MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2c8d6b540b24ea31c000470f8d23205b7aed543a5f2cb1838b6cd62f48502749. 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: 16


Intelligence 16 IOCs YARA 3 File information Comments

SHA256 hash: 2c8d6b540b24ea31c000470f8d23205b7aed543a5f2cb1838b6cd62f48502749
SHA3-384 hash: a7907cf0a1828891a23b20f092a0c75eda4f291caf813ce57c29c5b71f0025c76781d547209d2a0b7422fbc5c28fb1b1
SHA1 hash: f8fade62a7573b25e37ca53236947537950af773
MD5 hash: 21c9d3a18782e32919ae3578b9e3d93f
humanhash: jig-high-red-item
File name:file
Download: download sample
Signature GCleaner
File size:3'041'508 bytes
First seen:2022-11-04 01:46:48 UTC
Last seen:2022-11-04 02:28:49 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:Z2tly89qRG7eQKFfVvBpjwOEeNbMPnBmPz3wqtbOQCghMI9pfoh0KBvTKaKq1A5Q:MtlyfT3seN+BmDwqdOQHdK0KBvTzKqWW
TLSH T1FBE5332767A08E73D666E8F15E368F0404B07C222826568E779DF4CD1E77A84DE23B71
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 :
16
# of downloads :
220
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-11-04 01:48:20 UTC
Tags:
installer evasion trojan ficker stealer loader opendir vidar

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
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
Sending a custom TCP request
Launching a process
Forced system process termination
Running batch commands
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Creating a file in the Windows subdirectories
Searching for the window
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
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
greyware overlay packed shell32.dll
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
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 submitted file
Yara detected Nymaim
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 737682 Sample: file.exe Startdate: 04/11/2022 Architecture: WINDOWS Score: 88 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 Multi AV Scanner detection for submitted file 2->52 54 Detected unpacking (changes PE section rights) 2->54 56 4 other signatures 2->56 10 file.exe 2 2->10         started        signatures3 process4 file5 30 C:\Users\user\AppData\Local\...\is-MG6T2.tmp, PE32 10->30 dropped 13 is-MG6T2.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 fnsearcher68.exe 25 13->16         started        process8 dnsIp9 40 107.182.129.235, 49692, 80 META-ASUS Reserved 16->40 42 171.22.30.106, 49693, 80 CMCSUS Germany 16->42 44 45.139.105.171, 49691, 80 CMCSUS Italy 16->44 28 C:\Users\user\AppData\...\9TUEbrap4.exe, PE32 16->28 dropped 20 cmd.exe 1 16->20         started        22 9TUEbrap4.exe 16->22         started        file10 process11 process12 24 taskkill.exe 1 20->24         started        26 conhost.exe 20->26         started       
Threat name:
Win32.Trojan.Privateloader
Status:
Suspicious
First seen:
2022-11-04 01:47:10 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:nymaim discovery trojan
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
Unpacked files
SH256 hash:
895fd291a8aee7d66e3dc02b2907189e8d64783ff8e37f41e5dd541dccec23dd
MD5 hash:
b2550eb47e519a084fe87d0f75d87e2e
SHA1 hash:
071d39eef8107bf6de8ebd5b53be5b418291946e
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
8b970002ac2de5692808f09d8a25a069d23a89301cb6b7e4d16afe3c4297b5b8
MD5 hash:
10807fada9d44a83e19df756ce594856
SHA1 hash:
94085dbe0d3b42ea69be938d5bef39b5a582086e
SH256 hash:
2c8d6b540b24ea31c000470f8d23205b7aed543a5f2cb1838b6cd62f48502749
MD5 hash:
21c9d3a18782e32919ae3578b9e3d93f
SHA1 hash:
f8fade62a7573b25e37ca53236947537950af773
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:Michael Reinprecht
Description:DEMO CAS YARA Rules for sample2.exe
Rule name:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:win_gcleaner_auto
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

Comments