MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f9f51057147aed7f7d89b6261557fc2cc27c60ef13d0eab5b054aec2e658b29. 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: 5


Intelligence 5 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4f9f51057147aed7f7d89b6261557fc2cc27c60ef13d0eab5b054aec2e658b29
SHA3-384 hash: 506a833654d76d76f303dac7ec2f830527299e8d924c533d2eae89d6cff0e5c0f90b17564144176c0dfb310c158fd6f5
SHA1 hash: ff0b31f2c47c428ec20f2621ddf68fe0bd3d5669
MD5 hash: bcd9c04858489c21ced776f33f30ecb5
humanhash: snake-hotel-florida-bakerloo
File name:SecuriteInfo.com.BehavesLike.Win32.Generic.gc.4867
Download: download sample
Signature AgentTesla
Create hunting rule
File size:484'864 bytes
First seen:2020-10-15 15:42:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 6144:er0Dx9dBuk7Rxpq8BSvMPIeQFIna2xUbOu8xrlzYrttL9O3CIDqiXrV0kn7COu:egD/3Jrpq+AKa2SbOuQlIwnx17COu
Threatray 271 similar samples on MalwareBazaar
TLSH 3AA4BFB27D92546ECA6F077550AA81C1FAB616C73FA08B0D71AF430C0E11B1BEB5764B
Reporter SecuriteInfoCom
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
1
# of downloads :
83
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/71458/
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Generic.gc.4867.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a file in the %temp% subdirectories
Creating a window
Creating a file
Running batch commands
Launching a process
Creating a file in the %AppData% subdirectories
Creating a process from a recently created 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:
72 / 100
Link:
https://www.joesandbox.com/analysis/492698
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Creates an autostart registry key pointing to binary in C:\Windows
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Add file from suspicious location to autostart registry
Tries to detect virtualization through RDTSC time measurements
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 298814 Sample: SecuriteInfo.com.BehavesLik... Startdate: 15/10/2020 Architecture: WINDOWS Score: 72 32 Multi AV Scanner detection for dropped file 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 Yara detected AgentTesla 2->36 38 6 other signatures 2->38 7 SecuriteInfo.com.BehavesLike.Win32.Generic.gc.exe 9 2->7         started        11 pcalua.exe 1 2->11         started        13 pcalua.exe 1 1 2->13         started        process3 file4 24 C:\Users\user\AppData\Roaming\...\hy3n.exe, PE32 7->24 dropped 26 C:\Users\user\...\hy3n.exe:Zone.Identifier, ASCII 7->26 dropped 28 SecuriteInfo.com.B....Generic.gc.exe.log, ASCII 7->28 dropped 30 2 other files (none is malicious) 7->30 dropped 42 Tries to detect virtualization through RDTSC time measurements 7->42 15 cmd.exe 1 7->15         started        17 hy3n.exe 2 7->17         started        signatures5 process6 process7 19 reg.exe 1 1 15->19         started        22 conhost.exe 15->22         started        signatures8 40 Creates an autostart registry key pointing to binary in C:\Windows 19->40
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4f9f51057147aed7f7d89b6261557fc2cc27c60ef13d0eab5b054aec2e658b29/
Threat name:
ByteCode-MSIL.Trojan.Masson
Create hunting rule
Status:
Malicious
First seen:
2020-10-15 14:53:50 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Verdict:
unknown
Similar samples:
050daf7c3451797914a6a6a1dc62caf6e739a1177030b91a918b5686df7ec77a
AgentTesla
2a98548d44123e8fd77535fd77d107c0fb675cd269bdd82a95e8c5127c62fcc8
AgentTesla
333a258f45e7a8baaab72b1539859a00bca7309a8d641490329184977090b540
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53a55d9370ca3596d51b4b22a9b1808ed8f60eedf8d11bc8b81b33d068028fad
AgentTesla
5650c4cb25367d0e96c18c28c72460ea457f621840be07fc09dc2b19d05c0b88
AgentTesla
87d8ef6a4c6bf661d7957a62b9e8e9ea6627f80227f9ea88502bf601b94a960e
AgentTesla
9a0f13aaacc9774750adc92ab35b8e9abbc7eeba12b62a3ef3197a88fad675fb
AgentTesla
9ac3db8027c9eefbba6e112514370a2c4b35d04380540b04deaa91dc92cc3e9b
AgentTesla
b76efd5481457c3cc47629fbb3a406b85cbbdf0058b295f918e73c4a0b63ae52
AgentTesla
dcdf9338be399d3f441d940e06370af20cff1719876d62774f0eff3254265d1d
AgentTesla
+ 261 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence
Link:
https://tria.ge/reports/201015-rw5rzjwx9n/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Drops file in Drivers directory
Executes dropped EXE
Unpacked files
SH256 hash:
4f9f51057147aed7f7d89b6261557fc2cc27c60ef13d0eab5b054aec2e658b29
MD5 hash:
bcd9c04858489c21ced776f33f30ecb5
SHA1 hash:
ff0b31f2c47c428ec20f2621ddf68fe0bd3d5669
Link:
https://www.unpac.me/results/f8cc36a0-69f5-4277-8b17-170c55508925/
SH256 hash:
eb865f3826aec9467f92f444d9fcd51e5bcb930b6e1648e3de97c87c471453c2
MD5 hash:
0d884c60f8bbde2d7f2c617fdec6cbed
SHA1 hash:
bebe37ba908d9dbfa5d750a6282f675cd31ef544
Link:
https://www.unpac.me/results/f8cc36a0-69f5-4277-8b17-170c55508925/
SH256 hash:
19d9922060be89a70b76e5c0056e751f1baa5d41819235c92cf4f5d7668e1267
MD5 hash:
811864a0b06c529af894a7fec6ddbf47
SHA1 hash:
d35b82933eb06a6ec60e8cbbdb65eb6cdcaeb6d2
Link:
https://www.unpac.me/results/f8cc36a0-69f5-4277-8b17-170c55508925/
Parent samples :
afa2f55e149097f9b250142bbfd94d9d56d10649c96adb079fdb0dfdac7c6660
69e2ae11e1b5cbe120bf02301191a1cf05e87fc09b09d63bd782abbf3615d05d
0b778873c94f6bc89a40294c0e85a38ab82509260cd2a2e8b73d00c5c90e8757
7ddfa6f44a60f4b894321f6977f8121cfb371c3c61ac872c58ba61fd5ee13deb
SH256 hash:
542654e8a1272dce58e4f568c4af0f880564df9ab51d204d5016266c6da482c8
MD5 hash:
8bf491cca8544b23e47d9b39db1b60ce
SHA1 hash:
d254579ad4c72ef58b7f751732cde7642dad2f1a
Link:
https://www.unpac.me/results/f8cc36a0-69f5-4277-8b17-170c55508925/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4f9f51057147aed7f7d89b6261557fc2cc27c60ef13d0eab5b054aec2e658b29

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:ach_AgentTesla_20200929
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:win_agent_tesla_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information

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

Web download

AgentTesla

Executable exe 4f9f51057147aed7f7d89b6261557fc2cc27c60ef13d0eab5b054aec2e658b29

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/71458/
  
URLhaus
https://urlhaus.abuse.ch/url/697845/
  
Delivery method
Distributed via web download

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