MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ca6802e0f6081553c75aa92206478ca3ae3150d07e271ef962bb2e140b2f73e6. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ca6802e0f6081553c75aa92206478ca3ae3150d07e271ef962bb2e140b2f73e6
SHA3-384 hash: 7cabafa47ee656be0374274e89d1846d59408884946b6510b914cdf714f1c8b0cbb5dc04c1894b9099503e64e4da86d7
SHA1 hash: 8da25f32d5b479556c551fc5fa427c04d357ba40
MD5 hash: 694fb91407ae5d7884b04a8fb1679f90
humanhash: wisconsin-leopard-october-gee
File name:OzoZnUSylKfLVZU.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:691'712 bytes
First seen:2025-10-09 17:02:08 UTC
Last seen:2025-11-06 10:11:31 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'642 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 12288:eGHZAhsRd3I+kv3bwEIqyxWovt3AkRton1hFegarAWZ3NAmZWxf0v0pa4WEC7R:eGH6sRd0vUEIvxVvNAtsgarAMNAmZWxs
Threatray 1'956 similar samples on MalwareBazaar
TLSH T12CE422152A18DF53D5831FF04AF1D23027B4BE2EAA28DB469ED57CEB752EB10521270B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.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 :
119
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
OzoZnUSylKfLVZU.exe
Verdict:
No threats detected
Analysis date:
2025-10-10 02:57:52 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/7efeb39d-4b4a-4145-826d-3241596b39ef

