MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8530446a085c1700fc1ce3e5e21afc356d9701ed553edbfceaed8233ab2c9d95. 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: 18

Intelligence 18 IOCs YARA 20 File information Comments

SHA256 hash:	8530446a085c1700fc1ce3e5e21afc356d9701ed553edbfceaed8233ab2c9d95
SHA3-384 hash:	c8f9fdc7cb2168eda8f57024abfacd283fae83a57862e25537d847479670d7f97e5342f0f95c2ae17d104b4b8b7d6dce
SHA1 hash:	9a902f4b721e08bdc630c72031994e037278592e
MD5 hash:	5d0711edf41f420c3d84890567b6db3f
humanhash:	table-sweet-harry-echo
File name:	8530446a085c1700fc1ce3e5e21afc356d9701ed553edbfceaed8233ab2c9d95
Download:	download sample
Signature	Formbook Create hunting rule
File size:	1'073'664 bytes
First seen:	2024-06-03 12:36:23 UTC
Last seen:	2024-06-03 13:29:52 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	948cc502fe9226992dce9417f952fce3 (1'182 x CredentialFlusher, 446 x Formbook, 231 x AgentTesla)
ssdeep	24576:tqDEvCTbMWu7rQYlBQcBiT6rprG8aVikk3JTUju:tTvC/MTQYxsWR7aViN38
Threatray	2'404 similar samples on MalwareBazaar
TLSH	T11435BF027391D062FF9B91334F9AF6115BBC6A260123E61F13981DB9BE705B1163E7A3
TrID	68.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19) 12.5% (.EXE) Win64 Executable (generic) (10523/12/4) 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)
File icon (PE):
dhash icon	eccc8c94d4d8e8f4 (21 x Formbook, 15 x AgentTesla, 5 x Loki)
Reporter	adrian__luca
Tags:	exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

346

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

8530446a085c1700fc1ce3e5e21afc356d9701ed553edbfceaed8233ab2c9d95

Verdict:

Malicious activity

Analysis date:

2024-06-03 12:35:25 UTC

Tags:

evasion smtp agenttesla stealer

Link:

https://app.any.run/tasks/eacd89a6-e6af-4b1a-9982-62cabc8ebfaa

Note:

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

Detection(s):

SecuriteInfo.com.Trojan.Generic.33203615.28472.17882.UNOFFICIAL

Verdict:

Malicious

Score:

93.3%

Link:

https://cyber-fortress.com/docs/result/index.php?id=665df747ab69e84d6a2f42c9win7simulatehigh_evasion

Tags:

Network Malware

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

Creating a file in the %AppData% subdirectories

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:

83%

Tags:

autoit epmicrosoft_visual_cc fingerprint keylogger lolbin microsoft_visual_cc packed shell32

Link:

https://www.filescan.io/uploads/665db8f20bf5978c0b0bb40d/reports/eda7fa61-3507-49eb-8b17-2328020aeff1/overview

Verdict:

Malicious

Labled as:

Trojan.IEC.Generic

Link:

https://www.hybrid-analysis.com/sample/8530446a085c1700fc1ce3e5e21afc356d9701ed553edbfceaed8233ab2c9d95

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/73c595ba-f44c-45c4-a961-e5a57f6e15cb

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1451042

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)

Icon mismatch, binary includes an icon from a different legit application in order to fool users

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)

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 Generic Downloader

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/8530446a085c1700fc1ce3e5e21afc356d9701ed553edbfceaed8233ab2c9d95

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/8530446a085c1700fc1ce3e5e21afc356d9701ed553edbfceaed8233ab2c9d95/

Threat name:

Win32.Spyware.Negasteal

Status:

Malicious

First seen:

2024-05-09 10:28:17 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

24 of 38 (63.16%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=quyei2qilqlqb7a44ps6egx4gvwzoapnku7nx7hk5wbdhkzmtwkq._file

Verdict:

malicious

Label(s):

agenttesla_v4

agenttesla

Formbook

7dea1d028135e07900ed820ac9e0ab9a6207906c667736f39a407fff424ce84a

Formbook

7e638eba3ebb8495e3205270a8ff7f7e55994c188799fc5b8e31eaf9e318e691

Formbook

b079b00c1b21ed95667a8adb41808e9578a95cc5a4700f42d8cec8fe8ad399f9

Formbook

fc83bfec2d58dfb71be0fec0c02f69996c5349845dd39c8048b520696003e1fc

Formbook

+ 2'394 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla keylogger persistence spyware stealer trojan

Link:

https://tria.ge/reports/240603-ptf99sef6w/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Adds Run key to start application

Looks up external IP address via web service

AgentTesla

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/2afbded1-208d-4be3-8c2a-73a124483a39

Unpacked files

SH256 hash:

a54603486f0c3d71d20200076da25a9af0f609ed3df0486652c5975753687fd9

MD5 hash:

fe3d9efd39ec235e22db47de316826d8

SHA1 hash:

2137d2765acd9a2a15bc85ae739322d0dd67da98

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_SUSPICIOUS_EXE_SandboxHookingDLL

INDICATOR_EXE_Packed_GEN01

INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Link:

https://www.unpac.me/results/82708fab-c4ba-4bc2-8652-611680c63901/

Parent samples :

4150a9254130775146e1973ba461ffacc7d51365da70db48becba50fbfc1e39d
7c772b1c4ba1a6cb92a97314277ff62be83baccc05e385b044e226245faf5f36
58d1cf060d10e302a7cb4527dbbbc547311e5166e0a34871356024c444ee441d
db86e3bc6c91e2851f8cb119411c1ebfa404634013a03e47215250364a2ca9bb
1136ddaf95606aa08128886a929c64bd367ac38d04a67f95a2ea2b29330197fe
8530446a085c1700fc1ce3e5e21afc356d9701ed553edbfceaed8233ab2c9d95

SH256 hash:

8530446a085c1700fc1ce3e5e21afc356d9701ed553edbfceaed8233ab2c9d95

MD5 hash:

5d0711edf41f420c3d84890567b6db3f

SHA1 hash:

9a902f4b721e08bdc630c72031994e037278592e

Detections:

AutoIT_Compiled

Link:

https://www.unpac.me/results/82708fab-c4ba-4bc2-8652-611680c63901/

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/8530446a085c1700fc1ce3e5e21afc356d9701ed553edbfceaed8233ab2c9d95

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:	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_find_kernel32_base_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:	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:	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::LoadLibraryW KERNEL32.dll::LoadLibraryExW 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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