MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 35111880b1bc72eebb20a75cf21d611c6dfc2e3d68f27a7589b69677cec52b7e. 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: 15


Intelligence 15 IOCs YARA 19 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 35111880b1bc72eebb20a75cf21d611c6dfc2e3d68f27a7589b69677cec52b7e
SHA3-384 hash: 6bbc4729e6580d1d8402dc421128470fff0eb6c182abed89c0ea24ac8fd2a813a3a95faf81bb972f8d8b6561ca3c6ca5
SHA1 hash: 5b0e1c81eb5dcf8b26644d95240050f6a282cfe9
MD5 hash: fa80695454c493733214eaf5495e0ba6
humanhash: crazy-west-blossom-magnesium
File name:MT Stolt Endurance_Vessel_NEW-83882100292-PDF.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:838'656 bytes
First seen:2026-02-11 09:37:15 UTC
Last seen:2026-03-06 14:35:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 244ab0ad2291503631a7b67d57f64503 (2 x Formbook)
ssdeep 24576:xXr4nGP59Wb/YVX8HQEFQcndnUk924tV:xXBP54r2MwESSnUkg4X
Threatray 2'688 similar samples on MalwareBazaar
TLSH T1D105AF5DE5E260D1EC2288B30F5E97D18E1B7213A7965C9723B807044B934FB2E6EB17
TrID 44.4% (.EXE) Win64 Executable (generic) (10522/11/4)
21.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
173
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
_35111880b1bc72eebb20a75cf21d611c6dfc2e3d68f27a7589b69677cec52b7e.exe
Verdict:
No threats detected
Analysis date:
2026-02-11 09:39:38 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/94562d05-384f-47ee-bc46-e3fd83cb170f

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/52984/
Detection(s):
SecuriteInfo.com.Win64.MalwareX-gen.76464994.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=698c4e0938c84aca0d32d81d
Tags:
dropper
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching a process
Unauthorized injection to a system process
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/35111880b1bc72eebb20a75cf21d611c6dfc2e3d68f27a7589b69677cec52b7e
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-02-11T05:58:00Z UTC
Last seen:
2026-02-12T13:30:00Z UTC
Hits:
~1000
Detections:
Backdoor.Agent.HTTP.C&C VHO:Trojan.Win32.Inject.gen Trojan-Spy.Win32.Noon.sb Trojan-Spy.Win32.Noon.bprs Trojan-Spy.Noon.HTTP.ServerRequest Trojan-PSW.Win32.Stealer.sb Trojan.Win32.Inject.sb PDM:Trojan.Win32.Generic
Link:
https://opentip.kaspersky.com/35111880b1bc72eebb20a75cf21d611c6dfc2e3d68f27a7589b69677cec52b7e/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/945f7785-697a-4b1f-98e9-39160fea7c9c
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1867297
Signature
Allocates memory in foreign processes
Injects a PE file into a foreign processes
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
Queues an APC in another process (thread injection)
Sets debug register (to hijack the execution of another thread)
Sigma detected: Suspicious Process Parents
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)
Unusual module load detection (module proxying)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1867297 Sample: MT Stolt Endurance_Vessel_N... Startdate: 11/02/2026 Architecture: WINDOWS Score: 100 33 www.rym-abid.com 2->33 35 ghs.googlehosted.com 2->35 39 Suricata IDS alerts for network traffic 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 Yara detected FormBook 2->43 45 2 other signatures 2->45 11 MT Stolt Endurance_Vessel_NEW-83882100292-PDF.exe 2->11         started        signatures3 process4 signatures5 55 Sets debug register (to hijack the execution of another thread) 11->55 57 Writes to foreign memory regions 11->57 59 Allocates memory in foreign processes 11->59 61 2 other signatures 11->61 14 ngen.exe 11->14         started        process6 signatures7 63 Maps a DLL or memory area into another process 14->63 65 Unusual module load detection (module proxying) 14->65 17 Du5HDxDTqH.exe 14->17 injected process8 process9 19 calc.exe 13 17->19         started        signatures10 47 Tries to steal Mail credentials (via file / registry access) 19->47 49 Tries to harvest and steal browser information (history, passwords, etc) 19->49 51 Modifies the context of a thread in another process (thread injection) 19->51 53 4 other signatures 19->53 22 wsuM9IemQdPAIr.exe 19->22 injected 25 chrome.exe 19->25         started        27 WerFault.exe 4 19->27         started        29 firefox.exe 19->29         started        process11 dnsIp12 37 ghs.googlehosted.com 192.178.164.121, 49697, 80 GOOGLEUS United States 22->37 31 WerFault.exe 4 25->31         started        process13
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/35111880b1bc72eebb20a75cf21d611c6dfc2e3d68f27a7589b69677cec52b7e
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/fa80695454c493733214eaf5495e0ba6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/35111880b1bc72eebb20a75cf21d611c6dfc2e3d68f27a7589b69677cec52b7e/
Verdict:
Malicious
Threat:
Family.FORMBOOK
Link:
https://tip.neiki.dev/file/35111880b1bc72eebb20a75cf21d611c6dfc2e3d68f27a7589b69677cec52b7e
Threat name:
Win64.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2026-02-11 09:10:54 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=guirrafrxrzo5ozau5opehlbdrw7ylr5ndzhu5mjw2lhptwffn7a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1e149f42536045407a56ad43e530c89ef2d9ec052c45d94af5578bc6a9399ecf
Formbook
1f58eaedefb85d620985c5fc267c05ffa7c4877cbff67763da7ebe2fe540d220
Formbook
44eb0ca230176e7653e8287dac64b16e4cfde7088635498e52d802d8a3dcb7e9
Formbook
5a721e420c6fc129a198af6fd7458202c574cff68e0b60b4372a8af5767bd2d9
Formbook
5aa4328001eb57a54a716ba3c7f0fa7f6b8c390828ea8b33a3c85dfb2838a512
Formbook
9c25f0e398787875c5d4513495b884b4392df171d8ae8eecc8e32c762f81c63b
Formbook
e5736df87221b67a2e2a614374e1d6353043b95e08448ea9260e103ab18a5c8d
Formbook
eb4f9a361af2fec77bcdea8b68e5aaf3d8e0ebbac245623975e99cf2a73861b3
Formbook
error
Formbook
f0827019d570ad314a99dd69590b0c83639c60b1dcac77d708cd6d4959383757
Formbook
f424bb11bb0e71134361f14d3d698933095f8d464d710eb12c131652bbda5164
Formbook
+ 2'678 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/260211-ll52waev5h/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Unpacked files
SH256 hash:
35111880b1bc72eebb20a75cf21d611c6dfc2e3d68f27a7589b69677cec52b7e
MD5 hash:
fa80695454c493733214eaf5495e0ba6
SHA1 hash:
5b0e1c81eb5dcf8b26644d95240050f6a282cfe9
Link:
https://www.unpac.me/results/c7cd7a4b-e6ac-4c30-bd3c-2104d79e5041/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/35111880b1bc/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/35111880b1bc72eebb20a75cf21d611c6dfc2e3d68f27a7589b69677cec52b7e

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
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:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
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:TH_Win_ETW_Bypass_2025_CYFARE
Create hunting rule
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.

Malspam

Formbook

Executable exe 35111880b1bc72eebb20a75cf21d611c6dfc2e3d68f27a7589b69677cec52b7e

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/52984/

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