MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bdf3153153271139582805fb6c9e1e0ecea85c53420c1228597c1b137bbc8a4c. 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 21 File information Comments

SHA256 hash:	bdf3153153271139582805fb6c9e1e0ecea85c53420c1228597c1b137bbc8a4c
SHA3-384 hash:	6c5427f506537fcded4d5f4d8d24bcc3ebc658765b885ce62f1e005521cd35d1a1a610bd6915ea60b9ff3fdeb2f38dc5
SHA1 hash:	87810642faecfe1941aefe38a4d533b2f03fe0b6
MD5 hash:	e225778e232a809b808a85cd37b6b023
humanhash:	early-juliet-butter-connecticut
File name:	bdf3153153271139582805fb6c9e1e0ecea85c53420c1228597c1b137bbc8a4c
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	976'417 bytes
First seen:	2024-03-04 14:59:11 UTC
Last seen:	2024-03-04 16:29:02 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	d3bf8a7746a8d1ee8f6e5960c3f69378 (247 x Formbook, 75 x AgentTesla, 64 x SnakeKeylogger)
ssdeep	24576:pRmJkcoQricOIQxiZY1iaM/U4JnOnnUgWzZ/Vmn7q:mJZoQrbTFZY1iaM/vBGUg4mn2
Threatray	2'065 similar samples on MalwareBazaar
TLSH	T1DE25D022F5C69036C2B327B19E7EF7699A3D6D360326D29723C43D315EB05816B29723
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)
File icon (PE):
dhash icon	f8fcf0c898b8e8fa (5 x AgentTesla, 2 x DCRat, 1 x Zeppelin)
Reporter	adrian__luca
Tags:	AgentTesla exe

Intelligence

File Origin

# of uploads :

# of downloads :

327

Origin country :

Vendor Threat Intelligence

Detection(s):

SecuriteInfo.com.Win32.Malware-gen.32637.27480.UNOFFICIAL

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 an HTTP GET request

Reading critical registry keys

Stealing user critical data

Unauthorized injection to a system process

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

autoit fingerprint keylogger lolbin nymeria overlay packed shell32

Link:

https://www.filescan.io/uploads/65e5e1f795e2f0fb7a8be57f/reports/e833cfc4-1f86-4ef6-b031-132af3756b43/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/bdf3153153271139582805fb6c9e1e0ecea85c53420c1228597c1b137bbc8a4c

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/33c3f9a1-610d-42f6-9dd4-ebd360772304

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1402766

Signature

Antivirus / Scanner detection for submitted sample

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

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)

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 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/bdf3153153271139582805fb6c9e1e0ecea85c53420c1228597c1b137bbc8a4c

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/bdf3153153271139582805fb6c9e1e0ecea85c53420c1228597c1b137bbc8a4c/

Threat name:

Win32.Spyware.Negasteal

Status:

Malicious

First seen:

2024-02-15 05:43:09 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

26 of 38 (68.42%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=xxzrkmkte4itswbiax5wzhq6b3hkqxctiigbekczpqnrg654rjga._file

Verdict:

malicious

Label(s):

agenttesla_v4

agenttesla

AgentTesla

65e6a5426b11cfc1a6556314ae5e6de77f798bc9f3a25d9205c3999e705d2b9c

AgentTesla

6d9549f90bb5b667663ad8ea76743ee890eb2757c22db4f59da27c5513ecdf43

AgentTesla

e32874784aaf5ef37761d12539b7540f2fe78363fb2ebc4f591708a062320fed

AgentTesla

+ 2'055 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla keylogger spyware stealer trojan

Link:

https://tria.ge/reports/240304-sdaz4aeb97/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Suspicious use of SetThreadContext

Looks up external IP address via web service

AgentTesla

Unpacked files

SH256 hash:

93ee7308d3073782266ccbfca04d483aa35c95becff7a80326d65f615b777676

MD5 hash:

