MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bb504515c55056366648ad196e46f804221e248e4d41fda2ba3a243e23309794. 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 2 File information Comments

SHA256 hash: bb504515c55056366648ad196e46f804221e248e4d41fda2ba3a243e23309794
SHA3-384 hash: 5c3c5c882b9978d89c77a19982c85d191cc6a88537d8d82ea329786b29ad6ef112d40aef970581a40fce0b9460442f31
SHA1 hash: ee2d1ac6134694859d6e40b506da5f38779047a1
MD5 hash: cdf9115596c699a62e83e30caa35bd5b
humanhash: foxtrot-foxtrot-sierra-mike
File name:THltqycx9F5NA5v.exe
Download: download sample
Signature AgentTesla
File size:811'008 bytes
First seen:2022-12-15 14:13:52 UTC
Last seen:2022-12-18 22:02:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:e0uO31NzMVK/1ztrYWJASZqm9OMS71JA5:b3zME/1cSxyBJM
TLSH T1D5050135B657DE12C3BC9676C1C2511063F2D6429367FB0B3ED505962B033A36EAB28E
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
171
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
THltqycx9F5NA5v.exe
Verdict:
Malicious activity
Analysis date:
2022-12-15 14:16:58 UTC
Tags:
keylogger 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 file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
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 method to dynamically call methods (often used by packers)
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
Tries to detect sandboxes / dynamic malware analysis system (file name check)
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
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 767769 Sample: THltqycx9F5NA5v.exe Startdate: 15/12/2022 Architecture: WINDOWS Score: 100 52 Snort IDS alert for network traffic 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Sigma detected: Scheduled temp file as task from temp location 2->56 58 10 other signatures 2->58 7 THltqycx9F5NA5v.exe 6 2->7         started        11 gBDIKTGZavPmrC.exe 5 2->11         started        13 MYAPP.exe 2 2->13         started        15 MYAPP.exe 1 2->15         started        process3 file4 38 C:\Users\user\AppData\...\gBDIKTGZavPmrC.exe, PE32 7->38 dropped 40 C:\Users\user\AppData\Local\...\tmpB5E5.tmp, XML 7->40 dropped 42 C:\Users\user\...\THltqycx9F5NA5v.exe.log, ASCII 7->42 dropped 74 Uses schtasks.exe or at.exe to add and modify task schedules 7->74 76 Writes to foreign memory regions 7->76 78 Sample uses process hollowing technique 7->78 17 MSBuild.exe 17 5 7->17         started        22 schtasks.exe 1 7->22         started        80 Multi AV Scanner detection for dropped file 11->80 82 Machine Learning detection for dropped file 11->82 84 Injects a PE file into a foreign processes 11->84 24 MSBuild.exe 11->24         started        26 schtasks.exe 1 11->26         started        86 Tries to detect sandboxes / dynamic malware analysis system (file name check) 13->86 28 conhost.exe 13->28         started        30 conhost.exe 15->30         started        signatures5 process6 dnsIp7 44 api4.ipify.org 64.185.227.156, 443, 49713, 49716 WEBNXUS United States 17->44 46 api.telegram.org 149.154.167.220, 443, 49715, 49717 TELEGRAMRU United Kingdom 17->46 48 api.ipify.org 17->48 36 C:\Users\user\AppData\Roaming\...\MYAPP.exe, PE32 17->36 dropped 60 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->60 62 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 17->62 64 May check the online IP address of the machine 17->64 72 2 other signatures 17->72 32 conhost.exe 22->32         started        50 api.ipify.org 24->50 66 Tries to steal Mail credentials (via file / registry access) 24->66 68 Tries to harvest and steal ftp login credentials 24->68 70 Tries to harvest and steal browser information (history, passwords, etc) 24->70 34 conhost.exe 26->34         started        file8 signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.RealProtect
Status:
Malicious
First seen:
2022-12-15 04:18:45 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot5453942321:AAF6CS9julQ6K7s5pxacNALwWJ2A52D0EC4/
Unpacked files
SH256 hash:
015329556cc403978b0dfd8a66b6db2c8ce73c991754fafba158f5b23e4982b5
MD5 hash:
85558b684130ac254ddf76f2d4c9d810
SHA1 hash:
d42310ac2003b826bd743e512de7019ae43592da
SH256 hash:
a327516357b9fa1a75753b3fbd0030e13f374be7cefcdf983d0b731f278b0c59
MD5 hash:
404efdeb9931733904da07f96fabeb72
SHA1 hash:
7ce363cd612f1d9a90b33ec196c4d0a49cdaee02
SH256 hash:
bb504515c55056366648ad196e46f804221e248e4d41fda2ba3a243e23309794
MD5 hash:
cdf9115596c699a62e83e30caa35bd5b
SHA1 hash:
ee2d1ac6134694859d6e40b506da5f38779047a1
Malware family:
AgentTesla.v3
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:pe_imphash
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.

  
Delivery method
Other

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