MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 51b75e29d01f4e045dc478bf0e24ad13f8b08ebadfc5a3d301ec24a3e877abc2. 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: 13


Intelligence 13 IOCs YARA 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 51b75e29d01f4e045dc478bf0e24ad13f8b08ebadfc5a3d301ec24a3e877abc2
SHA3-384 hash: 43dc35370bb2ddbdcc1280a516af9dbb7fbddc4f59217753acc6e2b55c1ce6ebfa069b332f46cbe6683a47dd365069d3
SHA1 hash: 28d158edc611010b2409b249aafa2988b7e85b40
MD5 hash: 121704c1c4c8f3a19b13729ce18db83d
humanhash: berlin-skylark-black-nineteen
File name:random.exe
Download: download sample
Signature GCleaner
Create hunting rule
File size:4'828'672 bytes
First seen:2026-02-16 09:33:22 UTC
Last seen:2026-02-25 14:31:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 099b2b7fa2a0044e2ca25418be2f8a70 (3 x GCleaner)
ssdeep 98304:lteb7bUcrtIkQ0M+aqXw4pRIL4UNFg5JW4/pPfSiS:l47b7LxaqgCasU4v
TLSH T12826CF6B5FA4506FE1FB1EF85F36960C8CA1AD231F24A03DAED019EF8935245346B316
TrID 96.1% (.EXE) Win32 Executable Borland Delphi 7 (664796/42/58)
2.0% (.EXE) Win32 Executable Delphi generic (14182/79/4)
0.6% (.EXE) Win32 Executable (generic) (4504/4/1)
0.2% (.EXE) Win16/32 Executable Delphi generic (2072/23)
0.2% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter abuse_ch
Tags:exe gcleaner

Intelligence

File Origin
# of uploads :
4
# of downloads :
157
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
random.exe
Verdict:
Malicious activity
Analysis date:
2026-02-16 09:36:23 UTC
Tags:
delphi auto generic gcleaner loader
Link:
https://app.any.run/tasks/224ca3d5-3611-4367-a5f3-7de82f5cce58

