MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 65b79e68d650ab1f2d6fc5d048b27bc44d54e5cb8f310932b3e18d034ecd234a. 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: 16


Intelligence 16 IOCs YARA 20 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 65b79e68d650ab1f2d6fc5d048b27bc44d54e5cb8f310932b3e18d034ecd234a
SHA3-384 hash: b0a5daa691628112b033ea703c586a20b251013627717b3d2a9faddfc05c495eb5f515787d7588344595b034105b08d6
SHA1 hash: 806f06820eae616c4ec95fe316dbd4c24ec6f3a2
MD5 hash: 19dc9601708e3c9c7a1ab6e46e40910b
humanhash: black-batman-potato-early
File name:SecuriteInfo.com.Win32.CrypterX-gen.19037.19274
Download: download sample
Signature AgentTesla
Create hunting rule
File size:705'536 bytes
First seen:2024-05-09 11:25:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:J9sInh5eLAfybmUFelqEZIZ21ZlJPH2qu/IM0JQ7sRgdIieNG9dCuhMzpGKB0oyO:tnh55qbmUswEZY21Zjv5oIM0KQRgd1Ov
Threatray 1'631 similar samples on MalwareBazaar
TLSH T1C7E42384B2F9AB13EDF643F59160514007F7A3365AB4EA845CC366C721B6B584B83F2B
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) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
314
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
65b79e68d650ab1f2d6fc5d048b27bc44d54e5cb8f310932b3e18d034ecd234a.exe
Verdict:
Malicious activity
Analysis date:
2024-05-09 11:31:06 UTC
Tags:
evasion agenttesla stealer smtp
Link:
https://app.any.run/tasks/d8dcd602-5083-4d95-9099-4bc47dcc6fd0

