MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 306edb00a6b17556e88eee9df64c1c557fdd2341107df8829224fcfe313c4781. 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: 306edb00a6b17556e88eee9df64c1c557fdd2341107df8829224fcfe313c4781
SHA3-384 hash: 7c2142a76c6e51916c42188e40826564bba4735b47b776deb9ceabd4fe8d315a3c27d1b160733de229a257662d9618ac
SHA1 hash: 499d659db1c9ca8102ca5d244431f45813a97b60
MD5 hash: c2b816a6c68c6c66132d6d63e0940e36
humanhash: pluto-undress-sweet-magazine
File name:HALKBANK.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:462'848 bytes
First seen:2020-06-24 07:41:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:aU6hdPPUeMfwG5k6CiZL5oMEeTdstbGXDI4uxcQCfDTJ23oh+DfcL6kDG9ceAO1I:aUoNMfw0k4Z384NffqHw5S9Xsi8F
Threatray 11'248 similar samples on MalwareBazaar
TLSH A1A4F10B37ECB92BC67C05F998E1AB0403B21ABB7193F3D92C80759555E33E61A156CB
Reporter abuse_ch
Tags:AgentTesla exe geo Halkbank TUR


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: halkbank.com.tr
Sending IP: 45.138.172.253
From: T. HALK BANKASI<EKSTRE@halkbank.com.tr>
Reply-To: T. HALK BANKASI<EKSTRE@halkbank.com.tr>
Subject: T.HALK BANKASI A.S. 24.06.2020 Hesap Ekstresi
Attachment: HALKBANK.zip (contains "HALKBANK.exe")

AgentTesla SMTP exfil server:
mail.bunsadokum.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
96
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/13574/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
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
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun with Startup directory
Unauthorized injection to a system process
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/306edb00a6b17556e88eee9df64c1c557fdd2341107df8829224fcfe313c4781/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-06-24 07:42:05 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=gbxnwafgwf2vn2eo52o7mta4kv752i2bcb67rauset6p4mj4i6aq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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7d56a78ec4597281ff8c36645c1ff7286cf3d494965a2acd6666ece2d8ff856b
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7dfe5d9e3e099285a3bc63497d1ee47ac99b7012f23beb730d73557b40afa26c
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be6b98f0f0274a3f15846d240998a5f0dc24b9ba6fca10834dcb50a65f424704
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+ 11'238 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/200624-q58txnkpba/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Creates scheduled task(s)
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Reads data files stored by FTP 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.

Malspam

AgentTesla

zip 38254775c9f9aea2c84c4349ecbd85e6b70b51f561db78222a19cc86135c18ab

AgentTesla

Executable exe 306edb00a6b17556e88eee9df64c1c557fdd2341107df8829224fcfe313c4781

(this sample)

  
Dropped by
MD5 8adefbc09cc6bc4737c25c16a3086753
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/13574/
  
Dropped by
SHA256 38254775c9f9aea2c84c4349ecbd85e6b70b51f561db78222a19cc86135c18ab

Comments