MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 56648493bbf536a061ddd33d23af7a6ab95c9536cae1cb78de2797f87a24b02f. 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 13 File information Comments

SHA256 hash: 56648493bbf536a061ddd33d23af7a6ab95c9536cae1cb78de2797f87a24b02f
SHA3-384 hash: 3aad5968ceb083d4ec634d1b885edd4fdfe8bfbaa854f31de2358f539048e39821e2bcbb57a141ae69628a35722bbc8e
SHA1 hash: e654c6bf654ee8089de3bd5ed97714ebb93b0213
MD5 hash: 577b8e2c15561710b81efc40cad583c8
humanhash: yellow-solar-thirteen-grey
File name:TEKLİF TALEP VE FİYAT TEKLİFİ_xlxs.exe
Download: download sample
Signature AgentTesla
File size:2'388'480 bytes
First seen:2024-07-30 15:27:30 UTC
Last seen:2024-07-30 16:48:18 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 18cd531cc44c9bf7f4a78c62c15c1c41 (9 x SnakeKeylogger, 6 x AgentTesla, 3 x Formbook)
ssdeep 49152:VWiP0wV0hJ5VGx6ODJ1+uEtWX33oG1SdAogP:RVUcdabGR
Threatray 3'980 similar samples on MalwareBazaar
TLSH T1F7B5C015E3E402A4D47BC630CA699733D3B0B8592734D68B0A49D7462FF3AA19B7F712
TrID 72.7% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
13.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
2.5% (.EXE) OS/2 Executable (generic) (2029/13)
2.5% (.EXE) Generic Win/DOS Executable (2002/3)
File icon (PE):PE icon
dhash icon 4f89090c0c098d4f (21 x AgentTesla, 8 x MassLogger, 1 x VIPKeylogger)
Reporter abuse_ch
Tags:AgentTesla exe geo TUR

Intelligence


File Origin
# of uploads :
2
# of downloads :
380
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.1%
Tags:
Execution Infostealer Network Static Stealth Gensteal
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file
Launching a process
Using the Windows Management Instrumentation requests
Reading critical registry keys
DNS request
Connection attempt
Sending a custom TCP request
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Unauthorized injection to a system process
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:
spre.troj.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Allocates memory in foreign processes
Contains functionality to log keystrokes (.Net Source)
Creates autostart registry keys with suspicious names
Drops PE files to the user root directory
Found malware configuration
Injects a PE file into a foreign processes
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: MSBuild connects to smtp port
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)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1484777 Sample: TEKL#U0130F TALEP VE F#U013... Startdate: 30/07/2024 Architecture: WINDOWS Score: 100 37 cp8nl.hyperhost.ua 2->37 39 time.windows.com 2->39 41 bg.microsoft.map.fastly.net 2->41 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 Multi AV Scanner detection for dropped file 2->59 61 6 other signatures 2->61 7 TEKL#U0130F TALEP VE F#U0130YAT TEKL#U0130F#U0130_xlxs.exe 1 3 2->7         started        11 TEKL#U0130F TALEP VE F#U0130YAT TEKL#U0130F#U0130_xlxs.exe 1 2->11         started        13 TEKL#U0130F TALEP VE F#U0130YAT TEKL#U0130F#U0130_xlxs.exe 1 2->13         started        signatures3 process4 file5 33 TEKL#U0130F TALEP ...130F#U0130_xlxs.exe, PE32+ 7->33 dropped 35 TEKL#U0130F TALEP ...exe:Zone.Identifier, ASCII 7->35 dropped 63 Creates autostart registry keys with suspicious names 7->63 65 Writes to foreign memory regions 7->65 67 Allocates memory in foreign processes 7->67 15 MSBuild.exe 2 7->15         started        19 conhost.exe 7->19         started        69 Injects a PE file into a foreign processes 11->69 21 AddInProcess32.exe 2 11->21         started        23 conhost.exe 11->23         started        25 RegSvcs.exe 11->25         started        27 AddInProcess32.exe 2 13->27         started        29 conhost.exe 13->29         started        31 MSBuild.exe 13->31         started        signatures6 process7 dnsIp8 43 cp8nl.hyperhost.ua 185.174.175.187, 49699, 49700, 49706 ITLDC-NLUA Ukraine 15->43 45 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->45 47 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->47 49 Tries to steal Mail credentials (via file / registry access) 21->49 51 Tries to harvest and steal ftp login credentials 21->51 53 Tries to harvest and steal browser information (history, passwords, etc) 21->53 signatures9
Threat name:
Win64.Trojan.AgentTesla
Status:
Malicious
First seen:
2024-07-30 12:58:23 UTC
File Type:
PE+ (Exe)
Extracted files:
3
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla credential_access discovery keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Credentials from Password Stores: Credentials from Web Browsers
AgentTesla
Unpacked files
SH256 hash:
56648493bbf536a061ddd33d23af7a6ab95c9536cae1cb78de2797f87a24b02f
MD5 hash:
577b8e2c15561710b81efc40cad583c8
SHA1 hash:
e654c6bf654ee8089de3bd5ed97714ebb93b0213
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__MemoryWorkingSet
Author:Fernando Mercês
Description:Anti-debug process memory working set size check
Reference:http://www.gironsec.com/blog/2015/06/anti-debugger-trick-quicky/
Rule name:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:NET
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

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 (GUARD_CF)high
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::CreateWellKnownSid
ADVAPI32.dll::RevertToSelf
ADVAPI32.dll::GetSecurityDescriptorLength
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::DuplicateTokenEx
ADVAPI32.dll::GetWindowsAccountDomainSid
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
ADVAPI32.dll::OpenProcessToken
ADVAPI32.dll::OpenThreadToken
ADVAPI32.dll::SetThreadToken
KERNEL32.dll::VirtualAllocExNuma
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetSystemInfo
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AllocConsole
KERNEL32.dll::FreeConsole
KERNEL32.dll::GetConsoleOutputCP
KERNEL32.dll::GetConsoleWindow
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileExW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueW
WIN_BCRYPT_APICan Encrypt Filesbcrypt.dll::BCryptDestroyKey
bcrypt.dll::BCryptGenerateSymmetricKey
bcrypt.dll::BCryptGenRandom
bcrypt.dll::BCryptOpenAlgorithmProvider
bcrypt.dll::BCryptCloseAlgorithmProvider
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyExW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryInfoKeyW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW

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