MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 64ff519257d1070b845d9b5150375782b75871ea4efa65e01495df2ac51a57e3. 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: 17


Intelligence 17 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 64ff519257d1070b845d9b5150375782b75871ea4efa65e01495df2ac51a57e3
SHA3-384 hash: c4d7aa323554c0ad1c2bf483ecf336c36398735e1be906ef4a34bec98da1e8192010839a3aeb1fc28ba500b59ad5ccb0
SHA1 hash: 4ebdaaf3451a02f33718d60ea6884438d6515f07
MD5 hash: 4bfa76cf1c8038f869cc73be9bc0fe1c
humanhash: spring-october-finch-carbon
File name:Scan_21072023.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:815'616 bytes
First seen:2023-07-24 07:37:31 UTC
Last seen:2023-07-24 08:32:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:KOSB9kVCApaeGrsLkrjHJEswGRJn23wN:KLB9kieGr6WFEKk
Threatray 544 similar samples on MalwareBazaar
TLSH T19305173818B81627C1B4DFF58AD18427B2E0A96F7114EE34ADD357D64216B06E9C3A3F
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
300
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
Scan_21072023.pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-07-24 07:40:42 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/75a29809-e108-41d1-953f-c89d57bf6596

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/430595/
Detection(s):
SecuriteInfo.com.Trojan.Generic.34038503.25691.20894.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Gathering data
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/64ff519257d1070b845d9b5150375782b75871ea4efa65e01495df2ac51a57e3
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/0816ed4e-f93a-462c-ae93-473ea3f533a1
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1278097
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Adds a directory exclusion to Windows Defender
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
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
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)
Uses an obfuscated file name to hide its real file extension (double extension)
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 Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1278097 Sample: Scan_21072023.pdf.exe Startdate: 24/07/2023 Architecture: WINDOWS Score: 100 66 Snort IDS alert for network traffic 2->66 68 Found malware configuration 2->68 70 Sigma detected: Scheduled temp file as task from temp location 2->70 72 10 other signatures 2->72 7 Scan_21072023.pdf.exe 7 2->7         started        11 plQRn123.exe 5 2->11         started        13 uebXePc.exe 5 2->13         started        15 plQRn123.exe 2->15         started        process3 file4 46 C:\Users\user\AppData\Roaming\uebXePc.exe, PE32 7->46 dropped 48 C:\Users\user\...\uebXePc.exe:Zone.Identifier, ASCII 7->48 dropped 50 C:\Users\user\AppData\Local\...\tmpDA1C.tmp, XML 7->50 dropped 52 C:\Users\user\...\Scan_21072023.pdf.exe.log, ASCII 7->52 dropped 82 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->82 84 May check the online IP address of the machine 7->84 86 Uses schtasks.exe or at.exe to add and modify task schedules 7->86 88 Adds a directory exclusion to Windows Defender 7->88 17 Scan_21072023.pdf.exe 17 10 7->17         started        22 powershell.exe 21 7->22         started        24 schtasks.exe 1 7->24         started        90 Multi AV Scanner detection for dropped file 11->90 92 Machine Learning detection for dropped file 11->92 94 Injects a PE file into a foreign processes 11->94 26 plQRn123.exe 11->26         started        28 schtasks.exe 11->28         started        30 uebXePc.exe 13->30         started        32 schtasks.exe 1 13->32         started        signatures5 process6 dnsIp7 54 api4.ipify.org 173.231.16.76, 443, 49700 WEBNXUS United States 17->54 56 api.telegram.org 149.154.167.220, 443, 49701, 49702 TELEGRAMRU United Kingdom 17->56 58 api.ipify.org 17->58 42 C:\Users\user\AppData\...\plQRn123.exe, PE32 17->42 dropped 44 C:\Users\...