MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f8c91d5c6dd452a15af5ecaf3ac6c9c076955708fc351ae4b8e2dbda928043fa. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f8c91d5c6dd452a15af5ecaf3ac6c9c076955708fc351ae4b8e2dbda928043fa
SHA3-384 hash: 660821b8e315d6c5726be896d4634902b0358c86d66739013a23c827457e372dbc75654bd7f4360837a50489910b674a
SHA1 hash: a8f5af4521992ae4030eb6ec6797a9ab77afbb61
MD5 hash: 518abf16b8f9c3aa9a1e6cf2987c8d2e
humanhash: edward-bluebird-minnesota-virginia
File name:CONFIRME O PAGAMENTO.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:959'488 bytes
First seen:2023-06-20 06:06:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'656 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:23ieILAXXlYduzgJ0btjbMWoUKcOEyvnV8GDBm/Y7LyDZ+1ZtYq7J3At5iHOq+ZQ:2SeIMXVYx05JSVe/Y7Ll9Yqtm8OqK
Threatray 5'432 similar samples on MalwareBazaar
TLSH T1C115125C9ED4161FE5B61A749B62F6BD1B2ACF05B936D33B2C91B0C79D12B089B00336
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
242
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
CONFIRME O PAGAMENTO.exe
Verdict:
Malicious activity
Analysis date:
2023-06-20 06:09:23 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/525e2d78-2908-41c2-be0b-ede7209cdc7d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
XorStringsNET
Create hunting rule
Link:
https://www.capesandbox.com/analysis/400770/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.58395.29313.3983.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
clipbanker comodo darkkomet packed
Link:
https://www.filescan.io/uploads/649142180d4f96f7b605d51f/reports/2f7dc1f7-1300-46a7-bd87-ed1cdb2cc0b0/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/f8c91d5c6dd452a15af5ecaf3ac6c9c076955708fc351ae4b8e2dbda928043fa
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/077fb917-502b-42c4-8d54-65a29b4c7822
Result
Threat name:
AgentTesla, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1257909
Signature
.NET source code contains potential unpacker
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
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 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 zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 890932 Sample: CONFIRME_O_PAGAMENTO.exe Startdate: 20/06/2023 Architecture: WINDOWS Score: 100 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 4 other signatures 2->49 6 CONFIRME_O_PAGAMENTO.exe 3 2->6         started        10 fRwZyP.exe 3 2->10         started        12 fRwZyP.exe 2 2->12         started        process3 file4 25 C:\Users\...\CONFIRME_O_PAGAMENTO.exe.log, ASCII 6->25 dropped 51 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->51 14 CONFIRME_O_PAGAMENTO.exe 2 5 6->14         started        19 CONFIRME_O_PAGAMENTO.exe 6->19         started        53 Multi AV Scanner detection for dropped file 10->53 55 Injects a PE file into a foreign processes 10->55 21 fRwZyP.exe 2 10->21         started        23 fRwZyP.exe 2 12->23         started        signatures5 process6 dnsIp7 31 us2.smtp.mailhostbox.com 208.91.199.223, 49692, 587 PUBLIC-DOMAIN-REGISTRYUS United States 14->31 27 C:\Users\user\AppData\Roaming\...\fRwZyP.exe, PE32 14->27 dropped 29 C:\Users\user\...\fRwZyP.exe:Zone.Identifier, ASCII 14->29 dropped 35 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->35 37 Tries to steal Mail credentials (via file / registry access) 14->37 39 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->39 33 208.91.199.224, 49693, 49695, 587 PUBLIC-DOMAIN-REGISTRYUS United States 21->33 41 Tries to harvest and steal browser information (history, passwords, etc) 23->41 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f8c91d5c6dd452a15af5ecaf3ac6c9c076955708fc351ae4b8e2dbda928043fa/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-06-19 20:28:45 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7der2xdn2rjkcwxv5sxtvrwjyb3jkvyi7q2rvzfy4ln5veuaip5a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