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/53411/
Detection(s):
SecuriteInfo.com.Trojan.DownLoader48.64288.8327.31885.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6992e4a22715406c647a0e6a
Tags:
delphi cobalt emotet
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug borland_delphi fingerprint installer-heuristic keylogger krypt packed
Link:
https://www.filescan.io/uploads/6992e4962ffccda0977093b1/reports/babe0e0c-0c2e-414e-a4a5-33660b3b9199/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/51b75e29d01f4e045dc478bf0e24ad13f8b08ebadfc5a3d301ec24a3e877abc2
Verdict:
Malicious
File Type:
exe x32
Detections:
HEUR:Trojan.Win32.Qshell.gen
Link:
https://opentip.kaspersky.com/51b75e29d01f4e045dc478bf0e24ad13f8b08ebadfc5a3d301ec24a3e877abc2/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/8bb9341e-bd03-4286-83ed-edba00c4d3bb
Result
Threat name:
CryptOne, MaskGram Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1869823
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Creates a thread in another existing process (thread injection)
Found direct / indirect Syscall (likely to bypass EDR)
Found many strings related to Crypto-Wallets (likely being stolen)
Hijacks the control flow in another process
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Leaks process information
Multi AV Scanner detection for submitted file
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
Potentially malicious time measurement code found
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Unusual module load detection (module proxying)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected CryptOne packer
Yara detected MaskGram Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1869823 Sample: random.exe Startdate: 16/02/2026 Architecture: WINDOWS Score: 100 90 derzkifrost-990.sbs 2->90 92 t.me 2->92 94 2 other IPs or domains 2->94 108 Suricata IDS alerts for network traffic 2->108 110 Antivirus detection for URL or domain 2->110 112 Antivirus / Scanner detection for submitted sample 2->112 114 6 other signatures 2->114 10 random.exe 1 2->10         started        14 msedge.exe 25 366 2->14         started        signatures3 process4 dnsIp5 74 C:\Users\user\AppData\...\svchost015.exe, PE32 10->74 dropped 120 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 10->120 122 Hijacks the control flow in another process 10->122 124 Writes to foreign memory regions 10->124 126 2 other signatures 10->126 17 svchost015.exe 47 10->17         started        100 192.168.2.6, 138, 443, 49265 unknown unknown 14->100 102 239.255.255.250 unknown Reserved 14->102 22 msedge.exe 14->22         started        24 identity_helper.exe 14->24         started        26 identity_helper.exe 14->26         started        28 2 other processes 14->28 file6 signatures7 process8 dnsIp9 80 178.16.52.65, 49697, 49700, 80 DUSNET-ASDE Germany 17->80 82 drive.usercontent.google.com 142.250.189.129, 443, 49693 GOOGLEUS United States 17->82 64 C:\Users\user\AppData\...\FWTX89SNC.exe, PE32+ 17->64 dropped 66 C:\Users\user\AppData\...\oFL6r7Sps.exe, PE32+ 17->66 dropped 68 C:\Users\user\AppData\...\QU9X3t7Wtk.exe, PE32+ 17->68 dropped 70 17 other files (none is malicious) 17->70 dropped 116 Unusual module load detection (module proxying) 17->116 30 FWTX89SNC.exe 17->30         started        34 SqgdwTNODTj.exe 2 17->34         started        37 QU9X3t7Wtk.exe 1 17->37         started        39 7 other processes 17->39 84 13.107.213.51, 443, 49696, 49733 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 22->84 86 part-0023.t-0009.t-msedge.net 13.107.246.51, 443, 49715 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 22->86 88 7 other IPs or domains 22->88 file10 signatures11 process12 dnsIp13 104 derzkifrost-990.sbs 104.21.24.120, 49699, 49718, 49719 CLOUDFLARENETUS United States 30->104 106 t.me 149.154.167.99, 443, 49698 TELEGRAMRU United Kingdom 30->106 128 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 30->128 130 Found many strings related to Crypto-Wallets (likely being stolen) 30->130 132 Tries to harvest and steal ftp login credentials 30->132 136 9 other signatures 30->136 41 chrome.exe 1 30->41         started        44 msedge.exe 9 30->44         started        72 C:\Users\user\AppData\...\SqgdwTNODTj.tmp, PE32 34->72 dropped 134 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 34->134 46 SqgdwTNODTj.tmp 3 4 34->46         started        49 conhost.exe 37->49         started        51 conhost.exe 39->51         started        53 conhost.exe 39->53         started        55 conhost.exe 39->55         started        57 4 other processes 39->57 file14 signatures15 process16 file17 118 Found many strings related to Crypto-Wallets (likely being stolen) 41->118 59 chrome.exe 41->59         started        62 msedge.exe 44->62         started        76 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 46->76 dropped 78 C:\Users\user\AppData\Local\...\_isdecmp.dll, PE32 46->78 dropped signatures18 process19 dnsIp20 96 googlehosted.l.googleusercontent.com 172.217.4.65, 443, 49708, 49709 GOOGLEUS United States 59->96 98 clients2.googleusercontent.com 59->98
Score:
88%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/51b75e29d01f4e045dc478bf0e24ad13f8b08ebadfc5a3d301ec24a3e877abc2
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 32 Exe x86
Link:
https://app.malva.re/file/121704c1c4c8f3a19b13729ce18db83d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/51b75e29d01f4e045dc478bf0e24ad13f8b08ebadfc5a3d301ec24a3e877abc2/
Verdict:
Malicious
Threat:
Family.GCLEANER
Link:
https://tip.neiki.dev/file/51b75e29d01f4e045dc478bf0e24ad13f8b08ebadfc5a3d301ec24a3e877abc2
Threat name:
Win32.Trojan.GCleaner
Create hunting rule
Status:
Malicious
First seen:
2026-02-15 21:33:53 UTC
File Type:
PE (Exe)
Extracted files:
36
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kg3v4koqd5haixoepc7q4jfncp4lbdv237c2huyb5qskh2dxvpba._file
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/260216-ljvs5aaz2g/
Behaviour
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Executes dropped EXE
GCleaner
Gcleaner family
Malware Config
C2 Extraction:
185.156.73.98
45.91.200.135
Unpacked files
SH256 hash:
51b75e29d01f4e045dc478bf0e24ad13f8b08ebadfc5a3d301ec24a3e877abc2
MD5 hash:
121704c1c4c8f3a19b13729ce18db83d
SHA1 hash:
28d158edc611010b2409b249aafa2988b7e85b40
Link:
https://www.unpac.me/results/3cf2b016-bc35-4471-9548-e984033f872f/
SH256 hash:
39be22f5f42aaf483556d17e052917eeaefc5f81e8a382af9747a37fdc013c9b
MD5 hash:
cc7225740905af889789daac52da1819
SHA1 hash:
6be90954d66f75a210f8f02de13ab8b132611b9c
Detections:
GCleaner
Create hunting rule
Link:
https://www.unpac.me/results/3cf2b016-bc35-4471-9548-e984033f872f/
SH256 hash:
d3d3224b50e7ff955cba76e05f5058471add627c6f15658420146040192b3e1b
MD5 hash:
61f30fea94c55ee3199526448a73e58f
SHA1 hash:
71c175173df87bda7ffc77b2208b28f04bbdc628
Link:
https://www.unpac.me/results/3cf2b016-bc35-4471-9548-e984033f872f/
Malware family:
GCleaner
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/51b75e29d01f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.31
Link:
https://yomi.yoroi.company/submissions/51b75e29d01f4e045dc478bf0e24ad13f8b08ebadfc5a3d301ec24a3e877abc2

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:BobSoftMiniDelphiBoBBobSoft
Create hunting rule
Author:malware-lu
Rule name:Borland
Create hunting rule
Author:malware-lu
Rule name:CAS_Malware_Hunting
Create hunting rule
Author:Michael Reinprecht
Description:DEMO CAS YARA Rules for sample2.exe
Rule name:Check_OutputDebugStringA_iat
Create hunting rule
Rule name:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:ThreadControl__Context
Create hunting rule
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 51b75e29d01f4e045dc478bf0e24ad13f8b08ebadfc5a3d301ec24a3e877abc2

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3743700/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/53411/

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