\plQRn123.exe:Zone.Identifier, ASCII 17->44 dropped 74 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->74 76 Tries to steal Mail credentials (via file / registry access) 17->76 78 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->78 34 conhost.exe 22->34         started        36 conhost.exe 24->36         started        60 api.ipify.org 26->60 80 Tries to harvest and steal browser information (history, passwords, etc) 26->80 38 conhost.exe 28->38         started        62 104.237.62.211, 443, 49703, 49704 WEBNXUS United States 30->62 64 api.ipify.org 30->64 40 conhost.exe 32->40         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/64ff519257d1070b845d9b5150375782b75871ea4efa65e01495df2ac51a57e3/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-07-21 09:05:52 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
20 of 25 (80.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mt7vdesx2edqxbc5tnivan2xqk3vq4pkj35glyausxpsvri2k7rq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
05ea84c903e4eb75d9defe3cd550ef0ee979086ade208e9cf84f5d80530820ce
AgentTesla
0ede8adc61c16ae2b85bb3d904addf4e9c508d351f14f36aae3d047e3a170fb6
AgentTesla
12ac0e2bc46fbe7377d72d30e0759b03ed3f5b79f58d4b75a33d3a1f869fe671
AgentTesla
2e78012d035442cebd8d05497d70e0e6e5cb6d82ac033aa4b150b444197669a6
AgentTesla
3e6bbe38e8e9e781e0354485ee68334d4b81ae0077a280d2b4c42fc747cec650
AgentTesla
645b2e636bbac0e932dbec4e04fb247e334c801818abd8d42770d1ec1af797a0
AgentTesla
813a788e994973d72735e6932a563ba889c356d03c2835ae90a75e7679ba23b9
AgentTesla
bf5e0325eb6371cde268e2798df868725f430a77a61a796694ea1ae7f66dbd89
AgentTesla
c7f690c33e83ce246c48b918864dae66b4b6964116046cfa34de6bd3a81c2964
AgentTesla
f03390fa3307e28389f6581e930065b810892ddb2cd0b12f59ccf896e1852681
AgentTesla
+ 534 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/230724-jgeb9abd37/
Behaviour
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
Adds Run key to start application
Looks up external IP address via web service
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
Malware Config
C2 Extraction:
https://api.telegram.org/bot6049792420:AAHwUyqJTP4pl8DBra94fSd55sxG3oBrU5U/
Unpacked files
SH256 hash:
894014289fc64e2de8208f74e7328c60667431d030a1ec684f88f913c8fd6354
MD5 hash:
d1829f1f169b3b8605535dbf585b187b
SHA1 hash:
b09419081337cbfb9b263abeccfd6f6c0f1624f9
Link:
https://www.unpac.me/results/1325c71b-9042-4685-8413-5c8466682d90/
SH256 hash:
53f2ad060cf771aa4f197df5789cee95959480c244a0b392bb450c8ce7311d77
MD5 hash:
37e82d3e2864e27b34f5fbacaea759c3
SHA1 hash:
a87024a466e052bff09a170bb8c6f374f6c84c32
Link:
https://www.unpac.me/results/1325c71b-9042-4685-8413-5c8466682d90/
SH256 hash:
19bb3545365eccbdc17e3e62c8be31d453f3cc54807ef7794160187711ea17ce
MD5 hash:
3d410f8e15e0b6657518ac2f1569f231
SHA1 hash:
a13b052a5ea8a6c91a220ba8dd4f65274dc88af2
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/1325c71b-9042-4685-8413-5c8466682d90/
Parent samples :
4484da3c76598bb0d37ee0ff055c05569ec96852f459112437ea3563441ea95d
fcc04c16f9e1b91da50286411e8d8e2deb5a62a276ba4558d2fcaa2350f49f46
64ff519257d1070b845d9b5150375782b75871ea4efa65e01495df2ac51a57e3
SH256 hash:
eb9659fe647ed73c38a6ed5cf811392aa36230b6ff91a8588d1b5ab557757eb0
MD5 hash:
0364f8100802aade2ab6f4027e7e7c2c
SHA1 hash:
17830b30799b545cf25f676a407608ca4be4c17c
Link:
https://www.unpac.me/results/1325c71b-9042-4685-8413-5c8466682d90/
SH256 hash:
64ff519257d1070b845d9b5150375782b75871ea4efa65e01495df2ac51a57e3
MD5 hash:
4bfa76cf1c8038f869cc73be9bc0fe1c
SHA1 hash:
4ebdaaf3451a02f33718d60ea6884438d6515f07
Link:
https://www.unpac.me/results/1325c71b-9042-4685-8413-5c8466682d90/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/64ff519257d1/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/64ff519257d1070b845d9b5150375782b75871ea4efa65e01495df2ac51a57e3

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:Dotnet_Hidden_Executables_Detect
Create hunting rule
Author:Mehmet Ali Kerimoglu (@CYB3RMX)
Description:This rule detects hidden PE file presence.
Reference:https://github.com/CYB3RMX/Qu1cksc0pe
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 64ff519257d1070b845d9b5150375782b75871ea4efa65e01495df2ac51a57e3

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/430595/

Comments