MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bc1a565d38179945379a88be3c1124090e72db026260b97290b21ab4b970caed. 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: bc1a565d38179945379a88be3c1124090e72db026260b97290b21ab4b970caed
SHA3-384 hash: 414b42f164ec313f4ee5932ce771fbec3caed76a528b670dccbe010da546213034d03bdc47549cfbdd6be0b6ff7de7bf
SHA1 hash: 0c9e990bdb6fcf644e22b49b7609a49590df6050
MD5 hash: 4c11b9e111f2446b24c2521ce5ce21f8
humanhash: hot-nine-juliet-illinois
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'568'757 bytes
First seen:2022-10-30 03:45:21 UTC
Last seen:2022-10-30 03:58:59 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:Z2bcilxlTK5WAwoCf14oyYNkAzQ1QHH1pB4thzOYzxrzQjrlA5hq:MYMDdpboQ7qhzzVr8eDq
TLSH T150C5332947955872C073C5F459327F9A8D3ABCC70A39EE24762CAE899D3B6CAC4133D1
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 :
5
# of downloads :
518
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-30 03:46:54 UTC
Tags:
installer
Link:
https://app.any.run/tasks/c4db86c4-e036-4ac6-8863-d4815b49e182

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/326026/
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
Sending a custom TCP request
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 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/46726/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/635df37ba5db8d309cbbe35c/reports/41c2eece-5bb3-4a46-8eaf-257383a61620/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/0b3c0d4d-1fd0-4866-9c79-63fe64d7f066
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1101130
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)
Machine Learning detection for dropped file
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 733791 Sample: file.exe Startdate: 30/10/2022 Architecture: WINDOWS Score: 100 47 45.139.105.1 CMCSUS Italy 2->47 49 85.31.46.167 CLOUDCOMPUTINGDE Germany 2->49 51 Multi AV Scanner detection for domain / URL 2->51 53 Antivirus detection for URL or domain 2->53 55 Antivirus detection for dropped file 2->55 57 5 other signatures 2->57 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-RVAV8.tmp, PE32 10->31 dropped 13 is-RVAV8.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 ffsearcher64.exe 25 13->16         started        process8 dnsIp9 41 107.182.129.235, 49692, 80 META-ASUS Reserved 16->41 43 171.22.30.106, 49693, 80 CMCSUS Germany 16->43 45 45.139.105.171, 49691, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\...\Uy936Pnz.exe, PE32 16->29 dropped 20 Uy936Pnz.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/bc1a565d38179945379a88be3c1124090e72db026260b97290b21ab4b970caed/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2022-10-30 03:46:09 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
11 of 26 (42.31%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xqnfmxjyc6mukn42rc7dyejebehhfwycmjqls4uqwinljolqzlwq._file
Verdict:
malicious
Result
Malware family:
nymaim
Create hunting rule
Score:
  10/10
Tags:
family:nymaim discovery trojan
Link:
https://tria.ge/reports/221030-ebmdfsbghn/
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:
6b181fd5fe53a17615af75577400d782ea8a586e6894b23f946c8fb1ce6319a7
MD5 hash:
7612315b526bf2d6f5285ba7bdabfcb7
SHA1 hash:
324bdc09d5d853f21c6a5c59c9ad22abef89af7a
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/ecbbc229-cd4e-409e-95d9-7db2d8e4cacb/
SH256 hash:
f898af820f213d9429ed0f7da78628cb75226c270735206b4a6703835a9c5a17
MD5 hash:
66137950a8a2d1a64a019cda4cd297a0
SHA1 hash:
9176560ec5fb357a2271d74b454bd07da8e551fe
Link:
https://www.unpac.me/results/ecbbc229-cd4e-409e-95d9-7db2d8e4cacb/
SH256 hash:
bc1a565d38179945379a88be3c1124090e72db026260b97290b21ab4b970caed
MD5 hash:
4c11b9e111f2446b24c2521ce5ce21f8
SHA1 hash:
0c9e990bdb6fcf644e22b49b7609a49590df6050
Link:
https://www.unpac.me/results/ecbbc229-cd4e-409e-95d9-7db2d8e4cacb/
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/bc1a565d38179945379a88be3c1124090e72db026260b97290b21ab4b970caed

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/326026/

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