MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 72b3b93893acb244e008415a8d84f5729707c2f3495a2fa5745c0d7763a2f2cf. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 72b3b93893acb244e008415a8d84f5729707c2f3495a2fa5745c0d7763a2f2cf
SHA3-384 hash: 9d6054cc9a5ec65477fb01d72bf2274161a99879e1b1a30af595e8365b78467781c9f477799c2d199b4b50b0c958a01d
SHA1 hash: 2627fb1421bb6597f7a0f3e0281a14e4a39cebfe
MD5 hash: a1af913c02734240b4a67d3163c6b4a1
humanhash: michigan-louisiana-east-pennsylvania
File name:justificantes de pago de las facturas_1234445.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:468'992 bytes
First seen:2022-01-17 15:56:04 UTC
Last seen:2022-01-17 17:48:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'642 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 12288:MD0nY2seJ9za+7ZwZGu7l3P9rMicWMq8IzY34DkRRRRRERe:DnY2J9b7+GwM73IVDkRRRRRER
Threatray 14'119 similar samples on MalwareBazaar
TLSH T1ADA4013D177C2622DB7E53FA8C86AA1213744B7AB0A4D78A2CD1DCCA3D52F00D591B5B
File icon (PE):PE icon
dhash icon 84cab4dcd4f688c4 (1 x AgentTesla)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
214
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
justificantes de pago de las facturas_1234445.exe
Verdict:
Malicious activity
Analysis date:
2022-01-17 16:04:04 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/d4e072ef-67b0-44c7-832a-39f142ce78b3

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/219878/
Detection(s):
SecuriteInfo.com.ArtemisA1AF913C0273.11233.31031.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a custom TCP request
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed print.exe replace.exe update.exe
Link:
https://www.filescan.io/uploads/61e591d5d32385db63fbf264/reports/04dc1d88-c869-43b3-a863-e6568344626a/overview
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/a49f0c43-474c-4fb2-865d-789c2b618b72
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/921892
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
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: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
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 ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 554370 Sample: justificantes de pago de la... Startdate: 17/01/2022 Architecture: WINDOWS Score: 100 33 Found malware configuration 2->33 35 Multi AV Scanner detection for dropped file 2->35 37 Yara detected AgentTesla 2->37 39 14 other signatures 2->39 7 justificantes de pago de las facturas_1234445.exe 7 2->7         started        process3 file4 23 C:\Users\user\AppData\...\pCArkDqJeAhcnJ.exe, PE32 7->23 dropped 25 C:\...\pCArkDqJeAhcnJ.exe:Zone.Identifier, ASCII 7->25 dropped 27 C:\Users\user\AppData\Local\Temp\tmpE68.tmp, XML 7->27 dropped 29 justificantes de p...ras_1234445.exe.log, ASCII 7->29 dropped 41 Adds a directory exclusion to Windows Defender 7->41 11 justificantes de pago de las facturas_1234445.exe 15 2 7->11         started        15 powershell.exe 24 7->15         started        17 schtasks.exe 1 7->17         started        signatures5 process6 dnsIp7 31 api.telegram.org 149.154.167.220, 443, 49810 TELEGRAMRU United Kingdom 11->31 43 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->43 45 Tries to steal Mail credentials (via file / registry access) 11->45 47 Tries to harvest and steal ftp login credentials 11->47 49 Tries to harvest and steal browser information (history, passwords, etc) 11->49 19 conhost.exe 15->19         started        21 conhost.exe 17->21         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/72b3b93893acb244e008415a8d84f5729707c2f3495a2fa5745c0d7763a2f2cf/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-01-17 15:57:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=okz3soetvszejyaiifni3bhvoklqpqxtjfnc7jlulqgxoy5c6lhq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
280d235d438c2e7975548f56d6816f9e6fa08c3fe55f5b250734a15bc8f9edc7
AgentTesla
3146451b8705dcf7a850cea01e3e68513448d9f92212129162e8c5d80ff1020e
AgentTesla
4fa37c31a5207940aa9e0d00fc393f91532e6da3a7dcabba9ab902e33a14afbe
AgentTesla
877a10d92f5b06000711b96af3b0705ff13494b7eb38804adcf3f207457cf51a
AgentTesla
9d393dc3fda68914e201012280b9eed4fd76c0dd077817c83c9e05cdf5d3cab8
AgentTesla
ad2fa7de2b185433a3cdc8af606b887bbcf831d30286596ca929f9cae6d516cc
AgentTesla
f663110aed2d5fdecf27fba39beabc90e72397d4fd661f381d1767aac3cf4438
AgentTesla
+ 14'109 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/220117-tddxesbdfq/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot2096570796:AAFnZNEvwKFujGuddoZpUn0YlDPa06AduLg/sendDocument
Unpacked files
SH256 hash:
9fd78a0e8bcb4e15ec870179a631a1a74ec090b95af013577a8da2a5d32f8787
MD5 hash:
292065ca2eb8620dbb69e97773c74837
SHA1 hash:
a9c0a87a5cc8dd4290d3635d53e63af81ef26fe0
Link:
https://www.unpac.me/results/aad8f7de-31ca-4101-9b1b-16aaa643b672/
SH256 hash:
6c18ba6e56be4a843da6b7e9fbfad74c27a1316e5efe62b44111044628d83864
MD5 hash:
c83d5f08621fadf2cd70115a98660e98
SHA1 hash:
a20e8a6392ba62f154585a432e017a0edb562dfc
Link:
https://www.unpac.me/results/aad8f7de-31ca-4101-9b1b-16aaa643b672/
SH256 hash:
505e2399f8ea8c7703d6eb618d704eacc73c2ca91cfbfca074d92bf1e518e3af
MD5 hash:
f01ecc839ff879e6f59ee20b213d404a
SHA1 hash:
22c0e4a35e9705a5b582b845fd9a58d58c999bd4
Link:
https://www.unpac.me/results/aad8f7de-31ca-4101-9b1b-16aaa643b672/
SH256 hash:
72b3b93893acb244e008415a8d84f5729707c2f3495a2fa5745c0d7763a2f2cf
MD5 hash:
a1af913c02734240b4a67d3163c6b4a1
SHA1 hash:
2627fb1421bb6597f7a0f3e0281a14e4a39cebfe
Link:
https://www.unpac.me/results/aad8f7de-31ca-4101-9b1b-16aaa643b672/
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/72b3b93893acb244e008415a8d84f5729707c2f3495a2fa5745c0d7763a2f2cf

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 72b3b93893acb244e008415a8d84f5729707c2f3495a2fa5745c0d7763a2f2cf

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/219878/

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