MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c37697d4cc6c312bdfdd4fb2cf97c84a9e59dd4613c384871d412c90773c46ad. 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: c37697d4cc6c312bdfdd4fb2cf97c84a9e59dd4613c384871d412c90773c46ad
SHA3-384 hash: 04612165c25f1b7e2abd0575ddc351383e5384e572d0360726b6ae6f1079af838e587f2c9c60fca7dffa266ba302b362
SHA1 hash: 06afc8699de3c611a4eb3131800bc03c624b372a
MD5 hash: 581910be327a470ff1a2b2395a37c865
humanhash: four-charlie-mobile-equal
File name:file
Download: download sample
Signature GCleaner
File size:1'827'601 bytes
First seen:2023-01-23 06:30:26 UTC
Last seen:2023-01-23 06:58:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'514 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:OC8muPx7dYPBAj9kF7mIOTLxc1+eCdYw2CIN61V:8muP7YJAjOF7m1TLxcwdYBVN61V
TLSH T138853341F0632430F531BA752EB4AE724B37FD272D70822A694E0E9C7F697D49E1235A
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 78f8f9d9ccc088e1 (51 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 :
17
# of downloads :
214
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-23 06:31:33 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
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:
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:
92 / 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
Obfuscated command line found
Snort IDS alert for network traffic
Yara detected Nymaim
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 789480 Sample: file.exe Startdate: 23/01/2023 Architecture: WINDOWS Score: 92 48 45.12.253.98 CMCSUS Germany 2->48 50 Snort IDS alert for network traffic 2->50 52 Detected unpacking (changes PE section rights) 2->52 54 Detected unpacking (overwrites its own PE header) 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 22 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, 49698, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49699, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49700, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\Roaming\...\gWBFf.exe, PE32 17->30 dropped 21 gWBFf.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:
2023-01-23 06:31:07 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
20 of 26 (76.92%)
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
Loads dropped DLL
Executes dropped EXE
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:
186b4ca583f31ee16a4e6492952c02ea9d313f73c000164fd5e2954dbc2d2d86
MD5 hash:
f5107abb273ac2eb040d01be45c39004
SHA1 hash:
cc8c9992f4ffd9eba3d4c00e32e188321860ab8b
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
77c9c65113999e8111d36dce49651dec97b24deea62af51fd0289853494242eb
MD5 hash:
23d8a37431bb3cce837bce4d4d5a792e
SHA1 hash:
9bb53a335bf21c35b9ec4f770af19e70df026296
SH256 hash:
74857bc493be1d51319e53a157792070d3afc5139e515fc2e794bf62788d486b
MD5 hash:
2fdff963bdd21ed1c500e5f3dd7bc8ca
SHA1 hash:
90f0aa08d9bdcf46478fdec7e30078e387f9dde7
SH256 hash:
c37697d4cc6c312bdfdd4fb2cf97c84a9e59dd4613c384871d412c90773c46ad
MD5 hash:
581910be327a470ff1a2b2395a37c865
SHA1 hash:
06afc8699de3c611a4eb3131800bc03c624b372a
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