MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 eef3e30fb0a0404549b189ff4f5a799694b88d3f3b608d422fb2f93559804b21. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: eef3e30fb0a0404549b189ff4f5a799694b88d3f3b608d422fb2f93559804b21
SHA3-384 hash: f04c6cf43e94837433e1c5a5edf95583221d0edca2b5407130e979c96b896b0a1aad8581ded4ba4c006e8671d4f8c3f7
SHA1 hash: 6d7f86bb2af908c496222274e4edb5c72c3c89f8
MD5 hash: b45faa22293df98a534eb37565d1359b
humanhash: two-lactose-artist-twelve
File name:SecuriteInfo.com.Win32.MalwareX-gen.1819.5428
Download: download sample
Signature Formbook
Create hunting rule
File size:776'192 bytes
First seen:2025-09-18 04:21:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:Ab+ohEAEI0KkFv7kWNuckA7CNaoIfDNWRD5Z57csGQMmhbhtQDuT7x6PGj3:+EAE5p1uzNavWLb7cA1txTN
TLSH T17AF4125A735EFD03D2A157B00930D3B502B8AD9DB911C353DEE9BCBBBC667406D082A2
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10522/11/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
107
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Win32.MalwareX-gen.1819.5428
Verdict:
No threats detected
Analysis date:
2025-09-18 04:27:06 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/4c2e56a2-e4f9-4f17-9fcb-40462d222fc6

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/28028/
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.1819.5428.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68cb88e288b95443924794be
Tags:
stration shell spawn
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
Launching the default Windows debugger (dwwin.exe)
Adding an exclusion to Microsoft Defender
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/68cb891d0d1238ff0aae4c62/reports/2eeffbbe-b8d4-4570-839c-6b59b8fc0610/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/eef3e30fb0a0404549b189ff4f5a799694b88d3f3b608d422fb2f93559804b21
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-18T00:16:00Z UTC
Last seen:
2025-09-18T00:16:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/eef3e30fb0a0404549b189ff4f5a799694b88d3f3b608d422fb2f93559804b21/results?tab=lookup
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0738a83f-92e7-4ca7-aae1-0b02cf15431b
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/eef3e30fb0a0404549b189ff4f5a799694b88d3f3b608d422fb2f93559804b21
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.16 Win 32 Exe x86
Link:
https://app.malva.re/file/b45faa22293df98a534eb37565d1359b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/eef3e30fb0a0404549b189ff4f5a799694b88d3f3b608d422fb2f93559804b21/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2025-09-18 04:23:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
30 of 38 (78.95%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=53z6gd5qubaeksnrrh7u6wtzs2klrdj7hnqi2qrpwl4tkwmajmqq._file
Verdict:
malicious
Label(s):
unc_loader_037
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/250918-eznleswp12/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
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/cb3137b3-9084-4a77-99af-ff23b15ce838
Unpacked files
SH256 hash:
eef3e30fb0a0404549b189ff4f5a799694b88d3f3b608d422fb2f93559804b21
MD5 hash:
b45faa22293df98a534eb37565d1359b
SHA1 hash:
6d7f86bb2af908c496222274e4edb5c72c3c89f8
Link:
https://www.unpac.me/results/93577ffa-8cde-48ad-89fe-7676ce6cc8df/
SH256 hash:
1041b538ccbc7d66e59247ef7551cde9b6c282843541585e9190a8e2e3943b12
MD5 hash:
e870d1e8f3791ccc141f85f40fd2972b
SHA1 hash:
150919ee289cffa6feb40ab8261f620dd7e26aac
Link:
https://www.unpac.me/results/93577ffa-8cde-48ad-89fe-7676ce6cc8df/
SH256 hash:
04889c792aeeb29570f75c89d04dd292ee4d74258359dc1155c684f510321a50
MD5 hash:
78de31ef8ccfb2a3ce92d90a70a91764
SHA1 hash:
3b8cf15a49ac0a0d84451926dc26fd5d31d8004c
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/93577ffa-8cde-48ad-89fe-7676ce6cc8df/
SH256 hash:
730a41c4e4a6b90f9c821c98e7bff86428c71b5462cd83439812b9cb99f11f73
MD5 hash:
702e221ace566d9fab4fb5121a511575
SHA1 hash:
6375350b0944ddfa767eba20c2298b50e7cc6467
Link:
https://www.unpac.me/results/93577ffa-8cde-48ad-89fe-7676ce6cc8df/
SH256 hash:
e1ca7497d48da97b76c33e5a097db3d5851b343e20fd43dfaaa19095e8e150a5
MD5 hash:
bc3369d8ec4d063b5b1908278887e406
SHA1 hash:
b58e46ba7b3e98ddb330ad41b74ae5d422c6f3ae
Link:
https://www.unpac.me/results/93577ffa-8cde-48ad-89fe-7676ce6cc8df/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/eef3e30fb0a0/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/eef3e30fb0a0404549b189ff4f5a799694b88d3f3b608d422fb2f93559804b21

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_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
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:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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.

Cape
Cape
https://www.capesandbox.com/analysis/28028/

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