02094b7e703e771b2837b93696f998aaf57f09b0d44aa4059cb3c4c691f786b4
AgentTesla
39893af7f960c76c20ab2b99e5caa2acabab3c7fc01e47791586f451eba5be5b
AgentTesla
3d0816e876a59f4e3b56bd2105122ef69499f79bab375b0956716494eb286dbd
AgentTesla
415dba49ad160b272fc159f4a7eacba2990c09f0941127acb8c3366fe7866c12
AgentTesla
5ed11a0df9fba27a5396e764f91ffdef4cc12784303f8d48bd1090528df306de
AgentTesla
841c2906a20d94ec86b77f8521073f13981909c97a739a06f84a7bb9dc9cbe6b
AgentTesla
beeb040b9ea080d5d326ecfdd0429cd872ce09138c70eb2975433f3f9878adf5
AgentTesla
c4c9edf6afbb7299ed861464f6235508fe155c28df677fc2c25f7b2ff47d0131
AgentTesla
ddde47cccacd1004e6fea80b5f6914f9b6e4601c7d0a09bd0334a4533a04c847
AgentTesla
fac4132b5be4248c8f6108ca534249ce3e1ff0d162cdb15c6c551bc137425a1d
AgentTesla
+ 5'422 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/230620-gvb3yaac34/
Behaviour
Suspicious behavior: EnumeratesProcesses
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
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:
ed1d91869e103cc51f004915a26a3d9a36acea8f286f6dda8e73ec0a278e23cb
MD5 hash:
f0235243bc926f23828ca892cca6d4d3
SHA1 hash:
edb37745ffca1fec6c75eb621f838b9423fe9acc
Link:
https://www.unpac.me/results/e9c6acaa-1c51-45b2-8658-f775d3616193/
SH256 hash:
52f358d201e81d3a0391cedd3042e2f957555b77aa49559f7fb810bbb7673ba1
MD5 hash:
c785ddc46141af772c75101d17c46a41
SHA1 hash:
e248723b6f60cc7607980d07172b64c33b2b2f15
Link:
https://www.unpac.me/results/e9c6acaa-1c51-45b2-8658-f775d3616193/
SH256 hash:
e4a4d657b6b332f75ceaf14383ae0726a7301de9d3dbcabb7c4b960918b79fad
MD5 hash:
19c3328ba667c3f6100a478c770c6e2b
SHA1 hash:
cdc3badd392f22a8b289cbe96ee4eab4791f0f79
Link:
https://www.unpac.me/results/e9c6acaa-1c51-45b2-8658-f775d3616193/
SH256 hash:
0ba01b124c83ccf9b8b892d848f88617aa139836678ba325f62cc9f74985141d
MD5 hash:
d8cf896639add8b3c019dcc85627ad2b
SHA1 hash:
b5a7d10d585079387a310cb25bcd123c97571c92
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/e9c6acaa-1c51-45b2-8658-f775d3616193/
Parent samples :
02094b7e703e771b2837b93696f998aaf57f09b0d44aa4059cb3c4c691f786b4
f8c91d5c6dd452a15af5ecaf3ac6c9c076955708fc351ae4b8e2dbda928043fa
841c2906a20d94ec86b77f8521073f13981909c97a739a06f84a7bb9dc9cbe6b
c4601cad0efe4bededd885b43f5dda120088b79d33b8ea317697e4a72ce637eb
3135420881e7d4063d9883244d5803d596092d9fd6283137cc22876bee45564e
762486e96e54ff18ca1f24be9c149b563117564cb3d1836db4262d8306e55b7c
SH256 hash:
24b077fd9b344cd944a736f24ada8b80c7285f7343ff9dc56b58769bde27e4f6
MD5 hash:
64fcc151459a284a183dbbc044aa2142
SHA1 hash:
a33fa55f857e654bb5688c116680217e673bb600
Link:
https://www.unpac.me/results/e9c6acaa-1c51-45b2-8658-f775d3616193/
SH256 hash:
f8c91d5c6dd452a15af5ecaf3ac6c9c076955708fc351ae4b8e2dbda928043fa
MD5 hash:
518abf16b8f9c3aa9a1e6cf2987c8d2e
SHA1 hash:
a8f5af4521992ae4030eb6ec6797a9ab77afbb61
Link:
https://www.unpac.me/results/e9c6acaa-1c51-45b2-8658-f775d3616193/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f8c91d5c6dd4/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f8c91d5c6dd452a15af5ecaf3ac6c9c076955708fc351ae4b8e2dbda928043fa

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: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 f8c91d5c6dd452a15af5ecaf3ac6c9c076955708fc351ae4b8e2dbda928043fa

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/400770/

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