MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81e241febfc8f6b577db54026ede71a2b81234de9a6ba1d46b20913893e7a892. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 81e241febfc8f6b577db54026ede71a2b81234de9a6ba1d46b20913893e7a892
SHA3-384 hash: 01625727615f4f17a060606d18376f65bcf65d87fdc3e1fa7e8b5204ea86709b1e1cde35e529c2827b8b6af1c0fa3408
SHA1 hash: 756d5d42a99454e55e5b50837e1a4cdd51ca0124
MD5 hash: 29e1fb525618dd0a118735a9cfae2749
humanhash: uranus-network-shade-paris
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'761'582 bytes
First seen:2023-06-20 08:53:20 UTC
Last seen:2023-06-20 09:28:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'501 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:2Gagz+UnTldb5wsaFzCfk8wEPopu42yvXrnado6uKJ2CDPk6ekWFBWXuN:fagrbDMCfk8x43NJkkOEN
Threatray 9 similar samples on MalwareBazaar
TLSH T1F8D512058B7CD920C1FC88F9EFE133D9A228E4201BFA41DA68B7563BE49565D2E3F514
TrID 61.1% (.EXE) Inno Setup installer (109740/4/30)
23.9% (.EXE) InstallShield setup (43053/19/16)
7.8% (.EXE) Win32 Executable Delphi generic (14182/79/4)
2.5% (.EXE) Win32 Executable (generic) (4505/5/1)
1.1% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon cc3271cccc65328e (8 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 :
285
Origin country :
US US
Vendor Threat Intelligence
Malware family:
redline
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-06-20 08:56:00 UTC
Tags:
installer gcleaner loader rat redline
Link:
https://app.any.run/tasks/492d97af-6cb7-4cd3-b84c-03ee659e7090

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/400940/
Detection(s):
SecuriteInfo.com.Adware.Bestcode.10.23973.2984.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
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/91856/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/6491692b4c9361a70986ec3e/reports/4404bc00-fd57-4bc7-9047-2aa746fd6739/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/81e241febfc8f6b577db54026ede71a2b81234de9a6ba1d46b20913893e7a892
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/3b366de3-d899-4513-a8ba-051af0fe8481
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1258072
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: 891092 Sample: file.exe Startdate: 20/06/2023 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 7 other signatures 2->55 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-U6RGP.tmp, PE32 10->31 dropped 13 is-U6RGP.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 Rec620.exe 21 13->16         started        process8 dnsIp9 41 45.12.253.56, 49710, 80 CMCSUS Germany 16->41 43 45.12.253.72, 49711, 80 CMCSUS Germany 16->43 45 45.12.253.75, 49712, 80 CMCSUS Germany 16->45 29 C:\Users\user\AppData\...\a4ne9y7L5B76.exe, PE32 16->29 dropped 20 a4ne9y7L5B76.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/81e241febfc8f6b577db54026ede71a2b81234de9a6ba1d46b20913893e7a892/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2023-06-20 08:54:07 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qhred7v7zd3lk563kqbg5xtruk4beng6tjv2dvdlecitre7hvcja._file
Verdict:
malicious
Similar samples:
0a0c50dbc5d0c9811bfd0552ddd075e0e1df2cf07049cc546e41f9bf08cb8290
GCleaner
10edfa4412d628cdc545e44580f8be59cce735221e16a276db3adf4d3249efa8
GCleaner
1c821e8b3af28342dd4b32a281cdf1c9f08531ea85811ff82e44e5a23b2414a2
GCleaner
23774c27f7f1f462299c731005ee008aca92884625a97dbf6ae8cca78448dd2d
GCleaner
4508befe4b8012035c52c7aaccbe89b9f75919bdcc86feb8fe79ae01fdea8179
GCleaner
6ef3cb86624f365a270577001d0845baa4d89cdfb74909e933359047fa55dc6d
GCleaner
774ae4107d461361d672eb14e89dd4aec312cc1b880e7b24c0cbad40c774c0ce
GCleaner
bacec47b2b2ffb2f8446b883726f40f312aadfd83d697b6081bd595ff49030f2
GCleaner
f99105d3e75dd3ff6a90047b7ba912f4fcec7234695b9355a5d9cfb6db0fb05c
GCleaner
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230620-ktv17scc2z/
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:
07eaf412f78cca9aa6334c1f00a745355f24745d2a09e3795885d3b8840da268
MD5 hash:
e4ffa40cca60f2d75552a7e909c54666
SHA1 hash:
4d19214134e22c9f1e1788ebf8784e22d0ea12ae
Detections:
Nymaim
Create hunting rule
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/2679c785-b63d-417a-a4b1-8ad46b25b05c/
SH256 hash:
dfc10058371f871fedf772a9db2b5e4e21d8942d248f5c4dc31c335d61af850a
MD5 hash:
ffa9fde1f66ad4912442de79ed799e8c
SHA1 hash:
a83ec28e9f42659422e34f9688a7deb172631bdb
Link:
https://www.unpac.me/results/2679c785-b63d-417a-a4b1-8ad46b25b05c/
SH256 hash:
65af555b0c4326085e3d9c48c69c77d028c7a1e567248c34208520a55a3ba552
MD5 hash:
929deabae6b3c6bb9cb8c2227d9f100d
SHA1 hash:
56163afe80dae6522539e220004ca0c85ee94723
Link:
https://www.unpac.me/results/2679c785-b63d-417a-a4b1-8ad46b25b05c/
SH256 hash:
81e241febfc8f6b577db54026ede71a2b81234de9a6ba1d46b20913893e7a892
MD5 hash:
29e1fb525618dd0a118735a9cfae2749
SHA1 hash:
756d5d42a99454e55e5b50837e1a4cdd51ca0124
Link:
https://www.unpac.me/results/2679c785-b63d-417a-a4b1-8ad46b25b05c/
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/81e241febfc8f6b577db54026ede71a2b81234de9a6ba1d46b20913893e7a892

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/400940/
  
URLhaus
https://urlhaus.abuse.ch/url/2509470/

Comments