MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c8991fc26fd8166a0b3e2103f349403bed1d499d41fbb293f1c7512ea9e9c16e. 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


Threat unknown


Vendor detections: 8


Intelligence 8 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c8991fc26fd8166a0b3e2103f349403bed1d499d41fbb293f1c7512ea9e9c16e
SHA3-384 hash: d11a4c4e107fca1f6d7eede7a5cf16b6520308007fef68ac0d64218cd1c2481683e3775c3e4df67954be9ca87693638f
SHA1 hash: 3160f0d3921ec5cb2833ab82eb9d383ea07746d0
MD5 hash: a8bdfba836b90067f4602b3feea59263
humanhash: five-summer-salami-oranges
File name:svchost.exe
Download: download sample
File size:138'364 bytes
First seen:2025-11-23 09:30:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 8c16c795b57934183422be5f6df7d891 (36 x Mofksys, 18 x CryptOne, 6 x AveMariaRAT)
ssdeep 1536:UfsEqouTRcG/Mzvgf7xEuvnXNTRdUzwTekUOisZ1yDDajtXbVX5:UVqoCl/YgjxEufVU0TbTyDDalR5
TLSH T118D3E833AE50606EE406C6F038A5E69EFA524E352BE1AE073792FB4069B514375F431F
TrID 42.6% (.EXE) Win32 Executable (generic) (4504/4/1)
19.4% (.ICL) Windows Icons Library (generic) (2059/9)
18.9% (.EXE) Generic Win/DOS Executable (2002/3)
18.9% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter Hexastrike
Tags:exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
17
Origin country :
IE IE
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/40855/
Gathering data
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
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 single autorun event
Enabling a "Do not show hidden files" option
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm overlay visual_basic
Link:
https://www.filescan.io/uploads/6922e0586c89728b9825ec6b/reports/a63a6f92-4bd2-45b0-a95c-f147030229bb/overview
Verdict:
Malicious
Labled as:
Trojan.Agent
Link:
https://www.hybrid-analysis.com/sample/c8991fc26fd8166a0b3e2103f349403bed1d499d41fbb293f1c7512ea9e9c16e
Result
Gathering data
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c8991fc26fd8166a0b3e2103f349403bed1d499d41fbb293f1c7512ea9e9c16e
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Visual Basic Visual Basic 6 Win 32 Exe x86
Link:
https://app.malva.re/file/a8bdfba836b90067f4602b3feea59263
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c8991fc26fd8166a0b3e2103f349403bed1d499d41fbb293f1c7512ea9e9c16e/
Threat name:
Win32.Trojan.Swisyn
Create hunting rule
Status:
Malicious
First seen:
2025-11-22 06:27:25 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
35 of 36 (97.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zcmr7qtp3algucz6eeb7gskahpwr2sm5ih53fe7ry5is5kpjyfxa._file
Verdict:
malicious
Label(s):
mofksys
Create hunting rule
Similar samples:
error
Result
Malware family:
n/a
Score:
  10/10
Tags:
defense_evasion discovery persistence
Link:
https://tria.ge/reports/251123-mebp5aeq6x/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Drops file in Windows directory
Drops file in System32 directory
Adds Run key to start application
Executes dropped EXE
Modifies visibility of hidden/system files in Explorer
Unpacked files
SH256 hash:
c8991fc26fd8166a0b3e2103f349403bed1d499d41fbb293f1c7512ea9e9c16e
MD5 hash:
a8bdfba836b90067f4602b3feea59263
SHA1 hash:
3160f0d3921ec5cb2833ab82eb9d383ea07746d0
Link:
https://www.unpac.me/results/9e0e2d6e-c7c5-4829-8c23-ed59d385121b/
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/c8991fc26fd8166a0b3e2103f349403bed1d499d41fbb293f1c7512ea9e9c16e

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:SEH__vba
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SUSP_Imphash_Mar23_2
Create hunting rule
Author:Arnim Rupp (https://github.com/ruppde)
Description:Detects imphash often found in malware samples (Zero hits with with search for 'imphash:x p:0' on Virustotal)
Reference:Internal Research
Rule name:Windows_Generic_Threat_7526f106
Create hunting rule
Author:Elastic Security
Rule name:Windows_Generic_Threat_cbe3313a
Create hunting rule
Author:Elastic Security

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/40855/

Comments