MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 76ddb4ce3f5cd5acfb557992f5265860300bf0413420ad2cae09a003209ce797. 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


GCleaner


Vendor detections: 12


Intelligence 12 IOCs YARA 7 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 76ddb4ce3f5cd5acfb557992f5265860300bf0413420ad2cae09a003209ce797
SHA3-384 hash: 5ff83f7fe2eab297b60635e00a1714591e710b2cd7da92cb7752baa7722b6e8cd24e603fb6ec6d01792a8a1caf451302
SHA1 hash: 77fef4af7246d72dd7a4c7c51c65ad6fd92f577b
MD5 hash: 88040498559fef74d0d1fb54ff46589b
humanhash: snake-pennsylvania-carbon-six
File name:88040498559fef74d0d1fb54ff46589b
Download: download sample
Signature GCleaner
Create hunting rule
File size:290'816 bytes
First seen:2024-05-14 23:43:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 732e2108205edc05bec98038c5359d63 (2 x Amadey, 1 x GCleaner)
ssdeep 3072:VQPH0IxBG+nvYyTf0prP4+sBE1he07IIiBJUuTWkqIa0/AGvYY7e6sO+q2Q6jR9g:05vxOAwhCIqv6kb/AUTe1OhGrzM7+6i
TLSH T1EB54CF117AE1E035E5B3063588B489A50B7BFD325E71AB4B7398370F6D712E09E22763
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon 9200ccc8d4e87192 (1 x GCleaner)
Reporter zbetcheckin
Tags:32 exe gcleaner

Intelligence

File Origin
# of uploads :
1
# of downloads :
354
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
76ddb4ce3f5cd5acfb557992f5265860300bf0413420ad2cae09a003209ce797.exe
Verdict:
Malicious activity
Analysis date:
2024-05-14 23:45:54 UTC
Tags:
gcleaner loader
Link:
https://app.any.run/tasks/0569abd0-cdd1-4f4c-99ae-3acfaaa05589

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packer.pkr_ce1a-9980177-0
Create hunting rule

Gathering data
Result
Verdict:
Clean
Maliciousness:
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6643f743b8652ad994a92136/reports/9e404acc-016b-4405-b36b-964e872e23bc/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/76ddb4ce3f5cd5acfb557992f5265860300bf0413420ad2cae09a003209ce797
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.
Malware family:
STOP Ransomware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/16709374-ca5b-400f-afef-315aacd50896
Result
Threat name:
GCleaner, Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1441695
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected GCleaner
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1441695 Sample: etX13j8U1t.exe Startdate: 15/05/2024 Architecture: WINDOWS Score: 100 25 Found malware configuration 2->25 27 Malicious sample detected (through community Yara rule) 2->27 29 Antivirus / Scanner detection for submitted sample 2->29 31 5 other signatures 2->31 7 etX13j8U1t.exe 14 2->7         started        process3 dnsIp4 23 185.172.128.90, 49730, 80 NADYMSS-ASRU Russian Federation 7->23 33 Detected unpacking (changes PE section rights) 7->33 35 Detected unpacking (overwrites its own PE header) 7->35 11 cmd.exe 7->11         started        13 WerFault.exe 16 7->13         started        15 WerFault.exe 16 7->15         started        17 9 other processes 7->17 signatures5 process6 process7 19 conhost.exe 11->19         started        21 taskkill.exe 11->21         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/76ddb4ce3f5cd5acfb557992f5265860300bf0413420ad2cae09a003209ce797
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/76ddb4ce3f5cd5acfb557992f5265860300bf0413420ad2cae09a003209ce797/
Threat name:
Win32.Trojan.Amadey
Create hunting rule
Status:
Malicious
First seen:
2024-05-14 23:20:58 UTC
File Type:
PE (Exe)
Extracted files:
20
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=o3o3jtr7ltk2z62vpgjpkjsymayax4cbgqqk2lfobgqagie446lq._file
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner loader
Link:
https://tria.ge/reports/240514-3q5qcafa28/
Behaviour
Kills process with taskkill
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Checks computer location settings
Deletes itself
GCleaner
Malware Config
C2 Extraction:
185.172.128.90
5.42.64.56
5.42.65.64
Unpacked files
SH256 hash:
76ddb4ce3f5cd5acfb557992f5265860300bf0413420ad2cae09a003209ce797
MD5 hash:
88040498559fef74d0d1fb54ff46589b
SHA1 hash:
77fef4af7246d72dd7a4c7c51c65ad6fd92f577b
Link:
https://www.unpac.me/results/0e324525-b5ca-4993-81e0-2b8af9f96636/
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/76ddb4ce3f5cd5acfb557992f5265860300bf0413420ad2cae09a003209ce797

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:Check_OutputDebugStringA_iat
Create hunting rule
Rule name:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
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:Windows_Trojan_Generic_2993e5a5
Create hunting rule
Author:Elastic Security
Rule name:win_gcleaner_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.gcleaner.

File information

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

Web download

GCleaner

Executable exe 76ddb4ce3f5cd5acfb557992f5265860300bf0413420ad2cae09a003209ce797

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2850334/

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_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetVolumeInformationA
KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::WriteConsoleA
KERNEL32.dll::ReadConsoleInputA
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasW
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateHardLinkW
KERNEL32.dll::CreateFileW
KERNEL32.dll::GetWindowsDirectoryW
KERNEL32.dll::GetSystemDirectoryA
KERNEL32.dll::RemoveDirectoryA
KERNEL32.dll::BackupWrite
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameA

Comments


Avatar
zbet commented on 2024-05-14 23:43:42 UTC

url : hxxp://5.42.67.23/dl.php?pub=mixfive/