MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66e7817886bf009d9bfa2f6245d9754ee62dc2cec7d95dfa3a5efb4d553cf9fc. 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: 18


Intelligence 18 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 66e7817886bf009d9bfa2f6245d9754ee62dc2cec7d95dfa3a5efb4d553cf9fc
SHA3-384 hash: b47e51e398e680424e7583c4f84abfd4d04d5286bbc019d738836f941d0a2917290b0a2355aaf7e141ac59cdee493618
SHA1 hash: 7056e1d0374a6b8f0907e5f24a72a808cd34c71e
MD5 hash: d63a6fc2db7940e9b3eaab38ff49e90f
humanhash: tennis-minnesota-low-sad
File name:RFQ on SAK-TC233L-32F200N INFINEON PN PHARMA.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:784'896 bytes
First seen:2023-11-26 18:14:02 UTC
Last seen:2023-11-26 20:54:31 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:adyYX9K2Gub1BY3io4rCcsa59JD/4hzOIO9jGJGwZjfssf37vT:ytQS1BY3io4uc5NDAhzOIOFGJGwhfxTT
TLSH T1C4F4E043B22D4B1EEAB947F67130123047B46F5B6925E298BDC2ECDE5471F4C1A02AE7
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)
File icon (PE):PE icon
dhash icon e2ee8a8eb6d8ecf4 (56 x AgentTesla, 39 x RemcosRAT, 38 x GuLoader)
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
302
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
RFQ on SAK-TC233L-32F200N INFINEON PN PHARMA.pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-11-26 18:14:58 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/b8784b14-a127-438c-aa9a-e5beed6589b3

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/460392/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.2370.11387.15770.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for synchronization primitives
Creating a window
Sending a custom TCP request
Creating a process with a hidden window
Launching a process
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/65638af06d3af1922671d075/reports/6b535db9-6c3b-4b1e-bec5-8cdcb1aaeba6/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/66e7817886bf009d9bfa2f6245d9754ee62dc2cec7d95dfa3a5efb4d553cf9fc
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/53902c9e-8fe2-4d77-bef5-a7c8822c5b57
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1348080
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
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
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: MSBuild connects to smtp port
Sigma detected: Scheduled temp file as task from temp location
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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1348080 Sample: RFQ_on_SAK-TC233L-32F200N_I... Startdate: 26/11/2023 Architecture: WINDOWS Score: 100 47 smtp.zoho.eu 2->47 49 fp2e7a.wpc.phicdn.net 2->49 51 fp2e7a.wpc.2be4.phicdn.net 2->51 55 Found malware configuration 2->55 57 Antivirus / Scanner detection for submitted sample 2->57 59 Sigma detected: Scheduled temp file as task from temp location 2->59 61 11 other signatures 2->61 8 RFQ_on_SAK-TC233L-32F200N_INFINEON_PN_PHARMA.pdf.exe 7 2->8         started        12 Zmszgenc.exe 5 2->12         started        14 HWHKAk.exe 2->14         started        16 HWHKAk.exe 2->16         started        signatures3 process4 file5 43 C:\Users\user\AppData\Roaming\Zmszgenc.exe, PE32 8->43 dropped 45 C:\Users\user\AppData\Local\...\tmp8025.tmp, XML 8->45 dropped 73 Uses schtasks.exe or at.exe to add and modify task schedules 8->73 75 Writes to foreign memory regions 8->75 77 Allocates memory in foreign processes 8->77 85 2 other signatures 8->85 18 MSBuild.exe 1 4 8->18         started        23 powershell.exe 23 8->23         started        25 schtasks.exe 1 8->25         started        79 Antivirus detection for dropped file 12->79 81 Multi AV Scanner detection for dropped file 12->81 83 Machine Learning detection for dropped file 12->83 27 MSBuild.exe 3 12->27         started        29 schtasks.exe 1 12->29         started        31 conhost.exe 14->31         started        33 conhost.exe 16->33         started        signatures6 process7 dnsIp8 53 smtp.zoho.eu 89.36.170.164, 49709, 49712, 49713 COMPUTERLINEComputerlineSchlierbachSwitzerlandCH Switzerland 18->53 41 C:\Users\user\AppData\Roaming\...\HWHKAk.exe, PE32 18->41 dropped 63 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->63 65 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->65 67 Tries to steal Mail credentials (via file / registry access) 18->67 35 conhost.exe 23->35         started        37 conhost.exe 25->37         started        69 Tries to harvest and steal browser information (history, passwords, etc) 27->69 71 Hides that the sample has been downloaded from the Internet (zone.identifier) 27->71 39 conhost.exe 29->39         started        file9 signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/66e7817886bf009d9bfa2f6245d9754ee62dc2cec7d95dfa3a5efb4d553cf9fc
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/66e7817886bf009d9bfa2f6245d9754ee62dc2cec7d95dfa3a5efb4d553cf9fc/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-10-11 06:48:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
25 of 37 (67.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=m3tyc6egx4aj3g72f5relwlvj3tc3qwoy7mv36r2l35u2vj47h6a._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/231126-wvcf2aah5z/
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
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
a040efb5ce92995b5d40fd2536c8ad6a93f2d8584a3dd52f07cdb0b34c9e6e29
MD5 hash:
a5a52675690de850e3de6c05a9bd885f
SHA1 hash:
fd953edf2e910fbb43c9e6d4c8d48632bb4e55c6
Link:
https://www.unpac.me/results/1c19e4c1-bd0a-47f4-999e-7461d1a5014a/
SH256 hash:
83504e4957b6a912f212206d84c5a30c8878ff864359700e69f73586c19cc098
MD5 hash:
3503951190f52faa6b1e6860b82e0f3b
SHA1 hash:
eb5ebba6411b525114ee1fa1ede005bf6a3b70f8
Link:
https://www.unpac.me/results/1c19e4c1-bd0a-47f4-999e-7461d1a5014a/
SH256 hash:
5cadbbacc06b3347673b0b13dba55ea1103044c5e68400d07d4d298866de417b
MD5 hash:
ac36869ec718b4150730962f4b8ecd98
SHA1 hash:
36771c6d05138e986a73f7f4f2afe18d8292044f
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_bytecodes_sep_2023
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
Link:
https://www.unpac.me/results/1c19e4c1-bd0a-47f4-999e-7461d1a5014a/
SH256 hash:
46b7d27d6c4b8f0a18cdd6e9b089ebed531090b9e7462e47a6548de307617d1f
MD5 hash:
55b0cd461caa0a9648fdf7bd42a94417
SHA1 hash:
02f9713ca1dc402ab66b6bc62dd067528d71e571
Link:
https://www.unpac.me/results/1c19e4c1-bd0a-47f4-999e-7461d1a5014a/
SH256 hash:
66e7817886bf009d9bfa2f6245d9754ee62dc2cec7d95dfa3a5efb4d553cf9fc
MD5 hash:
d63a6fc2db7940e9b3eaab38ff49e90f
SHA1 hash:
7056e1d0374a6b8f0907e5f24a72a808cd34c71e
Link:
https://www.unpac.me/results/1c19e4c1-bd0a-47f4-999e-7461d1a5014a/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/66e7817886bf/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/66e7817886bf009d9bfa2f6245d9754ee62dc2cec7d95dfa3a5efb4d553cf9fc

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.

Malspam

AgentTesla

Executable exe 66e7817886bf009d9bfa2f6245d9754ee62dc2cec7d95dfa3a5efb4d553cf9fc

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/460392/

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