MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a776ea1b4751e08775b98a3283c9cc91ccc07c20adfb158d2224ccc1d136bb40. 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: a776ea1b4751e08775b98a3283c9cc91ccc07c20adfb158d2224ccc1d136bb40
SHA3-384 hash: 0ace1c93c192f067d524ff0e6cdb2fb95ada38a5b236f5776f88d3d55786e6a815d70f41cc5bf11b806d5f0deebc346f
SHA1 hash: 4f396927ce541ced4dfcfb86dbb4b105a8e39af6
MD5 hash: f11783c621c837cff58d4ea72b51f7aa
humanhash: fruit-india-north-blossom
File name:file
Download: download sample
Signature GCleaner
File size:2'015'778 bytes
First seen:2023-02-05 11:30:20 UTC
Last seen:2023-02-05 11:58:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'453 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:xaZ0Dg/Vi1AE3EZsSzSQD1ot7vkHjOM1MKFgTBsrpt2ALCgv2MR:QZ0g9ij2s56aM1MIOZov2MR
TLSH T19A95235AB170C6F6C721CF30DD6DD2F2B8672E96E5E00207764CBF0539B229D9A5C289
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 3cfcd4d4f4f2f2b2 (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 :
17
# of downloads :
199
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-05 11:33:28 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
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: 798772 Sample: file.exe Startdate: 05/02/2023 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 FRec25.exe 24 14->17         started        process9 dnsIp10 42 45.12.253.56, 49682, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49683, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49684, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\...\fTkGr4fjH2HU.exe, PE32 17->30 dropped 21 fTkGr4fjH2HU.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:
2023-02-05 11:31:07 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:
98db197e8f5717efc042eec3f7901c7c98523e98bc8973253b52d1fd9987790d
MD5 hash:
111fb129de19939cfadac9ff2c160e5c
SHA1 hash:
60630b0f2ba45281f7ccdbccb6e1bcd874dc4af0
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
e1ca98133f49e0cd7df6bb67c987761f642d9da8c2a1cc7f4321ca9da566faf9
MD5 hash:
3e19204585f120aea578672806f0f763
SHA1 hash:
68fcc49bf48e7fb8c90d4ee5e3f3bb3a5345ebda
SH256 hash:
a776ea1b4751e08775b98a3283c9cc91ccc07c20adfb158d2224ccc1d136bb40
MD5 hash:
f11783c621c837cff58d4ea72b51f7aa
SHA1 hash:
4f396927ce541ced4dfcfb86dbb4b105a8e39af6
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