MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 099639cb7dd97e12a62796c9e4d42eb3a3a5115a9f57a554cccc36cedf0392ef. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments

SHA256 hash: 099639cb7dd97e12a62796c9e4d42eb3a3a5115a9f57a554cccc36cedf0392ef
SHA3-384 hash: 8ff14cdc426f58d03405b82939aa34e7432becd9b9f7cb711b81cc83ede7e4e2b3821a674e180cc66c436a1aca36998a
SHA1 hash: 7a166bfd1ab1a7774253933c5f487d8f5bfa37d3
MD5 hash: c76d0daa303b431fb5d2d1f7f20dc441
humanhash: orange-kitten-lactose-happy
File name:file
Download: download sample
Signature GCleaner
File size:2'730'722 bytes
First seen:2023-04-17 14:07:24 UTC
Last seen:2023-04-17 14:37:33 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:zGlJfsueRf+80Y5jdNTjBWl9tZzto36TQGI7HV9C56tV0utG29Y0t0gkWHygU:qRIm2jTA9tk3IQpADOG2a0jkWSt
Threatray 112 similar samples on MalwareBazaar
TLSH T10FC53302E3F1E57AE7A0DC706D375599D267F8128C78103476F80BADBAAF0512E9A364
TrID 48.2% (.EXE) Win32 Executable PowerBASIC/Win 9.x (148303/79/28)
35.6% (.EXE) Inno Setup installer (109740/4/30)
4.6% (.EXE) Win32 Executable Delphi generic (14182/79/4)
4.2% (.SCR) Windows screen saver (13097/50/3)
2.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
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 :
2
# of downloads :
241
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-04-17 14:08:47 UTC
Tags:
installer loader ransomware stop stealer rat redline vidar trojan opendir cryptbot

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
Using the Windows Management Instrumentation requests
Creating a file in the Windows subdirectories
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
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: 848188 Sample: file.exe Startdate: 17/04/2023 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-MT6JU.tmp, PE32 10->31 dropped 13 is-MT6JU.tmp 11 25 10->13         started        process6 file7 33 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 13->33 dropped 35 C:\Users\user\AppData\Local\...\_isdecmp.dll, PE32 13->35 dropped 37 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 13->37 dropped 39 7 other files (5 malicious) 13->39 dropped 16 Rec417.exe 20 13->16         started        process8 dnsIp9 41 45.12.253.56, 49697, 80 CMCSUS Germany 16->41 43 45.12.253.72, 49698, 80 CMCSUS Germany 16->43 45 45.12.253.75, 49699, 80 CMCSUS Germany 16->45 29 C:\Users\user\AppData\Roaming\...\OyJj9z.exe, PE32 16->29 dropped 20 OyJj9z.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:
Suspicious
First seen:
2023-04-17 14:08:08 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
17 of 24 (70.83%)
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:
154d747a3d8a64311ae16454021d87c392d06c3414b652285ef07c947e11007a
MD5 hash:
278194b8cea6e9322fd606ebf6566a54
SHA1 hash:
901f23e97742997890e4ff03ec2d4556af778a99
Detections:
Nymaim win_nymaim_g0 win_gcleaner_auto
SH256 hash:
40e679908fcbf7acf9b8f25d98216526403640cb2f7ae7919a768a286ba9e43d
MD5 hash:
665fd30850f6dcbf6e834ece28203c88
SHA1 hash:
5a082387643d163a2954f58d48ae849a6a23eee8
SH256 hash:
3921103e75d734e5268b5249db7ca1474851690491b5201fa4fc2fef7cf37cd2
MD5 hash:
ce60ce40e14f3a2dd7c943ef8784fb8a
SHA1 hash:
3a294b66ba4cb7cadb5218f980b150b641542ef7
SH256 hash:
af632eb4aa2e9244d9d8e7713e9fd70f3c268d6a5b5c101fbada498b1cd9202b
MD5 hash:
2b8e932f9496523964283f2f720ab45e
SHA1 hash:
0f4efffb650f67d28cc54b363d7d45a8b931d1d5
SH256 hash:
099639cb7dd97e12a62796c9e4d42eb3a3a5115a9f57a554cccc36cedf0392ef
MD5 hash:
c76d0daa303b431fb5d2d1f7f20dc441
SHA1 hash:
7a166bfd1ab1a7774253933c5f487d8f5bfa37d3
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