MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 15c5496631ec71a49eb3ca69d24711a37c7da01bc9059a1ebd71fe4b87296c7c. 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: 15c5496631ec71a49eb3ca69d24711a37c7da01bc9059a1ebd71fe4b87296c7c
SHA3-384 hash: 7bad3d1057b01576b2916ff70e9d9c5eab31def9205c60934755197fee5accc3242242f45c9e1c9217686de3bf4b70eb
SHA1 hash: 26ad08f80af2d80490da1cdfa6da9df77410c243
MD5 hash: c9084bf4bcb230df110846ff773db0c5
humanhash: winter-oven-west-sink
File name:file
Download: download sample
Signature GCleaner
File size:2'067'110 bytes
First seen:2023-02-03 19:01:25 UTC
Last seen:2023-02-03 19:29:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'446 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:ygHdapq65UB8jTJiAJP014Vt5DQjIUq/oyrKU4LCgv2MR:THQDP0qVrUcUGozUwv2MR
TLSH T1A9A53342E4F9543FE0E2937A916468C1BE763EB7A0F6F31A395E354DAD3B2942C44321
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 fcfcf8dafafefe00 (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 :
16
# of downloads :
199
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-03 19:03:42 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
Sending a custom TCP request
Running batch commands
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
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:
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:
96 / 100
Signature
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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: 798145 Sample: file.exe Startdate: 03/02/2023 Architecture: WINDOWS Score: 96 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 3 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:\Program Files (x86)\...\finalrecovery.exe, PE32 14->34 dropped 36 C:\Users\user\AppData\Local\...\_shfoldr.dll, PE32 14->36 dropped 38 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 14->38 dropped 40 6 other files (none is malicious) 14->40 dropped 17 finalrecovery.exe 20 14->17         started        process9 dnsIp10 42 45.12.253.56, 49695, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49696, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49697, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\...\0mxoOplM.exe, PE32 17->30 dropped 21 0mxoOplM.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:
2023-02-03 19:02:08 UTC
File Type:
PE (Exe)
Extracted files:
4
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:
eaba9ce9d4a78cf4d396e0ff49971370410bc6f84a6a6069e76405d2076bd45d
MD5 hash:
9296c7aded8e2f0d24ac0f78fc8f9f2c
SHA1 hash:
cdd04d302e070a9edf4b4dc2aee5fbdefff8ed2d
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
7debed3507d3c797031d1caa21af109c4606b9c4839baffff3e1bb5a96bc5661
MD5 hash:
a57ce7b69693b592e388fe87624ef47c
SHA1 hash:
550cda0dd33c1db36a507953545c10d0d35ead4b
SH256 hash:
15c5496631ec71a49eb3ca69d24711a37c7da01bc9059a1ebd71fe4b87296c7c
MD5 hash:
c9084bf4bcb230df110846ff773db0c5
SHA1 hash:
26ad08f80af2d80490da1cdfa6da9df77410c243
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