MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8f348bddd7f0130d5cb44993275cc8fa322b48e0a54ec61dc8449dd20d02fd75. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
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SHA256 hash: 8f348bddd7f0130d5cb44993275cc8fa322b48e0a54ec61dc8449dd20d02fd75
SHA3-384 hash: 4a0521e7355021ffb798170565c10fea907a95e591d41894d7c61b10b37c75b5f038a84ea7947c988e54d408a9a136d2
SHA1 hash: 33dbf9fedcc4f20232e0762588ead3c4bf78d98d
MD5 hash: 01bf2f60d2926446e55276d321d842c8
humanhash: steak-lithium-maine-fillet
File name:Halkbank_Ekstre_20211012_073809_405251-PDF.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:256'512 bytes
First seen:2021-10-12 11:34:40 UTC
Last seen:2021-10-12 13:03:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 3072:5paEOOOOOkOOOOOOFOOOOOOOOORo3xZYM3RkGKG5OC6ezktCTl9EM2cv2q:5SEx2FGKqOC/zkilqn
Threatray 482 similar samples on MalwareBazaar
TLSH T10C445B403EB06470EED462721CB7E1750A7B7A59C858168ABF0ABEFF4CE1A4A0F17355
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
187
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Halkbank_Ekstre_20211012_073809_405251-PDF.exe
Verdict:
Suspicious activity
Analysis date:
2021-10-12 11:36:23 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/bc3af381-bd03-4c40-9fb5-36832b921638

