MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7c610d2fd42fde5780d57768926e3a5f8575e6905b8a5ea62dd43ebda36759f5. 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 5 File information Comments

SHA256 hash: 7c610d2fd42fde5780d57768926e3a5f8575e6905b8a5ea62dd43ebda36759f5
SHA3-384 hash: 4576a4a3957e8429402e67708d2dfbb9eef42f6a4f03990076a5c9c127fcce0e0cef940db296d8269155c476fa9100cf
SHA1 hash: 8735cc71cd3a32e0e09c0239498131cd792ed652
MD5 hash: 7936f2795346b6d22a7e66b7a6d8cb39
humanhash: fourteen-stairway-pip-batman
File name:7936f2795346b6d22a7e66b7a6d8cb39.exe
Download: download sample
Signature GCleaner
File size:342'016 bytes
First seen:2024-03-22 07:37:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash c7dc01e7bf458b5be41a3a73770771d1 (4 x Stealc, 1 x Socks5Systemz, 1 x Smoke Loader)
ssdeep 3072:i/1usES1KZ9s4+8cKFEX048M+YqxFGy0lsoglOGYzFY4HcHxmt/IoPijYn5:oPHF4sqVXGb2NxYzFFHcIGoPiu
Threatray 113 similar samples on MalwareBazaar
TLSH T16F747B0375D1EC61E16247314F6D8AEA773EFCA24D618B5723882E0E78712B0D627F62
TrID 39.4% (.EXE) InstallShield setup (43053/19/16)
28.6% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
9.6% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 000850a2c0c28880 (1 x GCleaner)
Reporter abuse_ch
Tags:exe gcleaner

Intelligence


File Origin
# of uploads :
1
# of downloads :
341
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
7c610d2fd42fde5780d57768926e3a5f8575e6905b8a5ea62dd43ebda36759f5.exe
Verdict:
Malicious activity
Analysis date:
2024-03-22 08:13:47 UTC
Tags:
gcleaner loader opendir lumma stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Sending an HTTP GET request to an infection source
Сreating synchronization primitives
Connection attempt to an infection source
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
danabot fingerprint
Malware family:
STOP Ransomware
Verdict:
Malicious
Result
Threat name:
LummaC, GCleaner, LummaC Stealer
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
Found many strings related to Crypto-Wallets (likely being stolen)
LummaC encrypted strings found
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Query firmware table information (likely to detect VMs)
Sample uses string decryption to hide its real strings
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Yara detected GCleaner
Yara detected LummaC Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1413913 Sample: UzMahCzo58.exe Startdate: 22/03/2024 Architecture: WINDOWS Score: 100 33 brickbrothjorkyooe.shop 2->33 41 Snort IDS alert for network traffic 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 11 other signatures 2->47 8 UzMahCzo58.exe 17 2->8         started        signatures3 process4 dnsIp5 35 185.172.128.90, 49729, 80 NADYMSS-ASRU Russian Federation 8->35 37 5.42.65.115, 49730, 80 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 8->37 29 C:\Users\user\AppData\...\UFUctypt2ROP.exe, PE32 8->29 dropped 31 C:\Users\user\AppData\Local\...\TWO[1].file, PE32 8->31 dropped 49 Detected unpacking (changes PE section rights) 8->49 51 Detected unpacking (overwrites its own PE header) 8->51 13 UFUctypt2ROP.exe 8->13         started        17 cmd.exe 8->17         started        19 WerFault.exe 16 8->19         started        21 7 other processes 8->21 file6 signatures7 process8 dnsIp9 39 brickbrothjorkyooe.shop 104.21.61.80, 443, 49731, 49732 CLOUDFLARENETUS United States 13->39 53 Antivirus detection for dropped file 13->53 55 Detected unpacking (changes PE section rights) 13->55 57 Detected unpacking (overwrites its own PE header) 13->57 59 5 other signatures 13->59 23 WerFault.exe 13->23         started        25 conhost.exe 17->25         started        27 taskkill.exe 17->27         started        signatures10 process11
Threat name:
Win32.Trojan.Gcleaner
Status:
Malicious
First seen:
2024-03-20 16:51:28 UTC
File Type:
PE (Exe)
Extracted files:
32
AV detection:
22 of 23 (95.65%)
Threat level:
  5/5
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
5.42.65.115
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:Windows_Generic_Threat_97c1a260
Author:Elastic Security
Rule name:Windows_Trojan_Smokeloader_3687686f
Author:Elastic Security

File information


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

Web download

GCleaner

Executable exe 7c610d2fd42fde5780d57768926e3a5f8575e6905b8a5ea62dd43ebda36759f5

(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 AuthorizationUSER32.dll::SetUserObjectSecurity
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::FindNextVolumeMountPointW
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetVolumeInformationA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::FreeConsole
KERNEL32.dll::PeekConsoleInputA
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::ReadConsoleOutputCharacterW
KERNEL32.dll::SetStdHandle
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::CreateFileA
KERNEL32.dll::GetWindowsDirectoryW
KERNEL32.dll::RemoveDirectoryW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::QueryDosDeviceA

Comments