MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cdb4f964fdb6348bd4e59b47cbd43a15bb41acac2098e41dc397f055147713c8. 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: 17


Intelligence 17 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cdb4f964fdb6348bd4e59b47cbd43a15bb41acac2098e41dc397f055147713c8
SHA3-384 hash: 7b654df2edd73d0af06816eec5ce31e530b9ea2f679c45d0a3d75054fed93e12bd773795386e186554d86df8afe30729
SHA1 hash: 450d1d446b49219a4d642580dcdb36b92c14b14b
MD5 hash: 0e2ff29318190fd59fa5cbcfb0a5c7d9
humanhash: bacon-texas-robin-floor
File name:MV_SPIRIT_VESSEL_PARTICULARS BALTIC QUESTIONAIARES.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'030'656 bytes
First seen:2026-05-19 14:41:58 UTC
Last seen:2026-05-25 06:38:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'003 x AgentTesla, 19'911 x Formbook, 12'332 x SnakeKeylogger)
ssdeep 12288:V2l9QULtqEuL3wGhCKtir+p1tCJ+OjPzQB1QDpKwF+sHiIn+OtaO54zh0+zRhSqy:sQ7woXNnxuPzQoDpK0HaO62WVC4sp
TLSH T1AD25125C664AD207CA8047395F31F7F8129E5DEDA410EA136FDDBEDBB8B3A090D14262
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 :
3
# of downloads :
158
Origin country :
CH CH
Vendor Threat Intelligence
Malware configuration found for:
RoboSki
Details
Link:
https://research.acce.ciphertechsolutions.com/results/d7f5b33f-baf7-47bf-b8db-a2e93c135ce4/
Malware family:
n/a
ID:
1
File name:
exe
Verdict:
No threats detected
Analysis date:
2026-05-19 14:42:57 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/195fcf4d-40b5-47f8-9312-51042496bcf6

