MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a6148038aaef39147bca3cf5772bf2a9a401b7bb12c3eb13722d999b9f54257. 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: 4a6148038aaef39147bca3cf5772bf2a9a401b7bb12c3eb13722d999b9f54257
SHA3-384 hash: 84904c0158f20887ec8d2c1a4ca6471a05e4397a220c7313bd7201bbdbcb0712bba99dec1af5a49cc9e60c676c97b527
SHA1 hash: 79ff81fd0d69fae99364c032fd0ae0bd91944aae
MD5 hash: 2915996d5b9d526be4ba21abf722d0b1
humanhash: chicken-coffee-oscar-aspen
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'623'429 bytes
First seen:2022-10-29 07:17:14 UTC
Last seen:2022-10-29 07:43:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'455 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:Z2DYhcXRHM5Sexc9gZ0qhTtaROlqYHh8wS59k8JaiIeixBgL4RA5hq:MDYhiRH0xcuZ0kMROcYH1S597LCYDq
TLSH T15CC5334183AA9C32D8F3DDBBBD74CE44E93F3A40C1396152B6BD522D6936285406B7B3
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 :
17
# of downloads :
566
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-29 07:18:44 UTC
Tags:
installer
Link:
https://app.any.run/tasks/d6faee40-f787-4978-8dec-b5575800ff75

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/325773/
Detection(s):
SecuriteInfo.com.Trojan-Dropper.Win32.Agent.14403.21121.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
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
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/46544/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/635cd3a9736e9d884f0d874b/reports/40db9ae8-3eea-4a93-a5ab-fb0c86c66916/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/27116576-30a9-4394-b840-98b499130245
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1100805
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: 733466 Sample: file.exe Startdate: 29/10/2022 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-JSSPA.tmp, PE32 10->31 dropped 13 is-JSSPA.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 fdsearcher63.exe 25 13->16         started        process8 dnsIp9 41 107.182.129.235, 49700, 80 META-ASUS Reserved 16->41 43 171.22.30.106, 49701, 80 CMCSUS Germany 16->43 45 45.139.105.171, 49699, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\...\2TZ7GoaPB9.exe, PE32 16->29 dropped 20 2TZ7GoaPB9.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/4a6148038aaef39147bca3cf5772bf2a9a401b7bb12c3eb13722d999b9f54257/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2022-10-29 07:18:09 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
16 of 25 (64.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jjquqa4kv3zzcr54uphvo4v7fkneag33wewd5mjxelmztopvijlq._file
Verdict:
malicious
Result
Malware family:
nymaim
Create hunting rule
Score:
  10/10
Tags:
family:nymaim discovery trojan
Link:
https://tria.ge/reports/221029-h5ky9sfde3/
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
Loads dropped DLL
Executes dropped EXE
NyMaim
Malware Config
C2 Extraction:
45.139.105.171
85.31.46.167
Unpacked files
SH256 hash:
7a9a2825a5bff0ec3108e4ee059cfd901c0661b4971fe33ff3ac3db872b50d5f
MD5 hash:
3381406a15056df8e31d3d1b88eb1187
SHA1 hash:
20618a82ce3cc4c1326bf763ed74e717d58dab4a
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/1360e7ea-fcb1-45bd-870d-c1a58ad70a42/
SH256 hash:
f5d24b6154c8e0179b5e6d4d5e01a779d37fc872ea7ed00439ff209dbca2f294
MD5 hash:
28e15cd92ef68c72485af4ad83664f5d
SHA1 hash:
d6cf9880305d82b753ee0738c0cc725f234c8196
Link:
https://www.unpac.me/results/1360e7ea-fcb1-45bd-870d-c1a58ad70a42/
SH256 hash:
f14b79b4608389aed38d22dd5cf2739c739e09272b88b052289c0c2b0740e919
MD5 hash:
6420f85a47b5972c2431965ccf823d30
SHA1 hash:
a06cd03c42638cea6722cc64fb72cc3b2e32503c
Link:
https://www.unpac.me/results/1360e7ea-fcb1-45bd-870d-c1a58ad70a42/
SH256 hash:
4a6148038aaef39147bca3cf5772bf2a9a401b7bb12c3eb13722d999b9f54257
MD5 hash:
2915996d5b9d526be4ba21abf722d0b1
SHA1 hash:
79ff81fd0d69fae99364c032fd0ae0bd91944aae
Link:
https://www.unpac.me/results/1360e7ea-fcb1-45bd-870d-c1a58ad70a42/
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/4a6148038aaef39147bca3cf5772bf2a9a401b7bb12c3eb13722d999b9f54257

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/325773/
  
URLhaus
https://urlhaus.abuse.ch/url/2276314/

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