MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a35e6b6f7fce33c90f04aa7ddf355d4fa8b9329757709de60b4dcf7a39c50b9. 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: 8a35e6b6f7fce33c90f04aa7ddf355d4fa8b9329757709de60b4dcf7a39c50b9
SHA3-384 hash: 2afbcecfe579d35b1beb7420dbb8ae1d6143cd44a9d66394a0535d6fc3912bf449cda9e5d9a6b2f8197d5638b0c1190e
SHA1 hash: bae90c58ce70d8238254029b9d660fab66736b52
MD5 hash: b4ad1bac62eb28ad0bff59d9cf44abad
humanhash: eight-carpet-california-cold
File name:file
Download: download sample
Signature Socks5Systemz
Create hunting rule
File size:4'057'649 bytes
First seen:2025-03-13 15:22:35 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 98304:3//dOlnLPJMx82oRDhBWny0DN3IP+US1kXr:v/dOlLPJ85Ms3IGU0M
Threatray 1'729 similar samples on MalwareBazaar
TLSH T1B416334F62F3D83AD0A9C6B92D37D113519B7F52397B214072986F18DE3F82A212D366
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 jstrosch
Tags:exe Socks5Systemz


Avatar
jstrosch
Found at hxxp://91.240.118[.]49/forsale/silk.exe by #subcrawl

Intelligence

File Origin
# of uploads :
1
# of downloads :
275
Origin country :
CA CA
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2025-03-13 15:53:01 UTC
Tags:
inno installer delphi
Link:
https://app.any.run/tasks/07fe4634-bbf1-4945-8276-78260d4bc8d7

