MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 99da032df6087e2b3bfdda0d1d0fcc9f959b58eec7772e21203fc38348256108. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments

SHA256 hash: 99da032df6087e2b3bfdda0d1d0fcc9f959b58eec7772e21203fc38348256108
SHA3-384 hash: 89cd7946d82c92eb8f956c3e20c34ab5b05991ccd0a63eb4f3f79fd449c5efe20e7d1e920271a12c1fe3830f4acccd09
SHA1 hash: c3b89b67a6ee31d3ba54f609ae57ba6b437452e7
MD5 hash: 728da2d55621743a363dc82020a55ae1
humanhash: single-friend-april-hawaii
File name:728da2d55621743a363dc82020a55ae1.exe
Download: download sample
Signature Socks5Systemz
File size:314'880 bytes
First seen:2024-03-21 03:30:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 778ccad6990ff49005ab127aaa21897f (4 x Stealc, 1 x Socks5Systemz)
ssdeep 3072:O7sT4N/iCg6+gcK+EXxsryQo+lcHkLZAlS8hPHLzIDAZJQPwp3/kQpnAG:Pz6JxOyQo8cHyKlRPA02SvkQZJ
TLSH T1F3645A0375E2ECB1D1A203314F2DC9E8772EFC665D66875723887E0E39711A1DA63B62
TrID 37.3% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
15.9% (.EXE) Win32 Executable (generic) (4504/4/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.1% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 0008d1b191b4a388 (1 x Socks5Systemz)
Reporter abuse_ch
Tags:exe Socks5Systemz


