MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 374aeafac5287996cc4707e995ae96a6ead0971c29e09bb11a4f2e59c2f8b87a. 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


Socks5Systemz


Vendor detections: 11


Intelligence 11 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 374aeafac5287996cc4707e995ae96a6ead0971c29e09bb11a4f2e59c2f8b87a
SHA3-384 hash: 854c373519228bdf9dd489062c7b1a0ba8930f9c6f537a653948822057c4f9f37495f521b3ae71cb9f8a0d45550b9cdd
SHA1 hash: 5d40d22cf566e6080a1e96a3fb61be771b9a85b3
MD5 hash: 2724e981ed7326080f3d13e52bcca358
humanhash: kansas-jupiter-gee-ten
File name:silk.exe
Download: download sample
Signature Socks5Systemz
Create hunting rule
File size:4'189'078 bytes
First seen:2025-02-08 15:58:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'566 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:p9ARrLgrgrVHZRv6PQTwBRvbW4u9zr7bp3co+IyT8/BZVTMPYMCVRicRua79EhAl:3AREodM84Kr3psxIxXMQdR+aGVZ69243
TLSH T1A01633D784588574F59ACB7A2F3E8010E53B5D4B6436D506BB07ADCF2B0F6A0CB4239A
TrID 76.2% (.EXE) Inno Setup installer (107240/4/30)
10.0% (.EXE) Win32 Executable Delphi generic (14182/79/4)
4.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.4% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
File icon (PE):PE icon
dhash icon b298acbab2ca7a72 (2'327 x GCleaner, 1'631 x Socks5Systemz, 67 x RedLineStealer)
Reporter aachum
Tags:exe Socks5Systemz


Avatar
iamaachum
http://91.240.118.49/forsale/silk.exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
366
Origin country :
ES ES
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
c42d8b5b5aa5305643f7181d8bbad5ec.exe
Verdict:
Malicious activity
Analysis date:
2025-02-08 15:24:32 UTC
Tags:
loader inno installer delphi
Link:
https://app.any.run/tasks/56c5026d-f6b7-48e4-8bd9-3c045ba098ff

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Application.Agent.AIQ.2330.UNOFFICIAL
Create hunting rule

Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% subdirectories
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file
Moving a recently created file
Creating a service
Enabling autorun for a service
Verdict:
Malicious
Labled as:
Win/grayware_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/374aeafac5287996cc4707e995ae96a6ead0971c29e09bb11a4f2e59c2f8b87a
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/db30cb98-8fad-4514-88ba-1660b5d1d77b
Result
Threat name:
Socks5Systemz
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1610140
Signature
Changes security center settings (notifications, updates, antivirus, firewall)
Contains functionality to infect the boot sector
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found API chain indicative of debugger detection
Joe Sandbox ML detected suspicious sample
Machine Learning detection for dropped file
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file has a writeable .text section
Yara detected Socks5Systemz
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1610140 Sample: silk.exe Startdate: 08/02/2025 Architecture: WINDOWS Score: 100 44 twc.trafficmanager.net 2->44 46 time.windows.com 2->46 54 Multi AV Scanner detection for dropped file 2->54 56 Multi AV Scanner detection for submitted file 2->56 58 Detected unpacking (changes PE section rights) 2->58 60 7 other signatures 2->60 8 silk.exe 2 2->8         started        11 svchost.exe 2->11         started        14 svchost.exe 2->14         started        17 4 other processes 2->17 signatures3 process4 dnsIp5 38 C:\Users\user\AppData\Local\Temp\...\silk.tmp, PE32 8->38 dropped 19 silk.tmp 18 26 8->19         started        62 Changes security center settings (notifications, updates, antivirus, firewall) 11->62 22 MpCmdRun.exe 2 11->22         started        52 twc.trafficmanager.net 51.137.137.111, 123 MICROSOFT-CORP-MSN-AS-BLOCKUS United Kingdom 14->52 file6 signatures7 process8 file9 30 C:\Users\user\AppData\Local\...\_shfoldr.dll, PE32 19->30 dropped 32 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 19->32 dropped 34 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 19->34 dropped 36 21 other malicious files 19->36 dropped 24 profmedia822.exe 1 21 19->24         started        28 conhost.exe 22->28         started        process10 dnsIp11 48 176.113.115.96, 443, 49957, 49971 SELECTELRU Russian Federation 24->48 50 89.105.201.183, 2024, 49965 NOVOSERVE-ASNL Netherlands 24->50 40 C:\ProgramData\ProfMediaPlayer\sqlite3.dll, PE32 24->40 dropped 42 C:\ProgramData\...\ProfMediaPlayer.exe, PE32 24->42 dropped file12
Score:
86%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/374aeafac5287996cc4707e995ae96a6ead0971c29e09bb11a4f2e59c2f8b87a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/374aeafac5287996cc4707e995ae96a6ead0971c29e09bb11a4f2e59c2f8b87a/
Threat name:
Win32.Ransomware.Generic
Create hunting rule
Status:
Malicious
First seen:
2025-02-08 15:28:00 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=g5fov6wffb4zntcha7uzlluwu3vnbfy4fhqjxmi2j4xftqxyxb5a._file
Result
Malware family:
socks5systemz
Create hunting rule
Score:
  10/10
Tags:
family:socks5systemz botnet discovery
Link:
https://tria.ge/reports/250208-te7k5atmgw/
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Checks installed software on the system
Executes dropped EXE
Loads dropped DLL
Downloads MZ/PE file
Detect Socks5Systemz Payload
Socks5Systemz
Socks5systemz family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/cece807e-5223-4c68-820e-55e70718eb93
Unpacked files
SH256 hash:
30208986a0b556b371872b24002e837a4fed4fee49a2b9e339800dd667dea6fc
MD5 hash:
e2700e8b6ec387910995f1be70c6078d
SHA1 hash:
4e2212cbc3fb01c619462515b460d7437c0964bf
Link:
https://www.unpac.me/results/6ea8edeb-f5cf-4a55-a022-be018f6e65a8/
SH256 hash:
232c2c54f26d99c772fa91b1f3c87a2e33353ae3593b5b7dad6eb8cd945d6818
MD5 hash:
0549a2a07366695e8f8375c9ce677318
SHA1 hash:
c72cc60a1c32b7b7a471bcb795b8b43fdd1e7a00
Link:
https://www.unpac.me/results/6ea8edeb-f5cf-4a55-a022-be018f6e65a8/
SH256 hash:
388a796580234efc95f3b1c70ad4cb44bfddc7ba0f9203bf4902b9929b136f95
MD5 hash:
e4211d6d009757c078a9fac7ff4f03d4
SHA1 hash:
019cd56ba687d39d12d4b13991c9a42ea6ba03da
Link:
https://www.unpac.me/results/6ea8edeb-f5cf-4a55-a022-be018f6e65a8/
SH256 hash:
44b8e6a310564338968158a1ed88c8535dece20acb06c5e22d87953c261dfed0
MD5 hash:
9c8886759e736d3f27674e0fff63d40a
SHA1 hash:
ceff6a7b106c3262d9e8496d2ab319821b100541
Link:
https://www.unpac.me/results/6ea8edeb-f5cf-4a55-a022-be018f6e65a8/
SH256 hash:
374aeafac5287996cc4707e995ae96a6ead0971c29e09bb11a4f2e59c2f8b87a
MD5 hash:
2724e981ed7326080f3d13e52bcca358
SHA1 hash:
5d40d22cf566e6080a1e96a3fb61be771b9a85b3
Link:
https://www.unpac.me/results/6ea8edeb-f5cf-4a55-a022-be018f6e65a8/
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/374aeafac5287996cc4707e995ae96a6ead0971c29e09bb11a4f2e59c2f8b87a

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:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_EXE_Packed_VMProtect
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with VMProtect.
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:ScanStringsInsocks5systemz
Create hunting rule
Author:Byambaa@pubcert.mn
Description:Scans presence of the found strings using the in-house brute force method
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

Socks5Systemz

Executable exe 60747e80c3dece47b5c7dc3cfdcfe18abfd4cf12fe9b794749e068760dcb4847

Socks5Systemz

Executable exe 374aeafac5287996cc4707e995ae96a6ead0971c29e09bb11a4f2e59c2f8b87a

(this sample)

  
Link
https://tria.ge/250208-tcrrwstmbx/behavioral2
  
Dropped by
SHA256 60747e80c3dece47b5c7dc3cfdcfe18abfd4cf12fe9b794749e068760dcb4847
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3432094/
  
Dropped by
MD5 c42d8b5b5aa5305643f7181d8bbad5ec

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
Reviews
IDCapabilitiesEvidence
SECURITY_BASE_APIUses Security Base APIadvapi32.dll::AdjustTokenPrivileges
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CreateProcessA
advapi32.dll::OpenProcessToken
kernel32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryA
kernel32.dll::GetSystemInfo
kernel32.dll::GetCommandLineA
WIN_BASE_IO_APICan Create Fileskernel32.dll::CreateDirectoryA
kernel32.dll::CreateFileA
kernel32.dll::DeleteFileA
kernel32.dll::GetWindowsDirectoryA
kernel32.dll::GetFileAttributesA
kernel32.dll::RemoveDirectoryA
WIN_BASE_USER_APIRetrieves Account Informationadvapi32.dll::LookupPrivilegeValueA
WIN_REG_APICan Manipulate Windows Registryadvapi32.dll::RegOpenKeyExA
advapi32.dll::RegQueryValueExA
WIN_USER_APIPerforms GUI Actionsuser32.dll::PeekMessageA
user32.dll::CreateWindowExA

Comments