MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dbefdf92873c53b914c9baea937350d31dd81bad7a16511944a95327d62bc1e4. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dbefdf92873c53b914c9baea937350d31dd81bad7a16511944a95327d62bc1e4
SHA3-384 hash: 7458cd0a8446d0b78a310b1c29d98ffe4aebaa94531d96e2eaedbc6096ef1c7c235f4d09a2c1bb5e3c96eb79629900d3
SHA1 hash: 7972ce93f0a03e97880f1b7fa42ba5f0bb7836e7
MD5 hash: 9aefcc074e59a00fe3cc0af8efec2b3c
humanhash: cola-video-grey-failed
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'611'176 bytes
First seen:2022-10-31 15:47:55 UTC
Last seen:2022-10-31 15:58:46 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:Z2esL9setC1GWK/cj6LcblfxHdsmwsZLrL4Gj/zKVE6A5hq:MbLCX6gbLnwCrLtj/zjDq
TLSH T1FEC53324AA1459B2C0899EF59C7958EA1AB77F633199E8337C4CC95F0F37291FC502CA
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 :
7
# of downloads :
465
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-31 15:51:16 UTC
Tags:
installer
Link:
https://app.any.run/tasks/ddb8f389-32aa-4093-8044-38034ecb5a57

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/326478/
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
Searching for synchronization primitives
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 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/47037/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/635fee3600b65b1cd8a80b16/reports/43ef3c48-76d0-4421-8585-7da8382457e8/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/251d22a3-c4f7-4978-a7d3-166b658202a7
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1101837
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: 734500 Sample: file.exe Startdate: 31/10/2022 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-5ND7H.tmp, PE32 10->31 dropped 13 is-5ND7H.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 fhsearcher65.exe 25 13->16         started        process8 dnsIp9 41 107.182.129.235, 49686, 80 META-ASUS Reserved 16->41 43 171.22.30.106, 49687, 80 CMCSUS Germany 16->43 45 45.139.105.171, 49685, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\Roaming\...\C1GxR0A.exe, PE32 16->29 dropped 20 C1GxR0A.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/dbefdf92873c53b914c9baea937350d31dd81bad7a16511944a95327d62bc1e4/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2022-10-31 15:48:20 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3px57euhhrj3sfgjxlvjg42q2mo5qg5npilfcgkevfjspvrlyhsa._file
Verdict:
malicious
Result
Malware family:
nymaim
Create hunting rule
Score:
  10/10
Tags:
family:nymaim discovery trojan
Link:
https://tria.ge/reports/221031-s8shmabda3/
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
Unpacked files
SH256 hash:
8e8b4005725d409cef6cc801356eff5e0ae558da7aad42a11119cea6532eec25
MD5 hash:
7f1720aa5abb4c0a06b3460b8e2b130c
SHA1 hash:
8c0b4692f65851a9f86f3f508ce9cabf109db308
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/8297fb12-1823-4a9f-b0e2-96868240d99c/
SH256 hash:
609a3860572ee04fece5790a5a6622a988698d077e33d4b67971f44219422619
MD5 hash:
e7ee81199462c69f59308a04275fcfef
SHA1 hash:
b50fcf663ff1529ab8547bcb0f3dce2ed1e0b0f1
Link:
https://www.unpac.me/results/8297fb12-1823-4a9f-b0e2-96868240d99c/
SH256 hash:
dbefdf92873c53b914c9baea937350d31dd81bad7a16511944a95327d62bc1e4
MD5 hash:
9aefcc074e59a00fe3cc0af8efec2b3c
SHA1 hash:
7972ce93f0a03e97880f1b7fa42ba5f0bb7836e7
Link:
https://www.unpac.me/results/8297fb12-1823-4a9f-b0e2-96868240d99c/
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/dbefdf92873c53b914c9baea937350d31dd81bad7a16511944a95327d62bc1e4

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/326478/
  
URLhaus
https://urlhaus.abuse.ch/url/2276314/

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