MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21653e267a6c7e4f10064ad2489dba54e04612cc7ce4043b8c8dcaf8b39210d6. 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: 12


Intelligence 12 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 21653e267a6c7e4f10064ad2489dba54e04612cc7ce4043b8c8dcaf8b39210d6
SHA3-384 hash: 03ef0a71b4f3129258ec32c97510048fdcc2fee65d7a80a6e3e91e1bda02ae0f88ea3b94f5dffbf2f2eb7cdf7a7e8386
SHA1 hash: 7f2926391a51b74cc4c04bd17f6bf2d49b82ffc1
MD5 hash: fc51476aef1c6e09809ce64319e4fdc4
humanhash: lithium-quebec-three-steak
File name:CrowdStrike Falcon.exe
Download: download sample
Signature PythonStealer
Create hunting rule
File size:72'888'341 bytes
First seen:2024-07-29 11:52:49 UTC
Last seen:2024-07-29 12:28:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 75e9596d74d063246ba6f3ac7c5369a0 (8 x DCRat, 5 x PythonStealer, 4 x CoinMiner)
ssdeep 1572864:tSQipY2O+Edvu72b8lbOrEeoU82zH1gzxa8dbTMCI2frtNxNkRxC2GePE:27O5b8lqIeoR2WXbACI2fHxNkbCPePE
TLSH T1F8F733269FB0B8B0D25507B3ED8DF77A5E6CB9743BBD92A74310140A54266C1307AF3A
TrID 91.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
3.6% (.EXE) Win64 Executable (generic) (10523/12/4)
1.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.5% (.EXE) Win32 Executable (generic) (4504/4/1)
0.6% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 9494b494d4aeaeac (832 x DCRat, 172 x RedLineStealer, 134 x CryptOne)
Reporter JAMESWT_WT
Tags:CrowdstrikeMalware2 exe PythonStealer

Intelligence

File Origin
# of uploads :
2
# of downloads :
336
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
CrowdStrike Falcon.exe
Verdict:
Malicious activity
Analysis date:
2024-07-29 11:53:52 UTC
Tags:
pastebin python crypto-regex evasion stealer qrcode
Link:
https://app.any.run/tasks/850c2020-5a9f-4999-ac83-86a49a411b12

