MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91d77908db911b13e192f9569d98592af99013480fd04798fdc16b862d8c0d4d. 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: 91d77908db911b13e192f9569d98592af99013480fd04798fdc16b862d8c0d4d
SHA3-384 hash: dcb25cd2f57b9287f069d9c647db2c6f48098140919149cded35d26c38600803b2220208ded137ccd268b1a07745a406
SHA1 hash: 001e44d5081c6ff83abc15b7409f998f2437193c
MD5 hash: c79114d16a31ee76aed1dc96c5c75484
humanhash: lake-oxygen-delta-december
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:3'147'964 bytes
First seen:2023-02-13 11:02:51 UTC
Last seen:2023-02-13 11:22:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'514 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 98304:JHAlza+B0rFzIkOkNth+N803ctQiwv2MR:dSWkkOknh29cwvjR
TLSH T165E5127C7106C4ADC290BEB88D36E8E76CD76DE3E8E4946270D87F3F95B9285460A107
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 :
7
# of downloads :
198
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-13 11:05:27 UTC
Tags:
installer
Link:
https://app.any.run/tasks/88bf312a-3055-4f3b-8d13-46d1fe6b0e06

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/365004/
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 process
Launching a tool to kill processes
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/69007/overview
Behaviour
MalwareBazaar
CheckCmdLine
Gathering data
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/91d77908db911b13e192f9569d98592af99013480fd04798fdc16b862d8c0d4d
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/2c928780-0de9-41eb-942f-5a30a8ddb3b4
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1173270
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
Multi AV Scanner detection for submitted 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: 806059 Sample: file.exe Startdate: 13/02/2023 Architecture: WINDOWS Score: 100 48 45.12.253.98 CMCSUS Germany 2->48 50 Snort IDS alert for network traffic 2->50 52 Multi AV Scanner detection for submitted file 2->52 54 Detected unpacking (changes PE section rights) 2->54 56 4 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 18 17 10->14         started        signatures6 process7 file8 34 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 14->34 dropped 36 C:\Users\user\AppData\Local\...\_isdecmp.dll, PE32 14->36 dropped 38 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 14->38 dropped 40 7 other files (6 malicious) 14->40 dropped 17 FRec213.exe 24 14->17         started        process9 dnsIp10 42 45.12.253.56, 49713, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49714, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49715, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\Roaming\...\eTU0h.exe, PE32 17->30 dropped 21 eTU0h.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/91d77908db911b13e192f9569d98592af99013480fd04798fdc16b862d8c0d4d/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2023-02-13 11:03:08 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=shlxscg3senrhyms7flj3gczfl4zae2ib7iepgh5yfvymlmmbvgq._file
Verdict:
malicious
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230213-m5ppnscg56/
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:
a96b2d9d4205f7ddd66196afbf6e5f16ec591186c5e645b7e7f156de7f72a7dc
MD5 hash:
e4d3870909df938aeebe55183a868a4a
SHA1 hash:
e8d2a5868283618da109085c6317659eb458a13c
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/fa05241d-31e1-489f-8b45-9ee95311e5f8/
SH256 hash:
2f0744d65a1231229c5c380cb87342d460f92477df0c073f962ca7b8ca46f7d9
MD5 hash:
7bf3060148e48ed93f57fe980aada2c1
SHA1 hash:
e7b505b374a2bc1f5c371f1727c29d27c31ce121
Link:
https://www.unpac.me/results/fa05241d-31e1-489f-8b45-9ee95311e5f8/
SH256 hash:
a0c7696ff1b520a07a3f40db74abd43041330627c9391dd6bbc9ad9bcca12bd2
MD5 hash:
056af0d30f60079f05965c1acee9ebe7
SHA1 hash:
9756bf07489d299d881074126ccba9854ab1cfba
Link:
https://www.unpac.me/results/fa05241d-31e1-489f-8b45-9ee95311e5f8/
SH256 hash:
202cf8df66bab7e889bcfbd73d8aad4464d1a7d74abf4af6bd582a30aa7242c0
MD5 hash:
844783e02e063789bafef9555c14d769
SHA1 hash:
4ab58f68b2372f0079d44f7c4692362bb4041f6e
Link:
https://www.unpac.me/results/fa05241d-31e1-489f-8b45-9ee95311e5f8/
SH256 hash:
91d77908db911b13e192f9569d98592af99013480fd04798fdc16b862d8c0d4d
MD5 hash:
c79114d16a31ee76aed1dc96c5c75484
SHA1 hash:
001e44d5081c6ff83abc15b7409f998f2437193c
Link:
https://www.unpac.me/results/fa05241d-31e1-489f-8b45-9ee95311e5f8/
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/91d77908db911b13e192f9569d98592af99013480fd04798fdc16b862d8c0d4d

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/365004/
  
URLhaus
https://urlhaus.abuse.ch/url/2509470/

Comments