MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8885f3e922ef08f8d1c4a0f45712de6b080a92b364ce9164ff31759cd531ead8. 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: 18


Intelligence 18 IOCs YARA 25 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8885f3e922ef08f8d1c4a0f45712de6b080a92b364ce9164ff31759cd531ead8
SHA3-384 hash: da5866c080445741d7737f996f07a61aab0680f4b3ee039809014f4c18d4140f1ac0ca07157d67de0b66d8938d72a71b
SHA1 hash: 53de5d7a0690b6dd316aea65838c4ff42b62d195
MD5 hash: 975b010e684b3b9a0e93b61687d4e049
humanhash: colorado-pluto-london-washington
File name:New Company Registration form &    PO'FB2150204_pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'000'448 bytes
First seen:2026-05-19 06:25:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'066 x AgentTesla, 20'012 x Formbook, 12'352 x SnakeKeylogger)
ssdeep 24576:wCA2OvsWCquoFaudth1bvS+pUcTsiS9STzIrIf:EsWMZudt3vlklSIrI
TLSH T1AB2523796758E687CD360BBA09A0E23503B11D59E921D3DBCFEDBCEB341A36264045D3
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 lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
129
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
RoboSki
Details
Link:
https://research.acce.ciphertechsolutions.com/results/168a83fb-c37b-4709-8498-b1892d763839/
Malware family:
n/a
ID:
1
File name:
_8885f3e922ef08f8d1c4a0f45712de6b080a92b364ce9164ff31759cd531ead8.exe
Verdict:
Malicious activity
Analysis date:
2026-05-19 06:28:16 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/69907991-8559-4cc1-b884-bb22543b1488

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/66389/
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a0c026a062bae3f97344977
Tags:
underscore extens shell micro
Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade obfuscated packed vbnet
Link:
https://www.filescan.io/uploads/6a0c0265efbd399b39b96699/reports/51e31c62-b3c0-4fb3-80ca-659ccc56104b/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/8885f3e922ef08f8d1c4a0f45712de6b080a92b364ce9164ff31759cd531ead8
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-05-18T05:57:00Z UTC
Last seen:
2026-05-21T04:09:00Z UTC
Hits:
~1000
Detections:
Trojan-Spy.Win32.Noon.sb Trojan-Spy.Noon.HTTP.ServerRequest PDM:Trojan.Win32.Generic HEUR:Trojan.MSIL.Scarsi.gen Backdoor.Agent.HTTP.C&C Trojan.Win32.Agent.sb
Link:
https://opentip.kaspersky.com/8885f3e922ef08f8d1c4a0f45712de6b080a92b364ce9164ff31759cd531ead8/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/cee3cf26-ec60-423a-b475-eaaf97351e60
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1915423
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
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
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
Queries Google from non browser process on port 80
Queues an APC in another process (thread injection)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
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)
Yara detected AntiVM3
Yara detected FormBook
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1915423 Sample: New Company Registration fo... Startdate: 19/05/2026 Architecture: WINDOWS Score: 100 36 www.babsy.xyz 2->36 38 www.56781924.xyz 2->38 40 20 other IPs or domains 2->40 52 Suricata IDS alerts for network traffic 2->52 54 Antivirus detection for URL or domain 2->54 56 Multi AV Scanner detection for submitted file 2->56 60 10 other signatures 2->60 10 New Company Registration form &#U00a0#U00a0#U00a0 PO'FB2150204_pdf.exe 4 2->10         started        14 svchost.exe 1 1 2->14         started        signatures3 58 Performs DNS queries to domains with low reputation 38->58 process4 dnsIp5 34 New Company Regist...2150204_pdf.exe.log, ASCII 10->34 dropped 70 Adds a directory exclusion to Windows Defender 10->70 72 Injects a PE file into a foreign processes 10->72 17 New Company Registration form &#U00a0#U00a0#U00a0 PO'FB2150204_pdf.exe 10->17         started        20 powershell.exe 7 10->20         started        48 127.0.0.1 unknown unknown 14->48 file6 signatures7 process8 signatures9 50 Maps a DLL or memory area into another process 17->50 22 baldjSO8YS.exe 17->22 injected 24 conhost.exe 20->24         started        process10 process11 26 notepad.exe 13 22->26         started        signatures12 62 Tries to steal Mail credentials (via file / registry access) 26->62 64 Tries to harvest and steal browser information (history, passwords, etc) 26->64 66 Modifies the context of a thread in another process (thread injection) 26->66 68 4 other signatures 26->68 29 FEErRNQG1.exe 26->29 injected 32 firefox.exe 26->32         started        process13 dnsIp14 42 rentamediabuyer.com 15.197.225.128, 49719, 49720, 49721 TANDEMUS United States 29->42 44 www.miacueros.com 213.32.37.233, 49767, 49768, 49769 OVHFR France 29->44 46 13 other IPs or domains 29->46
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8885f3e922ef08f8d1c4a0f45712de6b080a92b364ce9164ff31759cd531ead8
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8885f3e922ef08f8d1c4a0f45712de6b080a92b364ce9164ff31759cd531ead8/
Verdict:
Malicious
Threat:
Trojan-Spy.Win32.Noon
Link:
https://tip.neiki.dev/file/8885f3e922ef08f8d1c4a0f45712de6b080a92b364ce9164ff31759cd531ead8
Threat name:
Win32.Trojan.DarkCloud
Create hunting rule
Status:
Malicious
First seen:
2026-05-19 06:26:40 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rcc7h2jc54epruoeud2foew6nmeavevtmthjczh7gf2zzvjr5lma._file
Verdict:
malicious
Label(s):
wannacryptor
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/260519-g6556acw7q/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
SmartAssembly .NET packer
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Family: Formbook
Formbook payload
Unpacked files
SH256 hash:
8885f3e922ef08f8d1c4a0f45712de6b080a92b364ce9164ff31759cd531ead8
MD5 hash:
975b010e684b3b9a0e93b61687d4e049
SHA1 hash:
53de5d7a0690b6dd316aea65838c4ff42b62d195
Link:
https://www.unpac.me/results/7a58b11a-d5e2-45a7-b22f-d551fb37d9b6/
SH256 hash:
a8e9af5d5db01b452944e83f445f25e3d3d04275127f12f8c368053b23c58694
MD5 hash:
a9e32f0739d267f3ba035595a0a1558c
SHA1 hash:
13db8d9b4a34689ef263de6734dc38bb58f7f795
Link:
https://www.unpac.me/results/7a58b11a-d5e2-45a7-b22f-d551fb37d9b6/
SH256 hash:
991473776c521ae915b8a1ce660540ef0efe17cbc8951040e5dc4331eca09cf2
MD5 hash:
90471fe6ae2a55072a586ca37ab94488
SHA1 hash:
c29a87ecf5cfcf7f44b9346669a42f7ab671d11d
Link:
https://www.unpac.me/results/7a58b11a-d5e2-45a7-b22f-d551fb37d9b6/
SH256 hash:
522b44ac02f19e54eb9e84faf8d7a23580b0f184df0c195509874d48d3935862
MD5 hash:
39ce4fdf123d2ace0208e6d749db6ba5
SHA1 hash:
c3edd643d423f493b8e78c6a14252b258b4db182
Link:
https://www.unpac.me/results/7a58b11a-d5e2-45a7-b22f-d551fb37d9b6/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8885f3e922ef/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/8885f3e922ef08f8d1c4a0f45712de6b080a92b364ce9164ff31759cd531ead8

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
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:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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 8885f3e922ef08f8d1c4a0f45712de6b080a92b364ce9164ff31759cd531ead8

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/66389/

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