MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 373f1a98cafb50508a6310576eaaf8dff1a3da118a185306fcdb1973b6c7e355. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments 1

SHA256 hash: 373f1a98cafb50508a6310576eaaf8dff1a3da118a185306fcdb1973b6c7e355
SHA3-384 hash: 246e7d973a3ec4faef3cab7d247410acd4d13076a9579508b77e8dd7190e98ab2476f62f311f2d5ff3b68afee7564cae
SHA1 hash: 75bd90a4fd2dfe7871d8b280c6d71af8be22e0d1
MD5 hash: 3dcb5311eb6b7629271815485a5259ee
humanhash: robin-fourteen-hot-mike
File name:3dcb5311eb6b7629271815485a5259ee
Download: download sample
Signature GCleaner
File size:266'240 bytes
First seen:2024-07-10 22:24:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash a2bf43af40099c3f5789fa523823ee5d (1 x GCleaner)
ssdeep 6144:3sbN8y/2rOCzOU//yAifILh+WMxh6Fk/tT:3K8y/YOCzOU/6H8h/q6aZ
TLSH T19A44E01236B9E072D1A24D319834C2E50ABB7D632BB8925B37542B7B7E723C06F65313
TrID 37.3% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
15.9% (.EXE) Win32 Executable (generic) (4504/4/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 209890a498e16284 (1 x GCleaner)
Reporter zbetcheckin
Tags:32 exe gcleaner

Intelligence


File Origin
# of uploads :
1
# of downloads :
404
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
373f1a98cafb50508a6310576eaaf8dff1a3da118a185306fcdb1973b6c7e355.exe
Verdict:
Malicious activity
Analysis date:
2024-07-10 22:27:34 UTC
Tags:
gcleaner loader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
epmicrosoft_visual_cc fingerprint microsoft_visual_cc
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:
GCleaner, Nymaim
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus detection for URL or domain
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1471146 Sample: kyaOzGMoxp.exe Startdate: 11/07/2024 Architecture: WINDOWS Score: 100 39 185.172.128.69 NADYMSS-ASRU Russian Federation 2->39 41 77.105.160.30 ICOMF-ASRU Russian Federation 2->41 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Antivirus detection for URL or domain 2->49 51 6 other signatures 2->51 8 kyaOzGMoxp.exe 14 2->8         started        signatures3 process4 dnsIp5 43 185.172.128.90, 49699, 80 NADYMSS-ASRU Russian Federation 8->43 53 Detected unpacking (changes PE section rights) 8->53 55 Detected unpacking (overwrites its own PE header) 8->55 12 WerFault.exe 16 8->12         started        15 WerFault.exe 16 8->15         started        17 WerFault.exe 16 8->17         started        19 9 other processes 8->19 signatures6 process7 file8 25 C:\ProgramData\Microsoft\...\Report.wer, Unicode 12->25 dropped 27 C:\ProgramData\Microsoft\...\Report.wer, Unicode 15->27 dropped 29 C:\ProgramData\Microsoft\...\Report.wer, Unicode 17->29 dropped 31 C:\ProgramData\Microsoft\...\Report.wer, Unicode 19->31 dropped 33 C:\ProgramData\Microsoft\...\Report.wer, Unicode 19->33 dropped 35 C:\ProgramData\Microsoft\...\Report.wer, Unicode 19->35 dropped 37 5 other malicious files 19->37 dropped 21 conhost.exe 19->21         started        23 taskkill.exe 19->23         started        process9
Threat name:
Win32.Trojan.SmokeLoader
Status:
Malicious
First seen:
2024-07-10 22:25:05 UTC
File Type:
PE (Exe)
Extracted files:
9
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
gcleaner
Score:
  10/10
Tags:
family:gcleaner loader
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
77.105.160.30
185.172.128.69
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
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
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information


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

Web download

GCleaner

Executable exe 373f1a98cafb50508a6310576eaaf8dff1a3da118a185306fcdb1973b6c7e355

(this sample)

  
Delivery method
Distributed via web download

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_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::CopySid
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AddAce
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetDiskFreeSpaceW
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AllocConsole
KERNEL32.dll::WriteConsoleInputA
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryA
KERNEL32.dll::CreateFileMappingA
KERNEL32.dll::CreateFileA
KERNEL32.dll::ReplaceFileA
KERNEL32.dll::GetWindowsDirectoryA
KERNEL32.dll::GetWindowsDirectoryW
WIN_HTTP_APIUses HTTP servicesWINHTTP.dll::WinHttpOpen

Comments



Avatar
zbet commented on 2024-07-10 22:24:10 UTC

url : hxxp://77.105.132.5/download.php?pub=univ/