Avatar
abuse_ch
Socks5Systemz C2:
http://185.172.128.209/3cd2b41cbde8fc9c.php

Intelligence


File Origin
# of uploads :
1
# of downloads :
432
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
99da032df6087e2b3bfdda0d1d0fcc9f959b58eec7772e21203fc38348256108.exe
Verdict:
Malicious activity
Analysis date:
2024-03-21 03:32:16 UTC
Tags:
loader smoke smokeloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Connection attempt to an infection source
Query of malicious DNS domain
Unauthorized injection to a system process
Enabling autorun by creating a file
Sending an HTTP POST request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint smokeloader
Result
Threat name:
LummaC, Glupteba, LummaC Stealer, Mars S
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Checks if the current machine is a virtual machine (disk enumeration)
Creates a thread in another existing process (thread injection)
Deletes itself after installation
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Found Tor onion address
Hides that the sample has been downloaded from the Internet (zone.identifier)
LummaC encrypted strings found
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
PE file contains section with special chars
Query firmware table information (likely to detect VMs)
Sample uses string decryption to hide its real strings
Sigma detected: Bypass UAC via Fodhelper.exe
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes / dynamic malware analysis system (file name check)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Crypto Currency Wallets
Tries to steal Mail credentials (via file / registry access)
UAC bypass detected (Fodhelper)
Yara detected Glupteba
Yara detected LummaC Stealer
Yara detected Mars stealer
Yara detected SmokeLoader
Yara detected Socks5Systemz
Yara detected Stealc
Yara detected UAC Bypass using CMSTP
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1412850 Sample: woM8Z8CFYx.exe Startdate: 21/03/2024 Architecture: WINDOWS Score: 100 140 selebration17io.io 2->140 142 resergvearyinitiani.shop 2->142 144 3 other IPs or domains 2->144 192 Snort IDS alert for network traffic 2->192 194 Multi AV Scanner detection for domain / URL 2->194 196 Found malware configuration 2->196 198 21 other signatures 2->198 15 woM8Z8CFYx.exe 2->15         started        18 cgrisdu 2->18         started        20 scrisdu 2->20         started        22 4 other processes 2->22 signatures3 process4 signatures5 240 Detected unpacking (changes PE section rights) 15->240 242 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 15->242 244 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 15->244 24 explorer.exe 60 15 15->24 injected 246 Multi AV Scanner detection for dropped file 18->246 248 Maps a DLL or memory area into another process 18->248 250 Checks if the current machine is a virtual machine (disk enumeration) 18->250 252 Creates a thread in another existing process (thread injection) 20->252 29 WerFault.exe 22->29         started        process6 dnsIp7 158 nidoe.org 186.13.17.220 TechtelLMDSComunicacionesInteractivasSAAR Argentina 24->158 160 selebration17io.io 91.215.85.120, 49735, 80 PINDC-ASRU Russian Federation 24->160 162 2 other IPs or domains 24->162 112 C:\Users\user\AppData\Roaming\scrisdu, PE32 24->112 dropped 114 C:\Users\user\AppData\Roaming\cgrisdu, PE32 24->114 dropped 116 C:\Users\user\AppData\Local\Temp\F0A2.dll, PE32 24->116 dropped 118 5 other malicious files 24->118 dropped 216 System process connects to network (likely due to code injection or exploit) 24->216 218 Benign windows process drops PE files 24->218 220 Deletes itself after installation 24->220 222 Hides that the sample has been downloaded from the Internet (zone.identifier) 24->222 31 DC4D.exe 5 24->31         started        35 B635.exe 24->35         started        38 CE14.exe 24->38         started        40 2 other processes 24->40 file8 signatures9 process10 dnsIp11 134 C:\Users\user\AppData\Local\Temp\april.exe, PE32 31->134 dropped 136 C:\Users\user\AppData\Local\...\ISetup4.exe, PE32 31->136 dropped 138 C:\...\288c47bbc1871b439df19ff4df68f076.exe, PE32 31->138 dropped 170 Multi AV Scanner detection for dropped file 31->170 42 ISetup4.exe 1 3 31->42         started        47 april.exe 31->47         started        49 288c47bbc1871b439df19ff4df68f076.exe 31->49         started        146 resergvearyinitiani.shop 172.67.217.100, 443, 49736, 49737 CLOUDFLARENETUS United States 35->146 172 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 35->172 174 Query firmware table information (likely to detect VMs) 35->174 176 Found many strings related to Crypto-Wallets (likely being stolen) 35->176 186 4 other signatures 35->186 178 Antivirus detection for dropped file 38->178 180 Detected unpacking (changes PE section rights) 38->180 182 Machine Learning detection for dropped file 38->182 188 4 other signatures 38->188 184 Tries to detect virtualization through RDTSC time measurements 40->184 51 regsvr32.exe 40->51         started        file12 signatures13 process14 dnsIp15 164 185.172.128.126 NADYMSS-ASRU Russian Federation 42->164 166 185.172.128.187 NADYMSS-ASRU Russian Federation 42->166 168 185.172.128.90 NADYMSS-ASRU Russian Federation 42->168 120 C:\Users\user\AppData\Local\Temp\u52k.1.exe, PE32 42->120 dropped 122 C:\Users\user\AppData\Local\Temp\u52k.0.exe, PE32 42->122 dropped 224 Multi AV Scanner detection for dropped file 42->224 226 Detected unpacking (changes PE section rights) 42->226 228 Detected unpacking (overwrites its own PE header) 42->228 53 u52k.0.exe 42->53         started        58 u52k.1.exe 42->58         started        60 WerFault.exe 42->60         started        124 C:\Users\user\AppData\Local\...