MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a9811a63013f9a7fc654c88ab730f86187ef992231b230968c6d82a1e5ae5482. 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 25 File information Comments

SHA256 hash:	a9811a63013f9a7fc654c88ab730f86187ef992231b230968c6d82a1e5ae5482
SHA3-384 hash:	ec85d44e30170d02cc6cfdd69b8dbafe6f101b124d0e27a0d748fc6cc25169edbb7005a6239436b16e9cf731acbe9567
SHA1 hash:	571e572b79a2dc6e7c04efe0b6c7bb260f6272e0
MD5 hash:	a57704cfeac0d1524c56b355c8877231
humanhash:	mike-solar-winner-hotel
File name:	QUOTATION#012325.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	1'315'415 bytes
First seen:	2025-01-28 11:33:41 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	d3bf8a7746a8d1ee8f6e5960c3f69378 (247 x Formbook, 75 x AgentTesla, 64 x SnakeKeylogger)
ssdeep	24576:KRmJkcoQricOIQxiZY1ia23X3tfuoSrDoW0en5/pYH:PJZoQrbTFZY1ia2H3tf3Q0enVpg
TLSH	T1C255E121B9D68036C2A323B19E7AF369963D6D36032AD19767C83D315F705816F3A723
TrID	47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 15.9% (.EXE) Win64 Executable (generic) (10522/11/4) 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):
dhash icon	b2b2b2bae8bab28c (17 x Formbook, 11 x AgentTesla, 9 x XWorm)
Reporter	adrian__luca
Tags:	AgentTesla exe

Intelligence

File Origin

# of uploads :

# of downloads :

106

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

be6b9143df8f98654c58dd4dfaa4f623991164859c8da87f8e9004199ef8a01a

Verdict:

Suspicious activity

Analysis date:

2025-01-23 12:45:22 UTC

Tags:

arch-exec

Link:

https://app.any.run/tasks/d461bd2b-9a1d-4f9e-8f19-1ffcf83c49d6

Note:

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

Detection(s):

SecuriteInfo.com.Script.SNH-gen.10078.19876.UNOFFICIAL

SecuriteInfo.com.Script.SNH-gen.27454.20576.UNOFFICIAL

Verdict:

Malicious

Score:

90.2%

Link:

https://cyber-fortress.com/docs/result/index.php?id=679239e1b5602ee8cdb022dd

Tags:

autoit emotet

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

Сreating synchronization primitives

DNS request

Connection attempt

Sending a custom TCP request

Creating a file in the %AppData% subdirectories

Enabling the 'hidden' option for recently created files

Reading critical registry keys

Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch

Stealing user critical data

Unauthorized injection to a system process

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

adaptive-context autoit compiled-script evasive fingerprint keylogger lolbin microsoft_visual_cc mpcmdrun overlay packed packer_detected

Link:

https://www.filescan.io/uploads/6798c0cac61f1594ee69526c/reports/644e45aa-d1db-494a-8dc1-da33f424041d/overview

Verdict:

Malicious

Labled as:

AIT:Trojan.Nymeria

Link:

https://www.hybrid-analysis.com/sample/a9811a63013f9a7fc654c88ab730f86187ef992231b230968c6d82a1e5ae5482

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/d35765ae-234e-4d2d-8280-eb04872eab30

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1601232

Signature

Contains functionality to log keystrokes (.Net Source)

Found malware configuration

Hides that the sample has been downloaded from the Internet (zone.identifier)

Initial sample is a PE file and has a suspicious name

Installs a global keyboard hook

Joe Sandbox ML detected suspicious sample

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)

Switches to a custom stack to bypass stack traces

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:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/a9811a63013f9a7fc654c88ab730f86187ef992231b230968c6d82a1e5ae5482

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/a9811a63013f9a7fc654c88ab730f86187ef992231b230968c6d82a1e5ae5482/

Threat name:

Win32.Trojan.AutoitInject

Status:

Malicious

First seen:

2025-01-23 12:45:22 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

25 of 38 (65.79%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=vgaruyybh6nh7rsuzcflomhymgd67gjcggzdbfumnwbkdznoksba._file

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla discovery keylogger persistence spyware stealer trojan

Link:

https://tria.ge/reports/250128-npfmhaxle1/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

System Location Discovery: System Language Discovery

Enumerates physical storage devices

Program crash

Suspicious use of SetThreadContext

Adds Run key to start application

Looks up external IP address via web service

AgentTesla

Agenttesla family

Verdict:

Malicious

Tags:

external_ip_lookup

YARA:

n/a

Link:

https://app.threat.zone/submission/e92d4694-7cdb-40bb-b467-0ba58fa40f3a

Unpacked files

SH256 hash:

77b17d76a19e4716386162117011900c17ea23f184638f258c9a77cae5608e96

MD5 hash:

b0bd2ba8cbcdd13ebe11a12d705c4aba

SHA1 hash:

90e8fe5c4508293b957588c0e2c365f8e6e12095

Detections:

win_agent_tesla_g2

Agenttesla_type2

INDICATOR_EXE_Packed_GEN01

INDICATOR_SUSPICIOUS_Binary_References_Browsers

INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID

MALWARE_Win_AgentTeslaV2

Link:

https://www.unpac.me/results/b123220b-3c7d-461b-a958-01b5c13a1f56/

Parent samples :
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SH256 hash:

a9811a63013f9a7fc654c88ab730f86187ef992231b230968c6d82a1e5ae5482

MD5 hash:

a57704cfeac0d1524c56b355c8877231

SHA1 hash:

571e572b79a2dc6e7c04efe0b6c7bb260f6272e0

Link:

https://www.unpac.me/results/b123220b-3c7d-461b-a958-01b5c13a1f56/

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:	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:	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 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:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

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:	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:	Multifamily_RAT_Detection Create hunting rule
Author:	Lucas Acha (http://www.lukeacha.com)
Description:	Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables

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:	Sus_Obf_Enc_Spoof_Hide_PE Create hunting rule
Author:	XiAnzheng
Description:	Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

Rule name:	Windows_Generic_Threat_808f680e 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.

Malspam

AgentTesla

exe a9811a63013f9a7fc654c88ab730f86187ef992231b230968c6d82a1e5ae5482

(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
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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