MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4676b676baae0dde1ae4ae0c6bc64797a3153b62761a9aef85750fa5d73b6c96. 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: 4676b676baae0dde1ae4ae0c6bc64797a3153b62761a9aef85750fa5d73b6c96
SHA3-384 hash: a0c3d1ad77b2abbc7e92b6a9a3847a71ffa75161c2768305ee6f91e1388321f4af235287c328fabe37433edb9a10980e
SHA1 hash: 356393e6862d2b0ce1f7a3adbbf374e0864f5c22
MD5 hash: f65763d50b117ef9e37ccfacafd91ba7
humanhash: earth-carolina-winner-four
File name:f65763d50b117ef9e37ccfacafd91ba7.exe
Download: download sample
Signature GCleaner
File size:2'093'913 bytes
First seen:2023-05-31 08:26:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash e92b45c54aa05ec107d5ef90662e6b33 (363 x GCleaner, 38 x Socks5Systemz, 3 x Backdoor.TeamViewer)
ssdeep 49152:OigTJ1JvgckVp1LxvBXnnsFRfjkKFs8wuI:OigT1gBVp1LxvuLfgKy1
Threatray 658 similar samples on MalwareBazaar
TLSH T1F1A53322E1A25435DB72D7342C28407E7DB73B1B982C86CEB1DC4D6B5732AD9A053B1D
TrID 82.8% (.EXE) Inno Setup installer (109740/4/30)
10.7% (.EXE) Win32 Executable Delphi generic (14182/79/4)
3.4% (.EXE) Win32 Executable (generic) (4505/5/1)
1.5% (.EXE) Generic Win/DOS Executable (2002/3)
1.5% (.EXE) DOS Executable Generic (2000/1)
File icon (PE):PE icon
dhash icon b298acbab2ca7a72 (2'327 x GCleaner, 1'631 x Socks5Systemz, 67 x RedLineStealer)
Reporter abuse_ch
Tags:exe gcleaner

Intelligence


File Origin
# of uploads :
1
# of downloads :
232
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f65763d50b117ef9e37ccfacafd91ba7.exe
Verdict:
Malicious activity
Analysis date:
2023-05-31 08:38:48 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
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
Creating a file in the %AppData% subdirectories
Running batch commands
Creating a process with a hidden window
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 lolbin overlay packed 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 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: 878929 Sample: XySNfVx4Oe.exe Startdate: 31/05/2023 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 6 other signatures 2->55 10 XySNfVx4Oe.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-R7TAP.tmp, PE32 10->31 dropped 13 is-R7TAP.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 Rec531.exe 20 13->16         started        process8 dnsIp9 41 45.12.253.56, 49702, 80 CMCSUS Germany 16->41 43 45.12.253.72, 49703, 80 CMCSUS Germany 16->43 45 45.12.253.75, 49704, 80 CMCSUS Germany 16->45 29 C:\Users\user\AppData\...\fJUg4BEP5had.exe, PE32 16->29 dropped 20 fJUg4BEP5had.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:
2023-05-31 08:27:07 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
18 of 24 (75.00%)
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:
9724f7a6a831b063b1b35be2cc7e92c23e7fe333337fb3129e0fb121d8716b55
MD5 hash:
32c6a422ade3f89131b2315ec715da11
SHA1 hash:
3e1a8ce035e8fffa564659c1ed436573730ff109
Detections:
Nymaim win_nymaim_g0 win_gcleaner_auto
SH256 hash:
c00cf85a54a21af3dc5bf3675b0f02db4e159495831d2be2ef8b8104ce08cad9
MD5 hash:
eec3bfbd6d52e0cb40c8456293cc02a4
SHA1 hash:
eff360c32532401035af9582ed69b414b7d1daaf
SH256 hash:
89705dd26fb1671d925c6238ad2a553c06208cd9ce4ef35701c0f64c0f73bdb4
MD5 hash:
41930ce5527f267f0f09d1fbab30ef53
SHA1 hash:
ba15bf6e85795dd86c15a36686c119abc3fd6aa7
SH256 hash:
4676b676baae0dde1ae4ae0c6bc64797a3153b62761a9aef85750fa5d73b6c96
MD5 hash:
f65763d50b117ef9e37ccfacafd91ba7
SHA1 hash:
356393e6862d2b0ce1f7a3adbbf374e0864f5c22
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.

Web download

GCleaner

Executable exe 4676b676baae0dde1ae4ae0c6bc64797a3153b62761a9aef85750fa5d73b6c96

(this sample)

  
Delivery method
Distributed via web download

Comments