MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a45d5ba395a77ef748c5153a5429c5c69a3785055d1eb56c625b54d5e8001b96. 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: a45d5ba395a77ef748c5153a5429c5c69a3785055d1eb56c625b54d5e8001b96
SHA3-384 hash: a678fdf7f92020eb1f99fa3b45d41a314e0da7b2b0b8cd67217c3d92bd3e7165719a03a38bc410ccd43a196686130da6
SHA1 hash: 81befcbee62f92199dac8cc09bca0a0c0d681dae
MD5 hash: cb39a1f112d4bd24538646cebf017801
humanhash: robert-tennis-quiet-texas
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:1'164'883 bytes
First seen:2023-07-04 01:51:06 UTC
Last seen:2023-07-04 02:59:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'494 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 12288:VmkOy/uD5rxUmyvy0JoAtfWYHYODEnzu0oPMqjbX9+stbUm080L3eyEV/n88pog5:VfOy1N4zGPMu1bD0SyEFnxoWSxtP/O1
Threatray 153 similar samples on MalwareBazaar
TLSH T17845235296E4DC30F5462AF99D510006AF9F3F4AAA1C162CAD4DCD7A0FFA984D7303B6
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 :
2
# of downloads :
332
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-07-04 01:54:06 UTC
Tags:
installer gcleaner
Link:
https://app.any.run/tasks/40913b7b-7d1a-4a5e-b3c0-e2e00adff446

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/406228/
Detection(s):
Win.Malware.Agen-10005057-0
Create hunting rule

SecuriteInfo.com.Adware.Generic2.DOZ.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
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/95453/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/64a37b43cf99e7a5cfccaf01/reports/3e8cc04e-cfec-4cf9-b6b3-045ed2dd2879/overview
Verdict:
Malicious
Labled as:
Win/grayware_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/a45d5ba395a77ef748c5153a5429c5c69a3785055d1eb56c625b54d5e8001b96
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/ad53ea77-c4d8-4158-addf-703b3f5fbac4
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1266291
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: 1266291 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-AIL55.tmp, PE32 9->30 dropped 12 is-AIL55.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\...\T3RXkxgIHid.exe, PE32 15->28 dropped 21 T3RXkxgIHid.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/a45d5ba395a77ef748c5153a5429c5c69a3785055d1eb56c625b54d5e8001b96/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2023-07-04 01:52:06 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=urovxi4vu57posgfcu5fikofy2ndpbifluplk3dclnknl2aadola._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
+ 143 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-cadzksag24/
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:
e62b033c85faf55fbf00a3acaf60d7c3f12fb8bc40997187fbaa98b183584311
MD5 hash:
651c43d47aba3711067c857c74bdd5a0
SHA1 hash:
d8517523294bf60ebe431cb9c1d7cee0679b8084
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
Link:
https://www.unpac.me/results/dbb00cf8-8eeb-487e-961f-1581c5c8291c/
SH256 hash:
96d54b4aa435fdeda8f54259688c80d897ad9cab1b4a5b86d204aaa4a718b019
MD5 hash:
22a14b0ea72644dc23b375372df14413
SHA1 hash:
452abbc85ae28121398c99a29eb746c3aa834eb5
Link:
https://www.unpac.me/results/dbb00cf8-8eeb-487e-961f-1581c5c8291c/
SH256 hash:
e62b033c85faf55fbf00a3acaf60d7c3f12fb8bc40997187fbaa98b183584311
MD5 hash:
651c43d47aba3711067c857c74bdd5a0
SHA1 hash:
d8517523294bf60ebe431cb9c1d7cee0679b8084
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
Link:
https://www.unpac.me/results/dbb00cf8-8eeb-487e-961f-1581c5c8291c/
SH256 hash:
e08ad5bfa95e788b772e0d7b04c517dce0e7ad10a33c97e650a872c2624aee34
MD5 hash:
10996c65f9c0035e3669b83208789421
SHA1 hash:
4d8ce4296f5bba25f346245a746169731a938771
Link:
https://www.unpac.me/results/dbb00cf8-8eeb-487e-961f-1581c5c8291c/
SH256 hash:
96d54b4aa435fdeda8f54259688c80d897ad9cab1b4a5b86d204aaa4a718b019
MD5 hash:
22a14b0ea72644dc23b375372df14413
SHA1 hash:
452abbc85ae28121398c99a29eb746c3aa834eb5
Link:
https://www.unpac.me/results/dbb00cf8-8eeb-487e-961f-1581c5c8291c/
SH256 hash:
e08ad5bfa95e788b772e0d7b04c517dce0e7ad10a33c97e650a872c2624aee34
MD5 hash:
10996c65f9c0035e3669b83208789421
SHA1 hash:
4d8ce4296f5bba25f346245a746169731a938771
Link:
https://www.unpac.me/results/dbb00cf8-8eeb-487e-961f-1581c5c8291c/
SH256 hash:
a45d5ba395a77ef748c5153a5429c5c69a3785055d1eb56c625b54d5e8001b96
MD5 hash:
cb39a1f112d4bd24538646cebf017801
SHA1 hash:
81befcbee62f92199dac8cc09bca0a0c0d681dae
Link:
https://www.unpac.me/results/dbb00cf8-8eeb-487e-961f-1581c5c8291c/
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
  
URLhaus
https://urlhaus.abuse.ch/url/2509470/
Cape
Cape
https://www.capesandbox.com/analysis/406228/

Comments