MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7cbbb45108b03b6052b1d17a50d96f7ab43d16e6ae990a0d588c0cdefe2eab53. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7cbbb45108b03b6052b1d17a50d96f7ab43d16e6ae990a0d588c0cdefe2eab53
SHA3-384 hash: e9a1c21f9e900a7c7530b79967bb0d451f25dd146c0148e33df515415055f6b779c7937e5a317d2ce980b65e6c727784
SHA1 hash: 6b9b9f36b171b687dba393cf09e2008b0a502bda
MD5 hash: dcdf64673b4ce246b5bdf55c95cede66
humanhash: september-steak-floor-cup
File name:Awb_DHL-DOCUMENTS_765476___-Pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:668'672 bytes
First seen:2020-08-03 13:49:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:0YHAgbCa8sGQT6OSwKcoZ8VeB9LH/WYA6EX1Xrb3abE5xC9UzBS57C/EFO/h:THX8kTXSwKcoZ8SLH/WYQVxK57C
Threatray 10'906 similar samples on MalwareBazaar
TLSH F0E4082E3A43A815D93D0A3588E956D16EB175873B01CB0F79CA179C6F03A9B3E0719F
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
68
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/37890/
Detection(s):
Sanesecurity.Rogue.0hr.20200803-0806.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %temp% directory
Running batch commands
Launching a process
Creating a file in the %AppData% directory
Creating a process from a recently created file
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/408034
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
Creates an autostart registry key pointing to binary in C:\Windows
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Add file from suspicious location to autostart registry
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 256254 Sample: Awb_DHL-DOCUMENTS_765476___... Startdate: 03/08/2020 Architecture: WINDOWS Score: 88 37 mail.privateemail.com 2->37 39 Yara detected AgentTesla 2->39 41 Sigma detected: Add file from suspicious location to autostart registry 2->41 43 .NET source code contains very large array initializations 2->43 45 Initial sample is a PE file and has a suspicious name 2->45 8 Awb_DHL-DOCUMENTS_765476___-Pdf.exe 7 2->8         started        11 pcalua.exe 1 2->11         started        13 pcalua.exe 1 1 2->13         started        signatures3 process4 file5 31 C:\Users\user\AppData\Roaming\nuilcee.exe, PE32 8->31 dropped 33 C:\Users\user\AppData\Local\Temp\RegAsm.exe, PE32 8->33 dropped 35 C:\Users\user\...\nuilcee.exe:Zone.Identifier, ASCII 8->35 dropped 15 nuilcee.exe 2 8->15         started        18 cmd.exe 1 8->18         started        20 nuilcee.exe 3 11->20         started        process6 signatures7 53 Writes to foreign memory regions 15->53 55 Allocates memory in foreign processes 15->55 57 Injects a PE file into a foreign processes 15->57 22 RegAsm.exe 2 15->22         started        25 WerFault.exe 15->25         started        27 reg.exe 1 1 18->27         started        29 conhost.exe 18->29         started        process8 signatures9 47 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 22->47 49 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 22->49 51 Creates an autostart registry key pointing to binary in C:\Windows 27->51
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/7cbbb45108b03b6052b1d17a50d96f7ab43d16e6ae990a0d588c0cdefe2eab53/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2020-08-03 13:49:23 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ps53iuiiwa5wauvr2f5fbwlppk2d2fxgv2mqudkyrqgn57rovnjq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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2c0f1d7345f723c437ba09cc6b7b5b451e241c9ed8f35e09679dd6caba835c6a
AgentTesla
3bfaa6286d8fbef05f151d5187b10b0d1db59112e36da9240e240c28a143b624
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42482d36162c303c7dd784ea301aa70e666cfb2659ccbbef0424f4e1081c449f
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4bf95223a897fa6ab4bda57ba941ecedb120c3e0a8564900f4142596e3414585
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642f3ac7ce246c87fed41bc3952ed2086187587f34a5b27270ac3c1ffca8aff3
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7990e636a24b5ae04b8ce433cdcb9ce20d47e60ccca30e6ee5622827a4d67f51
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86339324135e2584d960711e0adad1563fe4d577ff72a5f0a715b8e1768ae69f
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984dcd1e483c7b401fbc79d66b6b9d680d3afd05c570e42d6a02b803ed93cf61
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ae9728810c470303c2769a7e6c100509f13c99180726e8203b0291285a5b0f14
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d3dc0fad4580b2c3d0f5bfe27fd99d66b20f2a2c65c219218f9e6628a9df5d2b
AgentTesla
+ 10'896 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer family:agenttesla
Link:
https://tria.ge/reports/200803-gtw1c6w1qa/
Behaviour
AgentTesla Payload
Agenttesla family
Malware family:
AgentTesla.v2
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7cbbb45108b0/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/7cbbb45108b03b6052b1d17a50d96f7ab43d16e6ae990a0d588c0cdefe2eab53

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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/37890/

Comments