MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d8904c03c7611985dfba979b180d491738e62a9bc4429dcd91ae746c539075ba. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments

SHA256 hash: d8904c03c7611985dfba979b180d491738e62a9bc4429dcd91ae746c539075ba
SHA3-384 hash: 08cc894e96be1fd1a2d91358f30e7c141d24335d9f0b964645917496d4c1460a3fb3af8cb0f5de6d909af4ff8fca9076
SHA1 hash: 7c8cc2b108dac8e035d00b09a2a6689c9b3606b9
MD5 hash: 09b4f0a90455c213d738320022e7316f
humanhash: eleven-carpet-river-comet
File name:file
Download: download sample
Signature GCleaner
File size:2'551'787 bytes
First seen:2022-10-25 01:17:26 UTC
Last seen:2022-10-25 01:43:36 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:Z2lDu9vm//Jlk6ZPK8anoFiuMpgInr+5/KDe/mk1yF4tTqow8f8/u9B2vA5hq:MlsqpZDang1aMK6u/4tTqo2/u984Dq
Threatray 615 similar samples on MalwareBazaar
TLSH T1D0C5332382CCE0B1E2DD4DF11A474DB88D1ABAB20C75BC0922ED685F5F36544E5BDB1A
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 :
12
# of downloads :
248
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-25 01:20:27 UTC
Tags:
installer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
Moving a recently created file
Modifying a system file
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
Behaviour
MalwareBazaar
CheckCmdLine
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.
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 dropped file
Yara detected Nymaim
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 729779 Sample: file.exe Startdate: 25/10/2022 Architecture: WINDOWS Score: 88 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 Detected unpacking (changes PE section rights) 2->53 55 Detected unpacking (overwrites its own PE header) 2->55 57 3 other signatures 2->57 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-11RA8.tmp, PE32 10->31 dropped 13 is-11RA8.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 etsearcher58.exe 25 13->16         started        process8 dnsIp9 41 107.182.129.235, 49701, 80 META-ASUS Reserved 16->41 43 171.22.30.106, 49702, 80 CMCSUS Germany 16->43 45 45.139.105.171, 49700, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\Roaming\...\Xlp2eC.exe, PE32 16->29 dropped 20 Xlp2eC.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
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2022-10-25 02:14:44 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
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
Unpacked files
SH256 hash:
ba572e01a556d149dc3cdd28baa76f733552eee1e29b8b8406f4622733c180ea
MD5 hash:
be9b2088bc464af31fe964dfb4d866d8
SHA1 hash:
8d7ab6505d2962319cf71c6666b1adcba93f6d13
Detections:
win_nymaim_g0 win_gcleaner_auto
SH256 hash:
a651f5d6f8b4839185488ff013e55bc5c11c74654bb4541a40ec34b794effe59
MD5 hash:
b24280489ee2c9e19187c4d0181dd8c0
SHA1 hash:
49e54a38e7ee7e4e5519ed7dbd82feaf6e226f89
SH256 hash:
d8904c03c7611985dfba979b180d491738e62a9bc4429dcd91ae746c539075ba
MD5 hash:
09b4f0a90455c213d738320022e7316f
SHA1 hash:
7c8cc2b108dac8e035d00b09a2a6689c9b3606b9
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