MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 83660b75c4e4dc6041398055ea66a6815b0b8144551aa4d45fda83c05dba9277. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 83660b75c4e4dc6041398055ea66a6815b0b8144551aa4d45fda83c05dba9277
SHA3-384 hash: 8af3487e2e9d25df28fcfa07a743c307be6ec4d99b384df020cac94cfcd4cbf5450ed203b364982c013dad2c1b25c786
SHA1 hash: 0ab996aae9c3046d789f841f803c4beeb616e463
MD5 hash: 404d033972d34c28f3b04e65d3673342
humanhash: april-apart-oxygen-shade
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'352'241 bytes
First seen:2023-03-20 23:57:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'446 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:EGlJfs6KVfxph3y9qZEwMD9nsaXiLWrF4pi8IOCTbfGQsSVEmmy5dlLYp:5Offhi9yAVsAiaeUl3yiV3mAPYp
Threatray 2'116 similar samples on MalwareBazaar
TLSH T150B533A9BD480871F0F10137FD3682466963E96A4678A08C72E82FCD9F7B640DD3D796
TrID 50.3% (.EXE) Win32 Executable PowerBASIC/Win 9.x (148303/79/28)
37.2% (.EXE) Inno Setup installer (109740/4/30)
4.8% (.EXE) Win32 Executable Delphi generic (14182/79/4)
2.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.5% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b298acbab2ca7a72 (2'327 x GCleaner, 1'631 x Socks5Systemz, 67 x RedLineStealer)
Reporter andretavare5
Tags:exe gcleaner


Avatar
andretavare5
Sample downloaded from http://45.12.253.74/pineapple.php?pub=mixinte

Intelligence

File Origin
# of uploads :
1
# of downloads :
284
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-03-20 23:58:02 UTC
Tags:
installer
Link:
https://app.any.run/tasks/c17f7a16-8cb9-4fa0-80e9-195b90ab08b6