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/66445/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Siggen5.33432.9493.27929.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a0c76d34f2b29ce040152dc
Tags:
virus micro msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6a0c76cbefbd399b39bb5c68/reports/a3470e0a-5f4e-4435-ac8f-3bffcf27f221/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/cdb4f964fdb6348bd4e59b47cbd43a15bb41acac2098e41dc397f055147713c8
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-05-14T03:49:00Z UTC
Last seen:
2026-05-21T06:19:00Z UTC
Hits:
~1000
Detections:
HEUR:Trojan-PSW.MSIL.Agensla.gen Trojan-Spy.Noon.HTTP.ServerRequest PDM:Trojan.Win32.Generic Backdoor.Agent.HTTP.C&C Trojan.MSIL.Inject.sb Trojan.MSIL.Crypt.sb Trojan-Spy.Win32.Noon.sb
Link:
https://opentip.kaspersky.com/cdb4f964fdb6348bd4e59b47cbd43a15bb41acac2098e41dc397f055147713c8/results?tab=lookup
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b5cb0113-c538-4d10-9d3f-33482913a39c
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1915736
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
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
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)
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: 1915736 Sample: MV_SPIRIT_VESSEL_PARTICULAR... Startdate: 19/05/2026 Architecture: WINDOWS Score: 100 34 www.taghmx.com.mx 2->34 36 www.realethicsblog.com 2->36 38 8 other IPs or domains 2->38 46 Suricata IDS alerts for network traffic 2->46 48 Antivirus detection for URL or domain 2->48 50 Antivirus / Scanner detection for submitted sample 2->50 52 7 other signatures 2->52 11 MV_SPIRIT_VESSEL_PARTICULARS BALTIC QUESTIONAIARES.exe 3 2->11         started        signatures3 process4 file5 32 MV_SPIRIT_VESSEL_P...STIONAIARES.exe.log, ASCII 11->32 dropped 62 Injects a PE file into a foreign processes 11->62 15 MV_SPIRIT_VESSEL_PARTICULARS BALTIC QUESTIONAIARES.exe 11->15         started        signatures6 process7 signatures8 64 Maps a DLL or memory area into another process 15->64 18 QtEdqgdUR.exe 15->18 injected process9 process10 20 takeown.exe 13 18->20         started        signatures11 54 Tries to steal Mail credentials (via file / registry access) 20->54 56 Tries to harvest and steal browser information (history, passwords, etc) 20->56 58 Modifies the context of a thread in another process (thread injection) 20->58 60 4 other signatures 20->60 23 RuL6CSg1Zhz.exe 20->23 injected 26 chrome.exe 20->26         started        28 firefox.exe 20->28         started        process12 dnsIp13 40 www.taghmx.com.mx 69.6.201.124, 49718, 49719, 49720 UNIFIEDLAYER-AS-1US United States 23->40 42 www.fitmin.fun 185.104.45.67, 49694, 80 UKRAINE-ASUA Ukraine 23->42 44 5 other IPs or domains 23->44 30 WerFault.exe 4 26->30         started        process14
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/cdb4f964fdb6348bd4e59b47cbd43a15bb41acac2098e41dc397f055147713c8
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cdb4f964fdb6348bd4e59b47cbd43a15bb41acac2098e41dc397f055147713c8/
Verdict:
Malicious
Threat:
Trojan-Spy.MSIL.Noon
Link:
https://tip.neiki.dev/file/cdb4f964fdb6348bd4e59b47cbd43a15bb41acac2098e41dc397f055147713c8
Threat name:
ByteCode-MSIL.Trojan.Heracles
Create hunting rule
Status:
Malicious
First seen:
2026-05-14 06:59:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
27 of 36 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zw2pszh5wy2ixvhftnd4xvb2cw5udlfmecmoihods7yfkfdxcpea._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
xworm
Create hunting rule
wannacryptor
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/260519-r2z4fsfs9w/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Family: Formbook
Formbook payload
Unpacked files
SH256 hash:
cdb4f964fdb6348bd4e59b47cbd43a15bb41acac2098e41dc397f055147713c8
MD5 hash:
0e2ff29318190fd59fa5cbcfb0a5c7d9
SHA1 hash:
450d1d446b49219a4d642580dcdb36b92c14b14b
Link:
https://www.unpac.me/results/ff1e4d37-8bf6-48d3-b413-4c17948e6eb5/
SH256 hash:
6306d9a832a985ef4981970d01a9cc3e19daf778198b3c55e86a6d94f4c9c16d
MD5 hash:
62e9a74cb1cc63a0205e4a23734c3e24
SHA1 hash:
5b8a51642c3110630d0158248efb7f5b354695b5
Link:
https://www.unpac.me/results/ff1e4d37-8bf6-48d3-b413-4c17948e6eb5/
SH256 hash:
1b7bc097c92735446793117427eb63e581aa3ea6982a75ec872cd27fbe2e9b5e
MD5 hash:
d3149fbfe65d3da08baca186a70bbcc7
SHA1 hash:
63a1460c9356fbda25d63119693c43d69637796f
Link:
https://www.unpac.me/results/ff1e4d37-8bf6-48d3-b413-4c17948e6eb5/
SH256 hash:
0a253f3af7fcaad33aa86f8d8ed4216517899bc9d584b8248a49d17fafb9d9df
MD5 hash:
5df98574c4b6883b80d7278249e93963
SHA1 hash:
701e971d378a0ce25d12f1a529ef0716dcaf3ded
Link:
https://www.unpac.me/results/ff1e4d37-8bf6-48d3-b413-4c17948e6eb5/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.87
Link:
https://yomi.yoroi.company/submissions/cdb4f964fdb6348bd4e59b47cbd43a15bb41acac2098e41dc397f055147713c8

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: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:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

Formbook

Executable exe cdb4f964fdb6348bd4e59b47cbd43a15bb41acac2098e41dc397f055147713c8

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/66445/

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