MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 25898c73a877d87ba289bb4ab9585eb36eba9d27d47af678a86befdbf9aa938f. 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: 18

Intelligence 18 IOCs YARA 4 File information Comments

SHA256 hash:	25898c73a877d87ba289bb4ab9585eb36eba9d27d47af678a86befdbf9aa938f
SHA3-384 hash:	6ef27d5393acb96c565c5c3755d245221939afb6a6388c03102ab1d89a89441a344d5f3ecc7c2b66dc3b952adb4ab328
SHA1 hash:	af9e5b3d8ca4b6c64b69876b9cad6a18476f0168
MD5 hash:	631e3c5465349fdfd6fc2fbe9c15cf65
humanhash:	dakota-summer-foxtrot-red
File name:	Payment Advice.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	1'050'624 bytes
First seen:	2024-07-15 02:25:15 UTC
Last seen:	2024-07-31 10:22:35 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep	24576:GAHnh+eWsN3skA4RV1Hom2KXMmHasvktOpBS5:hh+ZkldoPK8Yasvkt+2
Threatray	7 similar samples on MalwareBazaar
TLSH	T17F259D0273E1C036FFABA2739B6AB24556BC79254133852F13981DB9BD701B2163E763
TrID	63.7% (.CPL) Windows Control Panel Item (generic) (57583/11/19) 11.6% (.EXE) Win64 Executable (generic) (10523/12/4) 7.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 5.5% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.9% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):
dhash icon	aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter	koluke
Tags:	32x-2024-07-15 AgentTesla exe

Intelligence

File Origin

# of uploads :

# of downloads :

380

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

Payment Advice.exe

Verdict:

Malicious activity

Analysis date:

2024-07-15 02:27:04 UTC

Tags:

evasion agenttesla stealer smtp

Link:

https://app.any.run/tasks/e4623d92-3ede-45b4-bd3d-dcc97bcdbd00

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection(s):

SecuriteInfo.com.FileRepMalware.8839.29579.UNOFFICIAL

Verdict:

Malicious

Score:

92.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6694887fcadc6250d055529cwin10vpnfull_triage

Tags:

Agent Tesla

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Creating a file in the %temp% directory

Launching a process

Using the Windows Management Instrumentation requests

Сreating synchronization primitives

DNS request

Connection attempt

Sending a custom TCP request

Sending an HTTP GET request

Reading critical registry keys

Stealing user critical data

Unauthorized injection to a system process

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

autoit epmicrosoft_visual_cc fingerprint keylogger lolbin masquerade microsoft_visual_cc packed shell32

Link:

https://www.filescan.io/uploads/669488bba65b3f062018c21d/reports/e0cb527d-0cac-4612-8270-e05dab498666/overview

Verdict:

Malicious

Labled as:

Malware

Link:

https://www.hybrid-analysis.com/sample/25898c73a877d87ba289bb4ab9585eb36eba9d27d47af678a86befdbf9aa938f

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.

Malware family:

Agent Tesla

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/82b9d267-a6fc-4320-a700-7bfe9af0f32f

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1473128

Signature

AI detected suspicious sample

Antivirus detection for URL or domain

Binary is likely a compiled AutoIt script file

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

Initial sample is a PE file and has a suspicious name

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Maps a DLL or memory area into another process

Multi AV Scanner detection for submitted file

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)

Switches to a custom stack to bypass stack traces

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)

Writes to foreign memory regions

Yara detected AgentTesla

Yara detected AntiVM3

Yara detected Generic Downloader

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/25898c73a877d87ba289bb4ab9585eb36eba9d27d47af678a86befdbf9aa938f

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/25898c73a877d87ba289bb4ab9585eb36eba9d27d47af678a86befdbf9aa938f/

Threat name:

Win32.Trojan.AgentTesla

Status:

Malicious

First seen:

2024-07-15 00:35:53 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

20 of 24 (83.33%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=eweyy45io7mhxiujxnflswc6wnxlvhjh2r5pm6finpx5x6nksohq._file

Verdict:

malicious

Label(s):

agenttesla_v4

agenttesla

AgentTesla

25898c73a877d87ba289bb4ab9585eb36eba9d27d47af678a86befdbf9aa938f

AgentTesla

afec7242f5c41610ecb994d22fc8243a58866ed6c4c11a1544cca10019fe0a07

AgentTesla

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla keylogger spyware stealer trojan

Link:

https://tria.ge/reports/240715-cwvjfswera/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Looks up external IP address via web service

AgentTesla

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/ece8305d-f397-47cb-88e0-5202930a3a4f

Unpacked files

SH256 hash:

e7316cdd8f4275dae3e3eef4b7a2e041f233e0c829611320c161a4de96a1cd7d

MD5 hash:

1cf87f74d9bd085bd4eaf17171be15b9

SHA1 hash:

9a93932c7fe934fc436d9c9ef60f179dc97dff37

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

Link:

https://www.unpac.me/results/ce567c50-fa05-43e2-a044-24d4ff509e8f/

Parent samples :