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/376014/
Detection(s):
SecuriteInfo.com.TR.Spy.KGBSpy.1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% subdirectories
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Creating a file in the Program Files subdirectories
Moving a file to the Program Files subdirectory
Modifying a system file
Searching for synchronization primitives
Creating a file in the %AppData% subdirectories
Sending an HTTP GET request
Sending a custom TCP request
Running batch commands
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Creating a file in the Windows subdirectories
Launching a tool to kill processes
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/74327/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
installer
Link:
https://www.filescan.io/uploads/6418f30b28f6cfd59136cf41/reports/66c723cb-8031-4ebe-b68e-2726c4309588/overview
Verdict:
Malicious
Labled as:
HEUR/AGEN.1251208
Link:
https://www.hybrid-analysis.com/sample/83660b75c4e4dc6041398055ea66a6815b0b8144551aa4d45fda83c05dba9277
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/04037339-9d53-4e52-a447-c58f364c621b
Result
Threat name:
CryptbotV2, MinerDownloader, RedLine, St
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1198119
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Connects to a pastebin service (likely for C&C)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found C&C like URL pattern
Found evasive API chain (may stop execution after checking locale)
Found many strings related to Crypto-Wallets (likely being stolen)
Found strings related to Crypto-Mining
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
PE file contains section with special chars
PE file has nameless sections
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected CryptbotV2
Yara detected Generic MinerDownloader
Yara detected RedLine Stealer
Yara detected Stealc
Yara detected Vidar stealer
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 831020 Sample: file.exe Startdate: 21/03/2023 Architecture: WINDOWS Score: 100 119 api.ip.sb 2->119 121 raw.githubusercontent.com 2->121 123 2 other IPs or domains 2->123 145 Snort IDS alert for network traffic 2->145 147 Malicious sample detected (through community Yara rule) 2->147 149 Antivirus detection for URL or domain 2->149 151 17 other signatures 2->151 13 file.exe 2 2->13         started        signatures3 process4 file5 117 C:\Users\user\AppData\Local\...\is-DKS9D.tmp, PE32 13->117 dropped 16 is-DKS9D.tmp 15 24 13->16         started        process6 file7 81 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 16->81 dropped 83 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 16->83 dropped 85 C:\...\unins000.exe (copy), PE32 16->85 dropped 87 6 other files (4 malicious) 16->87 dropped 19 FRec320.exe 29 16->19         started        process8 dnsIp9 125 45.12.253.56, 49697, 80 CMCSUS Germany 19->125 127 45.12.253.72, 49698, 80 CMCSUS Germany 19->127 129 45.12.253.75, 49699, 80 CMCSUS Germany 19->129 93 C:\Users\user\AppData\...\PQTxGEWdOU3h.exe, PE32 19->93 dropped 95 C:\Users\user\AppData\...\dVyH4LDPmd.exe, PE32 19->95 dropped 97 C:\Users\user\AppData\Roaming\...\T8cx7S.exe, PE32 19->97 dropped 99 4 other malicious files 19->99 dropped 23 dVyH4LDPmd.exe 19->23         started        26 QXo7KjTtb.exe 2 42 19->26         started        30 T8cx7S.exe 75 19->30         started        32 2 other processes 19->32 file10 process11 dnsIp12 101 C:\Users\user\AppData\Roaming\...\c1.exe, PE32 23->101 dropped 103 C:\Users\user\AppData\Roaming\...\Shell64.exe, PE32 23->103 dropped 34 Shell64.exe 23->34         started        37 c1.exe 23->37         started        131 bulgakov.link 85.31.45.22, 49700, 49701, 49702 CLOUDCOMPUTINGDE Germany 26->131 157 Detected unpacking (changes PE section rights) 26->157 159 Detected unpacking (overwrites its own PE header) 26->159 161 Tries to steal Mail credentials (via file / registry access) 26->161 165 3 other signatures 26->165 39 cmd.exe 1 26->39         started        133 nekpgo12.top 85.31.45.219 CLOUDCOMPUTINGDE Germany 30->133 135 tigwax01.top 185.246.220.246 LVLT-10753US Germany 30->135 105 C:\Users\user\AppData\Roaming\...\uptorn.exe, PE32 30->105 dropped 163 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 30->163 41 cmd.exe 30->41         started        43 cmd.exe 30->43         started        45 conhost.exe 32->45         started        47 taskkill.exe 32->47         started        file13 signatures14 process15 file16 89 C:\Users\user\AppData\Roaming\...\m1.exe, PE32 34->89 dropped 91 C:\Users\user\AppData\Roaming\...\f1.exe, PE32 34->91 dropped 49 m1.exe 34->49         started        52 f1.exe 34->52         started        54 conhost.exe 39->54         started        56 timeout.exe 1 39->56         started        58 uptorn.exe 41->58         started        61 conhost.exe 41->61         started        63 conhost.exe 43->63         started        65 timeout.exe 43->65         started        process17 file18 137 Writes to foreign memory regions 49->137 139 Allocates memory in foreign processes 49->139 141 Injects a PE file into a foreign processes 49->141 67 RegSvcs.exe 49->67         started        70 WerFault.exe 49->70         started        72 RegSvcs.exe 52->72         started        74 WerFault.exe 52->74         started        107 C:\Users\user\AppData\...\DpEditor.exe, PE32 58->107 dropped 143 Tries to detect sandboxes and other dynamic analysis tools (window names) 58->143 signatures19 process20 signatures21 153 Writes to foreign memory regions 67->153 155 Injects a PE file into a foreign processes 67->155 76 AppLaunch.exe 67->76         started        79 conhost.exe 67->79         started        process22 file23 109 C:\ProgramData\Dllhost\winlogson.exe, PE32+ 76->109 dropped 111 C:\ProgramData\Dllhost\dllhost.exe, PE32 76->111 dropped 113 C:\ProgramData\Dllhost\WinRing0x64.sys, PE32+ 76->113 dropped 115 C:\ProgramData\HostData\logs.uce, ASCII 76->115 dropped
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/83660b75c4e4dc6041398055ea66a6815b0b8144551aa4d45fda83c05dba9277/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Suspicious
First seen:
2023-03-20 23:58:08 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qntaw5oe4togaqjzqbk6uzvgqfnqxakekunkjvc73kb4axn2sj3q._file
Verdict:
malicious
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GCleaner
+ 2'106 additional samples on MalwareBazaar
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230320-3z53gafh54/
Behaviour
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Checks installed software on the system
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
GCleaner
Malware Config
C2 Extraction:
45.12.253.56
45.12.253.72
45.12.253.98
45.12.253.75
Unpacked files
SH256 hash:
aebe54cbb40182335522dba084cce574ad4ae00501dc885910a96cf4a5949832
MD5 hash:
e7d53b6b266944655be110570924a55b
SHA1 hash:
5958f341f169173602fbbb10b2e2f53c17203a8e
Detections:
Nymaim
Create hunting rule
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/564b3631-8558-4c48-a4aa-c5a01281b26b/
SH256 hash:
2a0b4d3891eb800a4f861673beb09badce03e41a47571bc51e76370ab5b43c1e
MD5 hash:
d4f3e77a5a194b4d0ec8177d0da31812
SHA1 hash:
c8045b320a9e5faadcedfb40df148e77f0d186a5
Link:
https://www.unpac.me/results/564b3631-8558-4c48-a4aa-c5a01281b26b/
SH256 hash:
664ad0a38974e191a0ab879a58627c27f860d01b87b683ad3a2939678b377f52
MD5 hash:
63ef7d1b0b5ba568a6c533a4b6e722e2
SHA1 hash:
a05fff904d11c6da55e8190672aad91cd97dc1ed
Link:
https://www.unpac.me/results/564b3631-8558-4c48-a4aa-c5a01281b26b/
SH256 hash:
83660b75c4e4dc6041398055ea66a6815b0b8144551aa4d45fda83c05dba9277
MD5 hash:
404d033972d34c28f3b04e65d3673342
SHA1 hash:
0ab996aae9c3046d789f841f803c4beeb616e463
Link:
https://www.unpac.me/results/564b3631-8558-4c48-a4aa-c5a01281b26b/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.98
Link:
https://yomi.yoroi.company/submissions/83660b75c4e4dc6041398055ea66a6815b0b8144551aa4d45fda83c05dba9277

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
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:win_gcleaner_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.gcleaner.

File information

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

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by
Cape
Cape
https://www.capesandbox.com/analysis/376014/
  
URLhaus
https://urlhaus.abuse.ch/url/2509470/

Comments