MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf8d154fcc6c9e8000eb86b2f45a8eba9588baa407199db8aa36f9da83a99254. 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: 21


Intelligence 21 IOCs YARA 9 File information Comments

SHA256 hash: bf8d154fcc6c9e8000eb86b2f45a8eba9588baa407199db8aa36f9da83a99254
SHA3-384 hash: c6df536438258d57fa698fdaf2ad42e83bed53fabb980f4c30ca5049394e1c203502955c61b98f5d63a8415b58bd10ac
SHA1 hash: af1311ed19ed49db529ddf3fac853d28ab850340
MD5 hash: 252ecc000ddf7521fa430f78cfcfb8aa
humanhash: summer-finch-east-georgia
File name:love.exe
Download: download sample
Signature Formbook
File size:1'229'312 bytes
First seen:2025-10-14 05:34:54 UTC
Last seen:2025-10-14 13:12:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 1895460fffad9475fda0c84755ecfee1 (309 x Formbook, 53 x AgentTesla, 36 x SnakeKeylogger)
ssdeep 24576:J5EmXFtKaL4/oFe5T9yyXYfP1ijXda5UOWSPqHdM20U0xDQs:JPVt/LZeJbInQRa5GSPIdMZx
TLSH T17C45CF0273C1D062FFAB91734B5AF6115BBC79260123A61F13A81D7ABE701B1563E7A3
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
Reporter threatcat_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
110
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
100b6fa237f2efa9c1892d8f48cada1bf8b655c82fcbcf6fd312059f935cc28b.zip
Verdict:
Suspicious activity
Analysis date:
2025-10-14 06:12:33 UTC
Tags:
arch-exec

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
91.7%
Tags:
autoit emotet
Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context anti-debug autoit compiled-script fingerprint keylogger microsoft_visual_cc packed unsafe
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-13T22:54:00Z UTC
Last seen:
2025-10-16T03:23:00Z UTC
Hits:
~1000
Detections:
Trojan-Dropper.Win32.Dorifel.sbd Trojan.Win32.Agent.sb PDM:Trojan.Win32.Generic Backdoor.Agent.HTTP.C&C Trojan.Win32.Inject.sb Trojan-Spy.Noon.HTTP.ServerRequest Trojan.Win64.Injects.gwz Trojan-Spy.Win32.Noon.sb Trojan.Win32.Strab.sb Trojan-PSW.Win32.Stealer.sb
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Binary is likely a compiled AutoIt script file
Found API chain indicative of sandbox detection
Joe Sandbox ML detected suspicious sample
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1794464 Sample: love.exe Startdate: 14/10/2025 Architecture: WINDOWS Score: 100 31 www.xgsukmhwpb.xyz 2->31 35 Suricata IDS alerts for network traffic 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 Yara detected FormBook 2->39 43 2 other signatures 2->43 11 love.exe 4 2->11         started        signatures3 41 Performs DNS queries to domains with low reputation 31->41 process4 signatures5 53 Binary is likely a compiled AutoIt script file 11->53 55 Found API chain indicative of sandbox detection 11->55 57 Writes to foreign memory regions 11->57 59 2 other signatures 11->59 14 svchost.exe 11->14         started        process6 signatures7 61 Maps a DLL or memory area into another process 14->61 17 zuf4m2bMtip.exe 14->17 injected process8 process9 19 secinit.exe 13 17->19         started        signatures10 45 Tries to steal Mail credentials (via file / registry access) 19->45 47 Tries to harvest and steal browser information (history, passwords, etc) 19->47 49 Modifies the context of a thread in another process (thread injection) 19->49 51 3 other signatures 19->51 22 YZAuFrsy3.exe 19->22 injected 25 chrome.exe 19->25         started        27 firefox.exe 19->27         started        process11 dnsIp12 33 www.xgsukmhwpb.xyz 35.227.193.9, 49720, 80 GOOGLEUS United States 22->33 29 WerFault.exe 4 25->29         started        process13
Verdict:
Malware
YARA:
7 match(es)
Tags:
AutoIt Decompiled Executable PDB Path PE (Portable Executable) PE File Layout Suspect Win 32 Exe x86
Threat name:
Win32.Trojan.Znyonm
Status:
Malicious
First seen:
2025-10-14 01:57:39 UTC
File Type:
PE (Exe)
Extracted files:
24
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Similar samples:
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
bf8d154fcc6c9e8000eb86b2f45a8eba9588baa407199db8aa36f9da83a99254
MD5 hash:
252ecc000ddf7521fa430f78cfcfb8aa
SHA1 hash:
af1311ed19ed49db529ddf3fac853d28ab850340
SH256 hash:
f9a76ec4ae87cef220c54c5308a65f0b1eccc6303293b2ebd53469ca5f94aa53
MD5 hash:
f8875cbc4ffae9735bc7ec8cdc3291f2
SHA1 hash:
4c7365d7b2bc22f99f025fe61e2dbd1fb7458627
SH256 hash:
ff9f2fa7a9fef63f025479e1719711fa960c1e7b27ffe5e9ec49a4a34ef7d16c
MD5 hash:
bd6c5a02af6f7940d9e9e706f3c5dee9
SHA1 hash:
76852b802e4b8ddfc4d4f17494b5dc6231c33732
Detections:
win_formbook_g0
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:AutoIT_Compiled
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
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__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_detect_tls_callbacks
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:TH_Generic_MassHunt_Win_Malware_2025_CYFARE
Author:CYFARE
Description:Generic Windows malware mass-hunt 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.

Malspam

Formbook

Executable exe bf8d154fcc6c9e8000eb86b2f45a8eba9588baa407199db8aa36f9da83a99254

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments