MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c3a82b7de674acf404477f5c6a746efd1dd4c90411761e5f9933ec40d07e84b4. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c3a82b7de674acf404477f5c6a746efd1dd4c90411761e5f9933ec40d07e84b4
SHA3-384 hash: e22b0c7b6aeb69e35657b2118a1c637ce25bf8f6875b889b228e4bdd925f655cb1471ca08fab80255c819e7344241497
SHA1 hash: 3bb8a9ebadb51743d8ddea751d2ce64565cfab8e
MD5 hash: c15295928e1fd2a66866ef914b7cc8b8
humanhash: winter-victor-carpet-neptune
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'605'541 bytes
First seen:2023-06-16 10:31:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 80417b621299e3e1de617305557a3c68 (48 x GCleaner, 44 x Backdoor.TeamViewer, 31 x Socks5Systemz)
ssdeep 49152:86d0q2xhfFpCB5nLJDw1ynBhp9KWmj1JfU5LopNDByUpd5nwDOZ:bd05hfPCzLJDwsGK5MRRpsDOZ
Threatray 29 similar samples on MalwareBazaar
TLSH T199C53353AF8695F4EC194B7C3D348952CB0B3D3B18B6007879ABF44A1B761D324A762B
TrID 80.3% (.EXE) Inno Setup installer (109740/4/30)
10.3% (.EXE) Win32 Executable Delphi generic (14182/79/4)
3.2% (.EXE) Win32 Executable (generic) (4505/5/1)
1.5% (.EXE) Win16/32 Executable Delphi generic (2072/23)
1.4% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 01f8c0e8e8bcfc00 (25 x GCleaner)
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 :
308
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-06-16 10:33:11 UTC
Tags:
installer gcleaner
Link:
https://app.any.run/tasks/340668d5-aa59-4e53-8ba6-a84457bf166c

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/399433/
Detection(s):
SecuriteInfo.com.Trojan.DownLoader25.56768.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
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
Sending an HTTP GET request to an infection source
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/91018/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware installer lolbin overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/648c3a242550d676edfbebf2/reports/dc70eba0-682a-41dd-9494-4cd6a5546c67/overview
Verdict:
Malicious
Labled as:
HEUR/AGEN.1332256
Link:
https://www.hybrid-analysis.com/sample/c3a82b7de674acf404477f5c6a746efd1dd4c90411761e5f9933ec40d07e84b4
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.
Malware family:
Raccoon Stealer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7c779afd-dc9e-4f65-90be-46b05d6b42af
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1255932
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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 dropped file
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 888948 Sample: file.exe Startdate: 16/06/2023 Architecture: WINDOWS Score: 100 47 45.12.253.98 CMCSUS Germany 2->47 49 Snort IDS alert for network traffic 2->49 51 Found malware configuration 2->51 53 Antivirus detection for URL or domain 2->53 55 8 other signatures 2->55 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-2VKFH.tmp, PE32 10->31 dropped 13 is-2VKFH.tmp 10 24 10->13         started        process6 file7 33 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 13->33 dropped 35 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 13->35 dropped 37 C:\Users\user\AppData\Local\...\_RegDLL.tmp, PE32 13->37 dropped 39 6 other files (5 malicious) 13->39 dropped 16 Rec616.exe 24 13->16         started        process8 dnsIp9 41 45.12.253.56, 49721, 80 CMCSUS Germany 16->41 43 45.12.253.72, 49722, 80 CMCSUS Germany 16->43 45 45.12.253.75, 49723, 80 CMCSUS Germany 16->45 29 C:\Users\user\AppData\...\kVA3iM3API.exe, PE32 16->29 dropped 20 kVA3iM3API.exe 16->20         started        23 cmd.exe 1 16->23         started        file10 process11 signatures12 57 Multi AV Scanner detection for dropped file 20->57 25 taskkill.exe 1 23->25         started        27 conhost.exe 23->27         started        process13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c3a82b7de674acf404477f5c6a746efd1dd4c90411761e5f9933ec40d07e84b4/
Threat name:
Win32.Trojan.Gcleaner
Create hunting rule
Status:
Suspicious
First seen:
2023-06-16 10:32:08 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=youcw7pgoswpibchp5ogu5do7uo5jsiecf3b4x4zgpwebud6qs2a._file
Verdict:
malicious
Similar samples:
148b786875a522315116536e6cb4c3564e7e631c44f401a2ac51ac4ee45ded1d
GCleaner
235df791ae7391e3d73a6b64cacb1b15ed8e6e6f22bbfe50f91f13d5ebc84f6b
GCleaner
2507ed3ba3db274213ed6f01d08da0d9db77b3b83a522999f3dd6912af282853
GCleaner
3507d763b8c34c9072059eb85e8f64004e44d6bc5527dd67ab8d1d42f97f1d62
GCleaner
3e5fb4a0ef4bee88851f16244611c26c1300078f1771b7048310c3b25c97df39
GCleaner
7b4daf50ce63113ae3c210306e044965265e4774b639539968978ccdcaa992c5
GCleaner
9bd63ebc98e80be154e87035bbe6675b6ea1a720d3465173802b26d521efa15e
GCleaner
c3c372d8f8bb81cf47aa95b668db4ec994acb075a3f6c5b1d2ec04593dc05442
GCleaner
d3b321e579b681f27358a5f6d07bd2f3fa39b10a33ad78f5cc53f22cf34c3e1b
GCleaner
fc078e48b87b9ec668fe515d6d32a981c912979cd0917a5aa9ba14857b2ecd25
GCleaner
+ 19 additional samples on MalwareBazaar
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230616-mkyf3see34/
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:
2916b2f0a5362a72aa9d34ed8f2f311f51952835be8d2637bf6e26d1830c569a
MD5 hash:
9d2825a91285ab569642f478c4ea81c9
SHA1 hash:
64f8dde1c4d4ee82cb46562426083a149d0faa71
Detections:
Nymaim
Create hunting rule
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/3643cac9-6650-4ab1-b5de-c501c94c5d95/
SH256 hash:
88a61a6d60ee06709a2282cd68b33f1eee30e10d1b6eeacd8b3728a2605931ac
MD5 hash:
d27c3e8fbc1bf075c6a9b232d7bbe4c5
SHA1 hash:
7c4957fa9595b1931843d1e35ad67a0defd368f7
Link:
https://www.unpac.me/results/3643cac9-6650-4ab1-b5de-c501c94c5d95/
SH256 hash:
ca1db1b8239cc9585b73a955cd8fc9cdf26198a8edd19fa2fcf11ce5b90b0701
MD5 hash:
142ff6c0d4bcb630a86e12b56aa0bc0a
SHA1 hash:
5c42e876aee2202fb0fb4cae85bd254e0a8e8050
Link:
https://www.unpac.me/results/3643cac9-6650-4ab1-b5de-c501c94c5d95/
SH256 hash:
c3a82b7de674acf404477f5c6a746efd1dd4c90411761e5f9933ec40d07e84b4
MD5 hash:
c15295928e1fd2a66866ef914b7cc8b8
SHA1 hash:
3bb8a9ebadb51743d8ddea751d2ce64565cfab8e
Link:
https://www.unpac.me/results/3643cac9-6650-4ab1-b5de-c501c94c5d95/
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/c3a82b7de674acf404477f5c6a746efd1dd4c90411761e5f9933ec40d07e84b4

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
  
URLhaus
https://urlhaus.abuse.ch/url/2509470/
Cape
Cape
https://www.capesandbox.com/analysis/399433/

Comments