MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 367695d8ea5378e9ff17b518d6801567eb0349beb96b333b0cd297f235772cbe. 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 17 File information Comments
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SHA256 hash: 367695d8ea5378e9ff17b518d6801567eb0349beb96b333b0cd297f235772cbe
SHA3-384 hash: 793b9470383f1aa3823c4f104ceae40345def8f6ad253b06ca399434cee15e9da164d9b5b437686ff417534574f0a6fb
SHA1 hash: 3cf6b29aba6acf96c17b36f92ece4130339dab91
MD5 hash: 6bca87b65bcd27a9e113714756a57059
humanhash: charlie-idaho-sierra-johnny
File name:NKU101.exe
Download: download sample
Signature AgentTesla
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File size:1'128'871 bytes
First seen:2024-05-15 11:47:25 UTC
Last seen:2024-05-15 12:30:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash c33cf958e4babaa5af9289de09f91f82 (2 x AgentTesla, 1 x RemcosRAT)
ssdeep 24576:uHmNSLercal97fTnoNTD9nBnCxRvkzWI2f8FPuLlF:SKL7bnoN7n62zWITPur
TLSH T13135E055639C53F0CDBA513690C24266E7713C19872CABEB07E44AAB6F132E0AD3E774
TrID 48.7% (.EXE) Win64 Executable (generic) (10523/12/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
475
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
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ID:
1
File name:
367695d8ea5378e9ff17b518d6801567eb0349beb96b333b0cd297f235772cbe.exe
Verdict:
Malicious activity
Analysis date:
2024-05-15 11:49:05 UTC
Tags:
smtp agenttesla stealer
Link:
https://app.any.run/tasks/8fbaabc0-747b-4d56-bd76-472f0a368c03

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win64.Evo-gen.24735.550.UNOFFICIAL
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Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Creating a window
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint overlay packed
Link:
https://www.filescan.io/uploads/6644a0f330ff7b27da5f5b98/reports/a4a680bd-05ba-452a-a41e-3fd71005cc80/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/367695d8ea5378e9ff17b518d6801567eb0349beb96b333b0cd297f235772cbe
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:
Cobalt Strike
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9e75cd10-3c83-44a9-9e24-14e205e6fb51
Result
Threat name:
AgentTesla
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Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1441942
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Encrypted powershell cmdline option found
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
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)
Very long command line found
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1441942 Sample: NKU101.exe Startdate: 15/05/2024 Architecture: WINDOWS Score: 100 28 mail.scenic-saels.com 2->28 30 scenic-saels.com 2->30 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus detection for URL or domain 2->44 46 6 other signatures 2->46 8 NKU101.exe 2 2->8         started        signatures3 process4 signatures5 48 Very long command line found 8->48 50 Encrypted powershell cmdline option found 8->50 11 powershell.exe 15 8->11         started        14 conhost.exe 8->14         started        process6 signatures7 52 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 11->52 54 Writes to foreign memory regions 11->54 56 Injects a PE file into a foreign processes 11->56 16 CasPol.exe 4 11->16         started        20 WerFault.exe 20 16 11->20         started        22 conhost.exe 11->22         started        24 CasPol.exe 11->24         started        process8 dnsIp9 26 scenic-saels.com 185.56.136.50, 49699, 587 SECUREDSERVERS-EU Malta 16->26 32 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->32 34 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 16->34 36 Tries to steal Mail credentials (via file / registry access) 16->36 38 2 other signatures 16->38 signatures10
Score:
96%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/367695d8ea5378e9ff17b518d6801567eb0349beb96b333b0cd297f235772cbe
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/367695d8ea5378e9ff17b518d6801567eb0349beb96b333b0cd297f235772cbe/
Threat name:
Win64.Trojan.AgentTesla
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Status:
Malicious
First seen:
2024-05-15 09:58:48 UTC
File Type:
PE+ (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gz3jlwhkkn4ot7yxwumnnaavm7vqgsn6xfvtgoym2kl7enlxfs7a._file
Result
Malware family:
agenttesla
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Score:
  10/10
Tags:
family:agenttesla execution keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240515-nye3bsfh6s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: PowerShell
Suspicious use of SetThreadContext
AgentTesla
Unpacked files
SH256 hash:
367695d8ea5378e9ff17b518d6801567eb0349beb96b333b0cd297f235772cbe
MD5 hash:
6bca87b65bcd27a9e113714756a57059
SHA1 hash:
3cf6b29aba6acf96c17b36f92ece4130339dab91
Link:
https://www.unpac.me/results/88827797-208f-49b7-8d1a-168890ed30c4/
Malware family:
AgentTesla
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/367695d8ea53/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/367695d8ea5378e9ff17b518d6801567eb0349beb96b333b0cd297f235772cbe

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
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Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:DebuggerCheck__API
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
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
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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
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Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
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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:meth_stackstrings
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Author:Willi Ballenthin
Rule name:NETexecutableMicrosoft
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Author:malware-lu
Rule name:pe_imphash
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Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Generic_Threat_9f4a80b2
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Author:Elastic Security
Rule name:Windows_Trojan_AgentTesla_ebf431a8
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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

Executable exe 367695d8ea5378e9ff17b518d6801567eb0349beb96b333b0cd297f235772cbe

(this sample)

  
Delivery method
Distributed via e-mail attachment

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 (GUARD_CF)high
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AllocConsole
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::FreeConsole
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleOutputCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW

Comments