MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4bce280ade5a3a225d1f3b5fc95871f5e816b69c2ec7231112dfb50e4c79c64. 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: b4bce280ade5a3a225d1f3b5fc95871f5e816b69c2ec7231112dfb50e4c79c64
SHA3-384 hash: 1db3e47895b8b17b14ff50f92634569c24cfe21dc96b563b4f4c1b7f24e10e72efb205f28e263c3836d4c57de1d6866f
SHA1 hash: c45ed9e3f03d3f80c6a9c381bb29c52ff9624f29
MD5 hash: 65f6fd585b7883e6ff52873ec18c3fab
humanhash: cat-fifteen-pizza-four
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:1'819'998 bytes
First seen:2023-01-25 19:17:18 UTC
Last seen:2023-01-25 19:42:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'514 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 24576:Z3zISiCyfFphvshjs0NoJKDviV1Qkkz27jwUKeHiR7ZOeGQscOHT87Z+PvLC15wt:Z5f6KrWJz1fkkNKeQ9sNW+nLCgv2MR
TLSH T10B853363E2128437F7EBA3BD6D3AA4126577BE720478510913575B2F8F2B1099B0836B
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 b298acbab2ca7a72 (2'327 x GCleaner, 1'631 x Socks5Systemz, 67 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 :
10
# of downloads :
202
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-25 19:20:23 UTC
Tags:
installer
Link:
https://app.any.run/tasks/6efc79fe-cd43-4e3f-8120-66012404ada9

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/356810/
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
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
Link:
https://dragonfly.certego.net/analysis/63050/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
greyware overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63d1806b1c9cbf7d6252afde/reports/39a059f6-1698-4765-8707-f7797617c937/overview
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/23a0a014-cc3e-46a0-824e-3909b4a107c8
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1158977
Signature
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: 791714 Sample: file.exe Startdate: 25/01/2023 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 submitted file 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 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 24 14->17         started        process9 dnsIp10 42 45.12.253.56, 49703, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49704, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49705, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\Roaming\...\w2GI93.exe, PE32 17->30 dropped 21 w2GI93.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/b4bce280ade5a3a225d1f3b5fc95871f5e816b69c2ec7231112dfb50e4c79c64/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2023-01-25 20:11:39 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ws6ofafn4wr2ejor6o27zfmhd5pic23jylwhemirfx5vbzghtrsa._file
Verdict:
malicious
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230125-xzxs7sbe4t/
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
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:
fa7775da3c25e2c5ff9502ad208d669249ab7aabae34b8d6a1f83c2121e12c2e
MD5 hash:
f8ad4f57a6dff3b4b74c1e72746628d1
SHA1 hash:
4d2820456ab46005611944763e9e4af3fbd84aa7
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/3b89f35d-729b-4ebe-bc67-c7f393a08b04/
SH256 hash:
dfc134e02b331affc24cecde8fd79376ffe4a1dfdb232a62a850c1611d934d2d
MD5 hash:
40bb3fb8a538d56a784480fc5ab790e7
SHA1 hash:
8eb7b4a178208345895271d4f99c79543bf4fa72
Link:
https://www.unpac.me/results/3b89f35d-729b-4ebe-bc67-c7f393a08b04/
SH256 hash:
8d16c46d50424e5d2d5a9247ca0a82964b3ce5a4bfa2d3c59d1af93ac9bc40cd
MD5 hash:
5277ab50c8950000275658c1319e2380
SHA1 hash:
0c170c9371855e9b9c21051d482d59edb03d6386
Link:
https://www.unpac.me/results/3b89f35d-729b-4ebe-bc67-c7f393a08b04/
SH256 hash:
b4bce280ade5a3a225d1f3b5fc95871f5e816b69c2ec7231112dfb50e4c79c64
MD5 hash:
65f6fd585b7883e6ff52873ec18c3fab
SHA1 hash:
c45ed9e3f03d3f80c6a9c381bb29c52ff9624f29
Link:
https://www.unpac.me/results/3b89f35d-729b-4ebe-bc67-c7f393a08b04/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.98
Link:
https://yomi.yoroi.company/submissions/b4bce280ade5a3a225d1f3b5fc95871f5e816b69c2ec7231112dfb50e4c79c64

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/356810/
  
URLhaus
https://urlhaus.abuse.ch/url/2509470/

Comments