MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 337d289a780f05f1af3a6937c5e2fa876c032358ea420dffc406959d98f4e336. 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 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 337d289a780f05f1af3a6937c5e2fa876c032358ea420dffc406959d98f4e336
SHA3-384 hash: 2d53a5b51163c6969484731248fd9fa33bb5691b48362c0421cc7df7d62302d64de96841d6e4302a9a8b936152ac2d2b
SHA1 hash: 2cf8f97f251288cdd65fb28e02d15a682b734547
MD5 hash: 5a8884b715f2c94aef4ea9c460d04481
humanhash: magazine-monkey-foxtrot-kitten
File name:337d289a780f05f1af3a6937c5e2fa876c032358ea420dffc406959d98f4e336
Download: download sample
Signature Formbook
Create hunting rule
File size:1'192'960 bytes
First seen:2025-07-07 15:04:06 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:stb20pkaCqT5TBWgNQ7aS+q5JlrMXJT/UBfZ5CGB6A:VVg5tQ7aSx5rY4Bx5Ci5
Threatray 2'395 similar samples on MalwareBazaar
TLSH T14445CF2373DE8365C3725273BA15B701AEBF782506B1F96B2FD4093DE920162521EA73
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 :
22
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
backup-message-2-1446537.eml
Verdict:
Malicious activity
Analysis date:
2025-06-27 07:47:52 UTC
Tags:
arch-exec attachments attc-arch
Link:
https://app.any.run/tasks/2f628789-8759-4773-a054-8080c3010e35

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/13189/
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=686be23e900df8e7f868511a
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:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/337d289a780f05f1af3a6937c5e2fa876c032358ea420dffc406959d98f4e336
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b1ba34bf-82a6-4b26-a170-2bbfd7d89e91
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/337d289a780f05f1af3a6937c5e2fa876c032358ea420dffc406959d98f4e336
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/337d289a780f05f1af3a6937c5e2fa876c032358ea420dffc406959d98f4e336/
Threat name:
Win32.Trojan.AutoitInject
Create hunting rule
Status:
Malicious
First seen:
2025-06-26 20:37:55 UTC
File Type:
PE (Exe)
Extracted files:
24
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gn6srgtyb4c7dlz2ne34lyx2q5wagi2y5jba376ea2kz3ghu4m3a._file
Verdict:
malicious
Label(s):
autoit
Create hunting rule
Similar samples:
0336c4078ba6f296040f26bdb3c998c80508b971fd40c593ddb9807f3ac3c62b
Formbook
337d289a780f05f1af3a6937c5e2fa876c032358ea420dffc406959d98f4e336
Formbook
4222b0dd41394779d3041e87b34d30735418a686d359de41344726f6d9bb13ad
Formbook
64292935fd805533322c969877b8eced4b9f761a2b42e3dd38f5a2d7f9894311
Formbook
7ebfc7d3d57781f0b793be860491ea1d055a50c7879a678381dff94aa2624723
Formbook
9e930b0c693aa0db14f212f182111370f1f953de7bb8f376200cc3128f1cfac3
Formbook
error
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-sfwpkswwdy/
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/dda04148-d329-4f0a-a4e3-4ce6624edcfc
Unpacked files
SH256 hash:
337d289a780f05f1af3a6937c5e2fa876c032358ea420dffc406959d98f4e336
MD5 hash:
5a8884b715f2c94aef4ea9c460d04481
SHA1 hash:
2cf8f97f251288cdd65fb28e02d15a682b734547
Link:
https://www.unpac.me/results/8ac197a7-a639-4a33-ada2-858909c55417/
SH256 hash:
9667404ed1425c197c1e019c87f29219bb2cdec1150ee10c6c9854ce58b95c67
MD5 hash:
fd99616e3674b497a3b3452d806adfc1
SHA1 hash:
c1a4479391712b5ecf1a8e1b886c60a36601d75c
Link:
https://www.unpac.me/results/8ac197a7-a639-4a33-ada2-858909c55417/
SH256 hash:
debedc6329a7846f4f804616e1552e91980f0d6754a6fbd1e7ff0718bd6be11c
MD5 hash:
4be8dbc8649ca5cf589bf0c03ddc578b
SHA1 hash:
f3104b38e6b9d0da64c7485e5817517ed46d83b7
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/8ac197a7-a639-4a33-ada2-858909c55417/
Parent samples :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 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/337d289a780f05f1af3a6937c5e2fa876c032358ea420dffc406959d98f4e336

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:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:dgaagas
Create hunting rule
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
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: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/13189/

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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