\april.tmp, PE32 47->124 dropped 62 april.tmp 47->62         started        230 Antivirus detection for dropped file 49->230 232 UAC bypass detected (Fodhelper) 49->232 234 Machine Learning detection for dropped file 49->234 238 2 other signatures 49->238 64 cmd.exe 49->64         started        236 Tries to detect sandboxes / dynamic malware analysis system (file name check) 51->236 file16 signatures17 process18 dnsIp19 148 185.172.128.209 NADYMSS-ASRU Russian Federation 53->148 150 185.172.128.65 NADYMSS-ASRU Russian Federation 53->150 104 C:\Users\user\AppData\...\IDAKJKEHDB.exe, PE32 53->104 dropped 106 C:\Users\user\AppData\...\softokn3[1].dll, PE32 53->106 dropped 108 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 53->108 dropped 110 11 other files (7 malicious) 53->110 dropped 206 Multi AV Scanner detection for dropped file 53->206 208 Detected unpacking (changes PE section rights) 53->208 210 Detected unpacking (overwrites its own PE header) 53->210 214 6 other signatures 53->214 152 svc.iolo.com 20.157.87.45 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 58->152 212 Checks if the current machine is a virtual machine (disk enumeration) 58->212 66 april.exe 62->66         started        69 fodhelper.exe 64->69         started        71 conhost.exe 64->71         started        73 fodhelper.exe 64->73         started        75 fodhelper.exe 64->75         started        file20 signatures21 process22 file23 100 C:\Users\user\AppData\Local\...\april.tmp, PE32 66->100 dropped 77 april.tmp 66->77         started        80 288c47bbc1871b439df19ff4df68f076.exe 69->80         started        process24 file25 126 C:\Users\user\AppData\...\unins000.exe (copy), PE32 77->126 dropped 128 C:\Users\user\...\libwinpthread-1.dll (copy), PE32 77->128 dropped 130 C:\Users\user\...\libvorbis-0.dll (copy), PE32 77->130 dropped 132 15 other files (14 malicious) 77->132 dropped 83 djedit.exe 77->83         started        87 djedit.exe 77->87         started        190 Found Tor onion address 80->190 90 288c47bbc1871b439df19ff4df68f076.exe 80->90         started        92 powershell.exe 80->92         started        signatures26 process27 dnsIp28 102 C:\...\PrintWorkflow 1.34.199.64.exe, PE32 83->102 dropped 200 Multi AV Scanner detection for dropped file 83->200 202 Detected unpacking (changes PE section rights) 83->202 204 Detected unpacking (overwrites its own PE header) 83->204 154 bnqxwrw.com 195.16.74.230 GTT-BACKBONEGTTDE Russian Federation 87->154 156 88.80.148.19 BELCLOUDBG Bulgaria 87->156 94 powershell.exe 90->94         started        96 conhost.exe 92->96         started        file29 signatures30 process31 process32 98 conhost.exe 94->98         started       
Threat name:
Win32.Trojan.SmokeLoader
Status:
Malicious
First seen:
2024-03-21 01:04:36 UTC
File Type:
PE (Exe)
Extracted files:
32
AV detection:
25 of 36 (69.44%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:glupteba family:lumma family:smokeloader family:stealc family:zgrat botnet:pub1 backdoor bootkit discovery dropper evasion loader persistence rat spyware stealer trojan upx
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Creates scheduled task(s)
Modifies data under HKEY_USERS
Modifies system certificate store
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Program crash
Checks for VirtualBox DLLs, possible anti-VM trick
Drops file in Windows directory
Launches sc.exe
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Writes to the Master Boot Record (MBR)
Checks computer location settings
Deletes itself
Executes dropped EXE
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
UPX packed file
Windows security modification
Downloads MZ/PE file
Modifies Windows Firewall
Detect ZGRat V1
Glupteba
Glupteba payload
Lumma Stealer
SmokeLoader
Stealc
Windows security bypass
ZGRat
Malware Config
C2 Extraction:
http://selebration17io.io/index.php
http://vacantion18ffeu.cc/index.php
http://valarioulinity1.net/index.php
http://buriatiarutuhuob.net/index.php
http://cassiosssionunu.me/index.php
http://sulugilioiu19.net/index.php
http://goodfooggooftool.net/index.php
http://nidoe.org/tmp/index.php
http://sodez.ru/tmp/index.php
http://uama.com.ua/tmp/index.php
http://talesofpirates.net/tmp/index.php
https://resergvearyinitiani.shop/api
https://relevantvoicelesskw.shop/api
Unpacked files
SH256 hash:
e23e8cfb01d2dff9f88d9a351e78867af0b6065371e4dd0324cbe2288927ea80
MD5 hash:
3a4ed517bb6f47b9b9b93ffdd002d5ea
SHA1 hash:
b4ba36d60c7f0c7c2516b6678d3c14993182de2a
Detections:
SmokeLoaderStage2 win_smokeloader_a2
Parent samples :
a52bf253f87035bf054f9ceb9a7296b980537fa478a09b4f1ae000b819ba5e29
d7567c94d64fc05b847558d0308b54df1a716fcbe45a480ade6f2987a5ebbaef
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f995e7b6121391a9214a3f3068a1d0ce7ccace5ff86a12bb51c8f9ae325b1d0a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 hash:
99da032df6087e2b3bfdda0d1d0fcc9f959b58eec7772e21203fc38348256108
MD5 hash:
728da2d55621743a363dc82020a55ae1
SHA1 hash:
c3b89b67a6ee31d3ba54f609ae57ba6b437452e7
Malware family:
SmokeLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:pe_no_import_table
Description:Detect pe file that no import table

File information


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

Web download

Socks5Systemz

Executable exe 99da032df6087e2b3bfdda0d1d0fcc9f959b58eec7772e21203fc38348256108

(this sample)

  
Delivery method
Distributed via web download

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
AUTH_APIManipulates User AuthorizationUSER32.dll::SetUserObjectSecurity
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::FindNextVolumeMountPointA
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetVolumeInformationA
KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::PeekConsoleInputA
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::ReadConsoleOutputCharacterW
KERNEL32.dll::SetConsoleCtrlHandler
KERNEL32.dll::SetStdHandle
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::CreateFileA
KERNEL32.dll::GetWindowsDirectoryA
KERNEL32.dll::RemoveDirectoryW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::QueryDosDeviceA

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