MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 11281b9f1d4f0e9042a00ec35f919bca3e86ad1954ee7f5ea29eb218d02f022b. 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: 16


Intelligence 16 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 11281b9f1d4f0e9042a00ec35f919bca3e86ad1954ee7f5ea29eb218d02f022b
SHA3-384 hash: b850025bcd8c9118cc352ccff74566956302e79cfe3a3c739f1b5523dba938060f1bbb0f4892d20924e7416867bbdab3
SHA1 hash: 62eb15871f41e5fd91782269db060953b270b254
MD5 hash: 16be45c30db762fb83740f38822f13d8
humanhash: kilo-pizza-nebraska-equal
File name:NEW MBL draft.PDF.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'252'864 bytes
First seen:2025-09-15 06:52:53 UTC
Last seen:2025-10-10 06:36:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 1895460fffad9475fda0c84755ecfee1 (309 x Formbook, 53 x AgentTesla, 36 x SnakeKeylogger)
ssdeep 24576:p5EmXFtKaL4/oFe5T9yyXYfP1ijXdaSLiNRG3DH3yCMrV9:pPVt/LZeJbInQRaSLiNkz3yxr
TLSH T10F45CF027391C066FFAB92334F56F6115BBC79260123AA2F13981DB9BD701B1563E7A3
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 cocaman
Tags:exe FormBook payment

Intelligence

File Origin
# of uploads :
3
# of downloads :
113
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
NEW MBL draft.PDF.7z
Verdict:
No threats detected
Analysis date:
2025-09-15 06:53:56 UTC
Tags:
arch-exec
Link:
https://app.any.run/tasks/8108d11c-e6ee-4600-bd91-898d1cee0858

