MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 88bb0b99192e3e68e4d74cf3e5b4caffb8eabf3e29b6dfb290430f0580767618. 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: 88bb0b99192e3e68e4d74cf3e5b4caffb8eabf3e29b6dfb290430f0580767618
SHA3-384 hash: 9ed601681359f7d95cd45bce4d61a92b6e2282a058ceb91633a72835da68f27f0dab3239cb43f174eddacc233198f399
SHA1 hash: be47de9b651affc5bdfccd1ae637c0963b5c9339
MD5 hash: d043161c0503d6033ebd56c7ee7501c3
humanhash: saturn-uranus-carolina-failed
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'036'144 bytes
First seen:2023-05-17 05:38:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash da86ff6d22d7419ae7f10724a403dffd (1'679 x GCleaner, 1 x Socks5Systemz)
ssdeep 49152:wiRwaNGSj5KeyRlK+iVEJDsVCfvgdfifk8ZsYCkkUAG5cL:w4iSj5kad2ICfvgdqfk8WgXcL
Threatray 3'134 similar samples on MalwareBazaar
TLSH T1739533A761840731C1F24E708CA20826DD662777D87F5855F99C8EE17B3B89CEA1B363
TrID 81.0% (.EXE) Inno Setup installer (109740/4/30)
10.4% (.EXE) Win32 Executable Delphi generic (14182/79/4)
3.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.2% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
1.4% (.EXE) Generic Win/DOS Executable (2002/3)
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 :
361
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-05-17 05:41:17 UTC
Tags:
installer gcleaner
Link:
https://app.any.run/tasks/a4c4be7b-4db6-4635-927c-b90bc60d556d

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/390585/
Detection(s):
PUA.Win.Packer.Overlay-1
Create hunting rule

SecuriteInfo.com.Win32.Malware-gen.24316.29731.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
Modifying a system file
Creating a file in the %AppData% subdirectories
Running batch commands
Creating a process with a hidden window
Creating a file in the Windows subdirectories
Using the Windows Management Instrumentation requests
Launching a tool to kill processes
Sending an HTTP GET request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware installer overlay packed packed
Link:
https://www.filescan.io/uploads/646468773102425a10e187f9/reports/7f87b16f-fad4-4643-b22b-d6fc60013716/overview
Verdict:
Malicious
Labled as:
Win/grayware_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/88bb0b99192e3e68e4d74cf3e5b4caffb8eabf3e29b6dfb290430f0580767618
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:
Malicious
Link:
https://analyze.intezer.com/analyses/8aeb34be-4784-4cbe-a74c-1134e47af378
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1234964
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
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: 867946 Sample: file.exe Startdate: 17/05/2023 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 7 other signatures 2->55 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-0FIA2.tmp, PE32 10->31 dropped 13 is-0FIA2.tmp 10 23 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:\...\unins000.exe (copy), PE32 13->37 dropped 39 5 other files (4 malicious) 13->39 dropped 16 Rec517.exe 20 13->16         started        process8 dnsIp9 41 45.12.253.56, 49695, 80 CMCSUS Germany 16->41 43 45.12.253.72, 49696, 80 CMCSUS Germany 16->43 45 45.12.253.75, 49697, 80 CMCSUS Germany 16->45 29 C:\Users\user\AppData\...\eAGdsYdcOa.exe, PE32 16->29 dropped 20 eAGdsYdcOa.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/88bb0b99192e3e68e4d74cf3e5b4caffb8eabf3e29b6dfb290430f0580767618/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rc5qxgizfy7grzgxjtz6lngk764ovpz6fg3n7muqimhqladwoyma._file
Verdict:
malicious
Similar samples:
5a46d6609ab359b4acaff96176d8048cb4e31538916ae42955a8eeac30d1898d
GCleaner
5cf5738180eef57579603861d64e85be72a43add89d83e0c7185bcbca47f2e6b
GCleaner
7e44cc9fe4070a2217c5b9774206d035199f57e928ecb6b940b32e0eb4f0a512
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83ffccb23ae448ae1199d5df4346b5532c3bab16b5006122e6d9387cb91e87eb
GCleaner
865cc90fe7438f50eadd10536f11d15055b30ef9b165fcb26a88405dfec4d510
GCleaner
88fd0a94701b9fe6d5f97030a170a72bdae6570623aad84b7fb315e6317b0401
GCleaner
948e0cf55222bc9a126d35a64d1c8693afd936b0afaa614c6367b336706b8132
GCleaner
96c6c5c160f3190926e58774eb84a02332a4ecd3d056580160a00b76c5b3ae88
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b3b3b27f66aa3f05022407d9c92d756e447425c510df0c428ddbd894d3f92198
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d896a70344f563564b69b669e778f5508dffe0f7f2f407095286a408d2cc7203
GCleaner
+ 3'124 additional samples on MalwareBazaar
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230517-gcagdsdh28/
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:
952e8c711a5fc91c3aa63e7f4880ee461972646982321f772b2ad36e2dba7f2f
MD5 hash:
98982b63bcd10a3af0a4459bb4c36665
SHA1 hash:
6b36bc5b6bc3b5f3906391a5e08440bee4d3ea3a
Detections:
Nymaim
Create hunting rule
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/5dda95a0-37ac-4ea1-9d0b-ebf95de9b832/
SH256 hash:
44429fd99515fdd91ac61488cc0b953d523252f819f22db4e6a1f78b636b7d40
MD5 hash:
eb56ea8a7c3d0277e3e27d58a258e00a
SHA1 hash:
5cf9b6b01f91a1b66d45162482c1b60b9679d4f1
Link:
https://www.unpac.me/results/5dda95a0-37ac-4ea1-9d0b-ebf95de9b832/
SH256 hash:
851e0455eea1fe6723c42d4c67200bfa66fef3bb4aa0c0444c2d5714938660b4
MD5 hash:
40821937eb53aafeede77a44389e71d4
SHA1 hash:
07f7beac51e6733920a692c56dbbdd19822f450d
Link:
https://www.unpac.me/results/5dda95a0-37ac-4ea1-9d0b-ebf95de9b832/
SH256 hash:
88bb0b99192e3e68e4d74cf3e5b4caffb8eabf3e29b6dfb290430f0580767618
MD5 hash:
d043161c0503d6033ebd56c7ee7501c3
SHA1 hash:
be47de9b651affc5bdfccd1ae637c0963b5c9339
Link:
https://www.unpac.me/results/5dda95a0-37ac-4ea1-9d0b-ebf95de9b832/
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/88bb0b99192e3e68e4d74cf3e5b4caffb8eabf3e29b6dfb290430f0580767618

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/390585/

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