MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4dbf7f61c77538062aec967e5900ed9092d3a1f46de70ea6f950234e08efc409. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4dbf7f61c77538062aec967e5900ed9092d3a1f46de70ea6f950234e08efc409
SHA3-384 hash: 74fc1ebaac974d73124e902d6b7158102bb53413b0e17f61bafc9c5fc0604b4dadc6dc283226a531055b35a50b95e263
SHA1 hash: 7a546ea6383890f46b6eff6b087be942005a5c32
MD5 hash: 8f2f3e3f2529268b3ebb4c398f3eef33
humanhash: hydrogen-artist-early-video
File name:quote request STS3780.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:678'912 bytes
First seen:2023-09-21 16:23:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:yzwk2iNzEisUH/IArJPc7aJilq2YGEtTznvO7SW3ZVSNK3Es0AH9JwAh7Q1glJ+V:Yd1hEWlcNw2atTznvO2urSNBnUCK7Q1L
Threatray 6'203 similar samples on MalwareBazaar
TLSH T175E4231595AE5B12CAB96BF931419A5063B7C0072143DBEECDEB74EF2D333418638A83
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 James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
289
Origin country :
US US
Vendor Threat Intelligence
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/450456/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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
Restart of the analyzed sample
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/650c6e2232ffdb7a7a0ed28c/reports/e62f626c-3488-4e44-8fee-cbaff4bdf205/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/4dbf7f61c77538062aec967e5900ed9092d3a1f46de70ea6f950234e08efc409
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:
Malicious
Link:
https://analyze.intezer.com/analyses/678abd71-3189-490c-a2d5-350236fb9037
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1312488
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1312488 Sample: quote_request_STS3780.exe Startdate: 21/09/2023 Architecture: WINDOWS Score: 100 41 Snort IDS alert for network traffic 2->41 43 Found malware configuration 2->43 45 Sigma detected: Scheduled temp file as task from temp location 2->45 47 5 other signatures 2->47 7 quote_request_STS3780.exe 7 2->7         started        11 ZmGzCRVxFiO.exe 5 2->11         started        process3 file4 31 C:\Users\user\AppData\...\ZmGzCRVxFiO.exe, PE32 7->31 dropped 33 C:\Users\user\AppData\Local\...\tmp1E51.tmp, XML 7->33 dropped 49 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->49 51 Uses schtasks.exe or at.exe to add and modify task schedules 7->51 53 Adds a directory exclusion to Windows Defender 7->53 13 quote_request_STS3780.exe 2 7->13         started        17 powershell.exe 21 7->17         started        19 schtasks.exe 1 7->19         started        55 Injects a PE file into a foreign processes 11->55 21 ZmGzCRVxFiO.exe 2 11->21         started        23 schtasks.exe 1 11->23         started        signatures5 process6 dnsIp7 35 h12.hksx.com 202.181.239.232, 49723, 49724, 587 HKCIX-AS-APHongKongCommercialInternetExchangeHK Hong Kong 13->35 37 mail.absbldg.com 13->37 25 conhost.exe 17->25         started        27 conhost.exe 19->27         started        39 mail.absbldg.com 21->39 57 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->57 59 Tries to steal Mail credentials (via file / registry access) 21->59 61 Tries to harvest and steal browser information (history, passwords, etc) 21->61 29 conhost.exe 23->29         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4dbf7f61c77538062aec967e5900ed9092d3a1f46de70ea6f950234e08efc409/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-09-21 16:22:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
