MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b7f7e26b07494c5e210416daddfb0f0f7cefc307a6b7e6145a90686ab63970b. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments

SHA256 hash: 4b7f7e26b07494c5e210416daddfb0f0f7cefc307a6b7e6145a90686ab63970b
SHA3-384 hash: feab8ac70bc2e66d773b5ea4383368f0d6d78581f6b7f9f12a2b12860a5edcf16d567cfbc65d803bf33f412fed58a9d2
SHA1 hash: 0220b2a5a9e53bc1e7ffc1248ad12ee0b6cac996
MD5 hash: b641f033e1407ce1b73dda275b303387
humanhash: wolfram-vermont-xray-east
File name:file
Download: download sample
Signature GCleaner
File size:1'761'426 bytes
First seen:2023-01-17 23:06:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'514 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:m3LTHTZGG+FvS5vIrz79LQ9Q+V0HLSS4cASXH5qZ1GTj:2lEFiIrvS9cLSkASXZK1GTj
TLSH T194853346DDFE853CF0212074AD63ACB289BEAE966E792C917CDC464D0F771071BA2724
TrID 75.1% (.EXE) Inno Setup installer (109740/4/30)
9.7% (.EXE) Win32 Executable Delphi generic (14182/79/4)
4.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.0% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
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://45.12.253.74/pineapple.php?pub=mixinte

Intelligence


File Origin
# of uploads :
1
# of downloads :
253
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-17 23:08:27 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 in the Program Files subdirectories
Moving a file to the Program Files subdirectory
Modifying a system file
Creating a file in the %AppData% subdirectories
Sending an HTTP GET request
Sending a custom TCP request
Running batch commands
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Launching a tool to kill processes
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Malicious
Threat level:
  10/10
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:
92 / 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
Obfuscated command line found
Snort IDS alert for network traffic
Yara detected Nymaim
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 786263 Sample: file.exe Startdate: 18/01/2023 Architecture: WINDOWS Score: 92 47 45.12.253.98 CMCSUS Germany 2->47 49 Snort IDS alert for network traffic 2->49 51 Antivirus detection for URL or domain 2->51 53 Detected unpacking (changes PE section rights) 2->53 55 4 other signatures 2->55 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\Temp\...\file.tmp, PE32 10->31 dropped 57 Obfuscated command line found 10->57 14 file.tmp 18 16 10->14         started        signatures6 process7 file8 33 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 14->33 dropped 35 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 14->35 dropped 37 C:\Users\user\AppData\Local\...\_RegDLL.tmp, PE32 14->37 dropped 39 6 other files (5 malicious) 14->39 dropped 17 finalrecovery.exe 24 14->17         started        process9 dnsIp10 41 45.12.253.56, 49701, 80 CMCSUS Germany 17->41 43 45.12.253.72, 49702, 80 CMCSUS Germany 17->43 45 2 other IPs or domains 17->45 29 C:\Users\user\AppData\...\lN2FcNt1PfjM.exe, PE32 17->29 dropped 21 cmd.exe 1 17->21         started        23 lN2FcNt1PfjM.exe 17->23         started        file11 process12 process13 25 taskkill.exe 1 21->25         started        27 conhost.exe 21->27         started       
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2023-01-17 23:07:07 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
gcleaner
Score:
  10/10
Tags:
family:gcleaner discovery loader
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
GCleaner
Malware Config
C2 Extraction:
45.12.253.56
45.12.253.72
45.12.253.98
45.12.253.75
Unpacked files
SH256 hash:
d3a0515029e012e34f3a30184c6bfa3376e875058867f7dfd773418462247f20
MD5 hash:
1b7c60d9141c6c5fad198d84349c8a4a
SHA1 hash:
92e673c1a3dc3e55fc44b98fd1785b318c903a52
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
bc984b29ba76e8f379d43c2e3adc1051f0e578242e67287c81351ed08887ff05
MD5 hash:
6feab20a16a24862559bdca36d205a78
SHA1 hash:
5e84c298c17d0717f06d4c64e4b973a2ae47a8f7
SH256 hash:
d45c38ed241a4b25021ba4d2097d321007ab3f02009fa8697d6b23800c3d2f80
MD5 hash:
5dc4a038e54a41ca3caf3e1a217309a6
SHA1 hash:
0aa3a8adac11e4cab221f31f8f6f4e56cb942802
SH256 hash:
4b7f7e26b07494c5e210416daddfb0f0f7cefc307a6b7e6145a90686ab63970b
MD5 hash:
b641f033e1407ce1b73dda275b303387
SHA1 hash:
0220b2a5a9e53bc1e7ffc1248ad12ee0b6cac996
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:shellcode
Author:nex
Description:Matched shellcode byte patterns
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