MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 16ea08651c3db7583f2cf9b3579a4afecf41161f081d2ac4611fc7771a19a628. 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: 19


Intelligence 19 IOCs YARA 21 File information Comments
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SHA256 hash: 16ea08651c3db7583f2cf9b3579a4afecf41161f081d2ac4611fc7771a19a628
SHA3-384 hash: edf319ced98a911298ebe42ee741f2c9a226ea793187a8ac5c4adb7c7bc5c4d5deb19f3327f9aa8794f3ecfb6c3e3901
SHA1 hash: 8191f3e67dcf15233951088464b5044f2cbb79f8
MD5 hash: 4d2c731eb8a1ad97a870d4ada7ab8f3b
humanhash: hotel-cardinal-london-fifteen
File name:Purchase Orders.exe
Download: download sample
Signature AgentTesla
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File size:873'992 bytes
First seen:2024-05-31 06:27:03 UTC
Last seen:2024-05-31 19:19:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 24576:ZfNb7emdTtLQ35COp8eVou9nn/e+SGFhXuvg:ZzTtLWB9nv5jH
TLSH T19905135B96A6D003EEB4467BA14523E603FFB05AF212736B4FB3C2945E4278677121E3
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) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon d4d4d4dc9aaa8686 (5 x AgentTesla, 1 x MassLogger, 1 x SnakeKeylogger)
Reporter cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
4
# of downloads :
404
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
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ID:
1
File name:
16ea08651c3db7583f2cf9b3579a4afecf41161f081d2ac4611fc7771a19a628.exe
Verdict:
Malicious activity
Analysis date:
2024-05-31 06:29:04 UTC
Tags:
stealer agenttesla exfiltration smtp
Link:
https://app.any.run/tasks/8b6e17fe-654d-4a31-ad18-f1ab8ddb6b5c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.14335.13205.UNOFFICIAL
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Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66596dc920ad30d287677619win7simulatehigh_evasion
Tags:
Banker Encryption Execution Network Static Msil Dexter
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade overlay packed
Link:
https://www.filescan.io/uploads/66596df3a0ef3028c882db98/reports/59911947-3cf0-4fc2-9952-5c5373fe18aa/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/16ea08651c3db7583f2cf9b3579a4afecf41161f081d2ac4611fc7771a19a628
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e31ed792-fad3-4152-84a6-9f609080309c
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1449975
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Allocates memory in foreign processes
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
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
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 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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1449975 Sample: Purchase Orders.exe Startdate: 31/05/2024 Architecture: WINDOWS Score: 100 53 mail.urlmailserver.com 2->53 55 mail.mapsenzymes.com 2->55 59 Snort IDS alert for network traffic 2->59 61 Found malware configuration 2->61 63 Malicious sample detected (through community Yara rule) 2->63 65 13 other signatures 2->65 8 Purchase Orders.exe 7 2->8         started        12 eQxXFGTCOIO.exe 5 2->12         started        14 boqXv.exe 2->14         started        16 boqXv.exe 2->16         started        signatures3 process4 file5 49 C:\Users\user\AppData\...\eQxXFGTCOIO.exe, PE32 8->49 dropped 51 C:\Users\user\AppData\Local\...\tmp85F8.tmp, XML 8->51 dropped 81 Writes to foreign memory regions 8->81 83 Allocates memory in foreign processes 8->83 85 Adds a directory exclusion to Windows Defender 8->85 18 RegSvcs.exe 1 4 8->18         started        23 powershell.exe 23 8->23         started        25 powershell.exe 23 8->25         started        27 schtasks.exe 1 8->27         started        87 Multi AV Scanner detection for dropped file 12->87 89 Machine Learning detection for dropped file 12->89 91 Injects a PE file into a foreign processes 12->91 29 RegSvcs.exe 12->29         started        31 schtasks.exe 12->31         started        33 conhost.exe 14->33         started        35 conhost.exe 16->35         started        signatures6 process7 dnsIp8 57 mail.urlmailserver.com 103.180.186.95, 49712, 49713, 587 AARNET-AS-APAustralianAcademicandResearchNetworkAARNe unknown 18->57 47 C:\Users\user\AppData\Roaming\...\boqXv.exe, PE32 18->47 dropped 67 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->67 69 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->69 71 Loading BitLocker PowerShell Module 23->71 37 WmiPrvSE.exe 23->37         started        39 conhost.exe 23->39         started        41 conhost.exe 25->41         started        43 conhost.exe 27->43         started        73 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 29->73 75 Tries to steal Mail credentials (via file / registry access) 29->75 77 Tries to harvest and steal ftp login credentials 29->77 79 Tries to harvest and steal browser information (history, passwords, etc) 29->79 45 conhost.exe 31->45         started        file9 signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/16ea08651c3db7583f2cf9b3579a4afecf41161f081d2ac4611fc7771a19a628