15 of 23 (65.22%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jw7x6yohou4amkxmsz7fsahnscjnhipunxtq5jxzkaru4chpyqeq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
28fb4137db1dc5813064025021d0c18ca4117a2de7371629b8a5aae5bfe03523
AgentTesla
5167b917426b8435d81522f885966f00cbf7f5b896e2a6b18696bb0f1194756c
AgentTesla
6eddba1588ba6d7183a7940a9974cc188c5473a5087f6853dc40c48df726d598
AgentTesla
8aa7ddca3ec2f1ca81b2ba0abc71e458a1d98c17cba6e05e7068b76b9f9e6ebc
AgentTesla
bb8d35a8553ccd23f5261bed1353f301f6483fb67a5198fded1fc1022a21481e
AgentTesla
c0d78a0e66df81e755349710a7c88371ad11a3dcc44115dffca63052954d8060
AgentTesla
d4be953d9e9504303622fe8c83eb835c8dc6ce07a051ad145a4b419cab8b8566
AgentTesla
d63613c519ee63ca59c857936a06001ae05b70a5b79490ac9cc1371de65c6723
AgentTesla
+ 6'193 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/230921-twcr3sbc67/
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
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
Unpacked files
SH256 hash:
a8a5fa695501c7d7e1c70dc9c7aa9dbaa98d03c4ded262947811cb883c3afe7d
MD5 hash:
200ab8e098a1e41ca357d3cdcfab4bdf
SHA1 hash:
dc2a6966c9b964286e41d8cc77d57bc5e41ed216
Link:
https://www.unpac.me/results/3b6e2166-b29a-444e-9df3-387eb4efa9ac/
SH256 hash:
475582c41b1df3a2297f679e82a81a1c38221de225260a6bf1baea55b2f4399c
MD5 hash:
be18d9f9cbb2d11db8affb067266ddcf
SHA1 hash:
daac96a6dd6724eaaebb68a5786c2df47e814f95
Link:
https://www.unpac.me/results/3b6e2166-b29a-444e-9df3-387eb4efa9ac/
SH256 hash:
d7bd51d495572429a71447dac862dd139a8258541afb5f3bd6b75b0127623014
MD5 hash:
23ba8a8a4d5c0feff3abd662f595ebbe
SHA1 hash:
b9439d00fd62ea21cbb2abada406bd414035c266
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/3b6e2166-b29a-444e-9df3-387eb4efa9ac/
Parent samples :
8aa7ddca3ec2f1ca81b2ba0abc71e458a1d98c17cba6e05e7068b76b9f9e6ebc
4dbf7f61c77538062aec967e5900ed9092d3a1f46de70ea6f950234e08efc409
1cddb92ef3bd9868ad25be68fa8762689f697f4beee5baab3b21efe319e33d90
3f68d49b10b78abebff4fe1624c64e2f9108a7a776d945ac71a046c23f85740c
057e86a5c22e1d0cc4a2c0e189fb5f118859a2554afcb111ebc280af9dc05c75
0e84afe68234f625e08be5460e469a3cd13eb24d28f0a371539d93728bacbd87
44de0beb798b850a37ac2fc193ad485891eda952a428e237e3217420b5d45720
dea0f4b762f8be8c3f654867cf7832e0ebaeda1c4ebcae17f5841743d3dc217f
1c5bb4c35c028b3a21251f3c15428e43b1726d14768aa72766467a5fd78781a9
7c040173f644c80b101c2dd035b9a95de5e9505bac8608c4710739e6a3facd65
f5bf96b8b4dbcaefb28de614a310a78b5abf3f61d97efdf1f446ab3acf0a373e
SH256 hash:
f18ede1829f6537e67a2f4e8cdcd767ee6b50b8dab392ecf26c75ac34e1494fb
MD5 hash:
65d61d54ea7665a497fed9699cc9e7e5
SHA1 hash:
8418bb9f902beac21267a1a60ac8431a4179defc
Link:
https://www.unpac.me/results/3b6e2166-b29a-444e-9df3-387eb4efa9ac/
SH256 hash:
7ec118e70613ce2d9aee29cda2918ca710dde346c68d4da75c2ea0402e6d4391
MD5 hash:
1622a62bf6805b2dca82a8632eceac71
SHA1 hash:
071b72a5a1231149dfe4b9fcfa3a6ee49265ab7c
Link:
https://www.unpac.me/results/3b6e2166-b29a-444e-9df3-387eb4efa9ac/
SH256 hash:
4dbf7f61c77538062aec967e5900ed9092d3a1f46de70ea6f950234e08efc409
MD5 hash:
8f2f3e3f2529268b3ebb4c398f3eef33
SHA1 hash:
7a546ea6383890f46b6eff6b087be942005a5c32
Link:
https://www.unpac.me/results/3b6e2166-b29a-444e-9df3-387eb4efa9ac/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4dbf7f61c775/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/4dbf7f61c77538062aec967e5900ed9092d3a1f46de70ea6f950234e08efc409

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
Create hunting rule
Author:malware-lu
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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/450456/

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