MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6742579ac5cd866ffadb7fae4421e79f857940172b9402a0a5120c2fcdf92a6b. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6742579ac5cd866ffadb7fae4421e79f857940172b9402a0a5120c2fcdf92a6b
SHA3-384 hash: b11ef7412afb307e16069fa9a4164d858857a56e348d677d3ae6288944025ab10e79b878f5b946fa3c6be8d80795c86e
SHA1 hash: b4d73697d3168d47dda1477475ba153a1fa48f56
MD5 hash: 3b6af41182b2c5022da56969f0d20f47
humanhash: arkansas-victor-queen-triple
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:1'294'056 bytes
First seen:2023-07-13 18:26:50 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 24576:OfOym3/1PnbzCmZWuDQLBAfOdl2vSBreuS2w02VnKU:OG9dPnbzCpKwiOFeuZknn
Threatray 3'564 similar samples on MalwareBazaar
TLSH T160552317A62C04F8D0A38AB50E1872528FBE3C577D3C1A59361C4AEEAF6F621DD84357
TrID 80.3% (.EXE) Inno Setup installer (109740/4/30)
10.3% (.EXE) Win32 Executable Delphi generic (14182/79/4)
3.2% (.EXE) Win32 Executable (generic) (4505/5/1)
1.5% (.EXE) Win16/32 Executable Delphi generic (2072/23)
1.4% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 84c160b0d670b044 (28 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 :
1
# of downloads :
294
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-07-13 18:27:17 UTC
Tags:
installer gcleaner loader
Link:
https://app.any.run/tasks/77d658a6-dfc4-445b-b20f-85640d4e2cd2

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/418124/
Detection(s):
SecuriteInfo.com.Trojan.MulDrop22.33867.2513.29267.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
Launching the process to interact with network services
Modifying a system file
Searching for synchronization primitives
Launching a process
Creating a file in the %AppData% subdirectories
Running batch commands
Creating a process with a hidden window
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/97476/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control greyware installer lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/64b041f7057bff26cf237f74/reports/b45b2dfa-5c60-4109-95b2-057c9b37bc2d/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/6742579ac5cd866ffadb7fae4421e79f857940172b9402a0a5120c2fcdf92a6b
Result
Verdict:
MALICIOUS
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/5a778616-5e81-4676-8355-d630735aaee1
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1272683
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
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1272683 Sample: file.exe Startdate: 13/07/2023 Architecture: WINDOWS Score: 100 40 45.12.253.72 CMCSUS Germany 2->40 42 45.12.253.75 CMCSUS Germany 2->42 44 45.12.253.98 CMCSUS Germany 2->44 48 Found malware configuration 2->48 50 Antivirus detection for URL or domain 2->50 52 Multi AV Scanner detection for submitted file 2->52 54 5 other signatures 2->54 9 file.exe 2 2->9         started        signatures3 process4 file5 30 C:\Users\user\AppData\Local\...\is-DNCML.tmp, PE32 9->30 dropped 12 is-DNCML.tmp 11 102 9->12         started        process6 file7 32 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 12->32 dropped 34 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 12->34 dropped 36 C:\...\unins000.exe (copy), PE32 12->36 dropped 38 8 other files (6 malicious) 12->38 dropped 15 RevSpacer713.exe 8 12->15         started        19 net.exe 1 12->19         started        process8 dnsIp9 46 45.12.253.56, 80 CMCSUS Germany 15->46 28 C:\Users\user\AppData\...\e4GWcxO9.exe, PE32 15->28 dropped 21 e4GWcxO9.exe 15->21         started        24 conhost.exe 19->24         started        26 net1.exe 1 19->26         started        file10 process11 signatures12 56 Multi AV Scanner detection for dropped file 21->56
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6742579ac5cd866ffadb7fae4421e79f857940172b9402a0a5120c2fcdf92a6b/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2023-07-13 18:27:06 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=m5bfpgwfzwdg76w3p6xeiipht6cxsqaxfokafiffcigc7tpzfjvq._file
Verdict:
malicious
Similar samples:
474e293e9c25fdccd36c77f62b4b234fc97d8f1122dcbe78494f5482b6675f44
GCleaner
58d57f768804a9c0594a2f9a2db379788d41fbeaca4936a1fe6a0f8986265a77
GCleaner
7475db7ff71a655c148820592471897f2ada47b1ae154e23cb83a666152ca23d
GCleaner
8dfa5976b6d62611242f6a792f460ae72e60ebfb9774ad81066c7ea2a153b61a
GCleaner
93cb045c691341fee5fe4b5aae26233c3bdfb480db20a904ef7f7749db2c6e86
GCleaner
9dc3c210f41de276264b20019ec64beb14955fb59dff048b10fab6a397a26be3
GCleaner
a966075818dd971effd37c47d3de59591064a7bc99f37296e04c6d8a63ce3ea2
GCleaner
c50ed0352f86462194d23cc0b3128c28eca1eaa426049abddd58e697e29831cb
GCleaner
cf34174392d422249a3b1c2a488709b3606143bf51acfa14ca53928051697331
GCleaner
e88259872bb2df0913c156511df3eba707e0a39f520fecd3316654c26cd05334
GCleaner
+ 3'554 additional samples on MalwareBazaar
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230713-w3qzdsah6v/
Behaviour
Kills process with taskkill
Runs net.exe
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:
8a6dff8ced1987b5f5edccf5c4d524ef574d550a1eb238ce5bcacfc03d3d2b06
MD5 hash:
cf52e062d23b8285eeb1c89aac0dbe06
SHA1 hash:
783663243eb6b2f62d7f03733b3e2a9da0406fe6
Detections:
Nymaim
Create hunting rule
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/5b3e99be-a053-4929-be37-82d5aa0a4bbd/
SH256 hash:
b676863bfe6fd74cdd86ee5f7aa036ba4235590a27642876bb5561bf357dce6e
MD5 hash:
e2c1aad2183d79ea0ccc8adeb4051022
SHA1 hash:
6af772841d59d410ab2c61651ad423955cddf272
Link:
https://www.unpac.me/results/5b3e99be-a053-4929-be37-82d5aa0a4bbd/
SH256 hash:
028c23fb804c1019417b006191d275081deb6a6c885488026d9339b312ca068d
MD5 hash:
858794eac5692044996b48e6d29ce395
SHA1 hash:
f9340a5008501435fb9ba272dbe3fae9fc349f18
Link:
https://www.unpac.me/results/5b3e99be-a053-4929-be37-82d5aa0a4bbd/
SH256 hash:
6742579ac5cd866ffadb7fae4421e79f857940172b9402a0a5120c2fcdf92a6b
MD5 hash:
3b6af41182b2c5022da56969f0d20f47
SHA1 hash:
b4d73697d3168d47dda1477475ba153a1fa48f56
Link:
https://www.unpac.me/results/5b3e99be-a053-4929-be37-82d5aa0a4bbd/
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
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
  
URLhaus
https://urlhaus.abuse.ch/url/2509470/
Cape
Cape
https://www.capesandbox.com/analysis/418124/

Comments