MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81d1f05b95bff03b8157b0093097983800556e85cc3eb9b58ff562b54f86f5fd. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 81d1f05b95bff03b8157b0093097983800556e85cc3eb9b58ff562b54f86f5fd
SHA3-384 hash: 2faf0c9aa76588f25604f5e3b75a1b8203124ed4d82bd883f4e369f9eaca2b741ebb4637d0b4fe2cc7b21268996c96bc
SHA1 hash: da036940ddbf7ab56075e1cbdc6fe4ece587a679
MD5 hash: e7aa024138efb18d8aab5bd3fafbf5fa
humanhash: bravo-item-equal-juliet
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:3'453'192 bytes
First seen:2023-02-12 20:17:28 UTC
Last seen:2023-02-12 20:42:34 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:rdHOMYx5NyRaAyz2mNmXzuS5PTnUduM9rn8nMmaMAVI0GulLCgv2MR:JHh+CRiWXbtTnM2aLHGwv2MR
TLSH T1F0F5123C7605C46EC290BDB88C2AA4E75CD65EE3E9E4A423B0DDBF3F427D1845A1910B
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 :
6
# of downloads :
203
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-12 20:22:29 UTC
Tags:
installer
Link:
https://app.any.run/tasks/dd41dd49-bd4e-417f-bdda-f30435a138d6

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/364606/
Detection(s):
SecuriteInfo.com.Trojan.Moneyinst.746.21331.248.UNOFFICIAL
Create hunting rule

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
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/68691/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/63e9497c19bdad834634fcdf/reports/238d9149-6215-43d0-9b38-56d3ed9e4027/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/81d1f05b95bff03b8157b0093097983800556e85cc3eb9b58ff562b54f86f5fd
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/968649f5-446d-42be-b033-75413806cc2d
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1172782
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 805568 Sample: file.exe Startdate: 12/02/2023 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 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 FRec212.exe 24 14->17         started        process9 dnsIp10 42 45.12.253.56, 49685, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49686, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49687, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\...\mWEmtgAeYxa.exe, PE32 17->30 dropped 21 mWEmtgAeYxa.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/81d1f05b95bff03b8157b0093097983800556e85cc3eb9b58ff562b54f86f5fd/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2023-02-12 20:19:34 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qhi7aw4vx7ydxakxwaetbf4yhaafk3ufzq7ltnmp6vrlkt4g6x6q._file
Verdict:
malicious
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230212-y29q8agc94/
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:
b5c910973bc9ace3f0a77c7e1fd90d23c7b9a0d086067e428231fb110fcf8628
MD5 hash:
dc69e1d5ce49cdf94b24ab408359258c
SHA1 hash:
25a9692711f895867192e9a59dbef23e8f83f623
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/dbdf5ef3-afb4-4f96-a3a6-29e63daf370b/
SH256 hash:
ae0836c1eec5b2c643d725fa0eae6367f0627bc557df6f2377c5c23a1537179e
MD5 hash:
445246c76befa36762ede57323ab7627
SHA1 hash:
e56467665c7d116009e58462e2d7f71bff8d5df4
Link:
https://www.unpac.me/results/dbdf5ef3-afb4-4f96-a3a6-29e63daf370b/
SH256 hash:
74c7ef0d21748df5aa4be5f4479136cdd8d722a71114587edf1e041b3d8ccefe
MD5 hash:
ab79ef68155e5bde1f434e1311f3ff74
SHA1 hash:
843d5f1f1a751256f505f7a63090ddbeebd45192
Link:
https://www.unpac.me/results/dbdf5ef3-afb4-4f96-a3a6-29e63daf370b/
SH256 hash:
81d1f05b95bff03b8157b0093097983800556e85cc3eb9b58ff562b54f86f5fd
MD5 hash:
e7aa024138efb18d8aab5bd3fafbf5fa
SHA1 hash:
da036940ddbf7ab56075e1cbdc6fe4ece587a679
Link:
https://www.unpac.me/results/dbdf5ef3-afb4-4f96-a3a6-29e63daf370b/
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/81d1f05b95bff03b8157b0093097983800556e85cc3eb9b58ff562b54f86f5fd

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/364606/
  
URLhaus
https://urlhaus.abuse.ch/url/2509470/

Comments