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67d3053208116ce42570d0e2
Tags:
injection dropper virus
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:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
adaptive-context borland_delphi fingerprint installer overlay packed packer_detected
Link:
https://www.filescan.io/uploads/67d2fa8b6de59baf19630f54/reports/8a3f6a26-8c02-4394-86e6-08a0e0944b1e/overview
Verdict:
Malicious
Labled as:
Win/grayware_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/8a35e6b6f7fce33c90f04aa7ddf355d4fa8b9329757709de60b4dcf7a39c50b9
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/1abed3d5-7906-4ed6-b458-eb88cdd6f4fc
Result
Threat name:
Socks5Systemz
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1637446
Signature
Antivirus detection for dropped file
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)
Joe Sandbox ML detected suspicious sample
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 signatures2 2 Behavior Graph ID: 1637446 Sample: file.exe Startdate: 13/03/2025 Architecture: WINDOWS Score: 100 49 Antivirus detection for dropped file 2->49 51 Multi AV Scanner detection for dropped file 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 6 other signatures 2->55 7 file.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\Temp\...\file.tmp, PE32 7->37 dropped 18 file.tmp 18 26 7->18         started        57 Changes security center settings (notifications, updates, antivirus, firewall) 10->57 21 MpCmdRun.exe 2 10->21         started        47 127.0.0.1 unknown unknown 13->47 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 docman.exe 1 21 18->23         started        27 conhost.exe 21->27         started        process9 dnsIp10 43 176.113.115.96, 443, 49693, 49694 SELECTELRU Russian Federation 23->43 45 45.93.20.230, 2024, 49695, 49716 COGENT-174US Netherlands 23->45 39 C:\ProgramData\DocumentManager\sqlite3.dll, PE32 23->39 dropped 41 C:\ProgramData\...\DocumentManager.exe, PE32 23->41 dropped file11
Score:
83%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8a35e6b6f7fce33c90f04aa7ddf355d4fa8b9329757709de60b4dcf7a39c50b9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8a35e6b6f7fce33c90f04aa7ddf355d4fa8b9329757709de60b4dcf7a39c50b9/
Threat name:
Win32.Ransomware.Socks5Systemz
Create hunting rule
Status:
Malicious
First seen:
2025-03-13 12:40:05 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
18 of 38 (47.37%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ri26nnxx7trtzehqjkt5342v2t5ixezjov3qtxtawtoppi44kc4q._file
Verdict:
malicious
Label(s):
socks5systemz
Create hunting rule
Similar samples:
08b3976cf68e5714f6bded88a0aea5820946e94bdab8f88bf9c2792d51d21169
Socks5Systemz
1dcf2c9385911bb5134a500b4159bb0da897a02cf77d38f9330b64f363bd9315
Socks5Systemz
44381dcaf3805730f78eef801218182b308d5ef4d712a5636315f09f2a5e0065
Socks5Systemz
ba58d3f14d7e106b3ad8d60501bdbcaf19506731b5085d478d9a0887e6b0b524
Socks5Systemz
bd1ad8e97f2085b381ba0a732a14e85691b51646c3a055c9df74c0b1a6a84b48
Socks5Systemz
d4bed3ca2c916185e53c92d19ee226233e482e357f8aace74a99030e2d442a2a
Socks5Systemz
eb04f77eb4f92dd2b46d04408166a32505e5016435ccd84476f20eeba542dafd
Socks5Systemz
ec252c14b60754a9e280e0e4624077fcc3af03347f1a585b539f8d100777ad22
Socks5Systemz
ec6b16b5d4b8630b8e4b8acec0d4bcc3dca33dbcbfcab979657a169edad9558e
Socks5Systemz
error
Socks5Systemz
fbedd9cfc2ef50738d490530264b582325212f701a6a36d24ea1edbfe1fdacc7
Socks5Systemz
+ 1'719 additional samples on MalwareBazaar
Result
Malware family:
socks5systemz
Create hunting rule
Score:
  10/10
Tags:
family:socks5systemz botnet discovery
Link:
https://tria.ge/reports/250313-ssh91sym16/
Behaviour
Modifies system certificate store
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/82efea4f-2156-45aa-98ea-95b559fd62e2
Unpacked files
SH256 hash:
8a35e6b6f7fce33c90f04aa7ddf355d4fa8b9329757709de60b4dcf7a39c50b9
MD5 hash:
b4ad1bac62eb28ad0bff59d9cf44abad
SHA1 hash:
bae90c58ce70d8238254029b9d660fab66736b52
Link:
https://www.unpac.me/results/578b4e69-9705-460d-948b-9752cfc8c1aa/
SH256 hash:
0782d0b00d99ac78c537560091183c61fb5c1247676eb23b57e25a8531fb721b
MD5 hash:
3bcee56dd7393a75e2999df7b781112b
SHA1 hash:
c4e29012f6bb39c5b3bc1e60b97b8f8cd0867359
Link:
https://www.unpac.me/results/578b4e69-9705-460d-948b-9752cfc8c1aa/
SH256 hash:
f45c6f9972d4c5f502e1add220dd3df49874ac91dab59467db0c1a06777ed85f
MD5 hash:
c5992281dd5a0d33a83bebe1aad9d2fb
SHA1 hash:
cbfbec8e0c97b4401d4be2f8adbde487f6700591
Link:
https://www.unpac.me/results/578b4e69-9705-460d-948b-9752cfc8c1aa/
SH256 hash:
388a796580234efc95f3b1c70ad4cb44bfddc7ba0f9203bf4902b9929b136f95
MD5 hash:
e4211d6d009757c078a9fac7ff4f03d4
SHA1 hash:
019cd56ba687d39d12d4b13991c9a42ea6ba03da
Link:
https://www.unpac.me/results/578b4e69-9705-460d-948b-9752cfc8c1aa/
SH256 hash:
44b8e6a310564338968158a1ed88c8535dece20acb06c5e22d87953c261dfed0
MD5 hash:
9c8886759e736d3f27674e0fff63d40a
SHA1 hash:
ceff6a7b106c3262d9e8496d2ab319821b100541
Link:
https://www.unpac.me/results/578b4e69-9705-460d-948b-9752cfc8c1aa/
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/8a35e6b6f7fce33c90f04aa7ddf355d4fa8b9329757709de60b4dcf7a39c50b9

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.

Web download

Socks5Systemz

Executable exe 8a35e6b6f7fce33c90f04aa7ddf355d4fa8b9329757709de60b4dcf7a39c50b9

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3432094/

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