MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3548aa0ee0cecf920604b5d5d5c231f2a5241a012548198402e6121a43ef55f7. 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

Formbook

Vendor detections: 17

Intelligence 17 IOCs YARA 23 File information Comments

SHA256 hash:	3548aa0ee0cecf920604b5d5d5c231f2a5241a012548198402e6121a43ef55f7
SHA3-384 hash:	105afd4d8c83f40520b113f23a724704401d7229ca31c1f5580e7b8ea422611e10f2744cca90abe83997fad434282a82
SHA1 hash:	03a916e21638160bcc2c60a223ea6effbafbe9b6
MD5 hash:	b30d2c0c5d2a7eb1d14fcbee93a3dfb5
humanhash:	oxygen-queen-jig-twelve
File name:	New POs# ST-2312180 to ST-2312182.exe
Download:	download sample
Signature	Formbook Create hunting rule
File size:	1'406'976 bytes
First seen:	2025-01-23 02:05:04 UTC
Last seen:	2025-02-07 14:12:01 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	3d95adbf13bbe79dc24dccb401c12091 (881 x AgentTesla, 737 x FormBook, 236 x SnakeKeylogger)
ssdeep	24576:xtb20pkaCqT5TBWgNQ7aKq1LnckdvRHADmacmzi/rYApm6A:CVg5tQ7aK45OSB+is5
Threatray	1'993 similar samples on MalwareBazaar
TLSH	T14555E01373DD8361C3725273BA667701BEBF782506A5F86B2FD8093DE920122525EA73
TrID	68.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19) 12.5% (.EXE) Win64 Executable (generic) (10522/11/4) 6.0% (.EXE) Win16 NE executable (generic) (5038/12/1) 5.3% (.EXE) Win32 Executable (generic) (4504/4/1) 2.4% (.EXE) OS/2 Executable (generic) (2029/13)
Magika	pebin
File icon (PE):
dhash icon	aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter	MrMalware
Tags:	exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

541

Origin country :

Vendor Threat Intelligence

Detection(s):

SecuriteInfo.com.PSW.Agent.BORA.UNOFFICIAL

Verdict:

Malicious

Score:

90.2%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6791a60ae708b6e7a3b00408

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 an HTTP GET request

Creating a file in the %AppData% subdirectories

Reading critical registry keys

Sending a custom TCP request

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

Stealing user critical data

Unauthorized injection to a system process

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

adaptive-context anti-debug anti-vm anti-vm autoit compiled-script cscript evasive explorer fingerprint hacktool keylogger lolbin microsoft_visual_cc monero packed packed packer_detected

Link:

https://www.filescan.io/uploads/6791a40bb85c9effc2a2b349/reports/79c47d59-c9db-48d3-932e-e86f23faf9b4/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/3548aa0ee0cecf920604b5d5d5c231f2a5241a012548198402e6121a43ef55f7

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/c30123d4-dfde-491c-8b57-817df60bf7c8

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1597227

Signature

AI detected suspicious sample

Antivirus / Scanner detection for submitted sample

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

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

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 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/3548aa0ee0cecf920604b5d5d5c231f2a5241a012548198402e6121a43ef55f7

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/3548aa0ee0cecf920604b5d5d5c231f2a5241a012548198402e6121a43ef55f7/

Threat name:

ByteCode-MSIL.Trojan.Generic

Status:

Suspicious

First seen:

2025-01-22 00:23:44 UTC

AV detection:

12 of 24 (50.00%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=gvekudxaz3hzebqewxk5lqrr6kssigqbevebtbac4yjbuq7pkx3q._file

Verdict:

malicious

Label(s):

agenttesla

unknown_loader_036

autoit

Formbook

3ca1c11c2d4173581e8007b955c912dd1d6abdb1bafe03924aca8cba437df745

Formbook

ad4cfc06bad357de4ab58c9c01bc2e7015fd1944e35a206ef8b053611119f04f

Formbook

b02f19bf45c82bdd045b8d198ae520eb2b78b2697fe2abccbc3dc07f5b7bef6c

Formbook

ca8b529cb0b693f6ff0dfe104fd063c4c161c572980dacd2d6d714a84dcfb03e

Formbook

ce89a0a88051c50bf0be5ab41e5f2d478b5f3eac141b37a9743cab99423656ce

Formbook

e1c4ebf667038a2692ce28436dc28ed7d3c43599f8703dcadf290f45fe6c5e02

Formbook

error

Formbook

f482d607663a330b6a2393c8c9850bba8eddc53a4f80012c17dfcc416df05880

Formbook

+ 1'983 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla discovery keylogger persistence spyware stealer trojan

Link:

https://tria.ge/reports/250123-cjebpsxqfm/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

System Location Discovery: System Language Discovery

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/222c7f75-3856-46db-a01e-2b5657d77660

Unpacked files

SH256 hash:

7c7e910cbe5a35a467f3b8fa1f7061074e8e0fb907b82821d1e6202f49673c23

MD5 hash:

b23a1e718dc516b39032e683eac4ebf0

SHA1 hash:

f47ed52ae1e17489966c9b07a57e160b019b664a

Detections:

AgentTesla

win_agent_tesla_g2

INDICATOR_EXE_Packed_GEN01

INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL

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

Agenttesla_type2

Link:

https://www.unpac.me/results/6b9c1943-0b03-429e-82f8-c30e06abcd48/

Parent samples :
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SH256 hash:

3548aa0ee0cecf920604b5d5d5c231f2a5241a012548198402e6121a43ef55f7

MD5 hash:

b30d2c0c5d2a7eb1d14fcbee93a3dfb5

SHA1 hash:

03a916e21638160bcc2c60a223ea6effbafbe9b6

Link:

https://www.unpac.me/results/6b9c1943-0b03-429e-82f8-c30e06abcd48/

Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/3548aa0ee0ce/report/overview.html

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/3548aa0ee0cecf920604b5d5d5c231f2a5241a012548198402e6121a43ef55f7

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

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:	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_Trojan_AgentTesla_ebf431a8 Create hunting rule
Author:	Elastic Security
Reference:	https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla

Rule name:	YahLover Create hunting rule
Author:	Kevin Falcoz
Description:	YahLover

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::CopyFileW KERNEL32.dll::CreateDirectoryW KERNEL32.dll::CreateHardLinkW IPHLPAPI.DLL::IcmpCreateFile KERNEL32.dll::CreateFileW KERNEL32.dll::DeleteFileW
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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