MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 865cc90fe7438f50eadd10536f11d15055b30ef9b165fcb26a88405dfec4d510. 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: 865cc90fe7438f50eadd10536f11d15055b30ef9b165fcb26a88405dfec4d510
SHA3-384 hash: 23c9756a7a746468fa08c460b8340a0d2da0a4b200ec063ba4de9b7e156a076ea40db305717fc926865bdb62048d575c
SHA1 hash: 205a07e751d61f35e128a9382afb40150af5d73b
MD5 hash: 29be84e1370241985e61945df1e469c1
humanhash: island-minnesota-minnesota-ack
File name:file
Download: download sample
Signature GCleaner
File size:1'983'314 bytes
First seen:2023-05-15 00:29:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash da86ff6d22d7419ae7f10724a403dffd (1'679 x GCleaner, 1 x Socks5Systemz)
ssdeep 49152:s8RrP6FOrP111sJDCKIfPey/wQkfopPAG5cM:s8RrPLc8F2lopPXcM
Threatray 3'117 similar samples on MalwareBazaar
TLSH T1EC953311FE829436E36BABF81C1BD4158EAE77186C388504A3DD198F3A7B0E2D4617D9
TrID 81.0% (.EXE) Inno Setup installer (109740/4/30)
10.4% (.EXE) Win32 Executable Delphi generic (14182/79/4)
3.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.2% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
1.4% (.EXE) Generic Win/DOS Executable (2002/3)
File icon (PE):PE icon
dhash icon b298acbab2ca7a72 (2'327 x GCleaner, 1'631 x Socks5Systemz, 67 x RedLineStealer)
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 :
261
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-05-15 00:31:58 UTC
Tags:
installer gcleaner

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 a custom TCP request
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 process
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:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gcleaner greyware installer overlay packed packed
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
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: 866124 Sample: file.exe Startdate: 15/05/2023 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-5841K.tmp, PE32 10->31 dropped 13 is-5841K.tmp 10 23 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:\...\unins000.exe (copy), PE32 13->37 dropped 39 5 other files (4 malicious) 13->39 dropped 16 Rec514.exe 23 13->16         started        process8 dnsIp9 41 45.12.253.56, 49703, 80 CMCSUS Germany 16->41 43 45.12.253.72, 49704, 80 CMCSUS Germany 16->43 45 45.12.253.75, 49705, 80 CMCSUS Germany 16->45 29 C:\Users\user\AppData\...\OOQHW9PIB2.exe, PE32 16->29 dropped 20 OOQHW9PIB2.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.Privateloader
Status:
Malicious
First seen:
2023-05-15 00:30:08 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
15 of 24 (62.50%)
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:
168211f005df03f07ab741e731f747099bb7bb21106d496b5712eaf11c74bd36
MD5 hash:
c5719b6fa338fd207ac516fe248db743
SHA1 hash:
d1939da654cc0a341c97e7311007f38af57b6315
Detections:
Nymaim win_nymaim_g0 win_gcleaner_auto
SH256 hash:
f6f63760405eacf85b6daa5ba332b7ea15211f49f2b8475ef27281d313060c7f
MD5 hash:
130623b64811b6b6c7ca983c2b353353
SHA1 hash:
e6bcfe8907f481cd4256c1bd7f72e3c00387da11
SH256 hash:
202cf8df66bab7e889bcfbd73d8aad4464d1a7d74abf4af6bd582a30aa7242c0
MD5 hash:
844783e02e063789bafef9555c14d769
SHA1 hash:
4ab58f68b2372f0079d44f7c4692362bb4041f6e
SH256 hash:
865cc90fe7438f50eadd10536f11d15055b30ef9b165fcb26a88405dfec4d510
MD5 hash:
29be84e1370241985e61945df1e469c1
SHA1 hash:
205a07e751d61f35e128a9382afb40150af5d73b
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