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.CrypterX-gen.19037.19274.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
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/663cb2ce1c9796b80ab794a2/reports/377bd8a7-232c-4c29-9a0a-c0ffb939c990/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/65b79e68d650ab1f2d6fc5d048b27bc44d54e5cb8f310932b3e18d034ecd234a
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5eb84365-daf2-40b5-96a2-09ca993b9499
Result
Threat name:
AgentTesla, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1438890
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
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1438890 Sample: SecuriteInfo.com.Win32.Cryp... Startdate: 09/05/2024 Architecture: WINDOWS Score: 100 63 mail.kingcocojava.com 2->63 65 ip-api.com 2->65 67 api.ipify.org 2->67 95 Found malware configuration 2->95 97 Malicious sample detected (through community Yara rule) 2->97 99 Sigma detected: Scheduled temp file as task from temp location 2->99 101 11 other signatures 2->101 9 SecuriteInfo.com.Win32.CrypterX-gen.19037.19274.exe 7 2->9         started        13 wLlnydV.exe 5 2->13         started        15 NcnBt.exe 2->15         started        signatures3 process4 file5 59 C:\Users\user\AppData\Roaming\wLlnydV.exe, PE32 9->59 dropped 61 C:\Users\user\AppData\Local\...\tmpCD6D.tmp, XML 9->61 dropped 107 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 9->107 109 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 9->109 111 Uses schtasks.exe or at.exe to add and modify task schedules 9->111 119 2 other signatures 9->119 17 NcnBt.exe 9->17         started        20 SecuriteInfo.com.Win32.CrypterX-gen.19037.19274.exe 16 5 9->20         started        24 powershell.exe 23 9->24         started        36 3 other processes 9->36 113 Multi AV Scanner detection for dropped file 13->113 115 Machine Learning detection for dropped file 13->115 117 Injects a PE file into a foreign processes 13->117 26 wLlnydV.exe 13->26         started        28 schtasks.exe 1 13->28         started        30 NcnBt.exe 15->30         started        32 schtasks.exe 15->32         started        34 NcnBt.exe 15->34         started        signatures6 process7 dnsIp8 75 Multi AV Scanner detection for dropped file 17->75 77 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 17->77 79 Machine Learning detection for dropped file 17->79 81 Injects a PE file into a foreign processes 17->81 38 NcnBt.exe 17->38         started        41 schtasks.exe 17->41         started        69 mail.kingcocojava.com 103.179.86.114, 49711, 49714, 49719 AARNET-AS-APAustralianAcademicandResearchNetworkAARNe unknown 20->69 71 ip-api.com 208.95.112.1, 49708, 49713, 49716 TUT-ASUS United States 20->71 73 api.ipify.org 104.26.13.205, 443, 49707, 49712 CLOUDFLARENETUS United States 20->73 55 C:\Users\user\AppData\Roaming\...55cnBt.exe, PE32 20->55 dropped 57 C:\Users\user\...57cnBt.exe:Zone.Identifier, ASCII 20->57 dropped 83 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 20->83 85 Tries to steal Mail credentials (via file / registry access) 20->85 87 Hides that the sample has been downloaded from the Internet (zone.identifier) 20->87 89 Loading BitLocker PowerShell Module 24->89 43 WmiPrvSE.exe 24->43         started        45 conhost.exe 24->45         started        47 conhost.exe 28->47         started        91 Tries to harvest and steal ftp login credentials 30->91 93 Tries to harvest and steal browser information (history, passwords, etc) 30->93 49 conhost.exe 32->49         started        51 conhost.exe 36->51         started        file9 signatures10 process11 signatures12 103 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 38->103 105 Tries to steal Mail credentials (via file / registry access) 38->105 53 conhost.exe 41->53         started        process13
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/65b79e68d650ab1f2d6fc5d048b27bc44d54e5cb8f310932b3e18d034ecd234a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/65b79e68d650ab1f2d6fc5d048b27bc44d54e5cb8f310932b3e18d034ecd234a/
Threat name:
ByteCode-MSIL.Trojan.Remcos
Create hunting rule
Status:
Malicious
First seen:
2024-05-09 09:32:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mw3z42gwkcvr6llpyxiermt3yrgvjzolr4yqsmvt4ggqgtwnenfa._file
Verdict:
malicious
Similar samples:
0afc78248bb2897dfcead09ad71b84ff31a2d73637162d3ee179d2673e2533e1
AgentTesla
26d326d58b211204d13d7c4de057ecbc4d0d393862d33d200ac20d47c3329f79
AgentTesla
58b6ae769a811b71e68511bb4e73770fc0fd3c469ca5a72e93653c0e0cb66531
AgentTesla
65b79e68d650ab1f2d6fc5d048b27bc44d54e5cb8f310932b3e18d034ecd234a
AgentTesla
ce356848dbe05d9b3dfe99c857e5abae2e19ceefbbdaf32d2c786ffc434d4314
AgentTesla
+ 1'621 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla execution keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/240509-njt8psfa3t/
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
Looks up external IP address via web service
Checks computer location settings
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
AgentTesla
Unpacked files
SH256 hash:
295be96347c3ee2a2ba7f10e88267274d7b0c5cd7dcf14108f76ac03c5130520
MD5 hash:
35292829892ad204f2eb60fe087d3d3c
SHA1 hash:
c1729353c32c4620a835dd417076a2413fc8f675
Detections:
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/3a4366d3-3ae4-4e01-8455-a8c45b716ffe/
Parent samples :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 hash:
5ebf819cb925c692af0dd37da8c7bce03924989a9bcd51de3f61f1fd6abaae64
MD5 hash:
04d82fa78537ee0689a7a7a89833a60a
SHA1 hash:
bb24c180e323066ba3d72dcb2c315b204b009733
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
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_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Link:
https://www.unpac.me/results/3a4366d3-3ae4-4e01-8455-a8c45b716ffe/
Parent samples :
65b79e68d650ab1f2d6fc5d048b27bc44d54e5cb8f310932b3e18d034ecd234a
fd6a3ae35b309594eff6b53d3172a1d648a66fbca71fd8438d61d1c5c352a1f6
27ac3f8a2082fcd8246bff0281e760d36edcaef16ef2831d14138b8df82ab86f
8c3bbac37c8e67896b64efacff85f249aff70a534c4de8fe0b224e7f4b61cc7a
SH256 hash:
4909093c1045073940daf73778f88ce3e5d4dcbc0d69e3498ad4672c2e699013
MD5 hash:
28b43a10958caef0465f7b93be0a0d77
SHA1 hash:
9c85c1cb7f6face0a6c8d0a2d2314a99092d6554
Link:
https://www.unpac.me/results/3a4366d3-3ae4-4e01-8455-a8c45b716ffe/
SH256 hash:
2d34ee878cc7e7a7d658d9fd924746c880c2aeed7fa649d59217aa67baf1e4e5
MD5 hash:
b5365c62b6baa400e9f3c15485c237cd
SHA1 hash:
6d96e03b64593eea226fd26ce3dd998e3bcefc8f
Link:
https://www.unpac.me/results/3a4366d3-3ae4-4e01-8455-a8c45b716ffe/
SH256 hash:
65b79e68d650ab1f2d6fc5d048b27bc44d54e5cb8f310932b3e18d034ecd234a
MD5 hash:
19dc9601708e3c9c7a1ab6e46e40910b
SHA1 hash:
806f06820eae616c4ec95fe316dbd4c24ec6f3a2
Link:
https://www.unpac.me/results/3a4366d3-3ae4-4e01-8455-a8c45b716ffe/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/65b79e68d650/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/65b79e68d650ab1f2d6fc5d048b27bc44d54e5cb8f310932b3e18d034ecd234a

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
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTeslaV5
Create hunting rule
Author:ClaudioWayne
Description:AgentTeslaV5 infostealer payload
Rule name:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:DebuggerCheck__RemoteAPI
Create hunting rule
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
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
Create hunting rule
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_SandboxHookingDLL
Create hunting rule
Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
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
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:Multifamily_RAT_Detection
Create hunting rule
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_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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.

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

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