MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 635fac03fcdd04822beb4740cdd544d887cd3039b67009cc90bdacc6c4bcdacb. 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: 14


Intelligence 14 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 635fac03fcdd04822beb4740cdd544d887cd3039b67009cc90bdacc6c4bcdacb
SHA3-384 hash: b9126f43e62ac80a5a4d3fe3710120a8f77a7bf7346699a3ba468618e3c439d9a6688a7e1d8c4fbb934af8d4fd413272
SHA1 hash: 9a897889383e55a66c215bbc2b341996a46081b0
MD5 hash: 76435e8885559a7c3ef955de05646970
humanhash: don-fifteen-equal-cup
File name:76435e8885559a7c3ef955de05646970.exe
Download: download sample
Signature Socks5Systemz
Create hunting rule
File size:3'719'914 bytes
First seen:2025-04-16 15:27:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'472 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:1vzosUaPvpjU0FGpOWYALJs7RjYt/brea7XNB3oYxU3uhdSc1ME9XoMYvmVlWRh:NzVP20wpOWS7cbreyLh6KD1MCXdY+jWf
Threatray 327 similar samples on MalwareBazaar
TLSH T1650633A5835F633CD84A68301893E66822E6BE91397800C3F7DD9DCD1D4BBC957AD362
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
dhash icon b298acbab2ca7a72 (2'327 x GCleaner, 1'631 x Socks5Systemz, 67 x RedLineStealer)
Reporter abuse_ch
Tags:exe Socks5Systemz

Intelligence

File Origin
# of uploads :
1
# of downloads :
436
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
76435e8885559a7c3ef955de05646970.exe
Verdict:
Malicious activity
Analysis date:
2025-04-16 15:28:30 UTC
Tags:
inno installer
Link:
https://app.any.run/tasks/bb512902-9cff-4c7d-bdb4-1f080d3d03e3

