MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a6d227dde6c0444f8b4c15d1599cef04107813015fcf4d6c9134c2f3e4ca7ea2. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
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SHA256 hash: a6d227dde6c0444f8b4c15d1599cef04107813015fcf4d6c9134c2f3e4ca7ea2
SHA3-384 hash: f34e23279552e783c967a8180c2f31b9e873b4bb892177e9eb65104aab68439d15d4b2668cc557b755b72410a3bea465
SHA1 hash: 1453e5435c34d6a21a1605539dfbd575b4a90b0e
MD5 hash: bf57146fabcf404f70ea3f48316a2057
humanhash: oklahoma-crazy-snake-iowa
File name:Payment_advice.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:592'896 bytes
First seen:2023-04-30 12:43:30 UTC
Last seen:2023-05-15 06:23:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:mzzXGKqnAoM/3ETrL1S4r76hoMywmkNT6zTLPGl:mzLynAczxrOW2Yf
Threatray 2'400 similar samples on MalwareBazaar
TLSH T1F6C47C3D29BA5627C1B6C3798BE49423F150AD6B3011EEA954D333A64353B8339D327E
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter cocaman
Tags:AgentTesla exe payment

Intelligence

File Origin
# of uploads :
4
# of downloads :
265
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payment_advice.exe
Verdict:
Malicious activity
Analysis date:
2023-04-30 12:46:19 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/d13e408a-48c8-4928-8553-914bb964ac3d

