MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4d8cd04798aaafb78c49bb9b368e8e750df1a3bd35d347ae2eed2a71f3dc932d. 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: 16


Intelligence 16 IOCs YARA 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4d8cd04798aaafb78c49bb9b368e8e750df1a3bd35d347ae2eed2a71f3dc932d
SHA3-384 hash: 94895e1a9eee308755a03501cee9cbecac2426d47d5215176fe3a932e281b5b57ce9036dbdd0b473b03fcc14adcdb454
SHA1 hash: f5f6879744abb8fb91c513b00b80b50b1bde969e
MD5 hash: ad936a8f4dc4b88835d65da8c363a0fc
humanhash: london-oranges-victor-arkansas
File name:4d8cd04798aaafb78c49bb9b368e8e750df1a3bd35d347ae2eed2a71f3dc932d
Download: download sample
Signature Formbook
Create hunting rule
File size:1'191'936 bytes
First seen:2025-07-07 14:00:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3d95adbf13bbe79dc24dccb401c12091 (881 x AgentTesla, 737 x FormBook, 236 x SnakeKeylogger)
ssdeep 24576:Dtb20pkaCqT5TBWgNQ7aS9/OuNPz+l6FXNERPC6A:AVg5tQ7aS9zz+lUXuk5
Threatray 2'395 similar samples on MalwareBazaar
TLSH T1CE45C01363DE8364C3B25273BA66BB41BE7F782506B1F56B2FD4093DB920121521EA73
TrID 40.3% (.EXE) Win64 Executable (generic) (10522/11/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4504/4/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
20
Origin country :
HU HU
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/12701/
Detection(s):
SecuriteInfo.com.PSW.Agent.BORA.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=686bd319c9eb9747376765f1
Tags:
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 fingerprint keylogger microsoft_visual_cc packed packed packer_detected
Link:
https://www.filescan.io/uploads/686bd33a0737c4165a925912/reports/0d39a681-eb84-4fc4-84c5-541625df4814/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/4d8cd04798aaafb78c49bb9b368e8e750df1a3bd35d347ae2eed2a71f3dc932d
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/dc3e8122-053e-49b2-9134-926df551aa9b
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4d8cd04798aaafb78c49bb9b368e8e750df1a3bd35d347ae2eed2a71f3dc932d
Verdict:
Malware
YARA:
7 match(es)
Tags:
AutoIt Decompiled Executable PE (Portable Executable) Suspect Win 32 Exe x86
Link:
https://app.malva.re/file/ad936a8f4dc4b88835d65da8c363a0fc
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4d8cd04798aaafb78c49bb9b368e8e750df1a3bd35d347ae2eed2a71f3dc932d/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2025-06-17 01:12:32 UTC
File Type:
PE (Exe)
Extracted files:
24
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jwgnar4yvkx3pdcjxontnduooug7di55gxjuplro5uvhd464smwq._file
Verdict:
malicious
Label(s):
unc_loader_036
Create hunting rule
autoit
Create hunting rule
formbook
Create hunting rule
Similar samples:
192aa0a8e282a9344634f2742b7af5e0c312b110b93c16c5f1107b279e76866f
Formbook
1d227c29702a16bc418b92aebbfbcf49c0584c25488c0257b4c8276bbdeb68c5
Formbook
818748704f30fafa6b32864efe6904d7c3a972c461bdbff0f18cb20f960304b5
Formbook
a553ff1d13ae071438bd4bbea08a59917a5dcb635c80024d7438059158b0d39e
Formbook
e5b03cd986d01784169cf3c91b130eb538c17f44e1136a212f3a6a60080cd894
Formbook
efa23692aeb1a3c3365ba0c850e3248f4f0009bf386ff101dcd8dafe65f70024
Formbook
f3d8968d820bc41f9acb0bb83e049afedf2fd11c35d559141c6cf31bcafd08c0
Formbook
+ 2'385 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/250707-rbqr4at1bw/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/b5f3c495-523a-4ca1-857a-4c8c88fd9e92
Unpacked files
SH256 hash:
4d8cd04798aaafb78c49bb9b368e8e750df1a3bd35d347ae2eed2a71f3dc932d
MD5 hash:
ad936a8f4dc4b88835d65da8c363a0fc
SHA1 hash:
f5f6879744abb8fb91c513b00b80b50b1bde969e
Link:
https://www.unpac.me/results/8273bf5d-6c86-43d4-b324-d2e1cb714837/
SH256 hash:
70f61d5be5b17a39f894d4d914e74c7cc9e0c06b1b7ca83823cd705ce810ac8d
MD5 hash:
895343337bdcd007996eb9d3f26f088d
SHA1 hash:
bba01cdba5c804e4b53e46844fec72aa6e8c4283
Link:
https://www.unpac.me/results/8273bf5d-6c86-43d4-b324-d2e1cb714837/
SH256 hash:
8c094a6b09bf784ecf3b738955e0f2f40234379d5d0b2bb41f40c996ed7ce1ee
MD5 hash:
12dfd0b4675b2f5925bc27e68dc2f749
SHA1 hash:
7800dca6d0ba4a6aada46cb9ef89ebdaf63e172d
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/8273bf5d-6c86-43d4-b324-d2e1cb714837/
Parent samples :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 note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4d8cd04798aaafb78c49bb9b368e8e750df1a3bd35d347ae2eed2a71f3dc932d

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:Formbook
Create hunting rule
Author:kevoreilly
Description:Formbook Payload
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
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: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: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: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.

Cape
Cape
https://www.capesandbox.com/analysis/12701/

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
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::AllocateAndInitializeSid
ADVAPI32.dll::CopySid
ADVAPI32.dll::FreeSid
ADVAPI32.dll::GetLengthSid
ADVAPI32.dll::GetTokenInformation
ADVAPI32.dll::GetAce
COM_BASE_APICan Download & Execute componentsole32.dll::CLSIDFromProgID
ole32.dll::CoCreateInstance
ole32.dll::CoCreateInstanceEx
ole32.dll::CoInitializeSecurity
ole32.dll::CreateStreamOnHGlobal
MULTIMEDIA_APICan Play MultimediaWINMM.dll::mciSendStringW
WINMM.dll::timeGetTime
WINMM.dll::waveOutSetVolume
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AddAce
ADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::CheckTokenMembership
ADVAPI32.dll::DuplicateTokenEx
ADVAPI32.dll::GetAclInformation
ADVAPI32.dll::GetSecurityDescriptorDacl
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
SHELL32.dll::ShellExecuteW
SHELL32.dll::SHFileOperationW
WIN32_PROCESS_APICan Create Process and ThreadsADVAPI32.dll::CreateProcessAsUserW
KERNEL32.dll::CreateProcessW
ADVAPI32.dll::CreateProcessWithLogonW
KERNEL32.dll::OpenProcess
ADVAPI32.dll::OpenProcessToken
ADVAPI32.dll::OpenThreadToken
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::SetSystemPowerState
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetDriveTypeW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
IPHLPAPI.DLL::IcmpCreateFile
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
ADVAPI32.dll::GetUserNameW
ADVAPI32.dll::LogonUserW
ADVAPI32.dll::LookupPrivilegeValueW
WIN_NETWORK_APISupports Windows NetworkingMPR.dll::WNetAddConnection2W
MPR.dll::WNetUseConnectionW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegConnectRegistryW
ADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::BlockInput
USER32.dll::CloseDesktop
USER32.dll::CreateMenu
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExW
USER32.dll::FindWindowW

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