014fd6f8c909787cb697b4a440b07e4a567dff6a5cd78e9f70a0f19d5479607a
afec7242f5c41610ecb994d22fc8243a58866ed6c4c11a1544cca10019fe0a07
f41147a2ce56a2c2013d366acd3561e17f0a84ca9c2c7ec866549a57282be7be
25898c73a877d87ba289bb4ab9585eb36eba9d27d47af678a86befdbf9aa938f
2ce9fb8459a0f6e72a7d182331b0a70a65ccaf4f3381c3dcf58daffa95f47471

SH256 hash:

25898c73a877d87ba289bb4ab9585eb36eba9d27d47af678a86befdbf9aa938f

MD5 hash:

631e3c5465349fdfd6fc2fbe9c15cf65

SHA1 hash:

af9e5b3d8ca4b6c64b69876b9cad6a18476f0168

Detections:

AutoIT_Compiled

SUSP_Imphash_Mar23_3

Link:

https://www.unpac.me/results/ce567c50-fa05-43e2-a044-24d4ff509e8f/

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/25898c73a877d87ba289bb4ab9585eb36eba9d27d47af678a86befdbf9aa938f

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:	AutoIT_Compiled Create hunting rule
Author:	@bartblaze
Description:	Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.

Rule name:	DebuggerCheck__API Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	SUSP_Imphash_Mar23_3 Create hunting rule
Author:	Arnim Rupp (https://github.com/ruppde)
Description:	Detects imphash often found in malware samples (Maximum 0,25% hits with search for 'imphash:x p:0' on Virustotal) = 99,75% hits
Reference:	Internal Research

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

exe 25898c73a877d87ba289bb4ab9585eb36eba9d27d47af678a86befdbf9aa938f

(this sample)

Delivery method

Distributed via e-mail attachment

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

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high
CHECK_NX	Missing Non-Executable Memory Protection	critical

Reviews

ID	Capabilities	Evidence
AUTH_API	Manipulates User Authorization	ADVAPI32.dll::AllocateAndInitializeSid ADVAPI32.dll::CopySid ADVAPI32.dll::FreeSid ADVAPI32.dll::GetLengthSid ADVAPI32.dll::GetTokenInformation ADVAPI32.dll::GetAce
COM_BASE_API	Can Download & Execute components	ole32.dll::CLSIDFromProgID ole32.dll::CoCreateInstance ole32.dll::CoCreateInstanceEx ole32.dll::CoInitializeSecurity ole32.dll::CreateStreamOnHGlobal
MULTIMEDIA_API	Can Play Multimedia	WINMM.dll::mciSendStringW WINMM.dll::timeGetTime WINMM.dll::waveOutSetVolume
SECURITY_BASE_API	Uses Security Base API	ADVAPI32.dll::AddAce ADVAPI32.dll::AdjustTokenPrivileges ADVAPI32.dll::CheckTokenMembership ADVAPI32.dll::DuplicateTokenEx ADVAPI32.dll::GetAclInformation ADVAPI32.dll::GetSecurityDescriptorDacl
SHELL_API	Manipulates System Shell	SHELL32.dll::ShellExecuteExW SHELL32.dll::ShellExecuteW SHELL32.dll::SHFileOperationW
WIN32_PROCESS_API	Can Create Process and Threads	ADVAPI32.dll::CreateProcessAsUserW KERNEL32.dll::CreateProcessW ADVAPI32.dll::CreateProcessWithLogonW KERNEL32.dll::OpenProcess ADVAPI32.dll::OpenProcessToken ADVAPI32.dll::OpenThreadToken
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::SetSystemPowerState KERNEL32.dll::LoadLibraryA KERNEL32.dll::LoadLibraryExW KERNEL32.dll::LoadLibraryW KERNEL32.dll::GetDriveTypeW
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleW KERNEL32.dll::ReadConsoleW KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleCP KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CopyFileExW KERNEL32.dll::CopyFileW KERNEL32.dll::CreateDirectoryW KERNEL32.dll::CreateHardLinkW IPHLPAPI.DLL::IcmpCreateFile KERNEL32.dll::CreateFileW
WIN_BASE_USER_API	Retrieves Account Information	KERNEL32.dll::GetComputerNameW ADVAPI32.dll::GetUserNameW ADVAPI32.dll::LogonUserW ADVAPI32.dll::LookupPrivilegeValueW
WIN_NETWORK_API	Supports Windows Networking	MPR.dll::WNetAddConnection2W MPR.dll::WNetUseConnectionW
WIN_REG_API	Can Manipulate Windows Registry	ADVAPI32.dll::RegConnectRegistryW ADVAPI32.dll::RegCreateKeyExW ADVAPI32.dll::RegDeleteKeyW ADVAPI32.dll::RegOpenKeyExW ADVAPI32.dll::RegQueryValueExW ADVAPI32.dll::RegSetValueExW
WIN_USER_API	Performs GUI Actions	USER32.dll::BlockInput USER32.dll::CloseDesktop USER32.dll::CreateMenu USER32.dll::EmptyClipboard USER32.dll::FindWindowExW USER32.dll::FindWindowW

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