MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f95c4cfa4575ecce08ce137d4fa5ede9fd4356814c770120dfea81d1e3ed157f. 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 20 File information Comments

SHA256 hash: f95c4cfa4575ecce08ce137d4fa5ede9fd4356814c770120dfea81d1e3ed157f
SHA3-384 hash: 84dcee1a8b270713b13cfdb3316a736b4eebfbec2aa4799c3d217cf7e27b9dc6d085055001bc07245da5d8b9ed22abfe
SHA1 hash: 981c80a9a2994d639c6c2a365c275519318d771e
MD5 hash: d0f3cf5271f7290a5779928f06bc96c8
humanhash: alabama-fish-kitten-alabama
File name:Sy3CL61n0uDC55M.exe
Download: download sample
Signature AgentTesla
File size:800'264 bytes
First seen:2024-05-27 17:18:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:XHXNyvK/hPZmR1f2J3C+dTCienDEB22NsuV1F6Oa4wSvnsGRf4ATI1Rsos+Op0kR:X9yGPnC8GF4m+yYvn54sI1a/+O1
Threatray 2'232 similar samples on MalwareBazaar
TLSH T16F05236235645F00D6A6D7F14C781AEAAFF6B2AB14B0F61C9CF170CC46A5FA18350B1B
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 00d0d070d0607000 (6 x AgentTesla, 6 x Formbook, 1 x RemcosRAT)
Reporter threatcat_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
484
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
f95c4cfa4575ecce08ce137d4fa5ede9fd4356814c770120dfea81d1e3ed157f.exe
Verdict:
Malicious activity
Analysis date:
2024-05-27 17:20:32 UTC
Tags:
smtp exfiltration stealer agenttesla

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
Banker Encryption Execution Infostealer Network Static Heur Dexter
Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed
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.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
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 domain / URL
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 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
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1448091 Sample: Sy3CL61n0uDC55M.exe Startdate: 27/05/2024 Architecture: WINDOWS Score: 100 44 zqamcx.com 2->44 48 Multi AV Scanner detection for domain / URL 2->48 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 11 other signatures 2->54 8 Sy3CL61n0uDC55M.exe 7 2->8         started        12 dJlGycWPOpq.exe 5 2->12         started        signatures3 process4 file5 40 C:\Users\user\AppData\...\dJlGycWPOpq.exe, PE32 8->40 dropped 42 C:\Users\user\AppData\Local\...\tmp987A.tmp, XML 8->42 dropped 56 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->56 58 Uses schtasks.exe or at.exe to add and modify task schedules 8->58 60 Adds a directory exclusion to Windows Defender 8->60 14 Sy3CL61n0uDC55M.exe 2 8->14         started        18 powershell.exe 23 8->18         started        20 powershell.exe 23 8->20         started        28 2 other processes 8->28 62 Multi AV Scanner detection for dropped file 12->62 64 Machine Learning detection for dropped file 12->64 66 Injects a PE file into a foreign processes 12->66 22 dJlGycWPOpq.exe 12->22         started        24 schtasks.exe 12->24         started        26 dJlGycWPOpq.exe 12->26         started        signatures6 process7 dnsIp8 46 zqamcx.com 78.110.166.82, 49735, 49738, 49739 UKSERVERS-ASUKDedicatedServersHostingandCo-Location United Kingdom 14->46 68 Installs a global keyboard hook 14->68 70 Loading BitLocker PowerShell Module 18->70 30 WmiPrvSE.exe 18->30         started        32 conhost.exe 18->32         started        34 conhost.exe 20->34         started        72 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->72 74 Tries to steal Mail credentials (via file / registry access) 22->74 76 Tries to harvest and steal ftp login credentials 22->76 78 Tries to harvest and steal browser information (history, passwords, etc) 22->78 36 conhost.exe 24->36         started        38 conhost.exe 28->38         started        signatures9 process10
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Status:
Malicious
First seen:
2024-05-27 16:27:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
24
AV detection:
21 of 24 (87.50%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla execution keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
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:
54892a2ad8bf464501e0f825a114b6519212c52586f18025fa7f7b5abb7df3a9
MD5 hash:
516b95a2508a195dcfd17a41016ccead
SHA1 hash:
e50a8ebffd689a4fd76a5aab73819b454ccd56f4
SH256 hash:
22a3cacbc75f539cdfc60f951ef554fc72fbfefb753023aa3cb7c7b96bfdb1e5
MD5 hash:
e51a40707f88199546f02ddde0a156af
SHA1 hash:
67d8362064400e2fcbb51bac1deb8feac5d3ace4
SH256 hash:
84bf811bb0d86dbbc7f5efba235746ad56824cfffa883e66789cbe4adec1a30a
MD5 hash:
63f746ae9aa15916796ee778166c06e8
SHA1 hash:
3238508f4b929520a538f5cd1796ddd881a21a83
Detections:
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients Agenttesla_type2 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_EXE_Packed_GEN01 INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Parent samples :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 hash:
32c209f2a6369f5bd203a36263a9c243947f0e61da9ef0de068ad1117a9108f0
MD5 hash:
8d1fa59e56a1e6a12aa52f40c4890050
SHA1 hash:
2064eb9d04cb6ca22390df04ec7c214a5642b3ae
SH256 hash:
f95c4cfa4575ecce08ce137d4fa5ede9fd4356814c770120dfea81d1e3ed157f
MD5 hash:
d0f3cf5271f7290a5779928f06bc96c8
SHA1 hash:
981c80a9a2994d639c6c2a365c275519318d771e
Detections:
INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Malware family:
AgentTesla
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTeslaV5
Author:ClaudioWayne
Description:AgentTeslaV5 infostealer payload
Rule name:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
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
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
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Generic_Threat_9f4a80b2
Author:Elastic Security
Rule name:Windows_Trojan_AgentTesla_ebf431a8
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 f95c4cfa4575ecce08ce137d4fa5ede9fd4356814c770120dfea81d1e3ed157f

(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 (HIGH_ENTROPY_VA)high

Comments