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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 678a53b4de457904f7942e522ef6ec745dfc650a910d2df687c6583e0b35697d. 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: 678a53b4de457904f7942e522ef6ec745dfc650a910d2df687c6583e0b35697d
SHA3-384 hash: 836117ad9f78fba226402661d21888bd2c780babed0a16b6b27a44662f73af07ef960fd9cd0b700d106f8cac10a8c33d
SHA1 hash: 3de8fdad0e8c2b15fa8a66c3567a9c8cc296d246
MD5 hash: 390612b320e9a8e1b49c5efe1a8b5a59
humanhash: vermont-hotel-michigan-august
File name:card_residente_85ds6gf202405.exe
Download: download sample
Signature AgentTesla
File size:237'216 bytes
First seen:2024-08-26 05:46:17 UTC
Last seen:2024-08-26 06:24:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 17b7d61bda0f7478e36d9ce3d4170680 (23 x GuLoader, 7 x AgentTesla, 6 x njrat)
ssdeep 6144:siucV675csxMnMSP9h+xu1x2pjjlUN/R7oprxLZHztYY:siuL5dxMMC9hqSKjxuR7opdJzL
Threatray 290 similar samples on MalwareBazaar
TLSH T19A340255EBD88077E157CA354BB7DBF69F367380251063AB5B642FA829207C3660F20E
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter abuse_ch
Tags:AgentTesla exe signed

Code Signing Certificate

Organisation:Snurpenoters
Issuer:Snurpenoters
Algorithm:sha256WithRSAEncryption
Valid from:2023-05-29T07:27:24Z
Valid to:2026-05-28T07:27:24Z
Serial number: 58ae2d19f807c171f95ae580c134966863c457bb
Thumbprint Algorithm:SHA256
Thumbprint: c0a34e591dbafe7f0f994c7a47a26789ece4d734922620fc88557bd091351d2d
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
2
# of downloads :
430
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3º LembreteDeclaração de Liberação.iso
Verdict:
Malicious activity
Analysis date:
2024-05-15 14:45:03 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
95.7%
Tags:
Encryption Execution Network Static Malware
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a file
Delayed reading of the file
Creating a file in the %AppData% subdirectories
Searching for the Windows task manager window
Running batch commands
Creating a process with a hidden window
Result
Threat name:
GuLoader
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Mass process execution to delay analysis
Multi AV Scanner detection for submitted file
Obfuscated command line found
Tries to detect virtualization through RDTSC time measurements
Yara detected GuLoader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1498872 Sample: card_residente_85ds6gf202405.exe Startdate: 26/08/2024 Architecture: WINDOWS Score: 88 41 time.windows.com 2->41 43 Antivirus / Scanner detection for submitted sample 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 Yara detected GuLoader 2->47 49 AI detected suspicious sample 2->49 9 card_residente_85ds6gf202405.exe 3 97 2->9         started        signatures3 process4 file5 37 C:\Users\user\AppData\Local\...\nsExec.dll, PE32 9->37 dropped 39 C:\Users\user\AppData\Local\...\System.dll, PE32 9->39 dropped 51 Obfuscated command line found 9->51 53 Mass process execution to delay analysis 9->53 55 Tries to detect virtualization through RDTSC time measurements 9->55 13 cmd.exe 9->13         started        15 cmd.exe 1 9->15         started        17 cmd.exe 1 9->17         started        19 271 other processes 9->19 signatures6 process7 process8 21 conhost.exe 13->21         started        23 conhost.exe 15->23         started        25 conhost.exe 17->25         started        27 conhost.exe 19->27         started        29 conhost.exe 19->29         started        31 conhost.exe 19->31         started        33 266 other processes 19->33 process9 35 conhost.exe 21->35         started       
Threat name:
Win32.Trojan.GULoader
Status:
Malicious
First seen:
2024-05-14 20:34:49 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla credential_access discovery keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Loads dropped DLL
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
Credentials from Password Stores: Credentials from Web Browsers
AgentTesla
Unpacked files
SH256 hash:
5494025d21648fdb824a9f4c66d539b17283c7301bb1acbce62af8445173eee1
MD5 hash:
635a4d7f264997f031324ffb27c7abae
SHA1 hash:
99e86ddd2c896790dc4273b37bcb1d7d8ec2c390
SH256 hash:
852047023ba0cae91c7a43365878613cfb4e64e36ff98c460e113d5088d68ef5
MD5 hash:
be2621a78a13a56cf09e00dd98488360
SHA1 hash:
75f0539dc6af200a07cdb056cddddec595c6cfd2
SH256 hash:
d1598ff69dffada008b80dc853f1ad043a343c3709155bbabd9c99d29e8b7702
MD5 hash:
d02dd688e9d32ec04300a04e49a1860c
SHA1 hash:
85be0111573fd80a0a0b782b319eed88cb3ecc97
SH256 hash:
678a53b4de457904f7942e522ef6ec745dfc650a910d2df687c6583e0b35697d
MD5 hash:
390612b320e9a8e1b49c5efe1a8b5a59
SHA1 hash:
3de8fdad0e8c2b15fa8a66c3567a9c8cc296d246
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_Digital_Certificate
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits

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_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteW
SHELL32.dll::SHFileOperationW
SHELL32.dll::SHGetFileInfoW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetDiskFreeSpaceW
KERNEL32.dll::GetCommandLineW
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::GetWindowsDirectoryW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuW
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExW
USER32.dll::OpenClipboard
USER32.dll::PeekMessageW
USER32.dll::CreateWindowExW

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