MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 87997dcb5faa3bbebe58faa2efc382628cc2ec78a0ba0bd4bed2fc03fc4b9d4b. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments

SHA256 hash: 87997dcb5faa3bbebe58faa2efc382628cc2ec78a0ba0bd4bed2fc03fc4b9d4b
SHA3-384 hash: 25fc0516cd385900e55639ec143bbdfd62f5c352d5f2fedf2f1f0c433fdc4d8241d76fc3c31f8623ed6379d258a3d098
SHA1 hash: fbe4615a111aa81a144db53480abb1ec98224062
MD5 hash: 4f7c2f9631a5090df1387e21d144743f
humanhash: table-king-carbon-west
File name:SecuriteInfo.com.W32.AIDetectNet.01.13255.20497
Download: download sample
Signature AgentTesla
File size:655'360 bytes
First seen:2022-05-17 08:53:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:Rm+vNoPgOQu1HoVuYWOeg4iFmBcF4PNH+e7XwVpJEmG84gAhjh:n28u1ymO4mmSehnzwVwmGgAX
Threatray 16'465 similar samples on MalwareBazaar
TLSH T1D6D4125073698FB6EBBEABFD541021210373A0AF7562E3A89FD6E4CB2D56F144600E17
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.3% (.SCR) Windows screen saver (13101/52/3)
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) (4505/5/1)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
206
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Tender notification_17.05.2022.xlxs.exe
Verdict:
Suspicious activity
Analysis date:
2022-05-17 02:01:58 UTC
Tags:
n/a

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
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe update.exe
Result
Verdict:
UNKNOWN
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.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Found malware configuration
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)
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 628171 Sample: SecuriteInfo.com.W32.AIDete... Startdate: 17/05/2022 Architecture: WINDOWS Score: 100 34 Found malware configuration 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 Multi AV Scanner detection for dropped file 2->38 40 10 other signatures 2->40 7 SecuriteInfo.com.W32.AIDetectNet.01.13255.exe 7 2->7         started        process3 file4 26 C:\Users\user\AppData\Roaming\SKlLgUncL.exe, PE32 7->26 dropped 28 C:\Users\...\SKlLgUncL.exe:Zone.Identifier, ASCII 7->28 dropped 30 C:\Users\user\AppData\Local\...\tmp5183.tmp, XML 7->30 dropped 32 SecuriteInfo.com.W...et.01.13255.exe.log, ASCII 7->32 dropped 42 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->42 44 Uses schtasks.exe or at.exe to add and modify task schedules 7->44 46 Writes to foreign memory regions 7->46 48 2 other signatures 7->48 11 RegSvcs.exe 7->11         started        14 powershell.exe 24 7->14         started        16 powershell.exe 24 7->16         started        18 schtasks.exe 7->18         started        signatures5 process6 signatures7 50 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->50 52 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 11->52 20 conhost.exe 14->20         started        22 conhost.exe 16->22         started        24 conhost.exe 18->24         started        process8
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-05-17 01:34:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
20 of 41 (48.78%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla evasion 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
Maps connected drives based on registry
Checks BIOS information in registry
Checks computer location settings
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
AgentTesla
Unpacked files
SH256 hash:
b688ff1e56e6f78a82a80ed497c52d25eb833797d0a9bd604e76f73e36481a5d
MD5 hash:
873511dade94e448d826fa40c6772709
SHA1 hash:
7133217d69d18dfaa95ab7b41eeae550528ae5d2
SH256 hash:
9275cb0d34efb9c98ab62c9c760d2db5850d03628cc23605bfd136a17994bb4b
MD5 hash:
1f678a4e0bcb16c7cd77a2239c674677
SHA1 hash:
289972f46263b20307174ac0148bca3a3a5788b4
SH256 hash:
97527da0af9e8321eb6aa2c760bc3a6453341b0fef90c44595a02945c2dd3144
MD5 hash:
332f0164e6b19699174c491d839d6ec9
SHA1 hash:
eadeadeaf7bf3978d86d633bd054e4ff317ecc40
SH256 hash:
44bba002ad9fc9e3e95417d1fb7e67046ef261f23bc71aa372099e9ef5ca6451
MD5 hash:
3c0d67fd41799d8d7362053268312a8d
SHA1 hash:
bc65dc88a252d3a714de22e470ab0cbcdaacf2bb
SH256 hash:
87997dcb5faa3bbebe58faa2efc382628cc2ec78a0ba0bd4bed2fc03fc4b9d4b
MD5 hash:
4f7c2f9631a5090df1387e21d144743f
SHA1 hash:
fbe4615a111aa81a144db53480abb1ec98224062
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.

Comments