MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d248a0c9b30b0ae7ba91096d8106ca1b97b706a4d10e3921caeab6e9031bd565. 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: 20


Intelligence 20 IOCs YARA 21 File information Comments

SHA256 hash: d248a0c9b30b0ae7ba91096d8106ca1b97b706a4d10e3921caeab6e9031bd565
SHA3-384 hash: 24ff4b03486c69bf18ef382c8f59f257cb19d715aac1fe31a892fefe0dec3818ce76c960641daed6afff338d8d516f9d
SHA1 hash: e3e9b2ac4b517f07560572db3cc3af18f73fa0be
MD5 hash: 9ccd3557750a4129199b56c5c121e36d
humanhash: oranges-bluebird-finch-sweet
File name:SecuriteInfo.com.Win32.MalwareX-gen.21843.17996
Download: download sample
Signature Formbook
File size:852'480 bytes
First seen:2025-09-16 18:17:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 24576:2PkgoTXcl8rC6Ji+aao3egB5y6ymqZmP:2joTsleKBOgn8m
Threatray 1'162 similar samples on MalwareBazaar
TLSH T12505D0AC3255B99FC413CE768AB0DDB4A6206C6A5307C20395E71D9FB90DA979F102F3
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
112
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
SecuriteInfo.com.Win32.MalwareX-gen.21843.17996
Verdict:
Malicious activity
Analysis date:
2025-09-16 18:20:30 UTC
Tags:
formbook xloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
shell virus micro
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Sending a custom TCP request
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
bitmap obfuscated obfuscated packed packed stego vbnet
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-16T14:37:00Z UTC
Last seen:
2025-09-16T14:37:00Z UTC
Hits:
~1000
Detections:
PDM:Trojan.Win32.Generic HEUR:Trojan.MSIL.Taskun.gen Backdoor.Agent.HTTP.C&C Trojan.MSIL.Taskun.sb Trojan.MSIL.Inject.sb Trojan.MSIL.Crypt.sb Trojan-Spy.Noon.HTTP.ServerRequest VHO:Backdoor.Win32.Agent.gen Trojan-Spy.Win32.Noon.sb
Verdict:
inconclusive
YARA:
12 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.80 Win 32 Exe x86
Threat name:
Win32.Backdoor.FormBook
Status:
Malicious
First seen:
2025-09-16 17:36:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook discovery execution rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Formbook family
Unpacked files
SH256 hash:
d248a0c9b30b0ae7ba91096d8106ca1b97b706a4d10e3921caeab6e9031bd565
MD5 hash:
9ccd3557750a4129199b56c5c121e36d
SHA1 hash:
e3e9b2ac4b517f07560572db3cc3af18f73fa0be
SH256 hash:
1041b538ccbc7d66e59247ef7551cde9b6c282843541585e9190a8e2e3943b12
MD5 hash:
e870d1e8f3791ccc141f85f40fd2972b
SHA1 hash:
150919ee289cffa6feb40ab8261f620dd7e26aac
SH256 hash:
3b5bbf3716273258ea9b3a62b4554c29b78bce7caf6dfd6badecb9d28a644a6e
MD5 hash:
93eeeb557228b6aff0ae5c2c74178d6e
SHA1 hash:
b0481d06e1b0b997e2f91bbf8b7ca2b4c4c7f6c0
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
0fd8fbd3f9fea94bbfaa61d0b25e4d7e1f624338912296a8cd05fad3de6f7b64
MD5 hash:
c74b415bb180764d6b8031cec0cebe45
SHA1 hash:
ce2b7b025b572f8d797aee799d74f9bdee553fd7
SH256 hash:
f0cb55f264ecd2e074276bac9bb05156d4c1e9d0c7c32731ca0eab8e56cf8a93
MD5 hash:
652dc3ea284ef5640b37e3d3d844e440
SHA1 hash:
3b6aa4a5591245f8260304d65f5f7c2c6d175314
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_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
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:Formbook
Author:kevoreilly
Description:Formbook Payload
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:meth_stackstrings
Author:Willi Ballenthin
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

File information


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

Comments