MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6ef3cb86624f365a270577001d0845baa4d89cdfb74909e933359047fa55dc6d. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6ef3cb86624f365a270577001d0845baa4d89cdfb74909e933359047fa55dc6d
SHA3-384 hash: 1bd439f1d4a666ba85042d81b7d71d0b285b978afab035816f8e7bf2d47c7d6c8d410944dceff97a1e59d89979e6a2df
SHA1 hash: 9198c8febfc833bc2a30c9ca2c5f9ab8d1c81162
MD5 hash: 5b0ec48e715eed7c00ef7801a1d18b85
humanhash: monkey-salami-carolina-south
File name:5b0ec48e715eed7c00ef7801a1d18b85.exe
Download: download sample
Signature GCleaner
Create hunting rule
File size:3'151'604 bytes
First seen:2023-06-19 11:28:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'453 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 98304:Ba5hlWD8lnCw4KVFIPsi+C8gIFEdtADIyCT:mhlWD85PUugIFEzAKT
TLSH T1DFE502416902B914C6610E7DADA9C470A3261C170F38855CAED0BF67B77F8BAFD0A17E
TrID 80.3% (.EXE) Inno Setup installer (109740/4/30)
10.3% (.EXE) Win32 Executable Delphi generic (14182/79/4)
3.2% (.EXE) Win32 Executable (generic) (4505/5/1)
1.5% (.EXE) Win16/32 Executable Delphi generic (2072/23)
1.4% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon f0d4aae8e8dcd4f8 (3 x GCleaner)
Reporter abuse_ch
Tags:exe gcleaner

Intelligence

File Origin
# of uploads :
1
# of downloads :
272
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
redline
Create hunting rule
ID:
1
File name:
File.exe
Verdict:
Malicious activity
Analysis date:
2023-06-19 11:20:05 UTC
Tags:
privateloader evasion loader opendir rat redline amadey trojan fabookie stealer
Link:
https://app.any.run/tasks/ae2b6280-0a00-45dc-8f02-fce31904785c

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/400393/
Detection(s):
SecuriteInfo.com.Adware.Bestcode.10.23973.2984.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
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 a custom TCP request
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/91556/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware installer lolbin overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/64903bfe10461c2d676a6959/reports/86932569-545f-49c6-913d-bc7a5b2910cd/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/6ef3cb86624f365a270577001d0845baa4d89cdfb74909e933359047fa55dc6d
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/413ccba0-5539-4164-b3d5-ae069f58f9d5
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1257723
Signature
Antivirus detection for dropped file
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)
Found malware configuration
Machine Learning detection for dropped file
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 890743 Sample: eWDiB3zL0Y.exe Startdate: 19/06/2023 Architecture: WINDOWS Score: 100 47 45.12.253.98 CMCSUS Germany 2->47 49 Snort IDS alert for network traffic 2->49 51 Found malware configuration 2->51 53 Antivirus detection for URL or domain 2->53 55 8 other signatures 2->55 10 eWDiB3zL0Y.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-VHDCK.tmp, PE32 10->31 dropped 13 is-VHDCK.tmp 10 24 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:\Users\user\AppData\Local\...\_RegDLL.tmp, PE32 13->37 dropped 39 6 other files (5 malicious) 13->39 dropped 16 Rec619.exe 24 13->16         started        process8 dnsIp9 41 45.12.253.56, 49693, 80 CMCSUS Germany 16->41 43 45.12.253.72, 49694, 80 CMCSUS Germany 16->43 45 45.12.253.75, 49695, 80 CMCSUS Germany 16->45 29 C:\Users\user\AppData\...\8ga0M0Z981AW.exe, PE32 16->29 dropped 20 8ga0M0Z981AW.exe 16->20         started        23 cmd.exe 1 16->23         started        file10 process11 signatures12 57 Multi AV Scanner detection for dropped file 20->57 25 taskkill.exe 1 23->25         started        27 conhost.exe 23->27         started        process13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6ef3cb86624f365a270577001d0845baa4d89cdfb74909e933359047fa55dc6d/
Threat name:
Win32.Trojan.Gcleaner
Create hunting rule
Status:
Suspicious
First seen:
2023-06-19 11:29:06 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=n3z4xbtcj43fujyfo4ab2ccfxksnrhg7w5eqt2jtgwiep6sv3rwq._file
Verdict:
malicious
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230619-nljvraee9y/
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
Executes dropped EXE
Loads dropped DLL
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:
7430abecb36433b2f4debaec88eee10816a9c3402e7027ad989a472e6a1ad353
MD5 hash:
cc27b701deadbf0f1a9f9599e169ee05
SHA1 hash:
9e507f26a0f01ac3f0f5f384fc5ee9df083a3ec6
Detections:
Nymaim
Create hunting rule
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/96d3d1aa-276d-4f87-9b5c-00e49d71c832/
SH256 hash:
645b9801a6a8b3819c68b995011a24317a59958eb6eff1480e4ff27d51bbdc25
MD5 hash:
e7e1f8772f579a1a9f7a090036876782
SHA1 hash:
b86fb6a15b6a3dcc12abda426679c8de10b9cb94
Link:
https://www.unpac.me/results/96d3d1aa-276d-4f87-9b5c-00e49d71c832/
SH256 hash:
6ef3cb86624f365a270577001d0845baa4d89cdfb74909e933359047fa55dc6d
MD5 hash:
5b0ec48e715eed7c00ef7801a1d18b85
SHA1 hash:
9198c8febfc833bc2a30c9ca2c5f9ab8d1c81162
Link:
https://www.unpac.me/results/96d3d1aa-276d-4f87-9b5c-00e49d71c832/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/6ef3cb86624f365a270577001d0845baa4d89cdfb74909e933359047fa55dc6d

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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.

Cape
Cape
https://www.capesandbox.com/analysis/400393/

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