MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 839b3b80b15fb4077c1ea566404a431a03bbd27ef0fd2f25d6c259f373c3b269. 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: 839b3b80b15fb4077c1ea566404a431a03bbd27ef0fd2f25d6c259f373c3b269
SHA3-384 hash: 9f5fd8d40ca0462b68ea70011cae4b402c5b0e27662fa8a6f36df64b934f84a32056bcec630a49b5b2b271a33ba379bf
SHA1 hash: f8cbd61322cdea1191152801cd57f4bf2602c324
MD5 hash: dd0d4943bf3f2a23e625e53c286e9dc1
humanhash: zebra-west-beer-stream
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'176'170 bytes
First seen:2023-01-20 23:41:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'446 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:mUnAfXtcP+jdESlvn8Oon4gAk04sfIKXzhbLI6BD7K8:LeWP+fDzgAk0LfPzhvIaP
TLSH T1D4A5CE702C6EC166F00D62F4FE3160F648BE6D23D01F574BA5113EC7BA7C292659ABA4
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 0e0f932c2d2d9958 (23 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 :
171
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-20 23:45:14 UTC
Tags:
installer
Link:
https://app.any.run/tasks/5c80fca8-b88c-4a15-a4ca-8d897cf70dc1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Nymaim
Create hunting rule
Link:
https://www.capesandbox.com/analysis/355187/
Detection(s):
SecuriteInfo.com.Trojan.Moneyinst.746.21331.248.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
Sending an HTTP GET request
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 tool to kill processes
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/61906/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
greyware overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63cb26cb96add6d1cf47f31a/reports/dd5b664e-b8cf-43c0-b612-6511d5709f4d/overview
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/225bf50d-4906-4109-8fb4-843089bc2e4e
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1155979
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
Multi AV Scanner detection for dropped file
Obfuscated command line found
Snort IDS alert for network traffic
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 788711 Sample: file.exe Startdate: 21/01/2023 Architecture: WINDOWS Score: 92 48 45.12.253.98 CMCSUS Germany 2->48 50 Snort IDS alert for network traffic 2->50 52 Detected unpacking (changes PE section rights) 2->52 54 Detected unpacking (overwrites its own PE header) 2->54 56 3 other signatures 2->56 10 file.exe 2 2->10         started        signatures3 process4 file5 32 C:\Users\user\AppData\Local\Temp\...\file.tmp, PE32 10->32 dropped 60 Obfuscated command line found 10->60 14 file.tmp 22 16 10->14         started        signatures6 process7 file8 34 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 14->34 dropped 36 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 14->36 dropped 38 C:\Users\user\AppData\Local\...\_RegDLL.tmp, PE32 14->38 dropped 40 6 other files (5 malicious) 14->40 dropped 17 finalrecovery.exe 24 14->17         started        process9 dnsIp10 42 45.12.253.56, 49702, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49703, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49704, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\...\cyOJ3kjoqQ.exe, PE32 17->30 dropped 21 cyOJ3kjoqQ.exe 17->21         started        24 cmd.exe 1 17->24         started        file11 process12 signatures13 58 Multi AV Scanner detection for dropped file 21->58 26 taskkill.exe 1 24->26         started        28 conhost.exe 24->28         started        process14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/839b3b80b15fb4077c1ea566404a431a03bbd27ef0fd2f25d6c259f373c3b269/
Threat name:
Win32.Trojan.Injuke
Create hunting rule
Status:
Malicious
First seen:
2023-01-20 23:42:08 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
13 of 26 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qontxafrl62ao7a6uvteassddib3xut66d6s6jowyjm7g46dwjuq._file
Verdict:
malicious
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230120-3pzspsab42/
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:
232d611dff7fc06247ef72758505b03ccb1332d4e145a4f2a1dd51e539f7f044
MD5 hash:
d3b266f52eb0b41a9289bcc17da8b27a
SHA1 hash:
e49bda0b7c228ae3514e4f5fb4828ef86feadff8
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/ca51c359-46f4-4418-9adc-bbcbe5ba2227/
SH256 hash:
7c80321f73d45b3b00dabdb8d0818267fd5bbe8387ed7fc577e72af07628cd86
MD5 hash:
ddb550bd75e0f8eb8c6cc3ff5e580a13
SHA1 hash:
661b3dc56ab9b003394746676aa7d5fbe12ad06a
Link:
https://www.unpac.me/results/ca51c359-46f4-4418-9adc-bbcbe5ba2227/
SH256 hash:
a85836c8a63cb546e5c3dedd865725b62fdabf943e2a696b5d0b1052ae20f6a3
MD5 hash:
dd6211e93847aae38ebae3f4d624e3b1
SHA1 hash:
04a919056efa446116c0f9c8ba7034f22c7ac8aa
Link:
https://www.unpac.me/results/ca51c359-46f4-4418-9adc-bbcbe5ba2227/
SH256 hash:
839b3b80b15fb4077c1ea566404a431a03bbd27ef0fd2f25d6c259f373c3b269
MD5 hash:
dd0d4943bf3f2a23e625e53c286e9dc1
SHA1 hash:
f8cbd61322cdea1191152801cd57f4bf2602c324
Link:
https://www.unpac.me/results/ca51c359-46f4-4418-9adc-bbcbe5ba2227/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.98
Link:
https://yomi.yoroi.company/submissions/839b3b80b15fb4077c1ea566404a431a03bbd27ef0fd2f25d6c259f373c3b269

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/355187/

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