4a84a32ae970e8fbe1a4439cbe4752d6

SHA1 hash:

e81aa0f853208535c51c749c85b81ccb6be90244

Detections:

win_agent_tesla_g2

INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

Agenttesla_type2

MALWARE_Win_AgentTeslaV2

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/b7f4d5be-ef48-4ea0-9c46-5e2ad7f18565/

Parent samples :
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SH256 hash:

bdf3153153271139582805fb6c9e1e0ecea85c53420c1228597c1b137bbc8a4c

MD5 hash:

e225778e232a809b808a85cd37b6b023

SHA1 hash:

87810642faecfe1941aefe38a4d533b2f03fe0b6

Detections:

AutoIT_Compiled

Link:

https://www.unpac.me/results/b7f4d5be-ef48-4ea0-9c46-5e2ad7f18565/

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/bdf3153153271139582805fb6c9e1e0ecea85c53420c1228597c1b137bbc8a4c

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:	AgentTeslaV2 Create hunting rule
Author:	ditekshen
Description:	AgenetTesla Type 2 Keylogger payload

Rule name:	AgentTeslaV3 Create hunting rule
Author:	ditekshen
Description:	AgentTeslaV3 infostealer payload

Rule name:	AutoIt Create hunting rule
Author:	Jean-Philippe Teissier / @Jipe_
Description:	AutoIT packer

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

Rule name:	INDICATOR_EXE_Packed_GEN01 Create hunting rule
Author:	ditekSHen
Description:	Detect packed .NET executables. Mostly AgentTeslaV4.

Rule name:	INDICATOR_SUSPICIOUS_Binary_References_Browsers Create hunting rule
Author:	ditekSHen
Description:	Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

Rule name:	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

Rule name:	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many email and collaboration clients. Observed in information stealers

Rule name:	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many file transfer clients. Observed in information stealers

Rule name:	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL Create hunting rule
Author:	ditekSHen
Description:	Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion

Rule name:	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing Windows vault credential objects. Observed in infostealers

Rule name:	maldoc_getEIP_method_1 Create hunting rule
Author:	Didier Stevens (https://DidierStevens.com)

Rule name:	malware_Agenttesla_type2 Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect Agenttesla in memory
Reference:	internal research

Rule name:	MALWARE_Win_AgentTeslaV2 Create hunting rule
Author:	ditekSHen
Description:	AgenetTesla Type 2 Keylogger payload

Rule name:	MD5_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for MD5 constants

Rule name:	meth_get_eip Create hunting rule
Author:	Willi Ballenthin

Rule name:	pe_imphash Create hunting rule

Rule name:	Skystars_Malware_Imphash Create hunting rule
Author:	Skystars LightDefender
Description:	imphash

Rule name:	Windows_Trojan_AgentTesla_ebf431a8 Create hunting rule
Author:	Elastic Security

File information

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

No further information available

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
CHECK_PIE	Missing Position-Independent Executable (PIE) Protection	high

Reviews

ID	Capabilities	Evidence
AUTH_API	Manipulates User Authorization	ADVAPI32.dll::CopySid ADVAPI32.dll::GetLengthSid ADVAPI32.dll::GetAce USER32.dll::GetUserObjectSecurity ADVAPI32.dll::InitializeAcl ADVAPI32.dll::InitializeSecurityDescriptor
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::DuplicateTokenEx ADVAPI32.dll::GetAclInformation ADVAPI32.dll::GetSecurityDescriptorDacl ADVAPI32.dll::GetTokenInformation
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::LoadLibraryW KERNEL32.dll::LoadLibraryExW KERNEL32.dll::LoadLibraryA KERNEL32.dll::GetDriveTypeW
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleW KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleCP KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CopyFileW KERNEL32.dll::CreateDirectoryW KERNEL32.dll::CreateHardLinkW KERNEL32.dll::CreateFileW KERNEL32.dll::DeleteFileW KERNEL32.dll::MoveFileW
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_SVC_API	Can Manipulate Windows Services	ADVAPI32.dll::OpenSCManagerW ADVAPI32.dll::UnlockServiceDatabase
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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