MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c1a3751ec9653bf19e61525c480a836cf44fadc146ce0b363ec81d901ea929e1. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c1a3751ec9653bf19e61525c480a836cf44fadc146ce0b363ec81d901ea929e1
SHA3-384 hash: 0a5afba72a801b967394314916d9a2bc89e06b206fc7ac39318e01fbb726638ddd82265ead05c96b65150d4d7b07cc81
SHA1 hash: 58f2bc63130f0e382352e423406cabb30b56541b
MD5 hash: 2d5232efff7056b319883b7af9de30d5
humanhash: kansas-helium-illinois-alpha
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:3'020'918 bytes
First seen:2022-11-04 21:15:51 UTC
Last seen:2022-11-04 21:44:55 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:Z2h5CJdiQK6Gm+jf4kD7b5uPjo+Hgoz7J7G4kAS69NTnpNStc6tA5hq:Mh5CTujf3bAPs+AohGXAS+f0+Dq
TLSH T186E53393CA858070D8B15EF02E768B5921FD7E261A36247D156C2ECF4F2A3CEF425B94
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 :
8
# of downloads :
190
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ficker
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-11-04 21:16:57 UTC
Tags:
installer loader evasion trojan ficker stealer vidar
Link:
https://app.any.run/tasks/6e28f618-0c83-4afd-a9f7-ea571327d062

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/328826/
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 in the Program Files subdirectories
Moving a file to the Program Files subdirectory
Modifying a system file
Searching for synchronization primitives
Creating a file in the %AppData% 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/48701/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/63658113e01d8a1edbe96fb5/reports/fb21bb42-ac86-4c37-852a-946c894d1864/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/7dd154fb-8e29-42c8-bd0d-172538b9bb37
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1105801
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 domain / URL
Multi AV Scanner detection for dropped file
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 738468 Sample: file.exe Startdate: 04/11/2022 Architecture: WINDOWS Score: 96 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 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-DA7TJ.tmp, PE32 10->31 dropped 13 is-DA7TJ.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 fpsearcher69.exe 21 13->16         started        process8 dnsIp9 41 107.182.129.235, 49696, 80 META-ASUS Reserved 16->41 43 171.22.30.106, 49697, 80 CMCSUS Germany 16->43 45 45.139.105.171, 49695, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\Roaming\...\1zIW1I1.exe, PE32 16->29 dropped 20 1zIW1I1.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/c1a3751ec9653bf19e61525c480a836cf44fadc146ce0b363ec81d901ea929e1/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2022-11-04 21:16:10 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
13 of 26 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ygrxkhwjmu57dhtbkjoeqcudnt2e7lobi3hawnr6zaozahvjfhqq._file
Verdict:
malicious
Result
Malware family:
nymaim
Create hunting rule
Score:
  10/10
Tags:
family:nymaim discovery trojan
Link:
https://tria.ge/reports/221104-z4frlabbc7/
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/8b34d206-d4c0-4079-981e-02356e43075c
Unpacked files
SH256 hash:
269ed11ad872a31b7d8bfadffd6b01d3a70a186d95829ee8e9c51fde1011d7ae
MD5 hash:
6f6617fa61b5e90075e0e00f9bc45f9b
SHA1 hash:
7adacf45dc0fc063c8031ad9e943dbc7f1651aeb
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/84dbc7cc-58bc-4fc7-adc3-b804f442d002/
SH256 hash:
bfadbc02b6b6e06b12ffabddd221676be73a0a5674d558a03055894ee1bfdcc5
MD5 hash:
082aa52fc8d0cde996e852cb2eacc7b8
SHA1 hash:
a83fed86954af2742035185abfe77014fbd979e4
Link:
https://www.unpac.me/results/84dbc7cc-58bc-4fc7-adc3-b804f442d002/
SH256 hash:
753083de10b230da03c6e2bc4865bbefb9a9c94d8946699d3a6d903048f0ba94
MD5 hash:
fc245721f161c38115ecec21ef18971b
SHA1 hash:
0d7652a91c74b7861948293dfd80f1d7831a73fb
Link:
https://www.unpac.me/results/84dbc7cc-58bc-4fc7-adc3-b804f442d002/
SH256 hash:
c1a3751ec9653bf19e61525c480a836cf44fadc146ce0b363ec81d901ea929e1
MD5 hash:
2d5232efff7056b319883b7af9de30d5
SHA1 hash:
58f2bc63130f0e382352e423406cabb30b56541b
Link:
https://www.unpac.me/results/84dbc7cc-58bc-4fc7-adc3-b804f442d002/
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/c1a3751ec9653bf19e61525c480a836cf44fadc146ce0b363ec81d901ea929e1

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/328826/
  
URLhaus
https://urlhaus.abuse.ch/url/2276314/

Comments