MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 12cdb4529dfae93ad811fcaececf2456db8e2c973717da9aef5d634dac5b38d8. 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 2 File information Comments

SHA256 hash: 12cdb4529dfae93ad811fcaececf2456db8e2c973717da9aef5d634dac5b38d8
SHA3-384 hash: 3e49437bbbd10cbc71bcc1ee135ba90df8af13b040a484d775d26ab2a7e940122cfe7ff59bb774d224c548bca4ddd26c
SHA1 hash: 3f71f2dc9f8f0fed03b8a6e52d97a5f048aed89e
MD5 hash: 751621c915a45e227a53383127424fc2
humanhash: mississippi-uranus-missouri-minnesota
File name:file
Download: download sample
Signature GCleaner
File size:2'593'591 bytes
First seen:2022-10-28 12:16:39 UTC
Last seen:2022-10-28 12:44:34 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:Z2vOPxBJ8LeZz2+Fzeax9j+LfTB+voIXeY7eIXao6bOYcEpT+/DppI6ZA5hq:MvUDJv2qSaxwTBnIXesb6bRTpT+/I6CW
TLSH T1A2C53366DA7D18F0E062CD7C6534D22555A23C426934FAA1B5CE98CE9F632C3D08F37A
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 :
302
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-28 12:19:36 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 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
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
greyware overlay packed shell32.dll
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: 733015 Sample: file.exe Startdate: 28/10/2022 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-728N5.tmp, PE32 10->31 dropped 13 is-728N5.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 fbsearcher62.exe 25 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\...\puz2XbC.exe, PE32 16->29 dropped 20 puz2XbC.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:
2022-10-28 13:13:14 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:
6b36f0096fd62a5883c1efb623e6bcd3b25d67ea6ddba8e97e4cdb3d92e0c521
MD5 hash:
29e5bd58d73f70723614c5c82ec4cd47
SHA1 hash:
81925016d417054c911727122aba71109a696b22
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
117bd0f656607df638e6f606638d9c94cecd116c083aae33c1459ca987512f56
MD5 hash:
7f203863ecc9636726b47801e031ae82
SHA1 hash:
91d3fefef4c0d559ea72a25d31f81618108d2de4
SH256 hash:
86827ebc848bc9d371b1238751074ca8979d3b555e965436ab330708a8c64d33
MD5 hash:
884e2c6eebe61d97100fea60ee68cc8d
SHA1 hash:
7125086d6bde02752df2a1b2eb2a9d54ea7b4092
SH256 hash:
12cdb4529dfae93ad811fcaececf2456db8e2c973717da9aef5d634dac5b38d8
MD5 hash:
751621c915a45e227a53383127424fc2
SHA1 hash:
3f71f2dc9f8f0fed03b8a6e52d97a5f048aed89e
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: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