MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3b3b27f66aa3f05022407d9c92d756e447425c510df0c428ddbd894d3f92198. 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: b3b3b27f66aa3f05022407d9c92d756e447425c510df0c428ddbd894d3f92198
SHA3-384 hash: fe70a82bf4784a21ce561f6db03557a59d6518914eafee0e6079e590de146a1a8136d8a7834061749ee5eb6db51654e1
SHA1 hash: 2e933a1a83556977eacddb86c36071dce8421c3f
MD5 hash: 89614e181b8c1d12daea2ad1ab1ad225
humanhash: eight-april-fruit-michigan
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:1'990'971 bytes
First seen:2023-05-15 18:04:59 UTC
Last seen:2023-05-15 18:29:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash da86ff6d22d7419ae7f10724a403dffd (1'679 x GCleaner, 1 x Socks5Systemz)
ssdeep 49152:cW+3cA2rCnlbHqdJhx0ogZC/0yd8PZtC1fXAG5cD:cXB2r+5qdJhBMy+6hXXcD
Threatray 3'121 similar samples on MalwareBazaar
TLSH T133953313EA45C1F8F3C29A30DC429F5AEDBD73127CB91D953B9C05667F6A1922A12383
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 :
3
# of downloads :
291
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-05-15 18:06:33 UTC
Tags:
installer gcleaner
Link:
https://app.any.run/tasks/eeb167c5-b078-4827-866a-6a06c395fae8

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/390229/
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
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/84728/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gcleaner greyware installer overlay packed packed
Link:
https://www.filescan.io/uploads/6462744f75e587f1bf6be421/reports/9957df19-3079-400b-b39b-b3c0f7fe4631/overview
Verdict:
Malicious
Labled as:
Win/grayware_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/b3b3b27f66aa3f05022407d9c92d756e447425c510df0c428ddbd894d3f92198
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/0f2b3f33-9f6d-48e4-8f0f-a001516bae8a
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1234011
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
Snort IDS alert for network traffic
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 866992 Sample: file.exe Startdate: 15/05/2023 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 6 other signatures 2->55 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-5APMS.tmp, PE32 10->31 dropped 13 is-5APMS.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 Rec515.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\...\keltJrwev.exe, PE32 16->29 dropped 20 keltJrwev.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/b3b3b27f66aa3f05022407d9c92d756e447425c510df0c428ddbd894d3f92198/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2023-05-15 18:05:09 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=woz3e73gvi7qkarea7m4sllvnzchijofcdpqyqun3pmjju7zegma._file
Verdict:
malicious
Similar samples:
121a989787cc300ec5239c8e4da3823e38d302604f0b14ccb1c560294b33f462
GCleaner
5a46d6609ab359b4acaff96176d8048cb4e31538916ae42955a8eeac30d1898d
GCleaner
5cf5738180eef57579603861d64e85be72a43add89d83e0c7185bcbca47f2e6b
GCleaner
7e44cc9fe4070a2217c5b9774206d035199f57e928ecb6b940b32e0eb4f0a512
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83ffccb23ae448ae1199d5df4346b5532c3bab16b5006122e6d9387cb91e87eb
GCleaner
865cc90fe7438f50eadd10536f11d15055b30ef9b165fcb26a88405dfec4d510
GCleaner
88fd0a94701b9fe6d5f97030a170a72bdae6570623aad84b7fb315e6317b0401
GCleaner
96c6c5c160f3190926e58774eb84a02332a4ecd3d056580160a00b76c5b3ae88
GCleaner
bf7d9b82ff0c3842fbd1dff7ffa94389d376af2b5d01ce504072f7985b556325
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d896a70344f563564b69b669e778f5508dffe0f7f2f407095286a408d2cc7203
GCleaner
+ 3'111 additional samples on MalwareBazaar
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230515-wn6fjafc2w/
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:
79329f54ec4e9b2cc809c26bd19142dc4870fd5291a9f12cbeedd54c0de572d0
MD5 hash:
74e1676163fbd30cafde45881485da49
SHA1 hash:
3344151ad6ab080f42de618f51ec04cb0a0822d4
Detections:
Nymaim
Create hunting rule
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/c24c7b23-2ccd-43b6-ace4-b363d623e60d/
SH256 hash:
80b389e606f693d85c123d35c691a1798da93fcffad7b3772099475539dc5684
MD5 hash:
14149babdd9262af54c5e564b206d9b3
SHA1 hash:
7bcefcd5e9c7ac5bb8c732c3f11e7f25a5a0b14d
Link:
https://www.unpac.me/results/c24c7b23-2ccd-43b6-ace4-b363d623e60d/
SH256 hash:
b3bd3215fe38834cb2b65c476e56a6c320f691f34ad1fe0651b67453a2015496
MD5 hash:
8814640b32fd2b5e1cc5d328d94f94a0
SHA1 hash:
5c0122fc1632e589e1557f6b220624adf4e6224b
Link:
https://www.unpac.me/results/c24c7b23-2ccd-43b6-ace4-b363d623e60d/
SH256 hash:
b3b3b27f66aa3f05022407d9c92d756e447425c510df0c428ddbd894d3f92198
MD5 hash:
89614e181b8c1d12daea2ad1ab1ad225
SHA1 hash:
2e933a1a83556977eacddb86c36071dce8421c3f
Link:
https://www.unpac.me/results/c24c7b23-2ccd-43b6-ace4-b363d623e60d/
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/390229/

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