89d3e5ed867bc846f229cced95288739f8dc6. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bf9caae4940f91401db499ed61a89d3e5ed867bc846f229cced95288739f8dc6
SHA3-384 hash: 2f7c045d34ba918d5f60c0d111f85625ab3424930fc4aba1ca88bfda4189eb4842f0f2e8859997c64b729de14d7e6814
SHA1 hash: d2a4000105e47ffad495f864a55822658a198724
MD5 hash: d9a806cbd0892008214dc9d7ea929e42
humanhash: coffee-quiet-arizona-jig
File name:PO 32133311.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'149'441 bytes
First seen:2020-07-11 08:46:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 00be6e6c4f9e287672c8301b72bdabf3 (116 x RedLineStealer, 70 x AsyncRAT, 55 x AgentTesla)
ssdeep 24576:6NA3R5drXdtZVfUxiPMcSezYH29jZFQYcHO6l2leXV:z5bk0PP429jZ63Ilel
Threatray 9'295 similar samples on MalwareBazaar
TLSH 02351202ABE544B2E1330D315D7AB31069BCBD306F35CB6FA7D40DADDA74591A630BA2
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
smtp.yandex.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
98
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Detection(s):
Win.Malware.Autoit-7599063-0
Create hunting rule

SecuriteInfo.com.Troj.NanoCo_TZ.22029.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Creating a file
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Creating a file in the %temp% directory
Using the Windows Management Instrumentation requests
Reading critical registry keys
Launching a service
Setting a keyboard event handler
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bf9caae4940f91401db499ed61a89d3e5ed867bc846f229cced95288739f8dc6/
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Create hunting rule
Status:
Malicious
First seen:
2020-07-11 06:48:16 UTC
AV detection:
24 of 31 (77.42%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=x6okvzeub6iuahnuthwwdke5hzpnqz54qrxsfhgo3fjiq447rxda._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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17b4dcf86e88514472b06653ae8560eaf3da47be3785573e9ffecdbaa4bddcb7
AgentTesla
261ffb59e6589589525b96e900bf69a30ae9bce1ce1ce6cc6542c32a1eeebf08
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28be907f56300a4543b8b1e619aa485f124998bf9f754c78efebded0e4e2693c
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38701fe4b63d1436ba2e26cc7e268327299b58bcccbf074bfb2cbbcf57ceb2ea
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65a59e303768c300ddda71f068996d02af3f154dc48f72c958ec5da2a1260f9c
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772d2f2ea97be3c0b9948701fb6743fc8f717680420fe5ce0101eac3ac6cd1c7
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b358b1ea537bc5e2dd3ddddbd1e9884770665569d5baaf20c2edb73cdd90ac60
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b8ee3458736fa73672b43a4c55e136bafc48b215dcb89dac28b5865ab59fc99c
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d979c57fad17ee45b7f5e6cd7d5c75b48eba1ed2280288fe7cef36fe07c39314
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f5d66dc7bbea20f1b0b5639ece0e786e4df2445f9a518b77a7140287c043986b
AgentTesla
+ 9'285 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger trojan stealer spyware family:agenttesla persistence
Link:
https://tria.ge/reports/200711-t3jwm2ejc6/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of SetThreadContext
Adds Run entry to start application
Reads data files stored by FTP clients
Loads dropped DLL
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Executes dropped EXE
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.

Malspam

AgentTesla

Executable exe bf9caae4940f91401db499ed61a89d3e5ed867bc846f229cced95288739f8dc6

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/24569/

Comments