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/2498/
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67ffcdc0954c9c53de0be658
Tags:
injection dropper virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Searching for the window
Searching for synchronization primitives
Creating a file
Moving a recently created file
Creating a service
Enabling autorun for a service
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
adaptive-context borland_delphi fingerprint installer overlay packed packer_detected
Link:
https://www.filescan.io/uploads/67ffcc89e9c1e257979b0174/reports/a4c9a7ff-dcef-4170-959c-3eb8fbee7431/overview
Verdict:
Malicious
Labled as:
HEUR/AGEN.1372994
Link:
https://www.hybrid-analysis.com/sample/635fac03fcdd04822beb4740cdd544d887cd3039b67009cc90bdacc6c4bcdacb
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/51a60ac7-e740-4920-afb0-d7f30c185c56
Result
Threat name:
Socks5Systemz
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1666500
Signature
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
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
Found malware configuration
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Yara detected Socks5Systemz
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1666500 Sample: 89gdUryfbl.exe Startdate: 16/04/2025 Architecture: WINDOWS Score: 100 46 Found malware configuration 2->46 48 Antivirus detection for dropped file 2->48 50 Multi AV Scanner detection for dropped file 2->50 52 7 other signatures 2->52 7 89gdUryfbl.exe 2 2->7         started        10 svchost.exe 2->10         started        13 svchost.exe 1 2->13         started        15 4 other processes 2->15 process3 file4 36 C:\Users\user\AppData\...\89gdUryfbl.tmp, PE32 7->36 dropped 17 89gdUryfbl.tmp 18 20 7->17         started        54 Changes security center settings (notifications, updates, antivirus, firewall) 10->54 20 MpCmdRun.exe 1 10->20         started        signatures5 process6 file7 28 C:\Users\user\AppData\Local\...\_shfoldr.dll, PE32 17->28 dropped 30 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 17->30 dropped 32 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 17->32 dropped 34 22 other malicious files 17->34 dropped 22 ntfs2fat32converter102.exe 1 18 17->22         started        26 conhost.exe 20->26         started        process8 dnsIp9 42 185.39.17.76, 443, 49693, 49695 RU-TAGNET-ASRU Russian Federation 22->42 44 195.154.243.38, 2024 OnlineSASFR France 22->44 38 C:\ProgramData\...\sqlite3.dll, PE32 22->38 dropped 40 C:\ProgramData\...40TFS2FAT32Converter.exe, PE32 22->40 dropped file10
Score:
78%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/635fac03fcdd04822beb4740cdd544d887cd3039b67009cc90bdacc6c4bcdacb
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/635fac03fcdd04822beb4740cdd544d887cd3039b67009cc90bdacc6c4bcdacb/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-04-16 01:22:01 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mnp2ya743uciek7li5am3vke3cd42mbzwzyatteqxwwmnrf43lfq._file
Verdict:
malicious
Label(s):
socks5systemz
Create hunting rule
Similar samples:
26317698a9ba335dcdfc8221e2420ae1d942332542d2ec3a7787937740c09034
Socks5Systemz
36024fb876d8059740b825f25de708368a223bbbacf02d73d003d4e4eeb88657
Socks5Systemz
372b81311186c476741ad97006e8e50533e7541d16a7188ae00139c26e321c35
Socks5Systemz
644eeb4227d395ffd4de04707607098d39281999d7b99746e34a3bdbfc0bd47c
Socks5Systemz
71f8685ec48d0623886c9cf10bc1bc806586904c939aa28d20f9a253d45b623f
Socks5Systemz
af84cf74629f1487325a0c18e73916087d3af81912b8a87be43300f67da7033c
Socks5Systemz
error
Socks5Systemz
+ 317 additional samples on MalwareBazaar
Result
Malware family:
socks5systemz
Create hunting rule
Score:
  10/10
Tags:
family:socks5systemz botnet discovery
Link:
https://tria.ge/reports/250416-swdhyasxds/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Checks installed software on the system
Executes dropped EXE
Loads dropped DLL
Detect Socks5Systemz Payload
Socks5Systemz
Socks5systemz family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/be0ebc9f-a098-4a9c-bfe4-610244d486be
Unpacked files
SH256 hash:
635fac03fcdd04822beb4740cdd544d887cd3039b67009cc90bdacc6c4bcdacb
MD5 hash:
76435e8885559a7c3ef955de05646970
SHA1 hash:
9a897889383e55a66c215bbc2b341996a46081b0
Link:
https://www.unpac.me/results/9a5352c4-ae0e-4f15-939a-3c2b36e9db8e/
SH256 hash:
68d373d31a7d6682f2d16ad8cb2c9899b0e2f382bd8b9cd7fb528d538a290428
MD5 hash:
d17dcb718fd540929cefcd518f406834
SHA1 hash:
02c529233335db6e6aa8652fec39e01495921c04
Link:
https://www.unpac.me/results/9a5352c4-ae0e-4f15-939a-3c2b36e9db8e/
SH256 hash:
4dc09bac0613590f1fac8771d18af5be25a1e1cb8fdbf4031aa364f3057e74a2
MD5 hash:
0ee914c6f0bb93996c75941e1ad629c6
SHA1 hash:
12e2cb05506ee3e82046c41510f39a258a5e5549
Link:
https://www.unpac.me/results/9a5352c4-ae0e-4f15-939a-3c2b36e9db8e/
SH256 hash:
44b8e6a310564338968158a1ed88c8535dece20acb06c5e22d87953c261dfed0
MD5 hash:
9c8886759e736d3f27674e0fff63d40a
SHA1 hash:
ceff6a7b106c3262d9e8496d2ab319821b100541
Link:
https://www.unpac.me/results/9a5352c4-ae0e-4f15-939a-3c2b36e9db8e/
SH256 hash:
a582b80bf55b1444f5bf62c25922670f9c4b19b8d6544e804effbda5faf17757
MD5 hash:
6ac5078fc3c5177d6e45251a0e889475
SHA1 hash:
98c4ccf0649dfe9f728baefab8a30db04eeed923
Link:
https://www.unpac.me/results/9a5352c4-ae0e-4f15-939a-3c2b36e9db8e/
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/635fac03fcdd04822beb4740cdd544d887cd3039b67009cc90bdacc6c4bcdacb

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.

Cape
Cape
https://www.capesandbox.com/analysis/2498/

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
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
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