MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7750663d984441ed3e1cc46e7ae8e15bebd5e3486a161bc2e426c9e5a8878ccd. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments

SHA256 hash: 7750663d984441ed3e1cc46e7ae8e15bebd5e3486a161bc2e426c9e5a8878ccd
SHA3-384 hash: c3632c76cff883a6203b9e574b02a5ff563c581d8efd50199260df2fa9026aebf4cd634bde95f0c17200c18bf429abf7
SHA1 hash: 20e7034d2e4f1302772fb1035999a3a7006dec0e
MD5 hash: fd60c61da9cd34ccfd1ec7aa1d16676f
humanhash: aspen-nuts-december-magnesium
File name:file
Download: download sample
Signature GCleaner
File size:2'061'760 bytes
First seen:2023-02-06 01:01:42 UTC
Last seen:2023-02-06 01:29:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'453 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:xa+Lw2oVdAjjTqGvZiwkEt5wu8J4mwdY32hKl6VqtDjLCgv2MR:Q+MdVjGvgXqwu82mwdYGkVlv2MR
TLSH T1879523429110C0F2E762DF75EB2C4AF5A8A3BC51D9E09127307D3F5E3A7616DB92E602
TrID 75.1% (.EXE) Inno Setup installer (109740/4/30)
9.7% (.EXE) Win32 Executable Delphi generic (14182/79/4)
4.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.0% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
File icon (PE):PE icon
dhash icon 3cfcd4d4f4f2f2b2 (49 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 :
19
# of downloads :
201
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-06 01:04:22 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:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
greyware 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
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: 798942 Sample: file.exe Startdate: 06/02/2023 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 16 10->14         started        signatures6 process7 file8 34 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 14->34 dropped 36 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 14->36 dropped 38 C:\Users\user\AppData\Local\...\_RegDLL.tmp, PE32 14->38 dropped 40 6 other files (5 malicious) 14->40 dropped 17 FRec25.exe 24 14->17         started        process9 dnsIp10 42 45.12.253.56, 49714, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49715, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49716, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\...\7rlhga6QMQ6.exe, PE32 17->30 dropped 21 7rlhga6QMQ6.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.Generic
Status:
Suspicious
First seen:
2023-02-06 01:02:09 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
9 of 39 (23.08%)
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:
98ee4637a665f59d063be92c69597ffba4fc765c48c7b7aa65741010779d2a57
MD5 hash:
b7ae7ea032376339a2144a99df16a6d1
SHA1 hash:
830f583c76532c8b7211f9a5c4d0fc37fb1430d0
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
491da37bf877b134f330940feb281f3f9bbbcb716a47d9abccfa0454319cafe0
MD5 hash:
0ade3087ed5686249193a62d5ee3bb31
SHA1 hash:
a57506c774ffa6194f76e0bd4966dde896711665
SH256 hash:
7750663d984441ed3e1cc46e7ae8e15bebd5e3486a161bc2e426c9e5a8878ccd
MD5 hash:
fd60c61da9cd34ccfd1ec7aa1d16676f
SHA1 hash:
20e7034d2e4f1302772fb1035999a3a7006dec0e
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