MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb4d2a50fd4fcbed58fd035305f7c03a2d8b2561ee1b89973efd1e6a5c5fe4f7. 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: cb4d2a50fd4fcbed58fd035305f7c03a2d8b2561ee1b89973efd1e6a5c5fe4f7
SHA3-384 hash: 9957177b9e91a98dc923fccbdff2f6a071cd8a12cf4462e341e33e4ab94a7786fbbf46fa215854e47a8f272fa8bf54b9
SHA1 hash: eb7b751be1b368bccd6307026cde8ad0e2d36ea4
MD5 hash: 7d6b0473c0a2fb5d16a8fba067d5d4d4
humanhash: item-yellow-arkansas-oregon
File name:file
Download: download sample
Signature GCleaner
File size:2'252'691 bytes
First seen:2023-02-01 10:30:54 UTC
Last seen:2023-02-01 10:59:53 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:icPLnQ/JfBmtKVwOAZX4Sip+vf+QdULUVUDfJevJ3/U4UsS51IqCFLCgv2MR:XPLnQ/JfQsmOHSiEvjULUVUIB84UsEIn
TLSH T101A5332A6E79D677D0D131B8EE62C0222BA67DA175358A1166FD3C0F7B7D7C2680D203
TrID 78.6% (.EXE) Inno Setup installer (109740/4/30)
10.1% (.EXE) Win32 Executable Delphi generic (14182/79/4)
3.2% (.EXE) Win32 Executable (generic) (4505/5/1)
2.1% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
1.4% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 0b4b00e07490e030 (49 x GCleaner, 1 x RedLineStealer)
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 :
200
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-01 10:34:19 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:
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 domain / URL
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: 795838 Sample: file.exe Startdate: 01/02/2023 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 domain / URL 2->52 54 Antivirus detection for URL or domain 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 17 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 20 14->17         started        process9 dnsIp10 42 45.12.253.56, 49696, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49697, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49698, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\Roaming\...\80F33F4.exe, PE32 17->30 dropped 21 80F33F4.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:
2023-02-01 10:31:08 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
17 of 26 (65.38%)
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 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:
ccb9bf3f42752cbad930f88b7c332caeafb7d6230349a9796fca96031f36663a
MD5 hash:
8e4b826e9e0117254cb60e426cbe6a5c
SHA1 hash:
4aa4875f016553a400a44ca83fea504bdcb175ae
Detections:
Nymaim
SH256 hash:
370b4775726df7b8be4b5d4d74d7b7332bde198c20e3c1d6f4548ea98fabc7a7
MD5 hash:
2531f14cc0630a5534a9209d6fe58792
SHA1 hash:
c61f09a4f113c7234bbd26a5d4440a629109bfa7
SH256 hash:
726b7db2677d67c5afd74e92402743ee37bda69dd52740977ddab862cd6a929c
MD5 hash:
878047aa4723dc9e8df9f5a83ab72352
SHA1 hash:
32a0924ce61bfed42ae88f381e2b706457055c0d
SH256 hash:
cb4d2a50fd4fcbed58fd035305f7c03a2d8b2561ee1b89973efd1e6a5c5fe4f7
MD5 hash:
7d6b0473c0a2fb5d16a8fba067d5d4d4
SHA1 hash:
eb7b751be1b368bccd6307026cde8ad0e2d36ea4
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