MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 51a9e19a3c3fd0c7767dda6dde1bdee3f8f581c375191395055f1ca2cd4e2c62. 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: 51a9e19a3c3fd0c7767dda6dde1bdee3f8f581c375191395055f1ca2cd4e2c62
SHA3-384 hash: 3a4f6a58dad983c3f0fc4faa9db1967e043bc8f53011bdfabf8cfd69334735c4996b50c961c7278039eb3a54d919e481
SHA1 hash: ab1e48588e4c114bfb3a1e36a9954c7dc7dcbbc9
MD5 hash: adae23b4b481e12b140bdfb9c1be2dac
humanhash: nebraska-fillet-orange-cold
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'523'945 bytes
First seen:2022-10-22 07:46:05 UTC
Last seen:2022-10-22 08:12:45 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:Z2ogZzS5V7kgBbSFsy0eOaH24KCNyp+2ZudbXYmPa66FH1SG7xnGL99C1IivNgAW:MogZzSTkgtwsiO5RCAp9wdbImi5/7U/L
TLSH T1E4C5331BE7E44573C4E254F4D30DCD20EA22B2112877DAEC76CD8AEE46676E0D807B66
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 :
14
# of downloads :
236
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-22 07:49:09 UTC
Tags:
installer
Link:
https://app.any.run/tasks/9530eeb5-781e-4e10-8b0f-6a63ffea50c1

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/322572/
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
Moving a recently created file
Modifying a system file
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Creating a file in the system32 subdirectories
Sending a custom TCP request
Moving a file to the %AppData% subdirectory
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
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/44345/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/63539ff71b976e20e2c2b81e/reports/1a8b07c9-3695-4477-b40a-05936659e800/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/268375bb-fba4-43f7-9d76-bb769bc14aaa
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1095382
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
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 728023 Sample: file.exe Startdate: 22/10/2022 Architecture: WINDOWS Score: 88 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 Detected unpacking (changes PE section rights) 2->53 55 Detected unpacking (overwrites its own PE header) 2->55 57 3 other signatures 2->57 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-QI9G3.tmp, PE32 10->31 dropped 13 is-QI9G3.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 epsearcher56.exe 21 13->16         started        process8 dnsIp9 41 107.182.129.235, 49698, 80 META-ASUS Reserved 16->41 43 171.22.30.106, 49699, 80 CMCSUS Germany 16->43 45 45.139.105.171, 49697, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\...\FGPHDpUaXZi.exe, PE32 16->29 dropped 20 FGPHDpUaXZi.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/51a9e19a3c3fd0c7767dda6dde1bdee3f8f581c375191395055f1ca2cd4e2c62/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2022-10-22 08:12:48 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=kgu6dgr4h7imo5t53jw54g664p4plaodoumrhfifl4okftkofrra._file
Verdict:
malicious
Result
Malware family:
nymaim
Create hunting rule
Score:
  10/10
Tags:
family:nymaim discovery trojan
Link:
https://tria.ge/reports/221022-jmh8dsbgdn/
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
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/bf872a3a-dfe8-4bf6-ba48-b5a158cdfd40
Unpacked files
SH256 hash:
92a57b4c96e67cc9f6144d910495e0de4e2d63d7d8ae7b4492131f012efcef80
MD5 hash:
8530f5c2496cb9a932b04c6baff0582b
SHA1 hash:
c7379217608c5d7fc3ff191010e351d5de5f1404
Detections:
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/7ab2b2d1-d2d6-4ff9-b6e6-1a017e1b5f3c/
SH256 hash:
8286d199a3be1de1a3c208b1f35cfc9a1f69b82fd70e7941750f50d1fd9be5bd
MD5 hash:
d36c3493e40c710702756009acdedc69
SHA1 hash:
f9a4eccfa441690ba951658b522d2bc7bdf55941
Link:
https://www.unpac.me/results/7ab2b2d1-d2d6-4ff9-b6e6-1a017e1b5f3c/
SH256 hash:
45aff92504023fd059af75785db42b17e858ff95059f12f947e83afc3cbd098e
MD5 hash:
2d6d736b779306b7ed113e94b1a21de9
SHA1 hash:
98ae4df232937b55a12624ac284ca2032bdbb5f4
Link:
https://www.unpac.me/results/7ab2b2d1-d2d6-4ff9-b6e6-1a017e1b5f3c/
SH256 hash:
51a9e19a3c3fd0c7767dda6dde1bdee3f8f581c375191395055f1ca2cd4e2c62
MD5 hash:
adae23b4b481e12b140bdfb9c1be2dac
SHA1 hash:
ab1e48588e4c114bfb3a1e36a9954c7dc7dcbbc9
Link:
https://www.unpac.me/results/7ab2b2d1-d2d6-4ff9-b6e6-1a017e1b5f3c/
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/51a9e19a3c3fd0c7767dda6dde1bdee3f8f581c375191395055f1ca2cd4e2c62

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
  
URLhaus
https://urlhaus.abuse.ch/url/2276314/
Cape
Cape
https://www.capesandbox.com/analysis/322572/

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