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/16ea08651c3db7583f2cf9b3579a4afecf41161f081d2ac4611fc7771a19a628/
Threat name:
ByteCode-MSIL.Trojan.SnakeKeyLogger
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Status:
Malicious
First seen:
2024-05-31 03:53:53 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=c3vaqzi4hw3vqpzm7gzvpgsk73hucfq7baosvrdbd7dxogqzuyua._file
Verdict:
malicious
Label(s):
agenttesla_v4
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agenttesla
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Result
Malware family:
agenttesla
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Score:
  10/10
Tags:
family:agenttesla execution keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/240531-g7s7zshh3w/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Command and Scripting Interpreter: PowerShell
AgentTesla
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/a62ed71c-f732-47b6-968d-7aeebc157564
Unpacked files
SH256 hash:
bd23edad2ba13bb042c51ef9f3fa972106b4b80de44f4453c1b247b0057f54b0
MD5 hash:
334d2c08fee4925d7a36caab3c768721
SHA1 hash:
f80e333e66e846e1ff019096817559909a217ec7
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
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INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
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Agenttesla_type2
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_EXE_Packed_GEN01
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INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
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Link:
https://www.unpac.me/results/3b67e8be-8042-49a8-8278-7200897c65cd/
Parent samples :
16ea08651c3db7583f2cf9b3579a4afecf41161f081d2ac4611fc7771a19a628
7e9ace80bb54631d6c392281fe75cf4e1b171aebbcc863b7e72054931bde64c8
SH256 hash:
0917ce6ad0a1f111ea56b4ef708c21a57a1208866f73de46d509a6bc3957594f
MD5 hash:
79b13e58d2da78ff3cbfdf3b552cf217
SHA1 hash:
d57b7b1e8fa7cb02e9524ffd7f82b9efad2825f9
Link:
https://www.unpac.me/results/3b67e8be-8042-49a8-8278-7200897c65cd/
SH256 hash:
1feba65bd2aa62dc3cad4b386b25e5a5922cfaaa4f0c1aecff536bf10f54dc12
MD5 hash:
21ca6aa79257797cfcf81faf284a9f89
SHA1 hash:
bb55c21f04bd9a0d6fbd40f7129ec68344bd524e
Link:
https://www.unpac.me/results/3b67e8be-8042-49a8-8278-7200897c65cd/
SH256 hash:
25b5214317428b6661d063585c9de0ceb173e0cbf529069873599ac09f179ae9
MD5 hash:
a09ba49a164d02715cea9498b85dadb3
SHA1 hash:
5cb0c737d9fb738c36ca64082b53cd2d816b6e8b
Link:
https://www.unpac.me/results/3b67e8be-8042-49a8-8278-7200897c65cd/
Parent samples :
6379fc2cce3608db3ed95f85abf8e7391890b839c151224cca1dfc64c545b4d1
655a38b1686aa4f75f6dd4f2b59c8e9e09cde9997b46bafbe4e3dee38d859c99
SH256 hash:
16ea08651c3db7583f2cf9b3579a4afecf41161f081d2ac4611fc7771a19a628
MD5 hash:
4d2c731eb8a1ad97a870d4ada7ab8f3b
SHA1 hash:
8191f3e67dcf15233951088464b5044f2cbb79f8
Detections:
INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Link:
https://www.unpac.me/results/3b67e8be-8042-49a8-8278-7200897c65cd/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/16ea08651c3d/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/16ea08651c3db7583f2cf9b3579a4afecf41161f081d2ac4611fc7771a19a628

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:AgentTeslaV3
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Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTeslaV5
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Author:ClaudioWayne
Description:AgentTeslaV5 infostealer payload
Rule name:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
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Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
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Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:Multifamily_RAT_Detection
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Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Generic_Threat_9f4a80b2
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

zip 55d33150e0e0428fd68efd141e0afe94fa66a53c75474aa73e197edbc6a81f61

AgentTesla

Executable exe 16ea08651c3db7583f2cf9b3579a4afecf41161f081d2ac4611fc7771a19a628

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 55d33150e0e0428fd68efd141e0afe94fa66a53c75474aa73e197edbc6a81f61
  
Dropped by
MD5 1ea28b9c363bf621ab4699bd26e57c88

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments