MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 955bfe05fa04b59a43eabfbc6687f4df1aaa53a8d452d3691b11643264bede8a. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 955bfe05fa04b59a43eabfbc6687f4df1aaa53a8d452d3691b11643264bede8a
SHA3-384 hash: 18d07548ea11ef4dc70771e56d85ba1f6120423e473bdcbbcda9b838d2623fee1b806ca238bd9595a1332903a6cff489
SHA1 hash: 08b17f90b143e37f5b0a7669b14b7a61a4740397
MD5 hash: 0f0ef3e6b9c0ddc1dc1c1c217e8e4a6a
humanhash: two-hydrogen-lemon-spring
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:1'171'236 bytes
First seen:2023-07-04 01:01:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'449 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 24576:VfOy4l1bf7P7VTtDEGxn0N3Jy4iSzXEH3eJGtP/O1:VGB7pBD3x0Bc4iSae85/O1
Threatray 152 similar samples on MalwareBazaar
TLSH T1EF4523DA53BF85BDF02697726F398528AA7F3E66DE34361CA70E185C4F0E0939115322
TrID 50.8% (.EXE) Win32 Executable PowerBASIC/Win 9.x (148303/79/28)
37.6% (.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 ddfee6e4e6fedc00 (17 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 :
314
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-07-04 01:02:36 UTC
Tags:
installer gcleaner
Link:
https://app.any.run/tasks/291692eb-226b-41d0-8f0b-a1d4cbe474b9

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/406225/
Detection(s):
Win.Malware.Agen-10005057-0
Create hunting rule

SecuriteInfo.com.Adware.Generic2.DOZ.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Searching for the window
Creating a file in the Program Files subdirectories
Moving a file to the Program Files subdirectory
Launching the process to interact with network services
Modifying a system file
Launching a process
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/95450/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control gcleaner greyware installer lolbin overlay packed packed shell32
Link:
https://www.filescan.io/uploads/64a36f8a1a035eeff9b3d24e/reports/a09fcfef-0dbf-4ccd-b661-6e9eb2124252/overview
Verdict:
Malicious
Labled as:
Win/grayware_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/955bfe05fa04b59a43eabfbc6687f4df1aaa53a8d452d3691b11643264bede8a
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/344fe880-2092-493e-9ff6-0e9a1134a1c3
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1266286
Signature
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
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1266286 Sample: file.exe Startdate: 04/07/2023 Architecture: WINDOWS Score: 100 40 45.12.253.72 CMCSUS Germany 2->40 42 45.12.253.98 CMCSUS Germany 2->42 46 Found malware configuration 2->46 48 Antivirus detection for URL or domain 2->48 50 Antivirus detection for dropped file 2->50 52 5 other signatures 2->52 9 file.exe 2 2->9         started        signatures3 process4 file5 30 C:\Users\user\AppData\Local\...\is-MOIQ0.tmp, PE32 9->30 dropped 12 is-MOIQ0.tmp 11 102 9->12         started        process6 file7 32 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 12->32 dropped 34 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 12->34 dropped 36 C:\...\unins000.exe (copy), PE32 12->36 dropped 38 8 other files (6 malicious) 12->38 dropped 15 RekSpacer73.exe 8 12->15         started        19 net.exe 1 12->19         started        process8 dnsIp9 44 45.12.253.56, 80 CMCSUS Germany 15->44 28 C:\Users\user\AppData\...\kYfV9IXWVmZ.exe, PE32 15->28 dropped 21 kYfV9IXWVmZ.exe 15->21         started        24 conhost.exe 19->24         started        26 net1.exe 1 19->26         started        file10 process11 signatures12 54 Multi AV Scanner detection for dropped file 21->54
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/955bfe05fa04b59a43eabfbc6687f4df1aaa53a8d452d3691b11643264bede8a/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Suspicious
First seen:
2023-07-04 01:02:05 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=svn74bp2as2zuq7kx66gnb7u34nkuu5i2rjng2i3cfsdezf632fa._file
Verdict:
unknown
Similar samples:
474e293e9c25fdccd36c77f62b4b234fc97d8f1122dcbe78494f5482b6675f44
GCleaner
878089116b0342bf962ed58a5c51ab9dbe845d7f64843cbf0dea9a000baad892
GCleaner
95b92e2a259749734d8fd7f1e146423f9c8af94ef58d538e195b149c1e8abd7a
GCleaner
a966075818dd971effd37c47d3de59591064a7bc99f37296e04c6d8a63ce3ea2
GCleaner
adb6fcdf68a54e44cbc8e720040436958931ebbde6ba507ddff6fa20ec8b9774
GCleaner
bf1e6887eae7ff57e6ce8355e63829532807b64599c60c2a378faad2522f3ce5
GCleaner
c50ed0352f86462194d23cc0b3128c28eca1eaa426049abddd58e697e29831cb
GCleaner
d604590b5c7a14a354f325a3884dbefe9f01c19b0d6927e3aa4a437777022dd5
GCleaner
e88259872bb2df0913c156511df3eba707e0a39f520fecd3316654c26cd05334
GCleaner
f77c4cd95258a487da134a7537ba181ff528e07116c5a96887e315bb2d20213a
GCleaner
+ 142 additional samples on MalwareBazaar
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230704-bdsfpsae96/
Behaviour
Kills process with taskkill
Runs net.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
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:
5d23e65e6d09d9d550d313386455914029440830c5a7a1eb227a4fbefd6d0fd6
MD5 hash:
8c025528a2e1096bb658a7c4fb44df16
SHA1 hash:
94025feeddf5cb293db2525f8d1ab4a3cc60689d
Detections:
Nymaim
Create hunting rule
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Nymaim
Create hunting rule
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Nymaim
Create hunting rule
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/9f6475c6-53e5-4891-86e1-b84585582e16/
SH256 hash:
0f1bdc479f5e55596dc813bc45334c15b0eb3c6a66212af047d2f896fa38ec65
MD5 hash:
5fd2f367b0d5c49df87c3e780ca24a9a
SHA1 hash:
8280e3ccd481bd1ad6268a91ad1a16088e90a5c6
Link:
https://www.unpac.me/results/9f6475c6-53e5-4891-86e1-b84585582e16/
SH256 hash:
86abbaa00284ca7f231a34dccab70960c90d3ba642d7f5bd25a8d8e741812297
MD5 hash:
72177ef4853a2ae42f4e34b405125fd4
SHA1 hash:
5ea044b20c118c08cfe9b0f3384c176449bed10b
Link:
https://www.unpac.me/results/9f6475c6-53e5-4891-86e1-b84585582e16/
SH256 hash:
5d23e65e6d09d9d550d313386455914029440830c5a7a1eb227a4fbefd6d0fd6
MD5 hash:
8c025528a2e1096bb658a7c4fb44df16
SHA1 hash:
94025feeddf5cb293db2525f8d1ab4a3cc60689d
Detections:
Nymaim
Create hunting rule
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Nymaim
Create hunting rule
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Nymaim
Create hunting rule
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/9f6475c6-53e5-4891-86e1-b84585582e16/
SH256 hash:
0f1bdc479f5e55596dc813bc45334c15b0eb3c6a66212af047d2f896fa38ec65
MD5 hash:
5fd2f367b0d5c49df87c3e780ca24a9a
SHA1 hash:
8280e3ccd481bd1ad6268a91ad1a16088e90a5c6
Link:
https://www.unpac.me/results/9f6475c6-53e5-4891-86e1-b84585582e16/
SH256 hash:
86abbaa00284ca7f231a34dccab70960c90d3ba642d7f5bd25a8d8e741812297
MD5 hash:
72177ef4853a2ae42f4e34b405125fd4
SHA1 hash:
5ea044b20c118c08cfe9b0f3384c176449bed10b
Link:
https://www.unpac.me/results/9f6475c6-53e5-4891-86e1-b84585582e16/
SH256 hash:
5d23e65e6d09d9d550d313386455914029440830c5a7a1eb227a4fbefd6d0fd6
MD5 hash:
8c025528a2e1096bb658a7c4fb44df16
SHA1 hash:
94025feeddf5cb293db2525f8d1ab4a3cc60689d
Detections:
Nymaim
Create hunting rule
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Nymaim
Create hunting rule
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Nymaim
Create hunting rule
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/9f6475c6-53e5-4891-86e1-b84585582e16/
SH256 hash:
0f1bdc479f5e55596dc813bc45334c15b0eb3c6a66212af047d2f896fa38ec65
MD5 hash:
5fd2f367b0d5c49df87c3e780ca24a9a
SHA1 hash:
8280e3ccd481bd1ad6268a91ad1a16088e90a5c6
Link:
https://www.unpac.me/results/9f6475c6-53e5-4891-86e1-b84585582e16/
SH256 hash:
86abbaa00284ca7f231a34dccab70960c90d3ba642d7f5bd25a8d8e741812297
MD5 hash:
72177ef4853a2ae42f4e34b405125fd4
SHA1 hash:
5ea044b20c118c08cfe9b0f3384c176449bed10b
Link:
https://www.unpac.me/results/9f6475c6-53e5-4891-86e1-b84585582e16/
SH256 hash:
955bfe05fa04b59a43eabfbc6687f4df1aaa53a8d452d3691b11643264bede8a
MD5 hash:
0f0ef3e6b9c0ddc1dc1c1c217e8e4a6a
SHA1 hash:
08b17f90b143e37f5b0a7669b14b7a61a4740397
Link:
https://www.unpac.me/results/9f6475c6-53e5-4891-86e1-b84585582e16/
Please note that we are no longer able to provide a coverage score for Virus Total.

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/406225/
  
URLhaus
https://urlhaus.abuse.ch/url/2509470/

Comments