MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31c85a75181aaacb26b304987e11920b59fadea48f15dc6996c4e5d48a1b41e0. 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


Threat unknown


Vendor detections: 13


Intelligence 13 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 31c85a75181aaacb26b304987e11920b59fadea48f15dc6996c4e5d48a1b41e0
SHA3-384 hash: 152ef8b56cc04fcb848ddad388f46858dd77f7292352760cfb815c757a3820e18ee6ebae1ff2f4787b4551a5532b9a1f
SHA1 hash: 3096643a168bcc2841592c676237aa6f1132ce4c
MD5 hash: 950c13286d42ad2da05b1778c1e2d747
humanhash: quebec-zulu-winner-georgia
File name:client1.exe
Download: download sample
File size:11'677'281 bytes
First seen:2024-11-04 08:47:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 0b5552dccd9d0a834cea55c0c8fc05be (16 x LunaLogger, 16 x BlankGrabber, 8 x CrealStealer)
ssdeep 196608:RCtKucDPzMsVerPYVnN/SMFmHxbAQvVwejuJDUX47dwdW0uBJ1LJHD2g1YPeZNt/:QKgPYVnNSMsxNaUX47d4YbZfg4
TLSH T1B3C633A856B10DE7DDACD239D0E189506772BC660BF0E38F03A581722F73BE5A435729
TrID 48.7% (.EXE) Win64 Executable (generic) (10522/11/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
File icon (PE):PE icon
dhash icon c6c2ccc4f4e0e0f8 (37 x PythonStealer, 21 x CrealStealer, 19 x Empyrean)
Reporter lontze7
Tags:exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
354
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
client1.exe
Verdict:
Malicious activity
Analysis date:
2024-11-04 09:06:18 UTC
Tags:
evasion pyinstaller
Link:
https://app.any.run/tasks/19bdc7bf-9dda-4acc-8deb-a0f099985e1e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.HEUR.Trojan-PSW.Python.Agent.gen.8588.26986.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67288a498d23d904913354b2
Tags:
powershell vmdetect
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% subdirectories
Restart of the analyzed sample
Connection attempt
Running batch commands
Creating a process with a hidden window
Launching a process
DNS request
Sending an HTTP GET request
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
expand lolbin microsoft_visual_cc overlay packed packed packer_detected pyinstaller pyinstaller
Link:
https://www.filescan.io/uploads/67288a44038b20adaa304c9c/reports/2e1e5f7f-d24b-4f0b-a403-6f57821cef94/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/31c85a75181aaacb26b304987e11920b59fadea48f15dc6996c4e5d48a1b41e0
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/3035f28b-e228-4daf-884c-b661cd3fa39c
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1548293
Signature
AI detected suspicious sample
Machine Learning detection for sample
Potentially malicious time measurement code found
Uses known network protocols on non-standard ports
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1548293 Sample: client1.exe Startdate: 04/11/2024 Architecture: WINDOWS Score: 56 35 ifconfig.co 2->35 43 Machine Learning detection for sample 2->43 45 Uses known network protocols on non-standard ports 2->45 47 AI detected suspicious sample 2->47 9 client1.exe 43 2->9         started        signatures3 process4 file5 27 C:\Users\user\AppData\...\unicodedata.pyd, PE32+ 9->27 dropped 29 C:\Users\...\_speedups.cp311-win_amd64.pyd, PE32+ 9->29 dropped 31 C:\Users\user\AppData\Local\...\select.pyd, PE32+ 9->31 dropped 33 20 other files (none is malicious) 9->33 dropped 49 Potentially malicious time measurement code found 9->49 13 client1.exe 2 9->13         started        signatures6 process7 dnsIp8 41 146.70.87.211, 49706, 49710, 49711 TENET-1ZA United Kingdom 13->41 16 cmd.exe 1 13->16         started        18 cmd.exe 1 13->18         started        process9 process10 20 curl.exe 1 16->20         started        23 conhost.exe 16->23         started        25 conhost.exe 18->25         started        dnsIp11 37 ifconfig.co 172.67.168.106, 49709, 80 CLOUDFLARENETUS United States 20->37 39 127.0.0.1 unknown unknown 20->39
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/31c85a75181aaacb26b304987e11920b59fadea48f15dc6996c4e5d48a1b41e0
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/31c85a75181aaacb26b304987e11920b59fadea48f15dc6996c4e5d48a1b41e0/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2024-11-04 08:48:07 UTC
File Type:
PE+ (Exe)
Extracted files:
792
AV detection:
7 of 38 (18.42%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ghefu5iydkvmwjvtasmh4emsbnm7vxver4k5y2mwyts5jcq3ihqa._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
pyinstaller
Link:
https://tria.ge/reports/241104-kqe6ks1jbk/
Behaviour
Suspicious use of WriteProcessMemory
Loads dropped DLL
Verdict:
Suspicious
Tags:
trojan
YARA:
SUSP_Imphash_Mar23_3
Link:
https://app.threat.zone/submission/3fa1424d-fbe1-4509-9c64-ab337a8dd1ad
Unpacked files
SH256 hash:
31c85a75181aaacb26b304987e11920b59fadea48f15dc6996c4e5d48a1b41e0
MD5 hash:
950c13286d42ad2da05b1778c1e2d747
SHA1 hash:
3096643a168bcc2841592c676237aa6f1132ce4c
Link:
https://www.unpac.me/results/ae42f667-150b-44b1-b482-065a66474f66/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/31c85a75181aaacb26b304987e11920b59fadea48f15dc6996c4e5d48a1b41e0

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:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:PyInstaller
Create hunting rule
Author:@bartblaze
Description:Identifies executable converted using PyInstaller.
Rule name:SUSP_Imphash_Mar23_3
Create hunting rule
Author:Arnim Rupp (https://github.com/ruppde)
Description:Detects imphash often found in malware samples (Maximum 0,25% hits with search for 'imphash:x p:0' on Virustotal) = 99,75% hits
Reference:Internal Research
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.

Web download

Executable exe 31c85a75181aaacb26b304987e11920b59fadea48f15dc6996c4e5d48a1b41e0

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3275481/

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 (FORCE_INTEGRITY)high
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::ConvertSidToStringSidW
ADVAPI32.dll::ConvertStringSecurityDescriptorToSecurityDescriptorW
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::GetTokenInformation
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetDriveTypeW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineW
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetConsoleCtrlHandler
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::RemoveDirectoryW
KERNEL32.dll::SetDllDirectoryW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::CreateWindowExW

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