MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a5fbfce88bab3ed7a3dfe3b5e6d38b3ee9b5a38217a4ef6c027a2f1c900739a8. 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: a5fbfce88bab3ed7a3dfe3b5e6d38b3ee9b5a38217a4ef6c027a2f1c900739a8
SHA3-384 hash: aff2c1f50a656c4de934f8b68a3f64def3c9891907d4eccec81dba02ebb2e09ae8a9ce0435855073d43e395b69a76d6e
SHA1 hash: 85b7239804526bf82501aaeebee72b3bca4c1099
MD5 hash: 6bab002a1b89736378500df7cc2d54c0
humanhash: march-oxygen-fourteen-fourteen
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'331'469 bytes
First seen:2023-01-28 22:45:56 UTC
Last seen:2023-01-28 23:13:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'450 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:okug+iETLtdvOT3pMWDVtlXkkXhW5hqhys4k+XNBjZLCgv2MR:hug+i+LXvapJZjk8Oqhys4hdF1v2MR
TLSH T144B5334FF253C1FDC9EB87F72431624077EABD5B617E2092B64D27EE1A6122024E2658
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 71f0e0ccccf0f0f0 (204 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 :
222
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-28 22:47:36 UTC
Tags:
installer
Link:
https://app.any.run/tasks/a8c9e0bd-af46-4a13-a7e5-9ca7e55e416c

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/357833/
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/63719/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/63d5a5ab447edb203a01b7f6/reports/fda4df36-a9ed-4c0b-a859-c21da94cebb3/overview
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/369675af-ca9c-4074-994c-e428712ef0b9
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1160900
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: 793637 Sample: file.exe Startdate: 28/01/2023 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 finalrecovery.exe 24 14->17         started        process9 dnsIp10 42 45.12.253.56, 49699, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49700, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49701, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\...\wZw6gxS6a6.exe, PE32 17->30 dropped 21 wZw6gxS6a6.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/a5fbfce88bab3ed7a3dfe3b5e6d38b3ee9b5a38217a4ef6c027a2f1c900739a8/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2023-01-28 22:46:09 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
8 of 39 (20.51%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ux57z2elvm7npi674o26nu4lh3u3li4cc6so63acpixrzeahhgua._file
Verdict:
malicious
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230128-2pyd7sac5z/
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:
9cedbe97067791b3687c842857a32499057569d29680063af93a5806de7fa302
MD5 hash:
0861943f7f707d67ab38f73ea71ebed6
SHA1 hash:
f586da8fcfb26bfb66de897e9d5fccd10528679b
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/cfe4db68-1c3f-4361-a500-b77fb454e978/
SH256 hash:
de0ee126278ea3f70a8b920a33d54d15faef09706bccb7f7cf5c6f7822eb0d2d
MD5 hash:
ddef93193640a4660602622347854226
SHA1 hash:
dee8937a6114ecae4590856fa24f13537a2f1fa9
Link:
https://www.unpac.me/results/cfe4db68-1c3f-4361-a500-b77fb454e978/
SH256 hash:
f699fe0f25262908726aa12a0c88e3d5a09b0c6415aeeeb7faccbff60cd3f069
MD5 hash:
148b9ea46c05bc852700e46db3e15137
SHA1 hash:
ab18f006edf62c1d8d555b6e92bd2a8448420c0b
Link:
https://www.unpac.me/results/cfe4db68-1c3f-4361-a500-b77fb454e978/
SH256 hash:
133f3ae1e911f271ee7f51987573213edfa87d9015be9d52d8119210069a5a01
MD5 hash:
62dc825b1329605085f2bee208e72a52
SHA1 hash:
49008114198e22bd703f772496d5d3901efc6630
Link:
https://www.unpac.me/results/cfe4db68-1c3f-4361-a500-b77fb454e978/
SH256 hash:
a5fbfce88bab3ed7a3dfe3b5e6d38b3ee9b5a38217a4ef6c027a2f1c900739a8
MD5 hash:
6bab002a1b89736378500df7cc2d54c0
SHA1 hash:
85b7239804526bf82501aaeebee72b3bca4c1099
Link:
https://www.unpac.me/results/cfe4db68-1c3f-4361-a500-b77fb454e978/
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/a5fbfce88bab3ed7a3dfe3b5e6d38b3ee9b5a38217a4ef6c027a2f1c900739a8

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/357833/
  
URLhaus
https://urlhaus.abuse.ch/url/2509470/

Comments