MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 820bea5c561201f0d0b233e131b683caa7294ac601e7edc57e8ed162062e40f2. 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: 820bea5c561201f0d0b233e131b683caa7294ac601e7edc57e8ed162062e40f2
SHA3-384 hash: e1c2974db394f876b80bb79444b576d54c51cf058b6388a509f594a2448bad541d674096d469a4f3a1cf48d1bf7bdc77
SHA1 hash: cdc6d65cf3f7ba3533fc8f87c6ea49ab3d862bef
MD5 hash: 42bfda2337838bc41aa62cae041a4026
humanhash: mike-low-social-tango
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'371'411 bytes
First seen:2022-10-27 09:52:24 UTC
Last seen:2022-10-27 10:13:20 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:Z2hjtD2P2/Vj6dA5svQoxU2BUzj7LTgWz68dMimhH6A5hq:MjHtudAuvQkrqzjPTgWz6BDq
TLSH T1E1B533118AF44AB5D051D6B54EBF8B6CC3092D269074F48577FC90CD0E7A6CAB83ABE4
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 :
10
# of downloads :
250
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ficker
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-27 09:54:52 UTC
Tags:
installer evasion loader trojan ficker stealer vidar opendir
Link:
https://app.any.run/tasks/e95c2fd7-6007-45d5-9e20-8beddcc18390

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/324815/
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 a custom TCP request
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Moving a file to the %AppData% subdirectory
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/45926/overview
Behaviour
MalwareBazaar
CheckCmdLine
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/61a2baba-6033-48c4-9d05-6951d04477ef
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1099176
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
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 731827 Sample: file.exe Startdate: 27/10/2022 Architecture: WINDOWS Score: 80 46 45.139.105.1 CMCSUS Italy 2->46 48 85.31.46.167 CLOUDCOMPUTINGDE Germany 2->48 50 Antivirus detection for URL or domain 2->50 52 Detected unpacking (changes PE section rights) 2->52 54 Detected unpacking (overwrites its own PE header) 2->54 56 3 other signatures 2->56 10 file.exe 2 2->10         started        signatures3 process4 file5 30 C:\Users\user\AppData\Local\...\is-TT03N.tmp, PE32 10->30 dropped 13 is-TT03N.tmp 16 25 10->13         started        process6 file7 32 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 13->32 dropped 34 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 13->34 dropped 36 C:\...\unins000.exe (copy), PE32 13->36 dropped 38 4 other files (2 malicious) 13->38 dropped 16 ezsearcher61.exe 24 13->16         started        process8 dnsIp9 40 107.182.129.235, 49708, 80 META-ASUS Reserved 16->40 42 171.22.30.106, 49709, 80 CMCSUS Germany 16->42 44 45.139.105.171, 49707, 80 CMCSUS Italy 16->44 28 C:\Users\user\AppData\Roaming\...\UcLfP.exe, PE32 16->28 dropped 20 cmd.exe 1 16->20         started        22 UcLfP.exe 16->22         started        file10 process11 process12 24 taskkill.exe 1 20->24         started        26 conhost.exe 20->26         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/820bea5c561201f0d0b233e131b683caa7294ac601e7edc57e8ed162062e40f2/
Threat name:
Win32.Trojan.Injuke
Create hunting rule
Status:
Malicious
First seen:
2022-10-27 10:06:19 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
7 of 40 (17.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qif6uxcwcia7bufsgpqtdnudzktssswgaht63rl6r3iwebroidza._file
Verdict:
malicious
Result
Malware family:
nymaim
Create hunting rule
Score:
  10/10
Tags:
family:nymaim discovery trojan
Link:
https://tria.ge/reports/221027-lwmchsbgb8/
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/03ebb575-75da-4f7c-9327-a37ee74d7a90
Unpacked files
SH256 hash:
179a11b2a0fb3de0e5d89a91f1cea31e335a03b48a0e7f1a54b8fc467b2fee44
MD5 hash:
2648d36b3abb681b7f37303e3fcab71d
SHA1 hash:
726ba88fa02331fb2d724410aa1bfa0e49606b43
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/b2573dd8-9c37-4e17-99b8-b2f312bc5b77/
SH256 hash:
9dc1973f86c3eb466d209853d0677dfa5f536d81169dba4f1ed80fb75b965b18
MD5 hash:
3f971b5df9ad95ccd25f4d56c0c296cf
SHA1 hash:
d7216fc8f5ab7e8fcf667110f13c8f21017b8ec4
Link:
https://www.unpac.me/results/b2573dd8-9c37-4e17-99b8-b2f312bc5b77/
SH256 hash:
ac0bd4b4727c98af5125434889f78f60cb25985b913e4f6f24b0045d7dcd6a10
MD5 hash:
301a08214dae21825a4953a26aef855a
SHA1 hash:
620a43188eabc70cc30b62445eb35eb33c0976e8
Link:
https://www.unpac.me/results/b2573dd8-9c37-4e17-99b8-b2f312bc5b77/
SH256 hash:
820bea5c561201f0d0b233e131b683caa7294ac601e7edc57e8ed162062e40f2
MD5 hash:
42bfda2337838bc41aa62cae041a4026
SHA1 hash:
cdc6d65cf3f7ba3533fc8f87c6ea49ab3d862bef
Link:
https://www.unpac.me/results/b2573dd8-9c37-4e17-99b8-b2f312bc5b77/
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/820bea5c561201f0d0b233e131b683caa7294ac601e7edc57e8ed162062e40f2

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/324815/
  
URLhaus
https://urlhaus.abuse.ch/url/2276314/

Comments