MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21feed85dcffec9c7a76343729beecd6a53ffe854d972af207edddf154da1814. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 21feed85dcffec9c7a76343729beecd6a53ffe854d972af207edddf154da1814
SHA3-384 hash: 9743405bcd63b1f79fb9971518bf080f5602359f54f9d44d6c4345cbc725cc23f61d10f4128c8c36bc1e80fe81d14c6d
SHA1 hash: 78fb5ea85621038ff5a1199e50827ea10495fc26
MD5 hash: 4749fcb19cc49a0cd2951f224aced3ba
humanhash: two-ohio-twenty-fillet
File name:4749fcb19cc49a0cd2951f224aced3ba.exe
Download: download sample
Signature GCleaner
Create hunting rule
File size:297'472 bytes
First seen:2024-08-30 07:04:28 UTC
Last seen:2024-08-30 07:27:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 5e3ebc6555c4cd75ac747271b38929f9 (2 x GCleaner)
ssdeep 6144:B5VJAYamjKjoTMFhs52uIls7MhOb625TD2W:B5VJAzd8/cVs3
Threatray 10 similar samples on MalwareBazaar
TLSH T1FE549E11FAA0A427DFA7373549B79A9C06B77C42E631B24F2250762F1EB32D17A51323
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)
Magika pebin
File icon (PE):PE icon
dhash icon 00c8c8b0cce17284 (2 x GCleaner)
Reporter abuse_ch
Tags:exe gcleaner

Intelligence

File Origin
# of uploads :
2
# of downloads :
352
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
univ1.exe
Verdict:
No threats detected
Analysis date:
2024-08-29 11:19:53 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/d1c0e2b6-3cc8-4bbb-97d7-c7ef9866e6ae

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.DownLoader47.32648.32729.2555.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66d16f21fe69a9e56049ece1
Tags:
Zpack
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
epmicrosoft_visual_cc fingerprint microsoft_visual_cc packed
Link:
https://www.filescan.io/uploads/66d16f245959a837dd12b7ea/reports/293132ec-906e-4234-897f-8cb437b487e8/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/21feed85dcffec9c7a76343729beecd6a53ffe854d972af207edddf154da1814
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/8ee0f740-8a47-4b8c-b4ea-1d251c6e30d0
Result
Threat name:
GCleaner, Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1501630
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:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/21feed85dcffec9c7a76343729beecd6a53ffe854d972af207edddf154da1814
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/21feed85dcffec9c7a76343729beecd6a53ffe854d972af207edddf154da1814/
Threat name:
Win32.Trojan.GCleaner
Create hunting rule
Status:
Malicious
First seen:
2024-08-29 11:19:54 UTC
File Type:
PE (Exe)
Extracted files:
49
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=eh7o3bo477wjy6twgq3stpxm22st77ufjwlsv4qh5xo7cvg2daka._file
Verdict:
malicious
Similar samples:
04005821bb6ca54143febc9434856e4ac7e4f6ba61cfcecfb4c1f7f25301f3ca
GCleaner
54330d7c8d654c7821fdd80c29bbad67e1f959fb668a63c433348182f879a101
GCleaner
9ab39edf384daac9f1c4e6b44e7af427618696b1d0b4d04d737a1e06b412c09b
GCleaner
b26c331dd8cc9afc8cfea552033a91a2fd57af71829498f7280408e814d9d962
GCleaner
c91aa7e772a145d0266b4eb22f3527008ae88380a6155fe2ee9b5b27dfc6e1b7
GCleaner
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/240830-hwhgsatamr/
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
Deletes itself
Loads dropped DLL
Downloads MZ/PE file
GCleaner
Malware Config
C2 Extraction:
80.66.75.114
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/7616dc92-946a-4908-aeed-824f315114ba
Unpacked files
SH256 hash:
e3752915e9b12609fa22a99275111e4533903ad3af8ca01419562a2871a5c071
MD5 hash:
df84064620e647c9f8ad0f966c1f1576
SHA1 hash:
f7427ed939f043601f270eb9c7b8f685328574ae
Detections:
GCleaner
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/aef4a96d-9452-4c95-b1c1-1241c542713b/
Parent samples :
b26c331dd8cc9afc8cfea552033a91a2fd57af71829498f7280408e814d9d962
54330d7c8d654c7821fdd80c29bbad67e1f959fb668a63c433348182f879a101
04005821bb6ca54143febc9434856e4ac7e4f6ba61cfcecfb4c1f7f25301f3ca
c91aa7e772a145d0266b4eb22f3527008ae88380a6155fe2ee9b5b27dfc6e1b7
21feed85dcffec9c7a76343729beecd6a53ffe854d972af207edddf154da1814
SH256 hash:
21feed85dcffec9c7a76343729beecd6a53ffe854d972af207edddf154da1814
MD5 hash:
4749fcb19cc49a0cd2951f224aced3ba
SHA1 hash:
78fb5ea85621038ff5a1199e50827ea10495fc26
Link:
https://www.unpac.me/results/aef4a96d-9452-4c95-b1c1-1241c542713b/
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/21feed85dcffec9c7a76343729beecd6a53ffe854d972af207edddf154da1814

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:DebuggerHiding__Active
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 21feed85dcffec9c7a76343729beecd6a53ffe854d972af207edddf154da1814

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3129043/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3112907/

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
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleOutputW
KERNEL32.dll::SetConsoleMode
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasExesLengthA
KERNEL32.dll::GetConsoleAliasesLengthA
KERNEL32.dll::GetConsoleAliasesW
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameA
KERNEL32.dll::GetComputerNameW
KERNEL32.dll::QueryDosDeviceW

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