MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 04e293d3a35fc2a8a1c90f28fa4d1c92412a04757035972fd49f47de0e5e5a9a. 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 25 File information Comments

SHA256 hash: 04e293d3a35fc2a8a1c90f28fa4d1c92412a04757035972fd49f47de0e5e5a9a
SHA3-384 hash: d50340535e84d7c4e32cff2a634709a4a032b92e1c7aeb87e4d4dc5902b35a6ca67ca3d7a33841f074983af14fe9bb87
SHA1 hash: ab332f0b1b72cae0727b85d96c6a0be0fd1e1b93
MD5 hash: 0542ade50c2fba4ec61499340cc21884
humanhash: december-lamp-uniform-fanta
File name:Doc001886_1308002341 Pdf.exe
Download: download sample
Signature Formbook
File size:1'075'200 bytes
First seen:2026-08-03 12:37:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'192 x AgentTesla, 20'344 x Formbook, 12'365 x SnakeKeylogger)
ssdeep 24576:8YYawfiZKUcBnCYoz49xjMnFtlB/LApclnWtALYKdjU2PwCKG2W1:8YYawq8UcBnCY+dzwQnWtALYqU2YA
TLSH T14F351228F729D513C98787710835E7B502B05DECA521C39B9BF9FDEB3869A0A3C1D291
TrID 72.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.4% (.EXE) Win64 Executable (generic) (6522/11/2)
4.4% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
dhash icon f0d8d8c979f0d4f0 (1 x Formbook)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
106
Origin country :
US US
Vendor Threat Intelligence
Malware family:
guloader
ID:
1
File name:
exe
Verdict:
Malicious activity
Analysis date:
2026-08-03 12:40:18 UTC
Tags:
auto-reg guloader loader formbook xloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Launching a process
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-08-03T02:52:00Z UTC
Last seen:
2026-08-03T05:54:00Z UTC
Hits:
~100
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.29 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Status:
Malicious
First seen:
2026-08-03 12:37:02 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook adware collection discovery execution persistence rat spyware stealer trojan
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
Enumerates physical storage devices
System Location Discovery: System Language Discovery
SmartAssembly .NET packer
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Family: Formbook
Formbook payload
Unpacked files
SH256 hash:
04e293d3a35fc2a8a1c90f28fa4d1c92412a04757035972fd49f47de0e5e5a9a
MD5 hash:
0542ade50c2fba4ec61499340cc21884
SHA1 hash:
ab332f0b1b72cae0727b85d96c6a0be0fd1e1b93
SH256 hash:
7993f3f39bf995971fca177dbfedab0008c1c5ad4b1a0197b760b46fbd744952
MD5 hash:
e6d1b71459b5f91ab361da3b12ea77a5
SHA1 hash:
0c474bd2506506b6d3a6876d74b63bb5ae1d3b64
SH256 hash:
3a1f3580d425ccdbd81e9d2473311c65547514614a8c53ce91a95f96e245fbb5
MD5 hash:
6b754f8e2c67efe3dd493f46c1bf6047
SHA1 hash:
182cedef8b6d9e256d350f5a7bd1c682cb05be68
SH256 hash:
6976d7c102c59a7d88089f847a0cfb1c8e5221e373ef5c381b490b8540e300a4
MD5 hash:
41e590b11a0302a033e943598191e2e7
SHA1 hash:
fc9128276799079c5d8792e56293ad7cdb7ffb04
Please note that we are no longer able to provide a coverage score for Virus Total.

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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__GlobalFlags
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:dgaagas
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:TH_Win_ETW_Bypass_2025_CYFARE
Author:CYFARE
Description:Windows ETW Bypass Detection Rule - 2025
Reference:https://cyfare.net/

File information


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

Comments