MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1a636f71f321098d2ceac294beadba63d6f44644967b9c490853690dd1e95646. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1a636f71f321098d2ceac294beadba63d6f44644967b9c490853690dd1e95646
SHA3-384 hash: 63d9d4105d9b4d522a7234a0409017240393b2e884a2cc72595a6ea579b46bd8119780df1691098d0b0f9758bc9db7a7
SHA1 hash: 37770428994ac16598910aed234c23bdb9c47f27
MD5 hash: e9cc3b011511e8ef114d86457e5e993e
humanhash: delaware-harry-blue-blossom
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'878'827 bytes
First seen:2023-02-17 09:02:18 UTC
Last seen:2023-02-17 09:41:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'514 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:vN5WNMGEoW/qOtM9pJj2DDrxSSk4NMRCOCaNbI2ghnKkCLawDLCgv2MR:V5KM1SOtMG3aN827kCLJHv2MR
Threatray 7'280 similar samples on MalwareBazaar
TLSH T120D523C69922C5F7E3FCDFF2742D88E139A2BD6BD5D44507B194BA1632B225CA42E201
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 f8f0f8f8f8f8f800 (13 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 :
14
# of downloads :
225
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-17 09:03:37 UTC
Tags:
installer
Link:
https://app.any.run/tasks/8a8ad04a-0c9f-46a1-b5ff-8a3b805c85b4

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/367578/
Detection(s):
SecuriteInfo.com.Trojan.Moneyinst.746.21331.248.UNOFFICIAL
Create hunting rule

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
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
Link:
https://dragonfly.certego.net/analysis/71194/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware installer overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63ef42c6c7a082600e466261/reports/b00d0afb-adfa-47e7-a3df-d83e44f61e48/overview
Verdict:
Malicious
Labled as:
Win/grayware_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/1a636f71f321098d2ceac294beadba63d6f44644967b9c490853690dd1e95646
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/48bba2da-ecb0-4ac5-bc70-5621de56364b
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1177789
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)
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: 810612 Sample: file.exe Startdate: 17/02/2023 Architecture: WINDOWS Score: 100 48 45.12.253.98 CMCSUS Germany 2->48 50 Snort IDS alert for network traffic 2->50 52 Antivirus detection for URL or domain 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 17 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 FRec217.exe 20 14->17         started        process9 dnsIp10 42 45.12.253.56, 49695, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49696, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49697, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\Roaming\...\AeUsmZ.exe, PE32 17->30 dropped 21 AeUsmZ.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/1a636f71f321098d2ceac294beadba63d6f44644967b9c490853690dd1e95646/
Threat name:
Win32.Downloader.GCleaner
Create hunting rule
Status:
Malicious
First seen:
2023-02-17 09:03:08 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
15 of 25 (60.00%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=djrw64pteeey2lhkykkl5ln2mplpirsesz5zysiiknuq3upjkzda._file
Verdict:
malicious
Similar samples:
11d06585ee841eeb25af2fbc9bea225d2adcd6f683d346762ccc68da61be8d2c
GCleaner
303f48ee385460aed18613b31b729d7adf437313e9190bcf5e1aca126bc88368
GCleaner
4589960a9a31c7dbdb6687e3d336cfa69660969b40e00d5dfb9f578ee6d2b26f
GCleaner
9a9f09cbbbc6a96da3027b94c5dafee100865045c619465193a835c9a562e504
GCleaner
a20ab4ef8402d5cb92e5e5991cf6f5778a8ccd2cbab02b57a2adf33e46a1715a
GCleaner
aee7699b3ec508b621d68c6e7f235007756d688e40ab6fd360d84b9b592acdc7
GCleaner
d32ac5d2e850f72fc00483a0a8576bb59adee025670ee1aa499344c708ce184f
GCleaner
db3652a96f8dfc7af1582ed6e3ec5796f9b339f858bcccc654f2a72dfd081deb
GCleaner
e09a18963c0d27d11e0587c5ec0c55563b77f83042ced18825b00457ec9af0bd
GCleaner
f25b7ae42eb3b9cf9b3c7ff8c2bfbdc982d7607a51b6d4ac73d854614ae4c83b
GCleaner
+ 7'270 additional samples on MalwareBazaar
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230217-kz1hwaeb6s/
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:
3fb631fa531f1393af9469aabcb808eab87eb3c3fac3f901854b75fe4e806d0e
MD5 hash:
f0fdfaad6edf6b629ffd261429dcd756
SHA1 hash:
e364e2f87e231c6eb6a733d69f1b9033370f3107
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/fc14cf50-1d36-4cb1-8064-c45355a569c4/
SH256 hash:
31560f5d8f73a1928473db3fca1059066a14d995e47fd29fa9d334ced90314b7
MD5 hash:
a60c4f67d9d5ac5d74ce6c90e46f4c07
SHA1 hash:
3973d6d92b64a68852c2c9a77784685fedf8f55a
Link:
https://www.unpac.me/results/fc14cf50-1d36-4cb1-8064-c45355a569c4/
SH256 hash:
af632eb4aa2e9244d9d8e7713e9fd70f3c268d6a5b5c101fbada498b1cd9202b
MD5 hash:
2b8e932f9496523964283f2f720ab45e
SHA1 hash:
0f4efffb650f67d28cc54b363d7d45a8b931d1d5
Link:
https://www.unpac.me/results/fc14cf50-1d36-4cb1-8064-c45355a569c4/
SH256 hash:
1a636f71f321098d2ceac294beadba63d6f44644967b9c490853690dd1e95646
MD5 hash:
e9cc3b011511e8ef114d86457e5e993e
SHA1 hash:
37770428994ac16598910aed234c23bdb9c47f27
Link:
https://www.unpac.me/results/fc14cf50-1d36-4cb1-8064-c45355a569c4/
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/1a636f71f321098d2ceac294beadba63d6f44644967b9c490853690dd1e95646

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/367578/
  
URLhaus
https://urlhaus.abuse.ch/url/2509470/

Comments