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/385721/
Detection(s):
SecuriteInfo.com.Trojan.Olock.1.16281.5296.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook packed
Link:
https://www.filescan.io/uploads/644e6294961a21dc785c1325/reports/2bd045fb-2d91-4500-aaf5-6bf37615e18f/overview
Verdict:
Malicious
Labled as:
Trojan.Olock.Generic
Link:
https://www.hybrid-analysis.com/sample/a6d227dde6c0444f8b4c15d1599cef04107813015fcf4d6c9134c2f3e4ca7ea2
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c9d379f5-d7df-4afa-a53e-bc4e66d54110
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1223686
Signature
.NET source code contains very large strings
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 856639 Sample: Payment_advice.exe Startdate: 30/04/2023 Architecture: WINDOWS Score: 100 53 Found malware configuration 2->53 55 Antivirus / Scanner detection for submitted sample 2->55 57 Multi AV Scanner detection for submitted file 2->57 59 7 other signatures 2->59 6 Payment_advice.exe 3 2->6         started        10 oKWQdzh.exe 3 2->10         started        12 oKWQdzh.exe 2 2->12         started        process3 file4 25 C:\Users\user\...\Payment_advice.exe.log, ASCII 6->25 dropped 61 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->61 63 May check the online IP address of the machine 6->63 65 Injects a PE file into a foreign processes 6->65 14 Payment_advice.exe 17 7 6->14         started        19 Payment_advice.exe 6->19         started        67 Antivirus detection for dropped file 10->67 69 Multi AV Scanner detection for dropped file 10->69 71 Machine Learning detection for dropped file 10->71 21 oKWQdzh.exe 14 2 10->21         started        23 oKWQdzh.exe 12->23         started        signatures5 process6 dnsIp7 31 mail.modelinfra.com 159.89.168.198, 49697, 49703, 49704 DIGITALOCEAN-ASNUS United States 14->31 33 api4.ipify.org 173.231.16.77, 443, 49696, 49700 WEBNXUS United States 14->33 43 3 other IPs or domains 14->43 27 C:\Users\user\AppData\Roaming\...\oKWQdzh.exe, PE32 14->27 dropped 29 C:\Users\user\...\oKWQdzh.exe:Zone.Identifier, ASCII 14->29 dropped 45 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->45 47 Tries to steal Mail credentials (via file / registry access) 14->47 49 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->49 35 api.ipify.org 21->35 37 64.185.227.155, 443, 49702 WEBNXUS United States 23->37 39 192.168.2.1 unknown unknown 23->39 41 api.ipify.org 23->41 51 Tries to harvest and steal browser information (history, passwords, etc) 23->51 file8 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a6d227dde6c0444f8b4c15d1599cef04107813015fcf4d6c9134c2f3e4ca7ea2/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-04-28 04:18:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=u3jcpxpgybce7c2mcxivthhpaqihqeybl7hu23ergtbphzgkp2ra._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
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AgentTesla
10378a656282ac8e5d676229bc2151b553e50906495bf0bfe6ec4c93373dc2a8
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1714dd405b8a79815639835e9f5fd074b7a1952fe41032cb520b5046bf627eed
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2c5117280800871fbceb13a571a8d602c17f3c08247c8ccf546bb9dc8adda73e
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493781dc1d845e09f96742dfdc2edaef673ac5d4b2139875929166f2627dc161
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57d148e97edd36a56b6cb5fdfae00c5224b198f9660426e68f4a0555844d803b
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729b3e10a37e42bba3f9999ce8a17bc69f8642d86420f05836a5d0271a718efc
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89a2b28ad32817e9be0489ae7fa0a9134f0f0b38f2e93f74c24e9278492ddb5a
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a9b98a60cb56ec8b3b05c5ebe0656afb6f42a5cb296c8c4fb2dccc283a2fe082
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accc20bc6b2bb01f68c7790e0c5a3a62bc30f8366fb6db99a2315a42a8ed7b2b
AgentTesla
+ 2'390 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/230430-pygftsbe3y/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
d5db32f963ffcc6a798624fa7ea9fc3590946e9207ecdd89ce9d2d2a21f13b18
MD5 hash:
045c32c697215552e2ba45723f0eaf21
SHA1 hash:
f20e0b9e8f680abe173f2fcf4a25980e17a9806e
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/b506f727-d093-41c6-a24a-bf33b8c998ee/
SH256 hash:
87de760d8d86290989b21ba5dad93421012018b16f5d11a83b57bfc59f220843
MD5 hash:
f17136b8fc2338f677073de4166b26f9
SHA1 hash:
ae6ed36047ac7353f907e2b105f5a6f1b7f12a14
Link:
https://www.unpac.me/results/b506f727-d093-41c6-a24a-bf33b8c998ee/
SH256 hash:
ea8d4c91ec5bba5e1db6c17730d7ba5cdbb5ff3c1a777f70c90e91ce599d9b5d
MD5 hash:
27f5124bf8f451bca8d8a15c73c4f521
SHA1 hash:
5fd557e109b8fd1c3b362b64f0ba9f1600c07211
Link:
https://www.unpac.me/results/b506f727-d093-41c6-a24a-bf33b8c998ee/
SH256 hash:
a6d227dde6c0444f8b4c15d1599cef04107813015fcf4d6c9134c2f3e4ca7ea2
MD5 hash:
bf57146fabcf404f70ea3f48316a2057
SHA1 hash:
1453e5435c34d6a21a1605539dfbd575b4a90b0e
Link:
https://www.unpac.me/results/b506f727-d093-41c6-a24a-bf33b8c998ee/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a6d227dde6c0/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.51
Link:
https://yomi.yoroi.company/submissions/a6d227dde6c0444f8b4c15d1599cef04107813015fcf4d6c9134c2f3e4ca7ea2

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
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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

rar d24cb835d46c00c63c465cb32c7d62a85ff3a36670a5f6cc2d7e7363027b799e

AgentTesla

Executable exe a6d227dde6c0444f8b4c15d1599cef04107813015fcf4d6c9134c2f3e4ca7ea2

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 d24cb835d46c00c63c465cb32c7d62a85ff3a36670a5f6cc2d7e7363027b799e
Cape
Cape
https://www.capesandbox.com/analysis/385721/
  
Dropped by
MD5 b14b63c3128eff65b083b5753ad0d36d

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