MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1c17f70cfd875c4780045bf42e6fa42c98a23b51e7869774f6c388dde6c50f77. 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 1 YARA 2 File information Comments

SHA256 hash: 1c17f70cfd875c4780045bf42e6fa42c98a23b51e7869774f6c388dde6c50f77
SHA3-384 hash: 5131d2b66798d0ad0c589c6416d5c15397c64869cb67bf6693da13cc276d5e7acce62ccd6d505d327bcb36bff68ffcfa
SHA1 hash: 40f81c46df2c9da0157bc9a9270c9a171db284c9
MD5 hash: a50c051c3beb22a0f9ce8694fb4d0bab
humanhash: monkey-twelve-spring-eight
File name:a50c051c3beb22a0f9ce8694fb4d0bab.exe
Download: download sample
Signature Socks5Systemz
File size:245'760 bytes
First seen:2024-10-11 04:35:14 UTC
Last seen:2024-10-11 05:27:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash a1500beb43e4667491e27fdba1510118 (1 x Socks5Systemz)
ssdeep 3072:NI34v/yndPSaFnG1uHO5nXo9WjlkwZWjKq+AZ/XR:C3qKpTFdWBkwZWLH
Threatray 2'672 similar samples on MalwareBazaar
TLSH T1DB344B5176F2A056FBB7C975BD79D694193BFCE2AA70817E11002A3F1871EB08D42B23
TrID 46.6% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
25.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
8.5% (.EXE) Win64 Executable (generic) (10522/11/4)
5.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
File icon (PE):PE icon
dhash icon 1048c6222a884010 (1 x Socks5Systemz)
Reporter abuse_ch
Tags:exe Socks5Systemz


Avatar
abuse_ch
Socks5Systemz C2:
http://91.211.249.223/456e447e968afe0e.php

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://91.211.249.223/456e447e968afe0e.php https://threatfox.abuse.ch/ioc/1335544/

Intelligence


File Origin
# of uploads :
2
# of downloads :
405
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a50c051c3beb22a0f9ce8694fb4d0bab.exe
Verdict:
Malicious activity
Analysis date:
2024-10-11 04:37:19 UTC
Tags:
loader smokeloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Clean
Score:
89.3%
Tags:
phishing hype onli
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
SmokeLoader
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
AI detected suspicious sample
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)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected SmokeLoader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1531374 Sample: wBgwzVbZuV.exe Startdate: 11/10/2024 Architecture: WINDOWS Score: 100 39 nwgrus.ru 2->39 41 ninjahallnews.com 2->41 43 fallhandbat.com 2->43 45 Multi AV Scanner detection for domain / URL 2->45 47 Suricata IDS alerts for network traffic 2->47 49 Found malware configuration 2->49 51 6 other signatures 2->51 8 wBgwzVbZuV.exe 2->8         started        11 wehrbbi 2->11         started        13 rghrbbi 2->13         started        15 2 other processes 2->15 signatures3 process4 signatures5 69 Detected unpacking (changes PE section rights) 8->69 71 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 8->71 73 Maps a DLL or memory area into another process 8->73 17 explorer.exe 58 6 8->17 injected 75 Multi AV Scanner detection for dropped file 11->75 77 Machine Learning detection for dropped file 11->77 79 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 11->79 81 Checks if the current machine is a virtual machine (disk enumeration) 13->81 83 Creates a thread in another existing process (thread injection) 13->83 85 Switches to a custom stack to bypass stack traces 13->85 process6 dnsIp7 33 186.233.231.45, 50855, 50856, 50857 SolucaoNetworkProvedorLtdaBR Brazil 17->33 35 23.145.40.164, 443, 50575 SURFAIRWIRELESS-IN-01US Reserved 17->35 37 nwgrus.ru 116.58.10.60, 50549, 50550, 50551 NEXLINX-AS-APAutonomousSystemNumberforNexlinxPK Pakistan 17->37 25 C:\Users\user\AppData\Roaming\wehrbbi, PE32 17->25 dropped 27 C:\Users\user\AppData\Roaming\rghrbbi, PE32 17->27 dropped 29 C:\Users\user\AppData\Local\Temp\F421.exe, PE32 17->29 dropped 31 C:\Users\user\...\wehrbbi:Zone.Identifier, ASCII 17->31 dropped 53 System process connects to network (likely due to code injection or exploit) 17->53 55 Benign windows process drops PE files 17->55 57 Deletes itself after installation 17->57 59 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->59 22 F421.exe 17->22         started        file8 signatures9 process10 signatures11 61 Detected unpacking (changes PE section rights) 22->61 63 Machine Learning detection for dropped file 22->63 65 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 22->65 67 5 other signatures 22->67
Threat name:
Win32.Trojan.SmokeLoader
Status:
Malicious
First seen:
2024-10-11 04:36:05 UTC
File Type:
PE (Exe)
Extracted files:
63
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:smokeloader botnet:pub1 backdoor discovery trojan
Behaviour
Checks SCSI registry key(s)
Program crash
System Location Discovery: System Language Discovery
SmokeLoader
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
1c17f70cfd875c4780045bf42e6fa42c98a23b51e7869774f6c388dde6c50f77
MD5 hash:
a50c051c3beb22a0f9ce8694fb4d0bab
SHA1 hash:
40f81c46df2c9da0157bc9a9270c9a171db284c9
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

File information


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

Web download

Socks5Systemz

Executable exe 1c17f70cfd875c4780045bf42e6fa42c98a23b51e7869774f6c388dde6c50f77

(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
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::DeleteVolumeMountPointA
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::ReadConsoleOutputW
KERNEL32.dll::WriteConsoleOutputCharacterA
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasExesLengthA
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleAliasesLengthW
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::MoveFileW
KERNEL32.dll::GetFileAttributesA
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
KERNEL32.dll::QueryDosDeviceW

Comments