MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4c43b309ba3f6388617f713f68150812c71bf42bbb6de40399082fca221bc336. 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 18 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4c43b309ba3f6388617f713f68150812c71bf42bbb6de40399082fca221bc336
SHA3-384 hash: b7344b7e1875c7161ee635ad54f41d72018fc063a73332dbc45def880bbd8cd6cdb8b5555b0bed1038f15c98b6e6a9bc
SHA1 hash: 66d65be005f96ec3cd8070fc9f5f4b94d4fba8f4
MD5 hash: 2dd9f27945c296c050f8faf26d2b6db6
humanhash: tennessee-earth-delta-red
File name:NEW CUSTOMER ORDER REQUEST.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:778'240 bytes
First seen:2025-10-22 01:17:46 UTC
Last seen:2025-11-06 11:08:18 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 21371b611d91188d602926b15db6bd48 (70 x Formbook, 33 x AgentTesla, 20 x RemcosRAT)
ssdeep 12288:Tz7hU5I5yuNHIgzSFKxWltRohBfSTso93USkOUvJ+bF3zpBw052cajVUDRp5zNkw:Tf+iN57Gtene3JqAbF3fwoOVUDRp5zNt
Threatray 2'096 similar samples on MalwareBazaar
TLSH T11CF4235399E0EE58C18463708432CC925A783061AD61B32EA33DF5AA7C717D3DBB674E
TrID 39.1% (.EXE) UPX compressed Win32 Executable (27066/9/6)
38.3% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4)
7.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.5% (.EXE) Win32 Executable (generic) (4504/4/1)
2.9% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter threatcat_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
186
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
NEW CUSTOMER ORDER REQUEST.exe
Verdict:
No threats detected
Analysis date:
2025-10-22 01:18:07 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/33a4ae2f-9c80-4a55-8fcc-9a730cfa3a0d

