MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a04878fa0c847378c99b1ffe7729516609a768ad493be74d32259438d230645. 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: 17


Intelligence 17 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4a04878fa0c847378c99b1ffe7729516609a768ad493be74d32259438d230645
SHA3-384 hash: 70463a5a89d0f9d5458813c6522fafc41dfd0ab64afc289888b2588b467d4c3dc25e5a99e7de76924748ec1f604d69aa
SHA1 hash: dc684de51f35fab8cd6077b08d11087979292369
MD5 hash: d28ad581688bd047c8194dce238add8c
humanhash: hot-fourteen-minnesota-apart
File name:BBX[1].exe
Download: download sample
Signature Socks5Systemz
Create hunting rule
File size:3'504'917 bytes
First seen:2025-08-09 01:05:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'452 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 98304:IwZDHsKxZ84BzEarhokdH4Qc6bAcBSLLwSN8kVKh:tAEom714Qc/LLxNHVKh
TLSH T1E5F53357F2D295F9C223EC70893231C6DA66F542A5B9150E71882C1F6BB7D298A1F3C3
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 aachum
Tags:dropped-by-gcleaner exe Socks5Systemz


Avatar
iamaachum
Socks5Systemz C2: 66.63.187.153

Intelligence

File Origin
# of uploads :
1
# of downloads :
43
Origin country :
ES ES
Vendor Threat Intelligence
Malware family:
redline
Create hunting rule
ID:
1
File name:
c9742576_.exe
Verdict:
Malicious activity
Analysis date:
2025-08-08 23:23:42 UTC
Tags:
gcleaner loader lumma stealer auto redline amadey botnet telegram auto-reg rhadamanthys auto-startup stealc autoit themida rdp github vidar
Link:
https://app.any.run/tasks/041927b3-492e-4a65-977f-864da3870ca6

