MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4bed889b7068d487b6723f509ce367fa745ec3c7bfc6f028084bee179f1e7d11. 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 3 File information Comments

SHA256 hash:	4bed889b7068d487b6723f509ce367fa745ec3c7bfc6f028084bee179f1e7d11
SHA3-384 hash:	4ea785b9871d503e0cf63523481eeafe062186bbfdaf25524edd6876f71070984285ae1a4faf0615a1604ae0fa677276
SHA1 hash:	4ef81deb3d7b87cfe6740c8eb057bd81f8693541
MD5 hash:	0034b9951f2ba9cd8b5c3355c302a459
humanhash:	zebra-floor-mobile-grey
File name:	muy.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	1'357'273 bytes
First seen:	2024-05-21 03:44:19 UTC
Last seen:	2024-05-21 04:28:23 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	0560f063e7363d920c1f0f9c018c6a15 (14 x AgentTesla, 2 x Formbook, 2 x RemcosRAT)
ssdeep	24576:0MQFj+RDVIB+q8WVNIH6s5KZMhLV757v5ro4WvIKkQSNTJLOA5Is7pF4vChl:8BzqhLV7rozw5lOAtpe2
TLSH	T1FE55E1027BAD46F6D577C23E85924F82F6F3BC594324A78703E456A92F136909E3E321
TrID	44.4% (.EXE) Win64 Executable (generic) (10523/12/4) 21.2% (.EXE) Win16 NE executable (generic) (5038/12/1) 8.7% (.ICL) Windows Icons Library (generic) (2059/9) 8.5% (.EXE) OS/2 Executable (generic) (2029/13) 8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Reporter	abuse_ch
Tags:	AgentTesla exe

Intelligence

File Origin

# of uploads :

# of downloads :

319

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

4bed889b7068d487b6723f509ce367fa745ec3c7bfc6f028084bee179f1e7d11.exe

Verdict:

Malicious activity

Analysis date:

2024-05-21 04:22:42 UTC

Tags:

stealer agenttesla exfiltration smtp

Link:

https://app.any.run/tasks/81f6e3c2-ad57-4d80-b6ac-588dad6f2c32

Note:

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

Detection(s):

SecuriteInfo.com.Win64.PWSX-gen.12571.27505.UNOFFICIAL

Verdict:

Malicious

Score:

96.5%

Tags:

Encryption Execution Infostealer Network Static Gensteal

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Launching a process

Creating a file

Searching for synchronization primitives

Launching the default Windows debugger (dwwin.exe)

Using the Windows Management Instrumentation requests

Creating a window

Unauthorized injection to a system process

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

fingerprint overlay packed

Link:

https://www.filescan.io/uploads/664c18c63313f70f0a00a41e/reports/c12b05d4-adb5-4929-b169-77a75c93f45c/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/4bed889b7068d487b6723f509ce367fa745ec3c7bfc6f028084bee179f1e7d11

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.

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/efea3533-7fa6-4000-b477-608258398525

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1444735

Signature

Allocates memory in foreign processes

Antivirus / Scanner detection for submitted sample

Contains functionality to log keystrokes (.Net Source)

Contains functionality to register a low level keyboard hook

Found malware configuration

Injects a PE file into a foreign processes

Installs a global keyboard hook

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

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

Snort IDS alert for network traffic

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 UAC Bypass using CMSTP

Behaviour

Behavior Graph:

Download SVG

Score:

29%

Verdict:

Benign

File Type:

Link:

https://malprob.io/report/4bed889b7068d487b6723f509ce367fa745ec3c7bfc6f028084bee179f1e7d11

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/4bed889b7068d487b6723f509ce367fa745ec3c7bfc6f028084bee179f1e7d11/

Threat name:

Win64.Trojan.GenSteal

Status:

Malicious

First seen:

2024-05-20 00:08:36 UTC

File Type:

PE+ (Exe)

AV detection:

10 of 37 (27.03%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=jpwyrg3qndkipntsh5ijzy3h7j2f5q6hx7dpakaijpxbphy6puiq._file

Verdict:

malicious

Result

Malware family:

n/a

Score:

3/10

Tags:

n/a

Link:

https://tria.ge/reports/240521-ea3ztagd46/

Behaviour

Suspicious use of AdjustPrivilegeToken

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/869f0bc6-bfaf-4748-90f7-e6c323498a93

Unpacked files

SH256 hash:

4bed889b7068d487b6723f509ce367fa745ec3c7bfc6f028084bee179f1e7d11

MD5 hash:

0034b9951f2ba9cd8b5c3355c302a459

SHA1 hash:

4ef81deb3d7b87cfe6740c8eb057bd81f8693541

Link:

https://www.unpac.me/results/1a28a468-59e4-49d7-b8c1-3b4262508a19/

Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/4bed889b7068/report/overview.html

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

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

Rule name:	meth_stackstrings Create hunting rule
Author:	Willi Ballenthin

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 (GUARD_CF)	high

Reviews

ID	Capabilities	Evidence
WIN32_PROCESS_API	Can Create Process and Threads	KERNEL32.dll::CloseHandle
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryW KERNEL32.dll::LoadLibraryExW KERNEL32.dll::GetStartupInfoW KERNEL32.dll::GetCommandLineA KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleW KERNEL32.dll::ReadConsoleW KERNEL32.dll::SetConsoleCtrlHandler KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleMode KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateFileW

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