MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 90c757f5291c89a9f86ac63c59868538f3dea52b0d8555ec1445f63e50e219a3. 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



PythonStealer


Vendor detections: 11


Intelligence 11 IOCs YARA 5 File information Comments

SHA256 hash: 90c757f5291c89a9f86ac63c59868538f3dea52b0d8555ec1445f63e50e219a3
SHA3-384 hash: 4453636fa208d0fb66992852b8dae6f130ba1f43ddb83e584e2e96da313a0fdb19a7cfa6a09c67da74550ae57dbecd5a
SHA1 hash: ee3e10d35fc8b896ab38093353eac7369e047c14
MD5 hash: 0f789ef1e0dea753589a8611eb7754d6
humanhash: timing-artist-montana-monkey
File name:file
Download: download sample
Signature PythonStealer
File size:11'201'536 bytes
First seen:2024-01-05 17:05:50 UTC
Last seen:2024-02-02 20:42:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash a7b0793ae6dd3f16ef244d19e4de0c24 (17 x PythonStealer, 1 x CoinMiner, 1 x StinkStealer)
ssdeep 196608:+qcMiSikjE70vlcAj3LcVb1xf4Or0jtJqRcX4weHwDauwcbHZOZhD:+BMiSikg7mOAj3LE1r0jWeoweHEaK1W
TLSH T183B63338C5620CE6CD63F5B4E35228F3601BB9242B06CEB756C5F6A01667FA01F2DB65
TrID 41.1% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
26.1% (.EXE) Win64 Executable (generic) (10523/12/4)
12.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.1% (.ICL) Windows Icons Library (generic) (2059/9)
5.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter andretavare5
Tags:exe PythonStealer


Avatar
andretavare5
Sample downloaded from https://transfer.adttemp.com.br/get/kVqk9/build.exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
331
Origin country :
US US
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Running batch commands
Creating a process with a hidden window
Сreating synchronization primitives
Creating a file
Launching a process
Using the Windows Management Instrumentation requests
Searching for synchronization primitives
Enabling the 'hidden' option for recently created files
Creating a window
Searching for the window
Forced system process termination
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Changing a file
Reading critical registry keys
Launching the process to change network settings
Launching the process to interact with network services
Launching a tool to kill processes
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-debug expand lolbin packed shell32
Result
Verdict:
MALICIOUS
Result
Threat name:
Python Stealer
Detection:
malicious
Classification:
spre.phis.troj.spyw.evad
Score:
100 / 100
Signature
Bypasses PowerShell execution policy
DLL side loading technique detected
Encrypted powershell cmdline option found
Found many strings related to Crypto-Wallets (likely being stolen)
Gathers network related connection and port information
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the windows firewall
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Overwrites the password of the administrator account
Performs a network lookup / discovery via ARP
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Queries sensitive service information (via WMI, Win32_StartupCommand, often done to detect sandboxes)
Sigma detected: Capture Wi-Fi password
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal WLAN passwords
Uses cmd line tools excessively to alter registry or file data
Uses ipconfig to lookup or modify the Windows network settings
Uses netsh to modify the Windows network and firewall settings
Uses netstat to query active network connections and open ports
Yara detected Generic Python Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1370517 Sample: file.exe Startdate: 05/01/2024 Architecture: WINDOWS Score: 100 79 smartpoliceax.online 2->79 81 raw.githubusercontent.com 2->81 83 ip-api.com 2->83 103 Sigma detected: Capture Wi-Fi password 2->103 105 Multi AV Scanner detection for dropped file 2->105 107 Multi AV Scanner detection for submitted file 2->107 109 3 other signatures 2->109 10 file.exe 47 2->10         started        14 svchost.exe 2->14         started        signatures3 process4 file5 65 C:\Users\user\AppData\...\_quoting_c.pyd, PE32+ 10->65 dropped 67 C:\Users\user\AppData\...\vcruntime140.dll, PE32+ 10->67 dropped 69 C:\Users\user\AppData\...\unicodedata.pyd, PE32+ 10->69 dropped 71 32 other files (31 malicious) 10->71 dropped 127 Found many strings related to Crypto-Wallets (likely being stolen) 10->127 129 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->129 16 stub.exe 23 10->16         started        signatures6 process7 dnsIp8 73 ip-api.com 208.95.112.1, 49737, 80 TUT-ASUS United States 16->73 75 raw.githubusercontent.com 185.199.108.133, 443, 49738 FASTLYUS Netherlands 16->75 77 2 other IPs or domains 16->77 63 C:\Users\user\AppData\Local\...\Monster.exe, PE32+ 16->63 dropped 95 Found many strings related to Crypto-Wallets (likely being stolen) 16->95 97 Uses cmd line tools excessively to alter registry or file data 16->97 99 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 16->99 101 4 other signatures 16->101 21 cmd.exe 1 16->21         started        24 cmd.exe 16->24         started        26 cmd.exe 1 16->26         started        28 12 other processes 16->28 file9 signatures10 process11 signatures12 111 Uses cmd line tools excessively to alter registry or file data 21->111 113 Encrypted powershell cmdline option found 21->113 115 Bypasses PowerShell execution policy 21->115 125 3 other signatures 21->125 30 conhost.exe 21->30         started        117 Overwrites the password of the administrator account 24->117 119 Gathers network related connection and port information 24->119 121 Performs a network lookup / discovery via ARP 24->121 32 systeminfo.exe 24->32         started        35 net.exe 24->35         started        37 net.exe 24->37         started        45 16 other processes 24->45 39 WMIC.exe 1 26->39         started        41 conhost.exe 26->41         started        123 Tries to harvest and steal WLAN passwords 28->123 43 WMIC.exe 28->43         started        47 23 other processes 28->47 process13 signatures14 85 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 32->85 49 WmiPrvSE.exe 32->49         started        87 Overwrites the password of the administrator account 35->87 51 net1.exe 35->51         started        53 net1.exe 37->53         started        89 DLL side loading technique detected 39->89 91 Queries sensitive service information (via WMI, Win32_StartupCommand, often done to detect sandboxes) 39->91 93 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 39->93 55 quser.exe 45->55         started        57 net1.exe 45->57         started        59 net1.exe 45->59         started        61 net1.exe 45->61         started        process15
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2024-01-05 17:06:10 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
12 of 37 (32.43%)
Threat level:
  2/5
Verdict:
malicious
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Enumerates processes with tasklist
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Executes dropped EXE
Loads dropped DLL
Unpacked files
SH256 hash:
90c757f5291c89a9f86ac63c59868538f3dea52b0d8555ec1445f63e50e219a3
MD5 hash:
0f789ef1e0dea753589a8611eb7754d6
SHA1 hash:
ee3e10d35fc8b896ab38093353eac7369e047c14
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:BLOWFISH_Constants
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:DebuggerException__ConsoleCtrl
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:upxHook
Author:@r3dbU7z
Description:Detect artifacts from 'upxHook' - modification of UPX packer
Reference:https://bazaar.abuse.ch/sample/6352be8aa5d8063673aa428c3807228c40505004320232a23d99ebd9ef48478a/
Rule name:WHIRLPOOL_Constants
Author:phoul (@phoul)
Description:Look for WhirlPool constants

File information


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

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by

Comments