MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5cb8d41ea10ce8e72f0564cffa0aba3ca2f7ef393b03b850e46efe148912b67e. 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: 13


Intelligence 13 IOCs YARA 14 File information Comments

SHA256 hash: 5cb8d41ea10ce8e72f0564cffa0aba3ca2f7ef393b03b850e46efe148912b67e
SHA3-384 hash: 4245250eeb6dbbc7a37ba4e3040cf3aeb0485184073cdf3e321886c0e0a3b4f4ee8fbd41783da07085081639fe8dcb6f
SHA1 hash: a3d6c02c90b9d1f80cdc2a022a408f3cf69bd246
MD5 hash: fa8be8f2d182bad89784462a434c9423
humanhash: mirror-winter-georgia-diet
File name:SecuriteInfo.com.Trojan.Inject7.506.14826.15420
Download: download sample
Signature Formbook
File size:302'080 bytes
First seen:2026-08-13 13:28:11 UTC
Last seen:2026-08-13 14:21:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 6144:jAHbIQffWV3k96O67pOJDeZ2+gQo2mQIGB7W112dvezu2abX:jA8lV05SwWLmQIGBfdeu2aj
TLSH T18A5423D26665F1EDEA49EE7B0087C0E05842713F8D2B9EAB75E86A1023749C47C2DD37
TrID 44.6% (.EXE) Win64 Executable (generic) (6522/11/2)
14.0% (.ICL) Windows Icons Library (generic) (2059/9)
13.8% (.EXE) OS/2 Executable (generic) (2029/13)
13.7% (.EXE) Generic Win/DOS Executable (2002/3)
13.6% (.EXE) DOS Executable (generic) (2000/1)
Magika pebin
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
121
Origin country :
FR FR
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
BU560.js
Verdict:
Malicious activity
Analysis date:
2026-08-13 07:12:46 UTC
Tags:
loader xloader

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

Behaviour
Launching a process
Сreating synchronization primitives
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook microsoft_visual_cc packed
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-08-04T04:26:00Z UTC
Last seen:
2026-08-14T00:49:00Z UTC
Hits:
~10
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Threat name:
Win64.Backdoor.FormBook
Status:
Malicious
First seen:
2026-08-05 20:33:00 UTC
File Type:
PE+ (Exe)
AV detection:
29 of 36 (80.56%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Unpacked files
SH256 hash:
5cb8d41ea10ce8e72f0564cffa0aba3ca2f7ef393b03b850e46efe148912b67e
MD5 hash:
fa8be8f2d182bad89784462a434c9423
SHA1 hash:
a3d6c02c90b9d1f80cdc2a022a408f3cf69bd246
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: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: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.

Web download

Formbook

Executable exe 5cb8d41ea10ce8e72f0564cffa0aba3ca2f7ef393b03b850e46efe148912b67e

(this sample)

  
Delivery method
Distributed via web download

Comments