MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2ad7f6c458f4284a70b4c3c8df5b94192640c6b6640ce3263ff51b22486ec88a. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments

SHA256 hash: 2ad7f6c458f4284a70b4c3c8df5b94192640c6b6640ce3263ff51b22486ec88a
SHA3-384 hash: 9119ce7a0e8b2e7abdd338c660749e0dc6eeeb17ab5f0458f96d274ccd97884a9ac1a6f066b434afd349b307dec300c7
SHA1 hash: ce634d3a596584f2e247240406ee87466320207b
MD5 hash: 443481bdfa92ecce6368de3f6a566f6f
humanhash: alabama-single-robin-nebraska
File name:443481bdfa92ecce6368de3f6a566f6f.exe
Download: download sample
Signature GCleaner
File size:313'344 bytes
First seen:2024-08-20 11:34:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 84b46b8317576381b1b485116d5bf95e (1 x GCleaner, 1 x Smoke Loader)
ssdeep 3072:KOwWukWX+aOMHrU2KfldTOsaLsEDaJR5Y2zoYLl:XMXqMHvK/2LtMzl
TLSH T11E646C0252E0AE21DE678B726E2ED6E8E66EFC524F75225E3149FE1F94731F1C122311
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 92716d4cf4c4d4d4 (22 x Smoke Loader, 1 x GCleaner, 1 x UACModuleSmokeLoader)
Reporter abuse_ch
Tags:exe gcleaner

Intelligence


File Origin
# of uploads :
1
# of downloads :
363
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2ad7f6c458f4284a70b4c3c8df5b94192640c6b6640ce3263ff51b22486ec88a
Verdict:
Malicious activity
Analysis date:
2024-08-20 11:32:48 UTC
Tags:
gcleaner loader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
Execution Infostealer Network Stealth Crypt
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
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 domain / URL
Multi AV Scanner detection for submitted file
Yara detected GCleaner
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1495618 Sample: Iw7R00u1Qm.exe Startdate: 20/08/2024 Architecture: WINDOWS Score: 100 24 Multi AV Scanner detection for domain / URL 2->24 26 Found malware configuration 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 6 other signatures 2->30 7 Iw7R00u1Qm.exe 24 2->7         started        process3 dnsIp4 22 80.66.75.114, 49704, 80 RISS-ASRU Russian Federation 7->22 32 Detected unpacking (changes PE section rights) 7->32 34 Detected unpacking (overwrites its own PE header) 7->34 11 WerFault.exe 19 16 7->11         started        14 cmd.exe 1 7->14         started        signatures5 process6 file7 20 C:\ProgramData\Microsoft\...\Report.wer, Unicode 11->20 dropped 16 taskkill.exe 1 14->16         started        18 conhost.exe 14->18         started        process8
Threat name:
Win32.Trojan.Tepfer
Status:
Malicious
First seen:
2024-08-20 11:32:48 UTC
File Type:
PE (Exe)
Extracted files:
51
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
gcleaner
Score:
  10/10
Tags:
family:gcleaner discovery loader
Behaviour
Kills process with taskkill
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Checks computer location settings
Deletes itself
GCleaner
Malware Config
C2 Extraction:
80.66.75.114
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:pe_detect_tls_callbacks

File information


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

Web download

GCleaner

Executable exe 2ad7f6c458f4284a70b4c3c8df5b94192640c6b6640ce3263ff51b22486ec88a

(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
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::FillConsoleOutputCharacterW
KERNEL32.dll::ReadConsoleOutputA
KERNEL32.dll::GetConsoleAliasesLengthW
KERNEL32.dll::GetConsoleSelectionInfo
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::GetFileAttributesW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
WIN_SVC_APICan Manipulate Windows ServicesADVAPI32.dll::CreateServiceA

Comments