MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0559341de926b16d11ab2ae2516720bad55f44a16d1cdfaf4a06437d54374612. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0559341de926b16d11ab2ae2516720bad55f44a16d1cdfaf4a06437d54374612
SHA3-384 hash: c74a1bb92b3734386831b10a2ee091b8ed5ac0be8f9fa4e615b83e12d92659673bea65f085d9cd6213c4ae081d72b44a
SHA1 hash: 2becef6e493a7e067ee02fcce536c1f2dcc8f5f3
MD5 hash: 9b3462c82f69fbcc99426a93e4234b4f
humanhash: iowa-thirteen-jupiter-finch
File name:HALKBANK.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:2'702'336 bytes
First seen:2020-07-06 09:11:24 UTC
Last seen:2020-07-06 09:57:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'633 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:auv+bF2+7C99u9uvnpfrLVDxjGVy62+E9KzKyeZWNol5DaNkfhbEtp+nEhMnNubf:aDC99WuhfXj3H+E9xZWQxtfhbSp+fU
Threatray 10'584 similar samples on MalwareBazaar
TLSH F0C5E82A7A828804C56A523980B89DC2B77177863B52CB1FF1D7531D5E027AFBB0B1DD
Reporter abuse_ch
Tags:AgentTesla exe geo Halkbank TUR


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: halkbank.com.tr
Sending IP: 45.153.241.46
From: T. HALK BANKASI<EKSTRE@halkbank.com.tr>
Reply-To: T. HALK BANKASI<EKSTRE@halkbank.com.tr>
Subject: T.HALK BANKASI A.S. 06.07.2020 Hesap Ekstresi
Attachment: HALKBANK.zip (contains "HALKBANK.exe")

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

Intelligence

File Origin
# of uploads :
2
# of downloads :
89
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/21422/
Detection(s):
SecuriteInfo.com.CAP_HookExKeylogger.2923.12565.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Running batch commands
Launching a process
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/0559341de926b16d11ab2ae2516720bad55f44a16d1cdfaf4a06437d54374612/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-06 09:13:06 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=avmtihpje2yw2enlflrfczzaxlkv6rfbnuon7l2kazbx2vbxiyja._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
16fcaf343d6c5ec3c546339a522c47b7e44f0684ff50a7acf49d8439e2956a93
AgentTesla
38de2a27f6860ff3215434f3088f37ffc36c3a487fbfcee619bd1af281883624
AgentTesla
537138289e71224816b26b83db4b7d5fe1021e7b915bb512bdb99b8ae5969aae
AgentTesla
6dfcd16fd49c65c541603ff162b0614aabfc70548455b21c3877240855df12c8
AgentTesla
74aa215106b93c168681fc004231c4aa17f655c2fbd2a1eaccc041fb59f6b901
AgentTesla
8424b5a86327251f934d4e4526de3d48b942c0953a866f84de2d7bb19a5fbc04
AgentTesla
99fa917c6f97756ac7ced3ca06142728178550f72be70326ab30420fd4e9797e
AgentTesla
b745f8bc7dd3ee96edc308bcfbe51d0807a32a31be0a99b56a847d9df84cc200
AgentTesla
dc12d4cb1e8224bd26571c7ce1c557740851ac248f56a5e449494e55c0edd722
AgentTesla
e111f55125b49b9f9f07fecc8f6506062248511cda75a4428b677536db0df8d1
AgentTesla
+ 10'574 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/200706-rh51g6l352/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Program crash
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:masslogger_gcch
Create hunting rule
Author:govcert_ch
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 d4210b182cdbdd284a65756202bf9ada7d7b574223a75cab4732a392e9320a4f

AgentTesla

Executable exe 0559341de926b16d11ab2ae2516720bad55f44a16d1cdfaf4a06437d54374612

(this sample)

  
Dropped by
MD5 3418a6f13f352101023b701babbe72c8
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/21422/
  
Dropped by
SHA256 d4210b182cdbdd284a65756202bf9ada7d7b574223a75cab4732a392e9320a4f

Comments