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/196917/
Detection(s):
SecuriteInfo.com.MSIL.TrojanDownloader.Agent.JBH.20867.8088.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a service
Creating a window
DNS request
Connection attempt
Sending a custom TCP request
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Creating a process with a hidden window
Deleting a recently created file
Creating a file in the Windows subdirectories
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Creating a file
Running batch commands
Blocking the Windows Defender launch
Blocking the User Account Control
Adding exclusions to Windows Defender
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/616572eafd35fe780c3a7c63/reports/83a5ac63-a426-49ea-bafb-df4a0e168b7b/overview
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/000ec041-6d5d-470c-84ea-420c24f898f2
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/868589
Signature
Adds a directory exclusion to Windows Defender
Bypasses PowerShell execution policy
Creates an autostart registry key pointing to binary in C:\Windows
Creates autostart registry keys with suspicious names
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files to the startup folder
Drops PE files with benign system names
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Sigma detected: Powershell adding suspicious path to exclusion list
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicious Script Execution From Temp Folder
Suspicious powershell command line found
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Yara detected AntiVM3
Yara detected AsyncRAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 501015 Sample: Halkbank_Ekstre_20211012_07... Startdate: 12/10/2021 Architecture: WINDOWS Score: 100 87 cdn.discordapp.com 2->87 89 canonicalizer.ucsuri.tcs 2->89 107 Sigma detected: Powershell adding suspicious path to exclusion list 2->107 109 Multi AV Scanner detection for submitted file 2->109 111 Yara detected UAC Bypass using CMSTP 2->111 113 10 other signatures 2->113 9 Halkbank_Ekstre_20211012_073809_405251-PDF.exe 25 11 2->9         started        14 svchost.exe 2->14         started        16 svchost.exe 2->16         started        18 4 other processes 2->18 signatures3 process4 dnsIp5 99 ntlplaast11.duckdns.org 37.0.10.13, 49765, 49772, 8808 WKD-ASIE Netherlands 9->99 101 cdn.discordapp.com 162.159.133.233, 443, 49732, 49734 CLOUDFLARENETUS United States 9->101 73 C:\Windows\Cursors\svchost.exe, PE32 9->73 dropped 75 C:\Users\user\AppData\...\???????????????.exe, PE32 9->75 dropped 77 C:\Users\user\AppData\Local\Temp\zbbvlv.exe, PE32 9->77 dropped 85 3 other files (2 malicious) 9->85 dropped 121 Creates autostart registry keys with suspicious names 9->121 123 Drops PE files to the startup folder 9->123 125 Creates an autostart registry key pointing to binary in C:\Windows 9->125 127 Drops PE files with benign system names 9->127 20 cmd.exe 9->20         started        23 ???????????????.exe 9->23         started        27 AdvancedRun.exe 1 9->27         started        33 8 other processes 9->33 103 162.159.135.233, 443, 49767, 49768 CLOUDFLARENETUS United States 14->103 79 C:\Users\user\AppData\...\AdvancedRun.exe, PE32 14->79 dropped 129 System process connects to network (likely due to code injection or exploit) 14->129 131 Machine Learning detection for dropped file 14->131 133 Adds a directory exclusion to Windows Defender 14->133 29 AdvancedRun.exe 14->29         started        81 C:\Users\user\AppData\...\AdvancedRun.exe, PE32 16->81 dropped 105 127.0.0.1 unknown unknown 18->105 83 C:\Users\user\AppData\...\AdvancedRun.exe, PE32 18->83 dropped 31 AdvancedRun.exe 18->31         started        file6 signatures7 process8 dnsIp9 115 Suspicious powershell command line found 20->115 117 Bypasses PowerShell execution policy 20->117 35 powershell.exe 20->35         started        37 conhost.exe 20->37         started        93 162.159.129.233, 443, 49755, 49756 CLOUDFLARENETUS United States 23->93 95 cdn.discordapp.com 23->95 71 C:\Users\user\AppData\...\AdvancedRun.exe, PE32 23->71 dropped 119 Adds a directory exclusion to Windows Defender 23->119 39 AdvancedRun.exe 23->39         started        41 powershell.exe 23->41         started        49 4 other processes 23->49 97 192.168.2.1, 274 unknown unknown 27->97 43 AdvancedRun.exe 27->43         started        45 AdvancedRun.exe 29->45         started        47 AdvancedRun.exe 31->47         started        51 8 other processes 33->51 file10 signatures11 process12 process13 53 zbbvlv.exe 35->53         started        57 AdvancedRun.exe 39->57         started        59 conhost.exe 41->59         started        61 conhost.exe 49->61         started        63 conhost.exe 49->63         started        65 conhost.exe 49->65         started        67 conhost.exe 49->67         started        dnsIp14 91 cdn.discordapp.com 53->91 69 C:\Users\user\AppData\...\AdvancedRun.exe, PE32 53->69 dropped file15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8f348bddd7f0130d5cb44993275cc8fa322b48e0a54ec61dc8449dd20d02fd75/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-10-12 10:19:41 UTC
AV detection:
15 of 28 (53.57%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=r42ixxox6ajq2xfujgjsoxgi7izcwshauvhmmhoiiso5edic7v2q._file
Verdict:
malicious
Similar samples:
1f4ccad233d733ecf2c0374593f95ea0bd521a17e82206b17fd74948faca974c
AgentTesla
3207b29dc3b4396073112e25e54d5806aa95234b460aaea32e970d9ba725559e
AgentTesla
519ba7ae267491633e2a01e55735586ba94829871e5c4ec2fe0a5c8fafe004b8
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70cb4ed4ee85184589dc4b5bb72dd1313b133b428e6604bde1a7e1da7fb216ae
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954988371d8cebea1a69f2c1a47d50b13b9eb82630e5fbc5069105bd12b7b541
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a24f5f4b32db9b6d284e1abd91640aefffd14dcc2c3c7b3942f6a7c02cfdbed2
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a397a5fde8ef63a32f7867346eebabd48d1ddf0a60c0d95abf431d9d2c51e017
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b3847e885fde014d20644ed7e2ac69d8c6708b05700a416721de68e77d7cd66f
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c7ce97bf28191b9f81871421f7f6fea0c86fca516d3e8706e16c0f07e9e7ed5b
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d642eb17671f269eddc3d1045845374a45eda0a7c3fd197d8b7f6a3355ba01d6
AgentTesla
+ 472 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:default evasion persistence rat trojan
Link:
https://tria.ge/reports/211012-np1yfacbgq/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System policy modification
Enumerates physical storage devices
Drops file in Windows directory
Adds Run key to start application
Checks whether UAC is enabled
Drops startup file
Loads dropped DLL
Windows security modification
Executes dropped EXE
Async RAT payload
Nirsoft
AsyncRat
Modifies Windows Defender Real-time Protection settings
Turns off Windows Defender SpyNet reporting
UAC bypass
Windows security bypass
Malware Config
C2 Extraction:
ntlplaast11.duckdns.org:6606
ntlplaast11.duckdns.org:7707
ntlplaast11.duckdns.org:8808
Unpacked files
SH256 hash:
8f348bddd7f0130d5cb44993275cc8fa322b48e0a54ec61dc8449dd20d02fd75
MD5 hash:
01bf2f60d2926446e55276d321d842c8
SHA1 hash:
33dbf9fedcc4f20232e0762588ead3c4bf78d98d
Link:
https://www.unpac.me/results/d5c8ef10-722e-4729-95be-0042a9a9cf88/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/8f348bddd7f0/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/8f348bddd7f0130d5cb44993275cc8fa322b48e0a54ec61dc8449dd20d02fd75

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:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

AgentTesla

Executable exe 8f348bddd7f0130d5cb44993275cc8fa322b48e0a54ec61dc8449dd20d02fd75

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/196917/

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