MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a283083eea81bfe5d7fc1c5203af7e2995e88a87a019702eeff18a6572bb86f0. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a283083eea81bfe5d7fc1c5203af7e2995e88a87a019702eeff18a6572bb86f0
SHA3-384 hash: 81dc6172adec846210a1405a045e81cb21002276f32802e56ce22a123a82f9a52a575a5bf4090545130fec319197c494
SHA1 hash: 7226561b47852488912a2e117fe5dcf7c41f4752
MD5 hash: b6520807a7090ed6de8bbae51abce7a8
humanhash: chicken-north-nebraska-foxtrot
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'576'005 bytes
First seen:2023-02-09 11:30:33 UTC
Last seen:2023-02-09 11:59:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'446 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:rdHqVMvG8qjYaQZ5cJmZUnU6AULToRMYyQdHHJSIoER5ZvLCgv2MR:JHqCvAjYlZ54mZUnjHLEMGdnJSCfLv2Y
TLSH T135C5127C7445C9ADC280FEB48C3AE9EB5CD71DE3E994A52270D9BF3F92791844A1A103
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 14b0b0fceeaa3b18 (363 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 :
19
# of downloads :
193
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-09 11:32:33 UTC
Tags:
installer
Link:
https://app.any.run/tasks/f7a4aa2d-7069-45b2-9420-dd37affddcd0

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Nymaim
Create hunting rule
Link:
https://www.capesandbox.com/analysis/362719/
Detection(s):
SecuriteInfo.com.Trojan.Moneyinst.746.21331.248.UNOFFICIAL
Create hunting rule

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
Creating a file in the Windows subdirectories
Launching a process
Launching a tool to kill processes
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/67106/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware installer overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63e4d977fc49e4bf1c31acfe/reports/c8de90f1-c2c6-4be5-a081-ebfb809d5e3f/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/a283083eea81bfe5d7fc1c5203af7e2995e88a87a019702eeff18a6572bb86f0
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.
Malware family:
Malicious Packer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fe97a471-d20c-485b-ba0a-926660636415
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1169955
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
Obfuscated command line found
Snort IDS alert for network traffic
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 802745 Sample: file.exe Startdate: 09/02/2023 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 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 17 10->14         started        signatures6 process7 file8 34 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 14->34 dropped 36 C:\Users\user\AppData\Local\...\_isdecmp.dll, PE32 14->36 dropped 38 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 14->38 dropped 40 7 other files (6 malicious) 14->40 dropped 17 FRec29.exe 20 14->17         started        process9 dnsIp10 42 45.12.253.56, 49692, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49693, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49694, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\...pC8V8UY.exe, PE32 17->30 dropped 21 EpC8V8UY.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
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a283083eea81bfe5d7fc1c5203af7e2995e88a87a019702eeff18a6572bb86f0/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2023-02-09 11:31:08 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ukbqqpxkqg76lv74drjahl36fgk6rcuhuamxalxp6gfgk4v3q3ya._file
Verdict:
malicious
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230209-nmpsdsac6t/
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:
3a78bb767f6cbd3c491adada274641838882b5f55ad56ea0e91c98fa84b45723
MD5 hash:
6a3f60f850df82ef6d05499c4ac85ff4
SHA1 hash:
f793a2fa7c6ec04071e205d8bf32ab30b7d0ca36
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/22c352db-503f-4299-9333-5a4e7f834741/
SH256 hash:
9dac2c6028d2de3e2bbcd5d52d1b1026d3e117cfbc3f68fe1ff263972e635112
MD5 hash:
ea7815c423568501dc94ac6fd4fa6e7c
SHA1 hash:
a226f83d0feffdb8c98b3a616b65756feab263b0
Link:
https://www.unpac.me/results/22c352db-503f-4299-9333-5a4e7f834741/
SH256 hash:
88dac1be47743ebd87b354e8e7434daccd7ee69794c1d1fc35a741c14039f4a5
MD5 hash:
97eda3fbbf9cf5e9f0fcada647aa6f25
SHA1 hash:
5a1cd65a49a221ac4acfd1fc790ebea496fdb638
Link:
https://www.unpac.me/results/22c352db-503f-4299-9333-5a4e7f834741/
SH256 hash:
c432fab5c1779fe9416552d16139582150d45fa0ee1231daff32b32fd98738a0
MD5 hash:
3a9332527fc25068c4911b3a9d9089e6
SHA1 hash:
07032abe6c75ef587d8be715f8da549cd7bec325
Link:
https://www.unpac.me/results/22c352db-503f-4299-9333-5a4e7f834741/
SH256 hash:
a283083eea81bfe5d7fc1c5203af7e2995e88a87a019702eeff18a6572bb86f0
MD5 hash:
b6520807a7090ed6de8bbae51abce7a8
SHA1 hash:
7226561b47852488912a2e117fe5dcf7c41f4752
Link:
https://www.unpac.me/results/22c352db-503f-4299-9333-5a4e7f834741/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a283083eea81bfe5d7fc1c5203af7e2995e88a87a019702eeff18a6572bb86f0

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
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:win_gcleaner_auto
Create hunting rule
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
Cape
Cape
https://www.capesandbox.com/analysis/362719/

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