MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 258a6c6d1298e4818d4af95e5beed5e326cf918427e405530ebf7cf1211bde34. 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 7 File information Comments

SHA256 hash: 258a6c6d1298e4818d4af95e5beed5e326cf918427e405530ebf7cf1211bde34
SHA3-384 hash: 4265dfcb160a7e82483473fc948952df476fe40d992bcac1901948bd0b003ddbdd2be9d5a6b1b88afb331f0dc9fe9485
SHA1 hash: 9e43df25304ae1a5410ac644b9b1b31c9ac8ab71
MD5 hash: 6159f912813892456bca868d9cb552df
humanhash: failed-twenty-jersey-vermont
File name:258a6c6d1298e4818d4af95e5beed5e326cf918427e405530ebf7cf1211bde34
Download: download sample
Signature AgentTesla
File size:758'792 bytes
First seen:2024-05-09 12:56:23 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:iGL21ILanis2cWjoIHPx1R/dQgZeQ00nFT8ownBVZwBeesInoR9bQDyNWlPTPTbc:jL21ILOisrAH5DdBN0G8owi5oRmDyNWO
Threatray 949 similar samples on MalwareBazaar
TLSH T144F42250FE3DBA27CFA657F30152DA3007B3B5462935CFCF5C92A19A59C2B8062A435B
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
333
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
258a6c6d1298e4818d4af95e5beed5e326cf918427e405530ebf7cf1211bde34.exe
Verdict:
Malicious activity
Analysis date:
2024-05-09 12:59:09 UTC
Tags:
evasion smtp exfiltration stealer agenttesla

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
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
Reading critical registry keys
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
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
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
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
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1438955 Sample: Z5l5CNjOJL.exe Startdate: 09/05/2024 Architecture: WINDOWS Score: 100 46 mail.scgpl.in 2->46 48 ip-api.com 2->48 50 api.ipify.org 2->50 58 Found malware configuration 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 Sigma detected: Scheduled temp file as task from temp location 2->62 64 10 other signatures 2->64 8 Z5l5CNjOJL.exe 7 2->8         started        12 wIGuzwBbYCBPRJ.exe 5 2->12         started        signatures3 process4 file5 42 C:\Users\user\AppData\...\wIGuzwBbYCBPRJ.exe, PE32 8->42 dropped 44 C:\Users\user\AppData\Local\...\tmpF064.tmp, XML 8->44 dropped 66 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->66 68 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->68 70 Uses schtasks.exe or at.exe to add and modify task schedules 8->70 78 2 other signatures 8->78 14 Z5l5CNjOJL.exe 15 2 8->14         started        18 powershell.exe 22 8->18         started        20 powershell.exe 23 8->20         started        22 schtasks.exe 1 8->22         started        72 Multi AV Scanner detection for dropped file 12->72 74 Machine Learning detection for dropped file 12->74 76 Injects a PE file into a foreign processes 12->76 24 wIGuzwBbYCBPRJ.exe 12->24         started        26 schtasks.exe 12->26         started        28 wIGuzwBbYCBPRJ.exe 12->28         started        30 wIGuzwBbYCBPRJ.exe 12->30         started        signatures6 process7 dnsIp8 52 mail.scgpl.in 108.179.246.96, 49724, 49730, 587 UNIFIEDLAYER-AS-1US United States 14->52 54 ip-api.com 208.95.112.1, 49723, 49729, 80 TUT-ASUS United States 14->54 56 api.ipify.org 104.26.13.205, 443, 49722, 49728 CLOUDFLARENETUS United States 14->56 80 Loading BitLocker PowerShell Module 18->80 32 conhost.exe 18->32         started        34 WmiPrvSE.exe 18->34         started        36 conhost.exe 20->36         started        38 conhost.exe 22->38         started        82 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 24->82 84 Tries to steal Mail credentials (via file / registry access) 24->84 86 Tries to harvest and steal ftp login credentials 24->86 88 Tries to harvest and steal browser information (history, passwords, etc) 24->88 40 conhost.exe 26->40         started        signatures9 process10
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2024-04-17 09:38:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
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 WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
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:
1c633f39a192f108f755e0bcf412e8489ad80781f3b7807c80892deb2526ff0d
MD5 hash:
e4b5d57e9e46a4e76075b5b92f71577f
SHA1 hash:
d76dc165724148193c6911cc75fc62c198737d3a
SH256 hash:
5923636f9f0d509887ac5441d06d3859883757ef1b6d60a51784b65cb43efdbd
MD5 hash:
8c848b12ff23a80704cfb9f73ff52d36
SHA1 hash:
a14e81df141ffabab39ffe3731bd8a3a7ec5202c
SH256 hash:
e8d5a9219e8af1cf0ed3c2dffaeee22b38da4ea86d02502ea3e48e6da80dc40e
MD5 hash:
eb53f8b2ad757b9fdaaa04ccf238a125
SHA1 hash:
698712042011f2ee4c9a014912920c82b0a230d2
SH256 hash:
d74016dfa63fad7edbfd921a3250e60a6904e926cf435b0313a8b002adf33e78
MD5 hash:
ccb48cd74de5386b8559c904606942d1
SHA1 hash:
2e26673aa89b42ca1b872c7f95889f280c227037
Detections:
AgentTesla win_agent_tesla_g2 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_SUSPICIOUS_EXE_SandboxHookingDLL INDICATOR_EXE_Packed_GEN01 INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
SH256 hash:
258a6c6d1298e4818d4af95e5beed5e326cf918427e405530ebf7cf1211bde34
MD5 hash:
6159f912813892456bca868d9cb552df
SHA1 hash:
9e43df25304ae1a5410ac644b9b1b31c9ac8ab71
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:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
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

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

Comments