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/31933/
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68e7eabd8b7b147cc4b64433
Tags:
shell virus msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
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:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/68e7fa41d4a0085473c5d1f3/reports/56e8bcdc-1041-4789-a24f-ede8a0e40673/overview
Verdict:
Malicious
Labled as:
Genie.8DN.Generic
Link:
https://www.hybrid-analysis.com/sample/ca6802e0f6081553c75aa92206478ca3ae3150d07e271ef962bb2e140b2f73e6
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-09T09:16:00Z UTC
Last seen:
2025-10-09T09:50:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/ca6802e0f6081553c75aa92206478ca3ae3150d07e271ef962bb2e140b2f73e6/results?tab=lookup
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/22fff3ef-e19f-4c32-921b-5f79b935721b
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1792301
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Injects a PE file into a foreign processes
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
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)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1792301 Sample: OzoZnUSylKfLVZU.exe Startdate: 09/10/2025 Architecture: WINDOWS Score: 100 40 www.specialultra.xyz 2->40 42 www.lending-swap.xyz 2->42 44 10 other IPs or domains 2->44 52 Suricata IDS alerts for network traffic 2->52 54 Antivirus / Scanner detection for submitted sample 2->54 56 Multi AV Scanner detection for submitted file 2->56 60 6 other signatures 2->60 11 OzoZnUSylKfLVZU.exe 4 2->11         started        signatures3 58 Performs DNS queries to domains with low reputation 42->58 process4 file5 38 C:\Users\user\...\OzoZnUSylKfLVZU.exe.log, ASCII 11->38 dropped 70 Adds a directory exclusion to Windows Defender 11->70 72 Injects a PE file into a foreign processes 11->72 15 OzoZnUSylKfLVZU.exe 11->15         started        18 powershell.exe 23 11->18         started        signatures6 process7 signatures8 74 Maps a DLL or memory area into another process 15->74 20 lwebDR1IALxX.exe 15->20 injected 76 Loading BitLocker PowerShell Module 18->76 22 WmiPrvSE.exe 18->22         started        24 conhost.exe 18->24         started        process9 process10 26 rasdial.exe 13 20->26         started        signatures11 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 3 other signatures 26->68 29 PbGdidfGtvG.exe 26->29 injected 32 chrome.exe 26->32         started        34 firefox.exe 26->34         started        process12 dnsIp13 46 www.panasyuk.info 5.39.10.93, 49705, 49706, 49707 OVHFR France 29->46 48 fspbx.net 194.233.90.87, 49713, 49714, 49715 NEXINTO-DE Germany 29->48 50 6 other IPs or domains 29->50 36 WerFault.exe 4 32->36         started        process14
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ca6802e0f6081553c75aa92206478ca3ae3150d07e271ef962bb2e140b2f73e6
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.38 Win 32 Exe x86
Link:
https://app.malva.re/file/694fb91407ae5d7884b04a8fb1679f90
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ca6802e0f6081553c75aa92206478ca3ae3150d07e271ef962bb2e140b2f73e6/
Threat name:
ByteCode-MSIL.Trojan.XWorm
Create hunting rule
Status:
Malicious
First seen:
2025-10-09 19:48:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zjuafyhwbakvhr22veramr4muoxdcugqpytr56lcxmxbiczpopta._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
formbook
Create hunting rule
Similar samples:
25061638d1c4d00e81b201bf80f02aac3e6c9c508182db5d0c2a442090c75cef
Formbook
3565d0d4f2dffdf569be2801736b63029b67352669c69944b22cf73b3515e4a3
Formbook
3b1fe8fbb2e89bed49f8cfcb3d111e0b0f7a2db9dd9d18dac5d232b610572190
Formbook
41e4dd0218aed625e7883bd3dbe43a95796360bda2e2b7fcf020af9fe5e1f1dc
Formbook
8ec9443551fea606da99679a03c90c5b64e00957b74d1aea6c1b6115f7a24269
Formbook
98d2209697c515d9d6c68b7c8cf5384fe4a75314420de4aab1ce821c81f5603d
Formbook
c69a7800b5482d1e8e984e2e5ad548e057e1e9236e3ba937b167833e9c3302e2
Formbook
dceb92e559ad73d5df1807bb8786ceae9ab3d16176223f3250ad4f9514467220
Formbook
error
Formbook
+ 1'946 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/251009-wg4ncsxvhx/
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
Formbook payload
Formbook
Formbook family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/0ec52455-089a-4f40-986a-40ed27f5e70f
Unpacked files
SH256 hash:
ca6802e0f6081553c75aa92206478ca3ae3150d07e271ef962bb2e140b2f73e6
MD5 hash:
694fb91407ae5d7884b04a8fb1679f90
SHA1 hash:
8da25f32d5b479556c551fc5fa427c04d357ba40
Link:
https://www.unpac.me/results/d145e0dd-737b-4fd5-b1b8-f37f50c4a6a5/
SH256 hash:
af2cd2265119a4f216ade9b3da8600926f8ba66f786517a563c962397742f141
MD5 hash:
c8fc48fef996dab44aad07bb7b4de9da
SHA1 hash:
1ce14a6f9dd4135a9e748c08fab8bc4eba2cb0e6
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/d145e0dd-737b-4fd5-b1b8-f37f50c4a6a5/
SH256 hash:
50d7440b9e5b0b8b637d66557634cf1f1bbc6095e6c67fa51b8d2617d36f4cd6
MD5 hash:
94014bbd9c151b4fdfdbdaedba8d4af3
SHA1 hash:
2ba440930fe4a3fbcb211df1e203e48fd7f5315c
Link:
https://www.unpac.me/results/d145e0dd-737b-4fd5-b1b8-f37f50c4a6a5/
SH256 hash:
cc2b98223c9dcaf35c31d2eb743780aa3ea50177043e82633dda11aa7b7ff66b
MD5 hash:
014ace331af3642ddb3d3aa754e94950
SHA1 hash:
2ee54a101d1817ffdf1154d6bc19a7fa6db81c97
Link:
https://www.unpac.me/results/d145e0dd-737b-4fd5-b1b8-f37f50c4a6a5/
SH256 hash:
1fb22186425b9ded352d619876a5d2e0a8ab0ea09f79c5bee5a6d3cb12b172ef
MD5 hash:
73883cff866a2233e7eb6165ef55761b
SHA1 hash:
07967d25be1bb7924baeee2ad863dde08bc55174
Link:
https://www.unpac.me/results/d145e0dd-737b-4fd5-b1b8-f37f50c4a6a5/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ca6802e0f608/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/ca6802e0f6081553c75aa92206478ca3ae3150d07e271ef962bb2e140b2f73e6

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win32_dotnet_form_obfuscate
Create hunting rule
Author:Reedus0
Description:Rule for detecting .NET form obfuscate malware

File information

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

Malspam

Formbook

Executable exe ca6802e0f6081553c75aa92206478ca3ae3150d07e271ef962bb2e140b2f73e6

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/31933/

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