MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 397b266ea8a2c5bd5fae9c3fa40da00cd1d13cbb06fc30b339893c25db8399d4. 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: 16


Intelligence 16 IOCs YARA 3 File information Comments

SHA256 hash: 397b266ea8a2c5bd5fae9c3fa40da00cd1d13cbb06fc30b339893c25db8399d4
SHA3-384 hash: 9753e1ea6cc578909dd2737c4f334adfa1d1d80d3c9d3fc606f0aace4307786c07293eb91e34a9280fcff462670956b3
SHA1 hash: 70f7dbf5fab3b85bc8147f70079ed5397e8adecd
MD5 hash: 494cdfb44586e907f2d7e74ed5635190
humanhash: leopard-grey-zebra-romeo
File name:file
Download: download sample
Signature GCleaner
File size:2'652'365 bytes
First seen:2023-06-15 18:34:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 80417b621299e3e1de617305557a3c68 (48 x GCleaner, 44 x Backdoor.TeamViewer, 31 x Socks5Systemz)
ssdeep 49152:46dbHHA1ktDqXYSKQI6aui3e+Yklnla5DERD1D6/7VaG0RsHZL6UbO8AnwDOZ:Xdk1ktEyQpN9kl4YGazy5L6Ui8HDOZ
Threatray 19 similar samples on MalwareBazaar
TLSH T11FC53367EF0659FEF8229B303D355E32DD6A7C7340B9082DB9AC3A581EB71E1645600B
TrID 80.3% (.EXE) Inno Setup installer (109740/4/30)
10.3% (.EXE) Win32 Executable Delphi generic (14182/79/4)
3.2% (.EXE) Win32 Executable (generic) (4505/5/1)
1.5% (.EXE) Win16/32 Executable Delphi generic (2072/23)
1.4% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 01f8c0e8e8bcfc00 (25 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 :
298
Origin country :
US US
Vendor Threat Intelligence
Malware family:
redline
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-06-15 18:35:30 UTC
Tags:
installer gcleaner loader rat redline

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
Modifying a system file
Searching for synchronization primitives
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
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware installer lolbin overlay packed shell32.dll
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 888537 Sample: file.exe Startdate: 15/06/2023 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 8 other signatures 2->55 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-MKJEG.tmp, PE32 10->31 dropped 13 is-MKJEG.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 Rec615.exe 22 13->16         started        process8 dnsIp9 41 45.12.253.56, 49701, 80 CMCSUS Germany 16->41 43 45.12.253.72, 49702, 80 CMCSUS Germany 16->43 45 45.12.253.75, 49703, 80 CMCSUS Germany 16->45 29 C:\Users\user\AppData\...299qkpaDwxv3oT.exe, PE32 16->29 dropped 20 N9qkpaDwxv3oT.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
Threat name:
Win32.Trojan.Gcleaner
Status:
Suspicious
First seen:
2023-06-15 18:35:07 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
gcleaner
Score:
  10/10
Tags:
family:gcleaner discovery loader
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:
8865407bd6d13c39ddba2bca535a1de288a4bf263c64810ea07121526b2470cd
MD5 hash:
3926b7dd589acdb0d3cd094f5502263a
SHA1 hash:
06bc29dfa0792846212f4dfcea7b02ce1058f1c3
Detections:
Nymaim win_nymaim_g0 win_gcleaner_auto
SH256 hash:
966143ce8bc26f91f8a47c5355a1b4aad83a617919418a6fc75cdf0e73c68373
MD5 hash:
18610f186e3d84193b6519a5b9a631fa
SHA1 hash:
a02d128f823c18af68c55df9874a0a2c8ec82558
SH256 hash:
397b266ea8a2c5bd5fae9c3fa40da00cd1d13cbb06fc30b339893c25db8399d4
MD5 hash:
494cdfb44586e907f2d7e74ed5635190
SHA1 hash:
70f7dbf5fab3b85bc8147f70079ed5397e8adecd
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
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:win_gcleaner_auto
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

Comments