MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6c25ad28a3a8a530bcf391098ef10bff6b48a6193c8c745dfa10fc3b795a98fd. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6c25ad28a3a8a530bcf391098ef10bff6b48a6193c8c745dfa10fc3b795a98fd
SHA3-384 hash: d276a36c05fb34636715f1b31524b721ad4dd1166dee2ac707ed433067afc68f281490542e713ba8821d8b0228e4408c
SHA1 hash: 73576614ff318448d44beb428861e02e354b56b8
MD5 hash: 73c92d6083c702bc0f4ed35bd0b4fe43
humanhash: gee-helium-angel-johnny
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:3'033'606 bytes
First seen:2022-11-03 19:31:14 UTC
Last seen:2022-11-03 19:41:14 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:Z260AkHBkC78gvBuBKwU91nw/QzFN30li0oka013S0nITxwzcj/qJpEJF0mEtvAW:M6RkV7D5uExVw/Q0M0okaE3TITezkiJR
TLSH T1ECE5335EB1F3DE37C0649C3DAA6DAD1DC48FAB9119257C2731DEC22A2B369F12060356
TrID 50.3% (.EXE) Win32 Executable PowerBASIC/Win 9.x (148303/79/28)
37.2% (.EXE) Inno Setup installer (109740/4/30)
4.8% (.EXE) Win32 Executable Delphi generic (14182/79/4)
2.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.5% (.EXE) Win32 Executable (generic) (4505/5/1)
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://95.214.24.96/load.php?pub=mixinte

Intelligence

File Origin
# of uploads :
3
# of downloads :
215
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-11-03 19:33:06 UTC
Tags:
installer
Link:
https://app.any.run/tasks/e6e316fb-244b-434a-a980-d507b5af63f4

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/328121/
Detection(s):
SecuriteInfo.com.Trojan-Dropper.Win32.Agent.14403.21121.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
Searching for synchronization primitives
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Launching a process
Forced system process termination
Running batch commands
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Launching a tool to kill processes
Sending an HTTP GET request to an infection source
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/48128/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
greyware overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/636417330ef76ab01c74b5dc/reports/53a5ed42-a27e-48ff-9b71-99e5ed79aa4d/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.
Malware family:
GCleaner
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9fbd77fc-049a-4b10-bdd8-c20a943f30a6
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1104768
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
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 737435 Sample: file.exe Startdate: 03/11/2022 Architecture: WINDOWS Score: 96 47 45.139.105.1 CMCSUS Italy 2->47 49 85.31.46.167 CLOUDCOMPUTINGDE Germany 2->49 51 Antivirus detection for URL or domain 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 Detected unpacking (changes PE section rights) 2->55 57 4 other signatures 2->57 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-MT6Q8.tmp, PE32 10->31 dropped 13 is-MT6Q8.tmp 16 25 10->13         started        process6 file7 33 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 13->33 dropped 35 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 13->35 dropped 37 C:\...\unins000.exe (copy), PE32 13->37 dropped 39 4 other files (2 malicious) 13->39 dropped 16 fnsearcher68.exe 24 13->16         started        process8 dnsIp9 41 107.182.129.235, 49702, 80 META-ASUS Reserved 16->41 43 171.22.30.106, 49703, 80 CMCSUS Germany 16->43 45 45.139.105.171, 49701, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\Roaming\...\n93nJNm.exe, PE32 16->29 dropped 20 n93nJNm.exe 16->20         started        23 cmd.exe 1 16->23         started        file10 process11 signatures12 59 Multi AV Scanner detection for dropped file 20->59 25 taskkill.exe 1 23->25         started        27 conhost.exe 23->27         started        process13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6c25ad28a3a8a530bcf391098ef10bff6b48a6193c8c745dfa10fc3b795a98fd/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2022-11-03 19:38:12 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nqs22kfdvcstbphtseey54il75vurjqzhsghixp2cd6dw6k2td6q._file
Verdict:
malicious
Result
Malware family:
nymaim
Create hunting rule
Score:
  10/10
Tags:
family:nymaim discovery trojan
Link:
https://tria.ge/reports/221103-x8x6bsecb5/
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
NyMaim
Malware Config
C2 Extraction:
45.139.105.171
85.31.46.167
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/21688d82-9d2c-4dc9-8574-f5f600f82a17
Unpacked files
SH256 hash:
ae88bc1a83faaa9b474e4e3274ba96718c1ea4449da0c37aae8c960ff6f6562e
MD5 hash:
870de0fe134fc6411544fc47286521cf
SHA1 hash:
6e64fb676c49b738104d282d543da6b060bfc631
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/b93eb3c8-56d2-4e73-a7af-cb38cac6a755/
SH256 hash:
a35915c2af94d2784c90cf9e21e85d9283c9dbd4e0b236e61a3967f48dedf571
MD5 hash:
9ce32e7bb9fbe873d64f64c568d9e86d
SHA1 hash:
88fe5fd1d4d8f8bb02e6953ccc9707dd7ee51cfc
Link:
https://www.unpac.me/results/b93eb3c8-56d2-4e73-a7af-cb38cac6a755/
SH256 hash:
6c25ad28a3a8a530bcf391098ef10bff6b48a6193c8c745dfa10fc3b795a98fd
MD5 hash:
73c92d6083c702bc0f4ed35bd0b4fe43
SHA1 hash:
73576614ff318448d44beb428861e02e354b56b8
Link:
https://www.unpac.me/results/b93eb3c8-56d2-4e73-a7af-cb38cac6a755/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.68
Link:
https://yomi.yoroi.company/submissions/6c25ad28a3a8a530bcf391098ef10bff6b48a6193c8c745dfa10fc3b795a98fd

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:CAS_Malware_Hunting
Create hunting rule
Author:Michael Reinprecht
Description:DEMO CAS YARA Rules for sample2.exe
Rule name:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
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/328121/
  
URLhaus
https://urlhaus.abuse.ch/url/2276314/

Comments