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Socks5Systemz
Create hunting rule
Link:
https://www.capesandbox.com/analysis/19792/
Detection(s):
SecuriteInfo.com.Downloader.Agent2.BJXB.15489.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68969efa1e8a59ee04e7b754
Tags:
injection dropper virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Moving a recently created file
Creating a service
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
Enabling autorun for a service
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
adaptive-context borland_delphi fingerprint installer overlay overlay packed
Link:
https://www.filescan.io/uploads/68969f1c9ef4d2ff7cf37a74/reports/92858868-ccd1-4607-ae88-9a322e443a11/overview
Verdict:
Malicious
Labled as:
Adware.Popwina.fbjv/PSY
Link:
https://www.hybrid-analysis.com/sample/4a04878fa0c847378c99b1ffe7729516609a768ad493be74d32259438d230645
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/8a1353f8-af4f-40d5-a41c-aaea5a05235d
Result
Threat name:
Socks5Systemz
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1753474
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: 1753474 Sample: BBX[1].exe Startdate: 09/08/2025 Architecture: WINDOWS Score: 100 47 Found malware configuration 2->47 49 Antivirus detection for dropped file 2->49 51 Multi AV Scanner detection for dropped file 2->51 53 7 other signatures 2->53 7 BBX[1].exe 2 2->7         started        10 svchost.exe 2->10         started        13 svchost.exe 1 1 2->13         started        16 5 other processes 2->16 process3 dnsIp4 37 C:\Users\user\AppData\Local\...\BBX[1].tmp, PE32 7->37 dropped 18 BBX[1].tmp 18 26 7->18         started        55 Changes security center settings (notifications, updates, antivirus, firewall) 10->55 21 MpCmdRun.exe 2 10->21         started        45 127.0.0.1 unknown unknown 13->45 file5 signatures6 process7 file8 29 C:\Users\user\AppData\Local\...\_shfoldr.dll, PE32 18->29 dropped 31 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 18->31 dropped 33 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 18->33 dropped 35 21 other malicious files 18->35 dropped 23 foldererasertool574.exe 1 19 18->23         started        27 conhost.exe 21->27         started        process9 dnsIp10 43 66.63.187.153, 443, 49703, 49704 ASN-QUADRANET-GLOBALUS United States 23->43 39 C:\ProgramData\FolderEraserTool\sqlite3.dll, PE32 23->39 dropped 41 C:\ProgramData\...\FolderEraserTool.exe, PE32 23->41 dropped file11
Score:
78%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4a04878fa0c847378c99b1ffe7729516609a768ad493be74d32259438d230645
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4a04878fa0c847378c99b1ffe7729516609a768ad493be74d32259438d230645/
Verdict:
Malicious
Threat:
Trojan-Proxy.Win32.Sok5Syz
Link:
https://tip.neiki.dev/file/4a04878fa0c847378c99b1ffe7729516609a768ad493be74d32259438d230645
Threat name:
Win32.Trojan.Munp
Create hunting rule
Status:
Malicious
First seen:
2025-08-09 01:05:53 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jicipd5azbdtpdezwh76o4uvczqju5uk2sj345gtejmuhdjdazcq._file
Verdict:
malicious
Label(s):
socks5systemz
Create hunting rule
Similar samples:
error
Socks5Systemz
Result
Malware family:
socks5systemz
Create hunting rule
Score:
  10/10
Tags:
family:socks5systemz botnet discovery
Link:
https://tria.ge/reports/250809-bfyqhafl3y/
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:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/e7d6737e-cfe6-4427-868f-6951e26efced
Unpacked files
SH256 hash:
4a04878fa0c847378c99b1ffe7729516609a768ad493be74d32259438d230645
MD5 hash:
d28ad581688bd047c8194dce238add8c
SHA1 hash:
dc684de51f35fab8cd6077b08d11087979292369
Link:
https://www.unpac.me/results/880fb6e1-9ece-4c44-b3c1-d270410ba071/
SH256 hash:
22af72b82ed47580b2ecc01309c223c7c5af9c9d72336037612e7da4f172e657
MD5 hash:
17dd0e8126677d41b24dfdb61de0d0fa
SHA1 hash:
4307db78de8c8d05dc46c6df5786811c05eb734d
Link:
https://www.unpac.me/results/880fb6e1-9ece-4c44-b3c1-d270410ba071/
SH256 hash:
ce4c1c28c1df94d498bd77ff54c2f6682fafe58f98679af853818710377ffc03
MD5 hash:
4444aaca5b17b8b3bd473917df434882
SHA1 hash:
dca8dd766f65b943e156482e449fd7974fd7c26f
Link:
https://www.unpac.me/results/880fb6e1-9ece-4c44-b3c1-d270410ba071/
SH256 hash:
44b8e6a310564338968158a1ed88c8535dece20acb06c5e22d87953c261dfed0
MD5 hash:
9c8886759e736d3f27674e0fff63d40a
SHA1 hash:
ceff6a7b106c3262d9e8496d2ab319821b100541
Link:
https://www.unpac.me/results/880fb6e1-9ece-4c44-b3c1-d270410ba071/
SH256 hash:
ebb6448bebc3ac6fbec7de2abb1fe4e3fbec32225e5147844612e4b5eea61304
MD5 hash:
06e728670a6af9a04f9525584923a99b
SHA1 hash:
0fbe2731bb5875e1d912e49b72e4c0909a82349c
Link:
https://www.unpac.me/results/880fb6e1-9ece-4c44-b3c1-d270410ba071/
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/4a04878fa0c847378c99b1ffe7729516609a768ad493be74d32259438d230645

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:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
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.

Web download

Socks5Systemz

Executable exe 4a04878fa0c847378c99b1ffe7729516609a768ad493be74d32259438d230645

(this sample)

  
Link
https://tria.ge/250809-bbcbpswjz3/behavioral2
  
Dropped by
GCleaner
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/19792/

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