MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8648121a838fafe4fa493dd6b5a4bb0b694a1efb3ba82f8f08d7c48d7e5a3d77. 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

SHA256 hash: 8648121a838fafe4fa493dd6b5a4bb0b694a1efb3ba82f8f08d7c48d7e5a3d77
SHA3-384 hash: d75e580be4076282ac02cc560b3b32bbb892c98a0cbf64b577c53c33be4e113abb651abb61db8f57f160c6332f082913
SHA1 hash: 18da147b0284d0f74ade4906d1444cd756de0337
MD5 hash: 214c215df88ad1146f81ed086b037514
humanhash: maine-wolfram-william-wisconsin
File name:file
Download: download sample
Signature GCleaner
File size:3'445'795 bytes
First seen:2023-02-12 16:30:58 UTC
Last seen:2023-02-12 16:59:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'447 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:rdHGotxOPRQtCGXxWyHudCpAB9jUXObsYyEfYhKvUdQiTPEugyBNLhe86LCgv2MR:JHGKxPtp4yWwABdbycYWQxgyfLhsv2MR
TLSH T1CEF5227C3506C8ADD280BEB8883A94EB5CD76EE3E9E4915374C97F3F527924C861A107
TrID 78.6% (.EXE) Inno Setup installer (109740/4/30)
10.1% (.EXE) Win32 Executable Delphi generic (14182/79/4)
3.2% (.EXE) Win32 Executable (generic) (4505/5/1)
2.1% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
1.4% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 14b0b0fceeaa3b18 (363 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 :
8
# of downloads :
199
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-12 16:34:22 UTC
Tags:
installer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Launching a tool to kill processes
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 overlay packed shell32.dll
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.
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Machine Learning detection for dropped file
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Obfuscated command line found
Snort IDS alert for network traffic
Yara detected Nymaim
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 805459 Sample: file.exe Startdate: 12/02/2023 Architecture: WINDOWS Score: 100 48 45.12.253.98 CMCSUS Germany 2->48 50 Snort IDS alert for network traffic 2->50 52 Multi AV Scanner detection for submitted file 2->52 54 Detected unpacking (changes PE section rights) 2->54 56 4 other signatures 2->56 10 file.exe 2 2->10         started        signatures3 process4 file5 32 C:\Users\user\AppData\Local\Temp\...\file.tmp, PE32 10->32 dropped 60 Obfuscated command line found 10->60 14 file.tmp 18 17 10->14         started        signatures6 process7 file8 34 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 14->34 dropped 36 C:\Users\user\AppData\Local\...\_isdecmp.dll, PE32 14->36 dropped 38 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 14->38 dropped 40 7 other files (6 malicious) 14->40 dropped 17 FRec212.exe 24 14->17         started        process9 dnsIp10 42 45.12.253.56, 49702, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49703, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49704, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\...\TphxWl97.exe, PE32 17->30 dropped 21 TphxWl97.exe 17->21         started        24 cmd.exe 1 17->24         started        file11 process12 signatures13 58 Multi AV Scanner detection for dropped file 21->58 26 taskkill.exe 1 24->26         started        28 conhost.exe 24->28         started        process14
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2023-02-12 16:31:08 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Verdict:
malicious
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:
7165d43135ec1bdc1f16e5419ca7024e2e818539264a538cc1a01a8d426bb88d
MD5 hash:
3648e9699d92280f69efac3b84803422
SHA1 hash:
e175c1188f20715442ea2f6a79ebdb7ab9d1ad6b
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
64e301c9a740c6c20f33ac0df023cb78a6a3843cc7ab16a48cd11d22fdce9d83
MD5 hash:
e5462fb4b07b56c6edd7000182364317
SHA1 hash:
d997925fee9ebf950c9d7a2bfa6cd6efcc301b03
SH256 hash:
9299badb6533ebb562a20e56df211a79bb89763317acd0e876d5805996207f71
MD5 hash:
7d66298f70867cd4f7febdf99de2cbe9
SHA1 hash:
7eecbe733918221eca813de88da10c6d2ea4a700
SH256 hash:
8648121a838fafe4fa493dd6b5a4bb0b694a1efb3ba82f8f08d7c48d7e5a3d77
MD5 hash:
214c215df88ad1146f81ed086b037514
SHA1 hash:
18da147b0284d0f74ade4906d1444cd756de0337
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