MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 abc8791aca686d175c4059f78713272c2da4ccc0897a51505b5ec5eec3e41dab. 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 2 File information Comments 1

SHA256 hash: abc8791aca686d175c4059f78713272c2da4ccc0897a51505b5ec5eec3e41dab
SHA3-384 hash: 1e3bd103b9b5b7102903dfa22c06b1d94dcaf1c4532c662de01045fb8c0465ea9cd9fdb85f42197e5f6b772d72b0d4fb
SHA1 hash: b962839dd84bc1c15b307de46c3a429410e83594
MD5 hash: 92d5a6a856c32cc7e0ae11e5bb4b2d4f
humanhash: table-crazy-lemon-salami
File name:92d5a6a856c32cc7e0ae11e5bb4b2d4f
Download: download sample
Signature GCleaner
File size:352'768 bytes
First seen:2024-07-11 00:02:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash a3e85d80936c7ef42408e50a5a01f3d6 (2 x GCleaner, 1 x Smoke Loader)
ssdeep 3072:8NHVgmfb0n/ePaT1eGanSu/yGpYKX4a7biE2RDeRQL9NIVL2lYv/Gekez+g:EJwmPJGLu/yZdcbaeR69sL+0
Threatray 49 similar samples on MalwareBazaar
TLSH T19474F12077E18436E5B35A7494F583A15A7B3D036774D29E6BD807BB2E712C08E723A3
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 009890acd9e02088 (2 x GCleaner)
Reporter zbetcheckin
Tags:32 exe gcleaner

Intelligence


File Origin
# of uploads :
1
# of downloads :
441
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
abc8791aca686d175c4059f78713272c2da4ccc0897a51505b5ec5eec3e41dab.exe
Verdict:
Malicious activity
Analysis date:
2024-07-11 00:05:05 UTC
Tags:
gcleaner loader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
epmicrosoft_visual_cc fingerprint microsoft_visual_cc packed
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 domain / URL
Multi AV Scanner detection for submitted file
Yara detected GCleaner
Yara detected Nymaim
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1471194 Sample: zv0DDKbje3.exe Startdate: 11/07/2024 Architecture: WINDOWS Score: 100 23 77.105.160.30 ICOMF-ASRU Russian Federation 2->23 27 Multi AV Scanner detection for domain / URL 2->27 29 Found malware configuration 2->29 31 Malicious sample detected (through community Yara rule) 2->31 33 7 other signatures 2->33 8 zv0DDKbje3.exe 14 2->8         started        signatures3 process4 dnsIp5 25 185.172.128.90, 49730, 80 NADYMSS-ASRU Russian Federation 8->25 35 Detected unpacking (changes PE section rights) 8->35 37 Detected unpacking (overwrites its own PE header) 8->37 12 WerFault.exe 21 16 8->12         started        15 cmd.exe 1 8->15         started        signatures6 process7 file8 21 C:\ProgramData\Microsoft\...\Report.wer, Unicode 12->21 dropped 17 taskkill.exe 1 15->17         started        19 conhost.exe 15->19         started        process9
Threat name:
Win32.Trojan.SmokeLoader
Status:
Malicious
First seen:
2024-07-11 00:03:06 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
16 of 24 (66.67%)
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
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

File information


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

Web download

GCleaner

Executable exe abc8791aca686d175c4059f78713272c2da4ccc0897a51505b5ec5eec3e41dab

(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_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::CopySid
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AllocConsole
KERNEL32.dll::WriteConsoleInputW
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryA
KERNEL32.dll::CreateFileMappingA
KERNEL32.dll::CreateFileA
KERNEL32.dll::ReplaceFileA
KERNEL32.dll::GetWindowsDirectoryW

Comments



Avatar
zbet commented on 2024-07-11 00:02:27 UTC

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