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/27457/
Verdict:
Malicious
Score:
91.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68c7b7f3d49ea3f1e4b5d258
Tags:
autoit emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Launching a process
Сreating synchronization primitives
Unauthorized injection to a system process
Verdict:
Malicious
Labled as:
Trojan.BAT.Agent.gen
Link:
https://www.hybrid-analysis.com/sample/11281b9f1d4f0e9042a00ec35f919bca3e86ad1954ee7f5ea29eb218d02f022b
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-15T02:16:00Z UTC
Last seen:
2025-09-15T02:16:00Z UTC
Hits:
~100
Detections:
PDM:Trojan.Win32.Generic Trojan-Spy.Win32.Noon.sb Trojan.Win32.Strab.sb Trojan.Win32.Inject.sb HEUR:Trojan.Script.AUO.gen
Link:
https://opentip.kaspersky.com/11281b9f1d4f0e9042a00ec35f919bca3e86ad1954ee7f5ea29eb218d02f022b/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2ba1c091-b109-4c1b-8bba-2354e2a5dd0a
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1777530
Signature
Binary is likely a compiled AutoIt script file
Initial sample is a PE file and has a suspicious name
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)
Sigma detected: Suspicious Double Extension File Execution
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)
Uses an obfuscated file name to hide its real file extension (double extension)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1777530 Sample: NEW MBL  draft.PDF.exe Startdate: 15/09/2025 Architecture: WINDOWS Score: 100 31 www.openpayday.xyz 2->31 33 www.anecdote.coach 2->33 35 2 other IPs or domains 2->35 43 Suricata IDS alerts for network traffic 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 Yara detected FormBook 2->47 51 5 other signatures 2->51 11 NEW MBL  draft.PDF.exe 4 2->11         started        signatures3 49 Performs DNS queries to domains with low reputation 31->49 process4 signatures5 61 Binary is likely a compiled AutoIt script file 11->61 63 Writes to foreign memory regions 11->63 65 Maps a DLL or memory area into another process 11->65 14 svchost.exe 11->14         started        process6 signatures7 67 Maps a DLL or memory area into another process 14->67 17 jSCYUgVSIF.exe 14->17 injected process8 process9 19 systray.exe 13 17->19         started        signatures10 53 Tries to steal Mail credentials (via file / registry access) 19->53 55 Tries to harvest and steal browser information (history, passwords, etc) 19->55 57 Modifies the context of a thread in another process (thread injection) 19->57 59 3 other signatures 19->59 22 TjMoidjwsQ8lW.exe 19->22 injected 25 chrome.exe 19->25         started        27 firefox.exe 19->27         started        process11 dnsIp12 37 www.anecdote.coach 15.197.172.60, 49693, 80 TANDEMUS United States 22->37 39 www.openpayday.xyz 166.117.110.61, 49694, 49695, 49696 NSWPOLSERV-AS-APNewSouthWalesPoliceAU United States 22->39 41 3300bei2.cdn.91ddos.com 149.104.35.113, 49698, 49699, 80 COGENT-174US United States 22->41 29 WerFault.exe 4 25->29         started        process13
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/11281b9f1d4f0e9042a00ec35f919bca3e86ad1954ee7f5ea29eb218d02f022b
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/11281b9f1d4f0e9042a00ec35f919bca3e86ad1954ee7f5ea29eb218d02f022b/
Verdict:
Malicious
Threat:
Family.FORMBOOK
Link:
https://tip.neiki.dev/file/11281b9f1d4f0e9042a00ec35f919bca3e86ad1954ee7f5ea29eb218d02f022b
Threat name:
Win32.Trojan.AutoitInject
Create hunting rule
Status:
Malicious
First seen:
2025-09-15 05:12:14 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
30 of 38 (78.95%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ceubxhy5j4hjaqvab3bv7em3zi7inlizktxh6xvct2zbrubpaivq._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/250915-hnxxhaer5s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
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/53252024-8d00-471b-b783-a32f69496bf4
Unpacked files
SH256 hash:
11281b9f1d4f0e9042a00ec35f919bca3e86ad1954ee7f5ea29eb218d02f022b
MD5 hash:
16be45c30db762fb83740f38822f13d8
SHA1 hash:
62eb15871f41e5fd91782269db060953b270b254
Link:
https://www.unpac.me/results/1038af14-08a4-449c-b947-498637473481/
SH256 hash:
57225c31248a4d7dbb90d08161bb53fe02c9b5029ad2e146f5499cee05752238
MD5 hash:
3cbd723aa454dd583d7831680aada753
SHA1 hash:
a8b4ca243955b9f28c3e135e0d44a838fa33bc4a
Link:
https://www.unpac.me/results/1038af14-08a4-449c-b947-498637473481/
SH256 hash:
f72a16478d9d85103103d1200a967b41129d0ccf72270b3164dce48ae0361d6e
MD5 hash:
171e56929849f011d764394b2c8bc923
SHA1 hash:
95900f840026e21a3db20ad95ec90161b6fa1983
Link:
https://www.unpac.me/results/1038af14-08a4-449c-b947-498637473481/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/11281b9f1d4f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/11281b9f1d4f0e9042a00ec35f919bca3e86ad1954ee7f5ea29eb218d02f022b

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:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
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: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)
Rule name:TH_Generic_MassHunt_Win_Malware_2025_CYFARE
Create hunting rule
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

7z 86f830db01d7cec2671cbf902e9515f8cdd41955cfedd352d8daf96ad085dcdf

Formbook

Executable exe 11281b9f1d4f0e9042a00ec35f919bca3e86ad1954ee7f5ea29eb218d02f022b

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 86f830db01d7cec2671cbf902e9515f8cdd41955cfedd352d8daf96ad085dcdf
  
Dropped by
SHA256 c15f8f79bf8029e04f8edede3ebfe1b24d36e8bacf9092663446af5822129838
Cape
Cape
https://www.capesandbox.com/analysis/27457/
  
Dropped by
MD5 835c1f637b423e9c531d931f5d2122bc
  
Dropped by
MD5 39f91c0cd14dcd3e478b1b16ed96b015

Comments