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/33675/
Verdict:
Malicious
Score:
91.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68f830f83edd081eba409084
Tags:
malware
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
Threat level:
  10/10
Confidence:
100%
Tags:
autoit compiled-script formbook masquerade microsoft_visual_cc packed packed packed unsafe upx virus
Link:
https://www.filescan.io/uploads/68f830f23a79800405efbf5f/reports/1d4a610b-030d-42a8-bec7-da1640d06f48/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/4c43b309ba3f6388617f713f68150812c71bf42bbb6de40399082fca221bc336
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-21T21:03:00Z UTC
Last seen:
2025-10-23T17:44:00Z UTC
Hits:
~1000
Detections:
Trojan.Win32.Agent.sb Backdoor.Agent.HTTP.C&C Trojan-Spy.Win32.Noon.sb Trojan.Win32.Strab.sb Trojan-Spy.Win32.Noon.bnes Trojan-Spy.Noon.HTTP.ServerRequest Trojan-PSW.Win32.Stealer.sb Trojan-Dropper.Win32.Dorifel.sbd Trojan.Win32.Zenpak.sb PDM:Trojan.Win32.Generic Trojan.Win32.Inject.sb VHO:Trojan-Spy.Win32.Noon.bnet
Link:
https://opentip.kaspersky.com/4c43b309ba3f6388617f713f68150812c71bf42bbb6de40399082fca221bc336/results?tab=lookup
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/33234ccf-4198-47b9-afd5-92f202ca9a6d
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1799510
Signature
Antivirus detection for URL or domain
Binary is likely a compiled AutoIt script file
Found API chain indicative of sandbox detection
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)
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1799510 Sample: NEW CUSTOMER ORDER REQUEST.exe Startdate: 22/10/2025 Architecture: WINDOWS Score: 100 31 www.vrinfluencer.xyz 2->31 33 www.cyphercvx.xyz 2->33 35 22 other IPs or domains 2->35 43 Suricata IDS alerts for network traffic 2->43 45 Antivirus detection for URL or domain 2->45 47 Multi AV Scanner detection for submitted file 2->47 51 5 other signatures 2->51 11 NEW CUSTOMER ORDER REQUEST.exe 4 2->11         started        signatures3 49 Performs DNS queries to domains with low reputation 33->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 r0jRWCPfCQkiU.exe 14->17 injected process8 process9 19 cscript.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 HcLrXYJ0NSw3.exe 19->22 injected 25 chrome.exe 19->25         started        27 firefox.exe 19->27         started        process11 dnsIp12 37 www.myseria.club 103.224.182.242, 49747, 49748, 49749 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 22->37 39 apotieru.com.ng 192.154.224.49, 49751, 49752, 49753 TIER-NETUS United States 22->39 41 12 other IPs or domains 22->41 29 WerFault.exe 4 25->29         started        process13
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4c43b309ba3f6388617f713f68150812c71bf42bbb6de40399082fca221bc336
Verdict:
Malware
YARA:
5 match(es)
Tags:
AutoIt Decompiled Executable PE (Portable Executable) PE File Layout Suspect Win 32 Exe x86
Link:
https://app.malva.re/file/2dd9f27945c296c050f8faf26d2b6db6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4c43b309ba3f6388617f713f68150812c71bf42bbb6de40399082fca221bc336/
Verdict:
Malicious
Threat:
Family.FORMBOOK
Link:
https://tip.neiki.dev/file/4c43b309ba3f6388617f713f68150812c71bf42bbb6de40399082fca221bc336
Threat name:
Win32.Trojan.AutoitInject
Create hunting rule
Status:
Malicious
First seen:
2025-10-22 00:25:55 UTC
File Type:
PE (Exe)
Extracted files:
52
AV detection:
29 of 36 (80.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jrb3gcn2h5ryqyl7oe7wqfiicldrx5blxnw6ia4zbax4uiq3ym3a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
01d5ee39bc1c92fd89ac108357bbd155e92fb8ca03876846cfa8ce393b8552f1
Formbook
0d4e1383139d3f9c00be8e7a824dacd04eb9d8d6e13e4114c96fd69b883c9ace
Formbook
2dcb2fd846c048795d1a3d059ce923bd53e26373db8bd324ec9f4c213f730be1
Formbook
344a1d112d40622af871c3a370b4706dade1e3d164ea551d3b0e7a8e223d120a
Formbook
37de8162335af4c4a5fb079ce494eb707d751558b5f03b016324d154a03779a7
Formbook
75dfbb18396808592a7b46045f58a499b13169b13c75efa51f5c715d1d3f03e2
Formbook
7adce544b62e952c35eda61e57a188834b85bade02d1112ac2e8cf910bcb5903
Formbook
8faac78f80a1ae49c5c8d4272d7ec9d6aa9676b94a31c634a2786a9a2d802e34
Formbook
c8eb86820e2bb79b01f13912d9dc05afe153c0eb4465aa6ccdcb4bff68b2c343
Formbook
ccdf673390e032a11978be52ef503088dde4018bcf938522f848fee747715153
Formbook
error
Formbook
+ 2'086 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan upx
Link:
https://tria.ge/reports/251022-bpa1ssznbp/
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
AutoIT Executable
Suspicious use of SetThreadContext
UPX packed file
Formbook payload
Formbook
Formbook family
Unpacked files
SH256 hash:
4c43b309ba3f6388617f713f68150812c71bf42bbb6de40399082fca221bc336
MD5 hash:
2dd9f27945c296c050f8faf26d2b6db6
SHA1 hash:
66d65be005f96ec3cd8070fc9f5f4b94d4fba8f4
Link:
https://www.unpac.me/results/36fd34df-41d0-46f8-bd7c-daf5b88ab125/
SH256 hash:
83783306051fc127a420e760da7c607bf34c9081a311d4de893ee29c71e1eef7
MD5 hash:
0bfe37e704526b2eac92dff77d641897
SHA1 hash:
5666616d9f07411c87f98c1638c581b6c55e699c
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/36fd34df-41d0-46f8-bd7c-daf5b88ab125/
SH256 hash:
7bc02e40d267f0806ccbe4ddf692cf7e30e15aea70d7459a62be513ef77c43fa
MD5 hash:
64bb70052b94833bae8c6c2ed8355480
SHA1 hash:
3c5b9df2ff518b5026fa23510781e3d1cd15cd5a
Link:
https://www.unpac.me/results/36fd34df-41d0-46f8-bd7c-daf5b88ab125/
SH256 hash:
10923ea59dd5331d65d4c3c6f3b2affe4fe0a0327df3c318ca00ac14e593f33c
MD5 hash:
b2f4c247b5952aba37ea591d73e90d62
SHA1 hash:
f56579ede6c544ebe589959fc0f9b2476990bb62
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/36fd34df-41d0-46f8-bd7c-daf5b88ab125/
Parent samples :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 family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4c43b309ba3f/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/4c43b309ba3f6388617f713f68150812c71bf42bbb6de40399082fca221bc336

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: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__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_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:TH_Win_ETW_Bypass_2025_CYFARE
Create hunting rule
Author:CYFARE
Description:Windows ETW Bypass Detection Rule - 2025
Reference:https://cyfare.net/
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Create hunting rule
Author:malware-lu
Rule name:upx_largefile
Create hunting rule
Author:k3nr9

File information

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

Malspam

Formbook

Executable exe 4c43b309ba3f6388617f713f68150812c71bf42bbb6de40399082fca221bc336

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/33675/

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