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66a782ae46f80f37dcaa9f6f
Tags:
Banker Generic Other Stealth Agent Dexter
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file
Creating a process from a recently created file
Creating a file in the %temp% subdirectories
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Launching a process
Enabling the 'hidden' option for recently created files
Reading critical registry keys
DNS request
Connection attempt
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm epmicrosoft_visual_cc fingerprint installer lolbin microsoft_visual_cc miner overlay packed python setupapi sfx shdocvw shell32
Link:
https://www.filescan.io/uploads/66a782ad8f66298c01f451d2/reports/46520d0f-4ada-493e-98c0-90fd4f9c5928/overview
Verdict:
Malicious
Labled as:
Python_Agent_ARC
Link:
https://www.hybrid-analysis.com/sample/21653e267a6c7e4f10064ad2489dba54e04612cc7ce4043b8c8dcaf8b39210d6
Result
Verdict:
MALICIOUS
Result
Threat name:
Python Stealer
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1483984
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Connects to a pastebin service (likely for C&C)
Found pyInstaller with non standard icon
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Tries to harvest and steal browser information (history, passwords, etc)
Uses cmd line tools excessively to alter registry or file data
Writes a notice file (html or txt) to demand a ransom
Yara detected Generic Python Stealer
Yara detected Python Keylogger
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1483984 Sample: CrowdStrike Falcon.exe Startdate: 29/07/2024 Architecture: WINDOWS Score: 96 65 pastebin.com 2->65 67 mail.dshu.xyz 2->67 85 Antivirus / Scanner detection for submitted sample 2->85 87 Multi AV Scanner detection for submitted file 2->87 89 Yara detected Python Keylogger 2->89 95 2 other signatures 2->95 9 CrowdStrike Falcon.exe 6 2->9         started        12 Windows.exe 2->12         started        14 Windows.exe 2->14         started        signatures3 91 Connects to a pastebin service (likely for C&C) 65->91 93 Performs DNS queries to domains with low reputation 67->93 process4 file5 51 C:\Users\user\Desktop\Windows.exe, PE32+ 9->51 dropped 17 Windows.exe 1002 9->17         started        53 C:\Users\user\AppData\Local\...\zlib1.dll, PE32+ 12->53 dropped 55 C:\Users\user\AppData\Local\...\win32pdh.pyd, PE32+ 12->55 dropped 57 C:\Users\user\AppData\Local\...\win32gui.pyd, PE32+ 12->57 dropped 59 139 other files (none is malicious) 12->59 dropped 21 conhost.exe 12->21         started        97 Uses cmd line tools excessively to alter registry or file data 14->97 99 Found pyInstaller with non standard icon 14->99 23 Windows.exe 14->23         started        26 conhost.exe 14->26         started        signatures6 process7 dnsIp8 43 C:\Users\user\AppData\Local\...\zlib1.dll, PE32+ 17->43 dropped 45 C:\Users\user\AppData\Local\...\win32pdh.pyd, PE32+ 17->45 dropped 47 C:\Users\user\AppData\Local\...\win32gui.pyd, PE32+ 17->47 dropped 49 129 other files (none is malicious) 17->49 dropped 77 Uses cmd line tools excessively to alter registry or file data 17->77 79 Writes a notice file (html or txt) to demand a ransom 17->79 81 Found pyInstaller with non standard icon 17->81 28 Windows.exe 2 14 17->28         started        33 conhost.exe 17->33         started        69 104.20.3.235, 443, 49757, 49759 CLOUDFLARENETUS United States 23->69 83 Tries to harvest and steal browser information (history, passwords, etc) 23->83 file9 signatures10 process11 dnsIp12 71 mail.dshu.xyz 199.188.200.226, 49712, 49713, 49723 NAMECHEAP-NETUS United States 28->71 73 pastebin.com 172.67.19.24, 443, 49710, 49711 CLOUDFLARENETUS United States 28->73 75 139.99.232.135, 49715, 49718, 49720 OVHFR Canada 28->75 61 C:\Users\user\AppData\Roaming\...\Windows.exe, PE32+ 28->61 dropped 63 C:\Users\user\AppData\...\SettingsCache.txt, JSON 28->63 dropped 101 Uses cmd line tools excessively to alter registry or file data 28->101 103 Tries to harvest and steal browser information (history, passwords, etc) 28->103 35 attrib.exe 28->35         started        37 attrib.exe 28->37         started        39 attrib.exe 28->39         started        41 5 other processes 28->41 file13 signatures14 process15
Score:
79%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/21653e267a6c7e4f10064ad2489dba54e04612cc7ce4043b8c8dcaf8b39210d6
Gathering data
Threat name:
Win32.Trojan.Casdet
Create hunting rule
Status:
Malicious
First seen:
2024-04-23 15:39:42 UTC
File Type:
PE (Exe)
Extracted files:
2517
AV detection:
8 of 38 (21.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=efst4jt2nr7e6eagjljerhn2ktqemewmptsaio4mrxfprm4scdla._file
Verdict:
unknown
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery persistence
Link:
https://tria.ge/reports/240729-n2axsaxcpm/
Behaviour
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Adds Run key to start application
Checks installed software on the system
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/d9fef7c2-8639-434c-ab22-5e149062dec7
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
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SelfExtractingRAR
Create hunting rule
Author:Xavier Mertens
Description:Detects an SFX archive with automatic script execution
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:upxHook
Create hunting rule
Author:@r3dbU7z
Description:Detect artifacts from 'upxHook' - modification of UPX packer
Reference:https://bazaar.abuse.ch/sample/6352be8aa5d8063673aa428c3807228c40505004320232a23d99ebd9ef48478a/

File information

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

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
GDI_PLUS_APIInterfaces with Graphicsgdiplus.dll::GdiplusStartup
gdiplus.dll::GdiplusShutdown
gdiplus.dll::GdipAlloc
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AllocConsole
KERNEL32.dll::AttachConsole
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::FreeConsole
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
KERNEL32.dll::CreateFileW
KERNEL32.dll::CreateFileMappingW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::MoveFileExW

Comments