MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b9bb0fbf31ab1255b32317e29a8ca35610f1ece16397e3465ef656363c519259. 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: 11


Intelligence 11 IOCs YARA 1 File information Comments

SHA256 hash: b9bb0fbf31ab1255b32317e29a8ca35610f1ece16397e3465ef656363c519259
SHA3-384 hash: 45a88dc88ac52a02f42e653875fac795dc278ebf7477258f06b8aad600175e36c831d763467ef64b79e996c0cc6d8054
SHA1 hash: 97a99a2e8d19c8f66e3b0fc6220bc2545ee26d91
MD5 hash: d0a116d285efffaee97c3a7b92f2a5d8
humanhash: kansas-massachusetts-rugby-jupiter
File name:tuc5.exe
Download: download sample
Signature Socks5Systemz
File size:7'280'524 bytes
First seen:2023-12-10 16:06:01 UTC
Last seen:2023-12-10 17:45:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'462 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 196608:rxnTNzjsOzc7TGHscDgcXbIdslX38dgFYJzj:BNztzQlcDPXus98d9Jzj
TLSH T13F7633A3AA51E2B2C140CDFC2DA3C058D25739239E248E6E254EA5DEE77E751180FF71
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) (4505/5/1)
1.4% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon b298acbab2ca7a72 (2'327 x GCleaner, 1'631 x Socks5Systemz, 67 x RedLineStealer)
Reporter Xev
Tags:exe Socks5Systemz

Intelligence


File Origin
# of uploads :
2
# of downloads :
249
Origin country :
GR GR
Vendor Threat Intelligence
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 in the Program Files subdirectories
Moving a file to the Program Files subdirectory
Launching a process
Modifying a system file
Creating a file
Creating a service
Launching the process to interact with network services
Enabling autorun for a service
Gathering data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control installer lolbin overlay packed shell32
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:
Petite Virus, Socks5Systemz
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Contains functionality to infect the boot sector
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file has nameless sections
Snort IDS alert for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Petite Virus
Yara detected Socks5Systemz
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1357366 Sample: tuc5.exe Startdate: 10/12/2023 Architecture: WINDOWS Score: 100 47 Snort IDS alert for network traffic 2->47 49 Antivirus / Scanner detection for submitted sample 2->49 51 Multi AV Scanner detection for dropped file 2->51 53 7 other signatures 2->53 8 tuc5.exe 2 2->8         started        process3 file4 33 C:\Users\user\AppData\Local\Temp\...\tuc5.tmp, PE32 8->33 dropped 11 tuc5.tmp 17 76 8->11         started        process5 file6 35 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 11->35 dropped 37 C:\Users\user\AppData\Local\...\_isdecmp.dll, PE32 11->37 dropped 39 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 11->39 dropped 41 56 other files (5 malicious) 11->41 dropped 55 Uses schtasks.exe or at.exe to add and modify task schedules 11->55 15 crtgame.exe 1 15 11->15         started        18 crtgame.exe 1 2 11->18         started        21 net.exe 1 11->21         started        23 schtasks.exe 1 11->23         started        signatures7 process8 dnsIp9 43 bumwaui.com 185.196.8.22, 49734, 49737, 49739 SIMPLECARRER2IT Switzerland 15->43 45 95.216.227.177, 2023, 49735, 49738 HETZNER-ASDE Germany 15->45 31 C:\ProgramData\...\SHelperTrack.exe, PE32 18->31 dropped 25 conhost.exe 21->25         started        27 net1.exe 1 21->27         started        29 conhost.exe 23->29         started        file10 process11
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2023-12-10 18:06:30 UTC
AV detection:
10 of 23 (43.48%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Behaviour
Runs net.exe
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Checks installed software on the system
Executes dropped EXE
Loads dropped DLL
Unexpected DNS network traffic destination
Unpacked files
SH256 hash:
27397adf3aea86a5cec153df1433b0a4f470b087760105ae6272582311a51791
MD5 hash:
a76fe96f064d651ac1f7e6a979ebac6c
SHA1 hash:
fc7811aa34522f347c6dfc7ef6b06ba1714880d6
SH256 hash:
2eee5ab20d4d71c5219a10179462533a520aed991de3b78e51c249a4b481109d
MD5 hash:
184d9690d41ac398c3279da20a892dc1
SHA1 hash:
f3c1edcc78f9909eba13a4d75754b4d616aad6e5
SH256 hash:
b93c816d369ffc498079fcb57eaa1c5fce7bbaf0bc1644093573c771a36fe7ff
MD5 hash:
bbf688d28db6d1d459d1eadabb83993f
SHA1 hash:
797af306e119fc6fc81d7493e6225f45645ee473
SH256 hash:
d45c38ed241a4b25021ba4d2097d321007ab3f02009fa8697d6b23800c3d2f80
MD5 hash:
5dc4a038e54a41ca3caf3e1a217309a6
SHA1 hash:
0aa3a8adac11e4cab221f31f8f6f4e56cb942802
SH256 hash:
b9bb0fbf31ab1255b32317e29a8ca35610f1ece16397e3465ef656363c519259
MD5 hash:
d0a116d285efffaee97c3a7b92f2a5d8
SHA1 hash:
97a99a2e8d19c8f66e3b0fc6220bc2545ee26d91
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:shellcode
Author:nex
Description:Matched shellcode byte patterns

File information


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

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