MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e66ba99955c1baa592951ea963c209ebfa962ee480470ee7c4b7ffd0794303c4. 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 18 File information Comments

SHA256 hash:	e66ba99955c1baa592951ea963c209ebfa962ee480470ee7c4b7ffd0794303c4
SHA3-384 hash:	7dcd00a4c5fda6ebcaaef7eec317110d20c66e8cfdd7233d46136bc4268706049cffc1742db5e448a57f91ed387862cd
SHA1 hash:	50fc810ed7e55a9d056a0ea44bcbdcf3859ee13a
MD5 hash:	5cb38ade848eb20ddef9c80c365b50bc
humanhash:	early-whiskey-mexico-october
File name:	e66ba99955c1baa592951ea963c209ebfa962ee480470ee7c4b7ffd0794303c4
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	1'070'080 bytes
First seen:	2024-05-08 13:01:45 UTC
Last seen:	2024-05-08 13:20:21 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep	24576:3AHnh+eWsN3skA4RV1Hom2KXMmHawrHtmqVj95:qh+ZkldoPK8Yawhmw
Threatray	23 similar samples on MalwareBazaar
TLSH	T194359C3263918325FFAB9D73DB5DB20D56BC6D250123852FD29C2FB9A9F01B1122D263
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	125ad212e9cd3682 (40 x AgentTesla, 21 x Loki, 19 x Heodo)
Reporter	adrian__luca
Tags:	AgentTesla exe

Intelligence

File Origin

# of uploads :

# of downloads :

314

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

e66ba99955c1baa592951ea963c209ebfa962ee480470ee7c4b7ffd0794303c4.exe

Verdict:

Malicious activity

Analysis date:

2024-05-08 13:07:16 UTC

Tags:

smtp exfiltration stealer agenttesla

Link:

https://app.any.run/tasks/7fd7c941-6a46-4d25-baa6-88a1be53d20b

Note:

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

Detection(s):

SecuriteInfo.com.Trojan.Inject5.4695.9173.19934.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Creating a window

Creating a file in the %temp% directory

Launching a process

Using the Windows Management Instrumentation requests

Reading critical registry keys

DNS request

Connection attempt

Sending a custom TCP request

Sending an HTTP GET request

Stealing user critical data

Unauthorized injection to a system process

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

autoit fingerprint keylogger lolbin packed risepro shell32

Link:

https://www.filescan.io/uploads/663b77dc9dc4dda9c0e530a7/reports/1d9c9cd0-384d-4f42-9056-5042abdd2e1c/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/e66ba99955c1baa592951ea963c209ebfa962ee480470ee7c4b7ffd0794303c4

Malware family:

Agent Tesla

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/7f6d8cb1-fcd2-4a69-b532-6bf3d66a39ff

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1438279

Signature

Antivirus detection for URL or domain

Binary is likely a compiled AutoIt script file

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 domain / URL

Multi AV Scanner detection for submitted file

Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)

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:

Download SVG

Score:

97%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/e66ba99955c1baa592951ea963c209ebfa962ee480470ee7c4b7ffd0794303c4

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/e66ba99955c1baa592951ea963c209ebfa962ee480470ee7c4b7ffd0794303c4/

Threat name:

Win32.Spyware.Negasteal

Status:

Malicious

First seen:

2024-04-29 15:10:06 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

25 of 38 (65.79%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=4zv2tgkvyg5kleuvd2uwhqqj5p5jmlxeqbdq5z6ew775a6kdapca._file

Verdict:

malicious

Label(s):

agenttesla_v4

agenttesla

AgentTesla

0ca65adef13fd487e4b8864e5aad6b9cbc999708130e3454cab0e7197824b2fa

AgentTesla

c952c8f048ab52ec54ca80540bcf4432edfecaacc47922abf582f84b7add49fb

AgentTesla

ea9deb59fc6309ddda6806eb4f7ce780eb54f1b0b7eca72b366bc8f110c5222a

AgentTesla

+ 13 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla keylogger spyware stealer trojan

Link:

https://tria.ge/reports/240508-p9r2psdg8y/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Program crash

Suspicious use of SetThreadContext

AgentTesla

Unpacked files

SH256 hash:

fd3c0880dc0bed4a7547ddd672e220bb0c234f5e2e6dac924844f00393e255b6

MD5 hash:

0ca425c909cac7a1f0463915dd14fe93

SHA1 hash:

62d6069166956fdb38fe0f3d5936181a0dcfce46

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_EXE_Packed_GEN01

INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Link:

https://www.unpac.me/results/d6d9a80f-8d76-4044-8c83-fd15d3d811e0/

Parent samples :
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SH256 hash:

e66ba99955c1baa592951ea963c209ebfa962ee480470ee7c4b7ffd0794303c4

MD5 hash:

5cb38ade848eb20ddef9c80c365b50bc

SHA1 hash:

50fc810ed7e55a9d056a0ea44bcbdcf3859ee13a

Detections:

AutoIT_Compiled

SUSP_Imphash_Mar23_3

Link:

https://www.unpac.me/results/d6d9a80f-8d76-4044-8c83-fd15d3d811e0/

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/e66ba99955c1baa592951ea963c209ebfa962ee480470ee7c4b7ffd0794303c4

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

Rule name:	AgentTeslaV5 Create hunting rule
Author:	ClaudioWayne
Description:	AgentTeslaV5 infostealer payload

Rule name:	Agenttesla_type2 Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect Agenttesla in memory
Reference:	internal research

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

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

Rule name:	NETexecutableMicrosoft Create hunting rule
Author:	malware-lu

Rule name:	pe_imphash Create hunting rule

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

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

Rule name:	Windows_Generic_Threat_9f4a80b2 Create hunting rule
Author:	Elastic Security

Rule name:	Windows_Trojan_AgentTesla_ebf431a8 Create hunting rule
Author:	Elastic Security
Reference:	https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla

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

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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