MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 286441be2c6ccc4eee4a61fe5cfb4a29ca56bededf4b425166deaa19d066cc1e. 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: 286441be2c6ccc4eee4a61fe5cfb4a29ca56bededf4b425166deaa19d066cc1e
SHA3-384 hash: eaceda35fadb0d7ae7516db77bf92f5349e9a9d28e9a792f2334d4d71e73ff5521aa6073603638e6d65fce49a17c123e
SHA1 hash: a42f0daa3fe37fb481d9ff80008924f394cd48aa
MD5 hash: e2f89099d5890612364fad8e39be4e24
humanhash: kilo-zulu-lithium-kansas
File name:file
Download: download sample
Signature GCleaner
File size:2'097'916 bytes
First seen:2023-02-06 17:45:41 UTC
Last seen:2023-02-06 18:14:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'507 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:nZjfWgnj2DPsRl3mef5okNEtcAGlH/y5x8LCgv2MR:Zb5GMoO8cAGlH/y5Cv2MR
TLSH T1DCA523451241E0FAD312CF34EC2EA4F578736E55D8A1512B325E3F6D3BB628DE62E602
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 fcfcfcc4ecfcfe00 (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 :
16
# of downloads :
206
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-06 17:46:47 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
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:
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)
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: 799691 Sample: file.exe Startdate: 06/02/2023 Architecture: WINDOWS Score: 100 48 45.12.253.98 CMCSUS Germany 2->48 50 Snort IDS alert for network traffic 2->50 52 Antivirus detection for URL or domain 2->52 54 Multi AV Scanner detection for submitted file 2->54 56 5 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 FRec26.exe 24 14->17         started        process9 dnsIp10 42 45.12.253.56, 49710, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49711, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49712, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\...\1JAMKlX4RCefE.exe, PE32 17->30 dropped 21 1JAMKlX4RCefE.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.Generic
Status:
Suspicious
First seen:
2023-02-06 17:46:08 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
6 of 39 (15.38%)
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 behavior: GetForegroundWindowSpam
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:
b738c51b400a764366641103707c31fea6d0cc50d599b42dd9ad19ade536a1e2
MD5 hash:
db276a74e7ed42b4a11c76b954136cef
SHA1 hash:
e07fd28e328317101ff42829a4594bd554148107
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
320bfb05ce4695d118029244394b85bbeaf76e50c01e715f9ea545bd2820b946
MD5 hash:
f706b5365fb5e6d307a6be1074cb3be9
SHA1 hash:
e5649dfefcf6330b00a3c7faa2fd603ec459bf45
SH256 hash:
753083de10b230da03c6e2bc4865bbefb9a9c94d8946699d3a6d903048f0ba94
MD5 hash:
fc245721f161c38115ecec21ef18971b
SHA1 hash:
0d7652a91c74b7861948293dfd80f1d7831a73fb
SH256 hash:
286441be2c6ccc4eee4a61fe5cfb4a29ca56bededf4b425166deaa19d066cc1e
MD5 hash:
e2f89099d5890612364fad8e39be4e24
SHA1 hash:
a42f0daa3fe37fb481d9ff80008924f394cd48aa
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