MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 897186b66a8f694c07a14b854bc24f2bee66ddde77183a37ffd055b914304d8b. 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


CryptOne


Vendor detections: 11


Intelligence 11 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 897186b66a8f694c07a14b854bc24f2bee66ddde77183a37ffd055b914304d8b
SHA3-384 hash: bdd2cb0a8a9925ddf6ef9f024c9a7c21f37cc4fbebc3c2dd7691e896f25d80aa27683886b0bada8f43a70ab575b8b983
SHA1 hash: 9a0684a858b6b4bdb6371e9510bf594a614f437f
MD5 hash: d2ddb54d3a5b5ecfeeb8240a3a1d59af
humanhash: arizona-maryland-utah-carolina
File name:spoolsv.exe
Download: download sample
Signature CryptOne
Create hunting rule
File size:211'952 bytes
First seen:2022-10-14 08:48:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 98f67c550a7da65513e63ffd998f6b2e (60 x Worm.Mofksys, 21 x SnakeKeylogger, 13 x MassLogger)
ssdeep 3072:wvEfVUzSLhIVbV6i5LirrlZrHyrUHUckoMQ2RN6unj777777777777777777777e:wvEN2U+T6i5LirrllHy4HUcMQY6D
TLSH T1DF24E96FAA00702FE5A7C5F14476A596BA212D361BD1AC4F23E0AF4538B2113B6F531F
TrID 58.8% (.EXE) Win32 Executable Microsoft Visual Basic 6 (82067/2/8)
22.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
7.5% (.EXE) Win64 Executable (generic) (10523/12/4)
3.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
3.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon e0983846474abce9 (3 x CryptOne)
Reporter 0xToxin
Tags:CryptOne exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
219
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/320311/
Detection(s):
PUA.Win.Packer.ProtectSharewar-3
Create hunting rule

PUA.Win.Packer.ProtectSharewar-2
Create hunting rule

Win.Malware.Swisyn-7610494-0
Create hunting rule

Win.Virus.Sality-6335700-2
Create hunting rule

Win.Malware.Swisyn-9942393-0
Create hunting rule

Win.Trojan.VBGeneric-6735885-0
Create hunting rule

Win.Virus.Sality-6747602-0
Create hunting rule

Win.Trojan.Kazy-304
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
Creating a file in the Windows subdirectories
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Creating a process with a hidden window
Setting a keyboard event handler
Setting a global event handler
Creating a file in the %AppData% directory
Sending a custom TCP request
Setting a single autorun event
Launching the process to create tasks for the scheduler
Enabling autorun
Enabling a "Do not show hidden files" option
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
greyware keylogger overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/6349228148a09eabde1105f9/reports/451c05fd-141d-4476-b9f6-a668efab1b47/overview
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
Link:
https://analyze.intezer.com/analyses/50ddc0a2-7c65-43c5-93a2-d0637c8ad152
Result
Threat name:
CryptOne
Create hunting rule
Detection:
malicious
Classification:
spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1090614
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Changes security center settings (notifications, updates, antivirus, firewall)
Creates an undocumented autostart registry key
Detected CryptOne packer
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with benign system names
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
PE file has a writeable .text section
Query firmware table information (likely to detect VMs)
System process connects to network (likely due to code injection or exploit)
Uses schtasks.exe or at.exe to add and modify task schedules
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 723224 Sample: spoolsv.exe Startdate: 14/10/2022 Architecture: WINDOWS Score: 100 72 Antivirus detection for dropped file 2->72 74 Antivirus / Scanner detection for submitted sample 2->74 76 Machine Learning detection for sample 2->76 78 2 other signatures 2->78 10 spoolsv.exe 1 3 2->10         started        14 explorer.exe 2->14         started        16 svchost.exe 2->16         started        18 8 other processes 2->18 process3 file4 60 C:\Windows\System\explorer.exe, PE32 10->60 dropped 96 Drops executables to the windows directory (C:\Windows) and starts them 10->96 98 Drops PE files with benign system names 10->98 100 Installs a global keyboard hook 10->100 20 explorer.exe 3 24 10->20         started        102 Query firmware table information (likely to detect VMs) 16->102 104 Changes security center settings (notifications, updates, antivirus, firewall) 18->104 signatures5 process6 dnsIp7 64 vccmd01.zxq.net 51.81.194.202, 443, 49707, 49708 OVHFR United States 20->64 66 zxq.net 20->66 68 7 other IPs or domains 20->68 54 C:\Windows\System\spoolsv.exe, PE32 20->54 dropped 56 C:\Users\user\AppData\Roaming\mrsys.exe, PE32 20->56 dropped 80 Antivirus detection for dropped file 20->80 82 System process connects to network (likely due to code injection or exploit) 20->82 84 Creates an undocumented autostart registry key 20->84 86 3 other signatures 20->86 25 spoolsv.exe 2 20->25         started        file8 signatures9 process10 file11 58 C:\Windows\System\svchost.exe, PE32 25->58 dropped 88 Antivirus detection for dropped file 25->88 90 Machine Learning detection for dropped file 25->90 92 Drops executables to the windows directory (C:\Windows) and starts them 25->92 94 2 other signatures 25->94 29 svchost.exe 3 4 25->29         started        signatures12 process13 file14 62 C:\Users\user\AppData\Local\stsys.exe, PE32 29->62 dropped 106 Antivirus detection for dropped file 29->106 108 Detected CryptOne packer 29->108 110 Machine Learning detection for dropped file 29->110 112 3 other signatures 29->112 33 spoolsv.exe 1 29->33         started        36 at.exe 1 29->36         started        38 at.exe 1 29->38         started        40 22 other processes 29->40 signatures15 process16 signatures17 70 Installs a global keyboard hook 33->70 42 conhost.exe 36->42         started        44 conhost.exe 38->44         started        46 conhost.exe 40->46         started        48 conhost.exe 40->48         started        50 conhost.exe 40->50         started        52 19 other processes 40->52 process18
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/897186b66a8f694c07a14b854bc24f2bee66ddde77183a37ffd055b914304d8b/
Threat name:
Win32.Trojan.Swisyn
Create hunting rule
Status:
Malicious
First seen:
2022-10-14 08:49:08 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
26 of 26 (100.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rfyynntkr5uuyb5bjocuxqspfpxgnxo6o4mdun772bk3sfbqjwfq._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  10/10
Tags:
evasion persistence
Link:
https://tria.ge/reports/221014-kq1ghsgafp/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Modifies Installed Components in the registry
Modifies WinLogon for persistence
Modifies visiblity of hidden/system files in Explorer
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/a2fc489d-ce54-409d-81ac-3948e3484aa2
Unpacked files
SH256 hash:
897186b66a8f694c07a14b854bc24f2bee66ddde77183a37ffd055b914304d8b
MD5 hash:
d2ddb54d3a5b5ecfeeb8240a3a1d59af
SHA1 hash:
9a0684a858b6b4bdb6371e9510bf594a614f437f
Detections:
win_mofksys_auto
Create hunting rule
Link:
https://www.unpac.me/results/e984d6b8-a5a1-4c89-bc04-650bbece4ab3/
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/897186b66a8f694c07a14b854bc24f2bee66ddde77183a37ffd055b914304d8b

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:win_mofksys_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.mofksys.

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/320311/

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