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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 10333cfe3b8de037f163d4e80af8e1f18cd5ca7af555dbc9c1da5409925a079d. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 10333cfe3b8de037f163d4e80af8e1f18cd5ca7af555dbc9c1da5409925a079d
SHA3-384 hash: 3f57198e2df541e87d8da7e67b51ebbe0b21fcc64026fa693c65ff63b80fa8c69d33032862c52010d2d41fb495e6586f
SHA1 hash: 572b625b6f48b64ec15e038500c1d196f387e808
MD5 hash: ad6a7fe9c9d21c0f6d68b3d44f966150
humanhash: magnesium-four-hawaii-berlin
File name:QUOTATION_2543_REQUEST_FORM.com
Download: download sample
Signature Formbook
Create hunting rule
File size:885'760 bytes
First seen:2026-10-06 04:28:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/vnd.microsoft.portable-executable
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'249 x AgentTesla, 20'535 x Formbook, 12'383 x SnakeKeylogger)
ssdeep 12288:9Aoa3fikONrtry2VNX/tK4hSq8/W1fz795m8yDllVqlbc7n4P0:6HvifFy2Vp84GW1vS/VqJK
TLSH T1BE158B04215BCA23C25526B0C9B2D2F90374DE54D932C36B5AEA7DBB7F35FF1A5402A2
TrID 73.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
6.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.6% (.EXE) Win64 Executable (generic) (6522/11/2)
4.5% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter threatcat_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
204
Origin country :
CH CH
Vendor Threat Intelligence
Malware configuration found for:
NETReactor RoboSki
Details
Link:
https://research.acce.ciphertechsolutions.com/results/2a11dc65-cdc1-4313-bca1-85063442eb4d/
Malware family:
n/a
ID:
1
File name:
exe
Verdict:
No threats detected
Analysis date:
2026-10-06 04:31:52 UTC
Tags:
netreactor
Link:
https://app.any.run/tasks/52a96e13-d8e7-4991-bf50-b1dfc3e262fb

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/90809/
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.76759556.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade net_reactor obfuscated packed packed
Link:
https://www.filescan.io/uploads/6ac4791c6c668633ab36f42e/reports/b5309a46-f21a-4808-94e5-d804043fb854/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/10333cfe3b8de037f163d4e80af8e1f18cd5ca7af555dbc9c1da5409925a079d
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-10-06T01:00:00Z UTC
Last seen:
2026-10-08T01:59:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/10333cfe3b8de037f163d4e80af8e1f18cd5ca7af555dbc9c1da5409925a079d/results?tab=lookup
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c3fc9762-1dfd-4365-8ffe-8231ac2e838d
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1982731
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Adds a directory exclusion to Windows Defender
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Yara detected AntiVM3
Yara detected FormBook
Yara detected MSIL Injector
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1982731 Sample: QUOTATION_2543_REQUEST_FORM... Startdate: 06/10/2026 Architecture: WINDOWS Score: 96 23 Multi AV Scanner detection for submitted file 2->23 25 Yara detected MSIL Injector 2->25 27 Yara detected FormBook 2->27 29 5 other signatures 2->29 7 QUOTATION_2543_REQUEST_FORM.com.exe 4 2->7         started        process3 file4 21 QUOTATION_2543_REQUEST_FORM.com.exe.log, ASCII 7->21 dropped 31 Adds a directory exclusion to Windows Defender 7->31 33 Injects a PE file into a foreign processes 7->33 11 powershell.exe 23 7->11         started        13 QUOTATION_2543_REQUEST_FORM.com.exe 7->13         started        signatures5 process6 process7 15 WmiPrvSE.exe 11->15         started        17 conhost.exe 11->17         started        19 WerFault.exe 21 16 13->19         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/10333cfe3b8de037f163d4e80af8e1f18cd5ca7af555dbc9c1da5409925a079d
Verdict:
Malware
YARA:
12 match(es)
Tags:
.Net .Net Obfuscator .Net Reactor Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.62 Win 32 Exe x86
Link:
https://app.malva.re/file/ad6a7fe9c9d21c0f6d68b3d44f966150
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/10333cfe3b8de037f163d4e80af8e1f18cd5ca7af555dbc9c1da5409925a079d/
Threat name:
ByteCode-MSIL.Trojan.PureLogStealer
Create hunting rule
Status:
Malicious
First seen:
2026-10-06 04:13:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=caztz7r3rxqdp4ld2tuav6hb6ggnlst26vk5xsob3jkates2a6oq._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/261006-e4bses1v3n/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Enumerates connected drives
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Family: Formbook
Formbook payload
Unpacked files
SH256 hash:
10333cfe3b8de037f163d4e80af8e1f18cd5ca7af555dbc9c1da5409925a079d
MD5 hash:
ad6a7fe9c9d21c0f6d68b3d44f966150
SHA1 hash:
572b625b6f48b64ec15e038500c1d196f387e808
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/41d58771-4c38-41aa-9289-fc8fbbafa37e/
SH256 hash:
fba28e8b766406d180ba9825e1bbd0b3b5e89aeec4f5b8199e99f9c3ce1b7712
MD5 hash:
470b24d8c9794764f02b8e44d6785ebd
SHA1 hash:
0a6eb206768539bb1e38f21c70f1d370713d35d6
Link:
https://www.unpac.me/results/41d58771-4c38-41aa-9289-fc8fbbafa37e/
SH256 hash:
783064541c490386ad9fe5b9660b68b09ddf4a203789612ccacc5924e327c0ef
MD5 hash:
479fdf77fa51a32d0b3fb4eefb82e655
SHA1 hash:
265819f52c579b446c5e79daf98911483df1af4e
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/41d58771-4c38-41aa-9289-fc8fbbafa37e/
Parent samples :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 hash:
2fb3b114fae39226e11b418892fd0834ace00ddbc61362bb388e4435fa68b90e
MD5 hash:
2cbd4d6d9fcdbf20661b4aeeeb8f50f8
SHA1 hash:
e56fd8db555406700cbd1400741202b526bdeea0
Link:
https://www.unpac.me/results/41d58771-4c38-41aa-9289-fc8fbbafa37e/
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/10333cfe3b8de037f163d4e80af8e1f18cd5ca7af555dbc9c1da5409925a079d

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:HUNT_NET_Loader_ImagePixel_To_AssemblyLoad
Create hunting rule
Author:Anish Bogati
Description:Hunting: .NET loader that reads pixel data from an embedded image, loads it as a .NET assembly, and runs it via reflection or late binding. Catches bitmap-steganography loaders.
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:WIN_Malware_Derialock_ForgeAuto_3127f957_Extrait
Create hunting rule
Author:Marjoriefort
Description:Detects Derialock (pe, etat extrait)
Rule name:WIN_Sample_Unique_69354b41
Create hunting rule
Author:Marjoriefort
Description:Specimen unique (soumission Bazaar) - strings distinctifs propres au sample
Reference:69354b41e10daf03d3f3af881b32d5c0fec56b1cfe96629fd4c5263413a42854.exe

File information

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

Malspam

Formbook

Executable exe 10333cfe3b8de037f163d4e80af8e1f18cd5ca7af555dbc9c1da5409925a079d

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/90809/

Comments