MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 99a78d0fa03ff7a93ac2a006c6c3baebbbc431d0846e24072ed309761a0d4f15. 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: 17


Intelligence 17 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 99a78d0fa03ff7a93ac2a006c6c3baebbbc431d0846e24072ed309761a0d4f15
SHA3-384 hash: d71761fcad286c8b4fdb4459aefda8028bcb458c8dfc93763b1595e001966cf0df797effd16832afb17b84f48885be4e
SHA1 hash: a8dd87683e33014f2c2b4b1c05a7666af7d84c87
MD5 hash: 7ef50c41a34c273bb1d3bf1dc24171e9
humanhash: louisiana-artist-grey-south
File name:7ef50c41a34c273bb1d3bf1dc24171e9.exe
Download: download sample
Signature GCleaner
Create hunting rule
File size:302'080 bytes
First seen:2024-08-30 07:04:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash acfdc9990b7411f91ccdf3895980c9d8 (1 x GCleaner)
ssdeep 6144:plLre6o4BjFptWDDWZ9eGQ0KBbhzvN3RnL:LeMj7eD0EGOzRh
Threatray 10 similar samples on MalwareBazaar
TLSH T19354CF11F690FC32CD1687368E2AC2E8166E7D31DB74A25F76447B5F2E732E49622306
TrID 52.5% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
17.7% (.EXE) Win64 Executable (generic) (10523/12/4)
8.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.5% (.EXE) Win32 Executable (generic) (4504/4/1)
3.4% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
File icon (PE):PE icon
dhash icon 00c8c8b0cce17284 (2 x GCleaner)
Reporter abuse_ch
Tags:exe gcleaner

Intelligence

File Origin
# of uploads :
1
# of downloads :
360
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ursnif
Create hunting rule
ID:
1
File name:
cb11093f5dc58ce05f48dd5c4282f4f749df6b7d3ab77b077a6c92033cfa1e6e.exe
Verdict:
Malicious activity
Analysis date:
2024-05-15 17:32:40 UTC
Tags:
opendir loader gozi ursnif dreambot banker stealer evasion miner gcleaner uac privateloader
Link:
https://app.any.run/tasks/6e8473c4-3531-4930-acf7-a0b6931093b5

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Ransomware.Stop-10029959-0
Create hunting rule

Win.Packed.Fareit-10030127-0
Create hunting rule

Win.Packed.Trojanx-10030131-0
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66d16f23fe69a9e56049ecec
Tags:
Infostealer Network Stealth Trojandownloader
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
epmicrosoft_visual_cc fingerprint microsoft_visual_cc packed raccoon ransomware
Link:
https://www.filescan.io/uploads/66d16f2561f4e2a6865c47cb/reports/027f6d0e-901f-4dd7-b587-3bfad6dbfc7e/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/99a78d0fa03ff7a93ac2a006c6c3baebbbc431d0846e24072ed309761a0d4f15
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/98b6c59b-c2d4-42df-a697-9cde3f776bce
Result
Threat name:
GCleaner, Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1501629
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted 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:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/99a78d0fa03ff7a93ac2a006c6c3baebbbc431d0846e24072ed309761a0d4f15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/99a78d0fa03ff7a93ac2a006c6c3baebbbc431d0846e24072ed309761a0d4f15/
Threat name:
Win32.Trojan.Operaloader
Create hunting rule
Status:
Malicious
First seen:
2024-05-15 15:54:57 UTC
File Type:
PE (Exe)
Extracted files:
32
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tgty2d5ah732sowcuadmnq525o54imoqqrxcibzo2mexmgqnj4kq._file
Verdict:
malicious
Similar samples:
76ddb4ce3f5cd5acfb557992f5265860300bf0413420ad2cae09a003209ce797
GCleaner
87137f8ac515457f952efd992e0efcb3373337f7a311e27ba61b36e7f31033f3
GCleaner
99a78d0fa03ff7a93ac2a006c6c3baebbbc431d0846e24072ed309761a0d4f15
GCleaner
d19ddc1ec032c500925756a79726b27a77b677b5bc17e38eb4ab03a9b66e479c
GCleaner
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/240830-hwhsjs1gpf/
Behaviour
Suspicious behavior: GetForegroundWindowSpam
Program crash
System Location Discovery: System Language Discovery
GCleaner
Malware Config
C2 Extraction:
185.172.128.90
5.42.64.56
5.42.65.64
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/7914dbf0-dafc-44a7-98a7-bed9a6f2e2fe
Unpacked files
SH256 hash:
87137f8ac515457f952efd992e0efcb3373337f7a311e27ba61b36e7f31033f3
MD5 hash:
6c0285eefe2804e725422c8c0fe61149
SHA1 hash:
f59f9c47bdf9bc3f3bfe99dfc162ba8faec72563
Detections:
GCleaner
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/484890b6-0cc5-4614-9299-7f8005b03055/
Parent samples :
87137f8ac515457f952efd992e0efcb3373337f7a311e27ba61b36e7f31033f3
99a78d0fa03ff7a93ac2a006c6c3baebbbc431d0846e24072ed309761a0d4f15
SH256 hash:
99a78d0fa03ff7a93ac2a006c6c3baebbbc431d0846e24072ed309761a0d4f15
MD5 hash:
7ef50c41a34c273bb1d3bf1dc24171e9
SHA1 hash:
a8dd87683e33014f2c2b4b1c05a7666af7d84c87
Link:
https://www.unpac.me/results/484890b6-0cc5-4614-9299-7f8005b03055/
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/99a78d0fa03ff7a93ac2a006c6c3baebbbc431d0846e24072ed309761a0d4f15

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
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:pe_detect_tls_callbacks
Create hunting rule

File information

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

Web download

GCleaner

Executable exe 99a78d0fa03ff7a93ac2a006c6c3baebbbc431d0846e24072ed309761a0d4f15

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2850421/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2850340/
  
URLhaus
https://urlhaus.abuse.ch/url/2850423/
  
URLhaus
https://urlhaus.abuse.ch/url/2850419/
  
URLhaus
https://urlhaus.abuse.ch/url/2850449/
  
URLhaus
https://urlhaus.abuse.ch/url/2850390/
  
URLhaus
https://urlhaus.abuse.ch/url/2850334/
  
URLhaus
https://urlhaus.abuse.ch/url/2850450/
  
URLhaus
https://urlhaus.abuse.ch/url/2850338/

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::LoadLibraryA
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetConsoleScreenBufferSize
KERNEL32.dll::SetConsoleTitleA
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleDisplayMode
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA
KERNEL32.dll::GetFileAttributesA
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW

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