MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7843e05994244ed87c87b042b20bbde7bd76662b8c527537b71d685a9308751d. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments

SHA256 hash: 7843e05994244ed87c87b042b20bbde7bd76662b8c527537b71d685a9308751d
SHA3-384 hash: dde7ab9dabf6573229164f2e12dfc23a3a320e1d6be0b24c9a1b809236550f4ba119f620a7380fff0d5f1c1739adcb06
SHA1 hash: a81bf3af112e3217b8390effbc813e0b6f3c1c1c
MD5 hash: 25e89277045569984f3a8f2fbc35909e
humanhash: one-vegan-bravo-johnny
File name:file
Download: download sample
Signature GCleaner
File size:3'193'433 bytes
First seen:2023-02-14 15:32:31 UTC
Last seen:2023-02-14 15:58:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'446 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 98304:JHqduwgnhpJSL85mhsmx6gWX1YC8gjv2MR:dqgwehXH5mBx6gWFYC8ovjR
TLSH T1D2E5127D7206D46DC6C0BDB4883A88E75CD66DE7EAE4A02270CD7F3F517E1898A09247
TrID 78.6% (.EXE) Inno Setup installer (109740/4/30)
10.1% (.EXE) Win32 Executable Delphi generic (14182/79/4)
3.2% (.EXE) Win32 Executable (generic) (4505/5/1)
2.1% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
1.4% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 14b0b0fceeaa3b18 (363 x GCleaner)
Reporter andretavare5
Tags:exe gcleaner


Avatar
andretavare5
Sample downloaded from http://45.12.253.74/pineapple.php?pub=mixinte

Intelligence


File Origin
# of uploads :
8
# of downloads :
206
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-14 15:33:29 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:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware installer 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:
84 / 100
Signature
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: 807373 Sample: file.exe Startdate: 14/02/2023 Architecture: WINDOWS Score: 84 47 45.12.253.98 CMCSUS Germany 2->47 49 Snort IDS alert for network traffic 2->49 51 Detected unpacking (changes PE section rights) 2->51 53 Detected unpacking (overwrites its own PE header) 2->53 55 3 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 17 10->14         started        signatures6 process7 file8 33 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 14->33 dropped 35 C:\Users\user\AppData\Local\...\_isdecmp.dll, PE32 14->35 dropped 37 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 14->37 dropped 39 7 other files (6 malicious) 14->39 dropped 17 FRec214.exe 24 14->17         started        process9 dnsIp10 41 45.12.253.56, 49712, 80 CMCSUS Germany 17->41 43 45.12.253.72, 49713, 80 CMCSUS Germany 17->43 45 45.12.253.75, 49714, 80 CMCSUS Germany 17->45 29 C:\Users\user\AppData\...\scOGUzlKw.exe, PE32 17->29 dropped 21 cmd.exe 1 17->21         started        23 scOGUzlKw.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:
2023-02-14 15:33:10 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
17 of 26 (65.38%)
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
Executes dropped EXE
Loads dropped DLL
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:
5fc76f3f624f51defd69a375b4b43a121429f7064edae343dc636a6863dac78c
MD5 hash:
7eeaf2eb8a343492ae186a251868ee0d
SHA1 hash:
0036274516e50fa426eb13f579b1c4f380a2abe5
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
d4f52b7d966c476dee40c677a9d9f224e55c592ee287660cd292e91eccd11848
MD5 hash:
9824254bb5cd741b93eec8e623580685
SHA1 hash:
0de975cd3955849f4c668eed5bb5f8b45f940d36
SH256 hash:
e29e9925a8ae64764a8b7c9cb473a2c7458d9f42f21681524d1c63ab6f53d4bf
MD5 hash:
ac1b560b5a9ebf8e5053edd3c54a8cf2
SHA1 hash:
022b56d37264f6dbebcac1e99f9894f8933ba293
SH256 hash:
7843e05994244ed87c87b042b20bbde7bd76662b8c527537b71d685a9308751d
MD5 hash:
25e89277045569984f3a8f2fbc35909e
SHA1 hash:
a81bf3af112e3217b8390effbc813e0b6f3c1c1c
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