MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 03db270f22ccf186bcdb62454ab32ad0004bc382e03c5d742f2af5dd63fcdf88. 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 24 File information Comments
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SHA256 hash: 03db270f22ccf186bcdb62454ab32ad0004bc382e03c5d742f2af5dd63fcdf88
SHA3-384 hash: 0a4766dde48c6d77df8e9010ab5279a3ea212e17d20a148c5fbea3213900c221711d2bf760ccbf3ce66480eb1cc9d9d3
SHA1 hash: 864a93ddc271508a13b5648bd1b96ef9e7dd2caa
MD5 hash: fbba270b5b39e50ac49416169ee563b3
humanhash: jersey-fifteen-zulu-uncle
File name:RFQ NO 1241010326_pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'016'832 bytes
First seen:2026-05-19 19:09:38 UTC
Last seen:2026-06-08 09:43:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'116 x AgentTesla, 20'118 x Formbook, 12'357 x SnakeKeylogger)
ssdeep 24576:B04vhWZcDcyVMuHhLHIHInFg7fLhPtC+KqN0gmYqe8:B0Mhs0cmDBLHIo4i+ZNOh
TLSH T1A82512685A45E043CA850F791FB1F6B9236C1EEC6500E227DFED7FDBB867A251C04291
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 :
2
# of downloads :
193
Origin country :
CH CH
Vendor Threat Intelligence
Malware configuration found for:
RoboSki
Details
Link:
https://research.acce.ciphertechsolutions.com/results/427bb2e4-8e44-4294-a961-db0316d546bb/
Malware family:
formbook
Create hunting rule
ID:
1
File name:
exe
Verdict:
Malicious activity
Analysis date:
2026-05-19 19:10:09 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/25a48aa2-367e-498f-bef0-d3b82ca1e365

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/66475/
Detection(s):
SecuriteInfo.com.Trojan.Inject6.51910.18628.6211.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a0cb5b74f2b29ce04016d5e
Tags:
underscore virus shell msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/6a0cb5b2efbd399b39bc1270/reports/693b3155-8b31-4e07-a561-0b6884f987b6/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/03db270f22ccf186bcdb62454ab32ad0004bc382e03c5d742f2af5dd63fcdf88
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-05-14T05:13:00Z UTC
Last seen:
2026-05-21T06:19:00Z UTC
Hits:
~1000
Detections:
Trojan.MSIL.Crypt.sb Trojan-Spy.Win32.Noon.sb HEUR:Trojan-PSW.MSIL.Agensla.gen VHO:Backdoor.MSIL.Agent.gen Trojan-Spy.Noon.HTTP.ServerRequest PDM:Trojan.Win32.Generic Trojan.Win32.Agent.sb Trojan.MSIL.Inject.sb
Link:
https://opentip.kaspersky.com/03db270f22ccf186bcdb62454ab32ad0004bc382e03c5d742f2af5dd63fcdf88/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/a9de5fb9-befd-4944-a197-229af39b5377
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1915937
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Initial sample is a PE file and has a suspicious name
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
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: 1915937 Sample: RFQ NO 1241010326_pdf.exe Startdate: 19/05/2026 Architecture: WINDOWS Score: 100 38 www.babsy.xyz 2->38 40 www.56781924.xyz 2->40 42 20 other IPs or domains 2->42 50 Suricata IDS alerts for network traffic 2->50 52 Antivirus detection for URL or domain 2->52 54 Antivirus / Scanner detection for submitted sample 2->54 58 12 other signatures 2->58 11 RFQ NO 1241010326_pdf.exe 4 2->11         started        signatures3 56 Performs DNS queries to domains with low reputation 40->56 process4 file5 36 C:\Users\...\RFQ NO 1241010326_pdf.exe.log, ASCII 11->36 dropped 68 Adds a directory exclusion to Windows Defender 11->68 15 RFQ NO 1241010326_pdf.exe 11->15         started        18 powershell.exe 23 11->18         started        signatures6 process7 signatures8 70 Maps a DLL or memory area into another process 15->70 20 l3src2Tvb.exe 15->20 injected 72 Loading BitLocker PowerShell Module 18->72 22 conhost.exe 18->22         started        process9 process10 24 notepad.exe 13 20->24         started        signatures11 60 Tries to steal Mail credentials (via file / registry access) 24->60 62 Tries to harvest and steal browser information (history, passwords, etc) 24->62 64 Modifies the context of a thread in another process (thread injection) 24->64 66 4 other signatures 24->66 27 TgERPAuT2U.exe 24->27 injected 30 chrome.exe 24->30         started        32 firefox.exe 24->32         started        process12 dnsIp13 44 rentamediabuyer.com 15.197.225.128, 49737, 49738, 49739 TANDEMUS United States 27->44 46 www.miacueros.com 213.32.37.233, 49785, 49786, 49787 OVHFR France 27->46 48 13 other IPs or domains 27->48 34 WerFault.exe 4 30->34         started        process14
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/03db270f22ccf186bcdb62454ab32ad0004bc382e03c5d742f2af5dd63fcdf88
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/03db270f22ccf186bcdb62454ab32ad0004bc382e03c5d742f2af5dd63fcdf88/
Verdict:
Malicious
Threat:
Trojan-Spy.MSIL.Inject
Link:
https://tip.neiki.dev/file/03db270f22ccf186bcdb62454ab32ad0004bc382e03c5d742f2af5dd63fcdf88
Threat name:
Win32.Trojan.Masslogger
Create hunting rule
Status:
Malicious
First seen:
2026-05-14 09:48:02 UTC
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=apnsodzcztyynpg3mjcuvmzk2aaexq4c4a6f25bpfl252y7436ea._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
xworm
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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-xt892sbv4t/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Family: Formbook
Formbook payload
Unpacked files
SH256 hash:
03db270f22ccf186bcdb62454ab32ad0004bc382e03c5d742f2af5dd63fcdf88
MD5 hash:
fbba270b5b39e50ac49416169ee563b3
SHA1 hash:
864a93ddc271508a13b5648bd1b96ef9e7dd2caa
Link:
https://www.unpac.me/results/b27b8c3b-eb1e-4d8b-9ca7-39f70b43a675/
SH256 hash:
17d85315314c618fcff0aede402e6a7a38a5421aebd2b07937bebd126db9fb57
MD5 hash:
7a482defa9f266c8c0171e37943aa5cc
SHA1 hash:
2e8ae86891a921af451ee426ae78155ffb99fd63
Link:
https://www.unpac.me/results/b27b8c3b-eb1e-4d8b-9ca7-39f70b43a675/
SH256 hash:
363ee51fc02f20cb206039434758c3afa1c71bc7d316c6db4a39b0d310ab92f9
MD5 hash:
afe085b7324d72673eef749ff5f21a49
SHA1 hash:
a86f1039a8877804b1b2c99aed91312846cd40e5
Link:
https://www.unpac.me/results/b27b8c3b-eb1e-4d8b-9ca7-39f70b43a675/
SH256 hash:
522b44ac02f19e54eb9e84faf8d7a23580b0f184df0c195509874d48d3935862
MD5 hash:
39ce4fdf123d2ace0208e6d749db6ba5
SHA1 hash:
c3edd643d423f493b8e78c6a14252b258b4db182
Link:
https://www.unpac.me/results/b27b8c3b-eb1e-4d8b-9ca7-39f70b43a675/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/03db270f22cc/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/03db270f22ccf186bcdb62454ab32ad0004bc382e03c5d742f2af5dd63fcdf88

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: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 03db270f22ccf186bcdb62454ab32ad0004bc382e03c5d742f2af5dd63fcdf88

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/66475/

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