MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 16fcaf343d6c5ec3c546339a522c47b7e44f0684ff50a7acf49d8439e2956a93. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 16fcaf343d6c5ec3c546339a522c47b7e44f0684ff50a7acf49d8439e2956a93
SHA3-384 hash: a6855353a779cf125ae9809115f15065a3f5bb64489f53aab799683ad1226f08a2ef933a362eb9481b8e2edb0cf22bc5
SHA1 hash: ed43611311d5a94ce56a5fff8e45a8ac437fbf12
MD5 hash: 0dc79297559b6ff6a2db2870c4de1313
humanhash: rugby-one-mississippi-harry
File name:HALKBANK.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:2'750'976 bytes
First seen:2020-07-07 09:59:27 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 24576:SpK6bDDi/AKpo+36j3H+E9xZWQxtfhbSp+Fvhs6Gw3BN7:ErbDmTpxKLDYWfh24Fps6Gw3BN7
Threatray 10'772 similar samples on MalwareBazaar
TLSH B9D5E83975C25418C93A063A847999C1BBB1B74A3B52C71FF097031D9E02BAFBF464DA
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. 07.07.2020 Hesap Ekstresi
Attachment: HALKBANK.zip (contains "HALKBANK.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
88
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/22202/
Detection(s):
SecuriteInfo.com.MSIL.GenKryptik.ENSB.1000.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:
n/a
Link:
https://mwdb.cert.pl/sample/16fcaf343d6c5ec3c546339a522c47b7e44f0684ff50a7acf49d8439e2956a93/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-07 10:01:05 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=c36k6nb5nrpmhrkggonfelchw7se6bue75ikplhutwcdtyuvnkjq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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38de2a27f6860ff3215434f3088f37ffc36c3a487fbfcee619bd1af281883624
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74aa215106b93c168681fc004231c4aa17f655c2fbd2a1eaccc041fb59f6b901
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8424b5a86327251f934d4e4526de3d48b942c0953a866f84de2d7bb19a5fbc04
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99fa917c6f97756ac7ced3ca06142728178550f72be70326ab30420fd4e9797e
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b745f8bc7dd3ee96edc308bcfbe51d0807a32a31be0a99b56a847d9df84cc200
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e111f55125b49b9f9f07fecc8f6506062248511cda75a4428b677536db0df8d1
AgentTesla
+ 10'762 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/200707-n5t1bqkg2a/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Program crash
Suspicious use of SetThreadContext
Adds Run entry to start application
Loads dropped DLL
Executes dropped EXE
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 1db6bb9de6a05bd4f6f7099a2494124e3ba4cd2571ca39d2cb316fa42d6eb98e

AgentTesla

Executable exe 16fcaf343d6c5ec3c546339a522c47b7e44f0684ff50a7acf49d8439e2956a93

(this sample)

  
Dropped by
MD5 90b0d561b8d96daaf0600d043e7b5b60
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 1db6bb9de6a05bd4f6f7099a2494124e3ba4cd2571ca39d2cb316fa42d6eb98e
Cape
Cape
https://www.capesandbox.com/analysis/22202/

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