MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 492a81335095e6e593954df9c0248e1bb9b992f7b6fc3b0c07d405d86cdabb8e. 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: 14

Intelligence 14 IOCs YARA 21 File information Comments

SHA256 hash:	492a81335095e6e593954df9c0248e1bb9b992f7b6fc3b0c07d405d86cdabb8e
SHA3-384 hash:	5c3439f3c09145a05b608c7ebcbb22d07544c06586f6a9cf7f7ca8fa5ecc001b0df49ebb64f4b1f47bd89e061c146bde
SHA1 hash:	67b82c0ea1008eeaa7be995d0139902dc63f2817
MD5 hash:	89d2df65649cb37ed58d89e5b3543968
humanhash:	blossom-seventeen-blue-mississippi
File name:	Transaction receipt.exe
Download:	download sample
Signature	Formbook Create hunting rule
File size:	1'302'528 bytes
First seen:	2025-03-24 15:51:09 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep	24576:vAHnh+eWsN3skA4RV1Hom2KXFmIaPA8H5yPiYZaoiM+5:Sh+ZkldoPK1XaoY5i4o6
Threatray	1'414 similar samples on MalwareBazaar
TLSH	T1B455BE227391C035FFAB92735BAAB20246BD7D258533C42F13983D79BA711B1127E663
TrID	32.2% (.EXE) Win64 Executable (generic) (10522/11/4) 20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 15.4% (.EXE) Win16 NE executable (generic) (5038/12/1) 13.7% (.EXE) Win32 Executable (generic) (4504/4/1) 6.2% (.EXE) OS/2 Executable (generic) (2029/13)
Magika	pebin
dhash icon	3333333333535353 (1 x Formbook)
Reporter	James_inthe_box
Tags:	exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

476

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

Transaction receipt.exe

Verdict:

No threats detected

Analysis date:

2025-03-17 11:40:40 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/34fb99ba-3543-4420-83a3-93fa00980f93

Note:

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

Detection(s):

SecuriteInfo.com.Trojan.Packed2.46129.15677.12100.UNOFFICIAL

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67e24cc5bb84e066269ede0e

Tags:

installmetrix autoit emotet

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Creating a file in the %temp% directory

Launching a process

Сreating synchronization primitives

Unauthorized injection to a system process

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

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

Link:

https://www.filescan.io/uploads/67e17f79de7b23ce171e4df9/reports/1edb7edc-7a06-4da8-86e4-7bb17ce40b5b/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/492a81335095e6e593954df9c0248e1bb9b992f7b6fc3b0c07d405d86cdabb8e

Result

Verdict:

MALICIOUS

Result

Threat name:

FormBook

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1647252

Behaviour

Behavior Graph:

n/a

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/492a81335095e6e593954df9c0248e1bb9b992f7b6fc3b0c07d405d86cdabb8e

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/492a81335095e6e593954df9c0248e1bb9b992f7b6fc3b0c07d405d86cdabb8e/

Threat name:

Win32.Trojan.AutoitInject

Status:

Malicious

First seen:

2025-03-17 09:47:55 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

20 of 24 (83.33%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=jevicm2qsxtole4vjx44ajeodo43texxw36dwdah2qc5q3g2xoha._file

Verdict:

malicious

Label(s):

formbook

unc_loader_036

Result

Malware family:

n/a

Score:

5/10

Tags:

discovery

Link:

https://tria.ge/reports/250324-takwkawjz6/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Verdict:

Malicious

Tags:

trojan

YARA:

SUSP_Imphash_Mar23_3

Link:

https://app.threat.zone/submission/f82a7ce8-81f9-4552-9df7-3a6b49befa47

Unpacked files

SH256 hash:

492a81335095e6e593954df9c0248e1bb9b992f7b6fc3b0c07d405d86cdabb8e

MD5 hash:

89d2df65649cb37ed58d89e5b3543968

SHA1 hash:

67b82c0ea1008eeaa7be995d0139902dc63f2817

Link:

https://www.unpac.me/results/1a9cf688-14db-4f27-a2fa-cb5a1f114a45/

SH256 hash:

211a5cc99624e28c7c0d59ed7ae9e650b084ca093b8b40c3e4cea37092ad262a

MD5 hash:

bd838ad2d69b474e5b266f376950c416

SHA1 hash:

46ea995b50b55c666547b7f21708f3d8ea38c84b

Link:

https://www.unpac.me/results/1a9cf688-14db-4f27-a2fa-cb5a1f114a45/

SH256 hash:

c98d2dbf82089517d33468d7788e89b3390c9820519180b48c11275c62df827a

MD5 hash:

5571add7dbbba752d2725cb2e757321b

SHA1 hash:

4788ede35c81bfeec94676907a476aef1d7cb3fe

Detections:

win_formbook_g0

Link:

https://www.unpac.me/results/1a9cf688-14db-4f27-a2fa-cb5a1f114a45/

Parent samples :

1084a2bc1e58b81668c71b3be51e34ad16cb22b957f67ff5436504a2a79b6f4d
492a81335095e6e593954df9c0248e1bb9b992f7b6fc3b0c07d405d86cdabb8e

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/492a81335095e6e593954df9c0248e1bb9b992f7b6fc3b0c07d405d86cdabb8e

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

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

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

Rule name:	DebuggerHiding__Thread 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:	MD5_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for MD5 constants

Rule name:	pe_no_import_table Create hunting rule
Description:	Detect pe file that no import table

Rule name:	RIPEMD160_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for RIPEMD-160 constants

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

Rule name:	SHA1_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA1 constants

Rule name:	shellcode Create hunting rule
Author:	nex
Description:	Matched shellcode byte patterns

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:	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)

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

exe 492a81335095e6e593954df9c0248e1bb9b992f7b6fc3b0c07d405d86cdabb8e

(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

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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