MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7c4af0439fa5ea83916252977f59415c652b7efe851c79a17bda55f1b77a890f. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7c4af0439fa5ea83916252977f59415c652b7efe851c79a17bda55f1b77a890f
SHA3-384 hash: 72c8b4657f8a21d8e062b2fa09aabc1e46464db9ccc1c899b4ee0e7976aee4564e9c6d255a6d2819a24d6b730d4ee8af
SHA1 hash: f660118f029f571558dc0df5172165235ae0f271
MD5 hash: a7ec532ea8eeca55685aa13b12d3e434
humanhash: summer-august-mobile-foxtrot
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:1'850'798 bytes
First seen:2023-05-03 15:36:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash da86ff6d22d7419ae7f10724a403dffd (1'679 x GCleaner, 1 x Socks5Systemz)
ssdeep 49152:YUZhpPUxlBwy7I4L0OAPW/thOiF7AG5cK:Y06iuL0I+iF7XcK
Threatray 3'098 similar samples on MalwareBazaar
TLSH T13D853342423262B4EE23BFB40D4BEDE14D3EB1B748384E483DD8552E6AE66E4551CF1E
TrID 81.0% (.EXE) Inno Setup installer (109740/4/30)
10.4% (.EXE) Win32 Executable Delphi generic (14182/79/4)
3.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.2% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
1.4% (.EXE) Generic Win/DOS Executable (2002/3)
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 :
302
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-05-03 15:37:53 UTC
Tags:
installer gcleaner loader
Link:
https://app.any.run/tasks/113b69fb-3260-445f-a181-d2314a264da9

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/386279/
Detection(s):
PUA.Win.Packer.Overlay-1
Create hunting rule

SecuriteInfo.com.Win32.Malware-gen.24316.29731.UNOFFICIAL
Create hunting rule

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
Searching for the window
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
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
Link:
https://dragonfly.certego.net/analysis/82329/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware installer overlay packed
Link:
https://www.filescan.io/uploads/64527fa0eabaad23dca174b4/reports/11cfadfb-c371-4adb-9885-3449b0cbcef2/overview
Verdict:
Malicious
Link:
https://www.hybrid-analysis.com/sample/7c4af0439fa5ea83916252977f59415c652b7efe851c79a17bda55f1b77a890f
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c3594d2a-23b3-4ec6-8d6c-e77d02bf7a37
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1225513
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)
Found malware configuration
Machine Learning detection for dropped file
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 858474 Sample: file.exe Startdate: 03/05/2023 Architecture: WINDOWS Score: 100 47 45.12.253.98 CMCSUS Germany 2->47 49 Snort IDS alert for network traffic 2->49 51 Found malware configuration 2->51 53 Antivirus detection for URL or domain 2->53 55 7 other signatures 2->55 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-OQ1VE.tmp, PE32 10->31 dropped 13 is-OQ1VE.tmp 14 23 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 5 other files (4 malicious) 13->39 dropped 16 Rec53.exe 23 13->16         started        process8 dnsIp9 41 45.12.253.56, 49706, 80 CMCSUS Germany 16->41 43 45.12.253.72, 49707, 80 CMCSUS Germany 16->43 45 45.12.253.75, 49708, 80 CMCSUS Germany 16->45 29 C:\Users\user\AppData\...\YbAMCXyP8R3mH.exe, PE32 16->29 dropped 20 YbAMCXyP8R3mH.exe 16->20         started        23 cmd.exe 1 16->23         started        file10 process11 signatures12 57 Multi AV Scanner detection for dropped file 20->57 25 taskkill.exe 1 23->25         started        27 conhost.exe 23->27         started        process13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7c4af0439fa5ea83916252977f59415c652b7efe851c79a17bda55f1b77a890f/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2023-05-03 15:37:08 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=prfpaq47uxvihelckklx6wkblrssw7x6quohtil33jk7dn32rehq._file
Verdict:
malicious
Similar samples:
121a989787cc300ec5239c8e4da3823e38d302604f0b14ccb1c560294b33f462
GCleaner
252871c362ddf13b17dbc09ac9c50a255e9561c1ce0b8222b441049939eae963
GCleaner
41acce21b831a7dce94dac7e3d48249b70eb29f50325a27ca2523ada68aee06c
GCleaner
525de9fe7385c2c0c2aaf5681d94801105e949045fcf2dc9d533fd1f8f717e70
GCleaner
59d0a86e29a877fe6ab943b03f01a553274e626eb5f2da49605b98aaa23e6ab4
GCleaner
7b5e66031df9f863fa63fe17b17fa4083fe1fe43fe7861a149a242bb17c39c91
GCleaner
7e8242395311456171392926875d44050d9e82a6bf21851d574b664623ad97d1
GCleaner
819c80050c2c41c85c28f745b153bef2ebe52a8c468182f5e3fe44a816fca109
GCleaner
96c8ed0deb9d3b327280b60e4e3f6057ebfc5e3b8567bdc6460c5c11ca81134b
GCleaner
bf7d9b82ff0c3842fbd1dff7ffa94389d376af2b5d01ce504072f7985b556325
GCleaner
+ 3'088 additional samples on MalwareBazaar
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230503-s2ggsafb72/
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:
c056e1294422c20d6b9c1698bb606946b13a940fe9ed7848ddff68fbab576945
MD5 hash:
2b9f3bc74d3a0cd1ab9cd772a5bad08c
SHA1 hash:
98ee11dd5d2ddece0ae843cc0c7a395921300c58
Detections:
Nymaim
Create hunting rule
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/9481bcc2-f267-4e30-a096-731e819ba573/
SH256 hash:
f228c9c511fde1ef15ef3cd7ae65e1727751e553e8bb4961392a8a3bfee5bbd0
MD5 hash:
916aa56007d204d1ce498c8a0b97e95f
SHA1 hash:
b19051df0e3ffcfc9febc766af3fdafe8cb1ab0f
Link:
https://www.unpac.me/results/9481bcc2-f267-4e30-a096-731e819ba573/
SH256 hash:
44429fd99515fdd91ac61488cc0b953d523252f819f22db4e6a1f78b636b7d40
MD5 hash:
eb56ea8a7c3d0277e3e27d58a258e00a
SHA1 hash:
5cf9b6b01f91a1b66d45162482c1b60b9679d4f1
Link:
https://www.unpac.me/results/9481bcc2-f267-4e30-a096-731e819ba573/
SH256 hash:
7c4af0439fa5ea83916252977f59415c652b7efe851c79a17bda55f1b77a890f
MD5 hash:
a7ec532ea8eeca55685aa13b12d3e434
SHA1 hash:
f660118f029f571558dc0df5172165235ae0f271
Link:
https://www.unpac.me/results/9481bcc2-f267-4e30-a096-731e819ba573/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/7c4af0439fa5ea83916252977f59415c652b7efe851c79a17bda55f1b77a890f

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
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:win_gcleaner_auto
Create hunting rule
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
Cape
Cape
https://www.capesandbox.com/analysis/386279/

Comments