MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cbf9e05b505c04e0ce351ffcfdb44ce5eff759f48ffe4612ab454c6c6f7a890d. 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: cbf9e05b505c04e0ce351ffcfdb44ce5eff759f48ffe4612ab454c6c6f7a890d
SHA3-384 hash: 52a9c0c583901746149a6b03105a06b83ce539c96506acff78f362d4a860567c769935ebb6be8048f982408282b9280b
SHA1 hash: e26603df62b3b32c0d4eb4ffdc9aafca9a105dd7
MD5 hash: 1a1a066e24097030d18dcb401a364645
humanhash: idaho-wisconsin-mockingbird-hotel
File name:file
Download: download sample
Signature GCleaner
File size:2'055'330 bytes
First seen:2023-02-03 20:46:45 UTC
Last seen:2023-02-03 21:12:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'457 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:ygizoh/wqNR7MWBUXJm1lZ5Ax+YLMQyxVHHLCgv2MR:T//PNR7peX2ZSlLMzVHTv2MR
TLSH T16995334124F1517AE503EB3A2B727541AB12F9A09074046871AE79DF3EB37B0FC5A2E7
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 :
14
# of downloads :
208
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-03 20:47:13 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
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
Sending an HTTP GET 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:
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: 798265 Sample: file.exe Startdate: 03/02/2023 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 finalrecovery.exe 24 14->17         started        process9 dnsIp10 42 45.12.253.56, 49719, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49720, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49721, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\...\iW4aJbjHfxbjW.exe, PE32 17->30 dropped 21 iW4aJbjHfxbjW.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 20:47:08 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:
745f24c8ac612b3039d91b0a6612cdf0d9086694c3bf4df3c3b07b071ed8ef30
MD5 hash:
43740feeec2da6c640ccae54448958b1
SHA1 hash:
cb68d5a8c62e531e864b372b1d3381e42a3b1bdd
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
78746ef40152ff494437736839e5a1fb2e3970dc3d5211bb8a7a31a0466a765d
MD5 hash:
325179d788e1b74ae1b4f0bab93e1808
SHA1 hash:
869a176190a82cd3fae06bb9001f9e3d2efbdf0d
SH256 hash:
cbf9e05b505c04e0ce351ffcfdb44ce5eff759f48ffe4612ab454c6c6f7a890d
MD5 hash:
1a1a066e24097030d18dcb401a364645
SHA1 hash:
e26603df62b3b32c0d4eb4ffdc9aafca9a105dd7
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