MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b51ddf9600f7c0fc2a33a333fd7aac65eb2b3cd066a8153fd61a3b212c068ca7. 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: 19


Intelligence 19 IOCs YARA 22 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b51ddf9600f7c0fc2a33a333fd7aac65eb2b3cd066a8153fd61a3b212c068ca7
SHA3-384 hash: bfc7bec6e55bb49ecaab275a08ea2e5b65197148d879d277390b1ee781da0111fb5e9cf559a475d7d4d6e7be882d0eb4
SHA1 hash: 4e2960478efbd273a16ee5bdae4e8d8e36e0d183
MD5 hash: 3beb3bf1a201d72b37e55478f38b4fc4
humanhash: colorado-sink-six-sweet
File name:rQuotation.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'251'840 bytes
First seen:2025-09-11 16:31:18 UTC
Last seen:2025-10-10 06:23:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 1895460fffad9475fda0c84755ecfee1 (301 x Formbook, 52 x AgentTesla, 35 x SnakeKeylogger)
ssdeep 24576:85EmXFtKaL4/oFe5T9yyXYfP1ijXdajyDk9f5hC1mKsJsEcING:8PVt/LZeJbInQRaj8UhKsJf
TLSH T1C945BF027391D062FFAB92334F5AF6125BBC79260123AA1F13981D79BD701B1563E7A3
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 FXOLabs
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
121
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Quotation.exe
Verdict:
No threats detected
Analysis date:
2025-09-11 15:41:41 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/add6b268-6c47-46f4-b9f4-5ec5c7f2e1e6

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/26967/
Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68c2f97fb20052598879d9bc
Tags:
autoit emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Launching a process
Сreating synchronization primitives
Sending a custom TCP request
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context autoit compiled-script fingerprint keylogger lolbin microsoft_visual_cc netsh obfuscated packed packed packer_detected squirrel threat
Link:
https://www.filescan.io/uploads/68c2f97c0d1238ff0aaa37b5/reports/f8926bbc-f51d-41a1-84eb-fa1e6afb643e/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/b51ddf9600f7c0fc2a33a333fd7aac65eb2b3cd066a8153fd61a3b212c068ca7
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-11T08:51:00Z UTC
Last seen:
2025-09-11T08:51:00Z UTC
Hits:
~1000
Detections:
PDM:Trojan.Win32.Generic Trojan-Spy.Win32.Noon.sb Trojan.Win32.Strab.sb Trojan.Win32.Inject.sb HEUR:Trojan.Script.AUO.gen Trojan.Win32.Zenpak.sb
Link:
https://opentip.kaspersky.com/b51ddf9600f7c0fc2a33a333fd7aac65eb2b3cd066a8153fd61a3b212c068ca7/results?tab=lookup
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/cf954be8-7aff-4550-b9a1-678bb59618ba
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b51ddf9600f7c0fc2a33a333fd7aac65eb2b3cd066a8153fd61a3b212c068ca7
Verdict:
Malware
YARA:
7 match(es)
Tags:
AutoIt Decompiled Executable PDB Path PE (Portable Executable) PE File Layout Suspect Win 32 Exe x86
Link:
https://app.malva.re/file/3beb3bf1a201d72b37e55478f38b4fc4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b51ddf9600f7c0fc2a33a333fd7aac65eb2b3cd066a8153fd61a3b212c068ca7/
Verdict:
Malicious
Threat:
Family.FORMBOOK
Link:
https://tip.neiki.dev/file/b51ddf9600f7c0fc2a33a333fd7aac65eb2b3cd066a8153fd61a3b212c068ca7
Threat name:
Win32.Trojan.AutoitInject
Create hunting rule
Status:
Malicious
First seen:
2025-09-11 12:25:37 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wuo57fqa67apykrtumz726vmmxvswpgqm2ubkp6wdi5sclagrstq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/250911-t1t7xsvxat/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
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
Link:
https://app.threat.zone/submission/ed7b5192-ee9c-4d57-9c43-c887b2060739
Unpacked files
SH256 hash:
b51ddf9600f7c0fc2a33a333fd7aac65eb2b3cd066a8153fd61a3b212c068ca7
MD5 hash:
3beb3bf1a201d72b37e55478f38b4fc4
SHA1 hash:
4e2960478efbd273a16ee5bdae4e8d8e36e0d183
Link:
https://www.unpac.me/results/f941d255-b9c8-4f6c-b64e-8d67385acfb6/
SH256 hash:
857b705820a55cccffee01ee09c44158d25bcb2506951ede38ea2c15f639c664
MD5 hash:
fe33d3055b909c6b46c7970773d0d245
SHA1 hash:
2f5897f9e59fecc06524bf263d38ad7bc4798377
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/f941d255-b9c8-4f6c-b64e-8d67385acfb6/
Parent samples :
336b45d6525d7f84650bedc820b46047a465bb14c2e6f7829a45be9436b363d6
344a1d112d40622af871c3a370b4706dade1e3d164ea551d3b0e7a8e223d120a
8f064ec48a75504a979ef910d5a67f31c25acd4a6b86be0ca0598268f4ca6843
b51ddf9600f7c0fc2a33a333fd7aac65eb2b3cd066a8153fd61a3b212c068ca7
6a020132c224fcca5502520620cc49dc82bd68330ae2312656f586c5e33ee602
SH256 hash:
ffe02523af00b56db1d65db0c43f197080d6007a48efc8c8e204584578e7a92c
MD5 hash:
d8ffb96fb8b990ac709a8c4f2f53bf96
SHA1 hash:
df3bb220fe24a83d35d11368ed1829834746e6db
Link:
https://www.unpac.me/results/f941d255-b9c8-4f6c-b64e-8d67385acfb6/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b51ddf9600f7/report/overview.html
Please 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/b51ddf9600f7c0fc2a33a333fd7aac65eb2b3cd066a8153fd61a3b212c068ca7

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:CP_AllMal_Detector
Create hunting rule
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
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
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:Formbook
Create hunting rule
Author:kevoreilly
Description:Formbook Payload
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_detect_tls_callbacks
Create hunting rule
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)

File information

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

Malspam

Formbook

Executable exe b51ddf9600f7c0fc2a33a333fd7aac65eb2b3cd066a8153fd61a3b212c068ca7

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/26967/

Comments