MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b064f793a890f24f88c4aa865eebddbe2691db7ac0e91aba889df6b922b55c5b. 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: b064f793a890f24f88c4aa865eebddbe2691db7ac0e91aba889df6b922b55c5b
SHA3-384 hash: 0b84b7c1d54a22d0cd5be9db0689aac0745f8928f82330bc242a27c34603807b51c54fb9a3f845970055bcc21b26f134
SHA1 hash: bf12156c5fe8cf58414fffb301e28be31d8e78e9
MD5 hash: 95225b30e9d3dded4fb7bdcec428dc95
humanhash: double-queen-november-skylark
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'262'665 bytes
First seen:2023-01-29 16:16:25 UTC
Last seen:2023-01-29 16:43:46 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:okug+ppwA+kiJsetlbJogxrDok9joqiyxbwhcsZYwdjjXLCgv2MR:hug+/+R+KbSgNXxQcmDdTv2MR
TLSH T1B5A5330F92D2D47EC8968FB567308141FB7BEDCB143E110276AD62CE1D76AB058639E8
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 :
13
# of downloads :
202
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-29 16:17:55 UTC
Tags:
installer
Link:
https://app.any.run/tasks/838d4f31-495a-4a17-b36c-4d99b11cb2b7

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/357956/
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/63825/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/63d69c002d4f6d560e238eb0/reports/c5be38f1-f585-44c7-aca5-b103f5bf5adf/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/c4eba655-6c94-4997-b83c-55d8a89cbd91
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1161066
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: 793803 Sample: file.exe Startdate: 29/01/2023 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, 49696, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49697, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49698, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\...\McdsaoqE5.exe, PE32 17->30 dropped 21 McdsaoqE5.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/b064f793a890f24f88c4aa865eebddbe2691db7ac0e91aba889df6b922b55c5b/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2023-01-29 16:17:10 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wbsppe5isdze7cgevkdf5265xytjdw32ydurvouitx3lsivvlrnq._file
Verdict:
malicious
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230129-trcxaaeg7t/
Behaviour
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
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:
39d7009f539d924b0b57a3897c45d5634c35dba6cabd4aef266c3ed52fa4c76e
MD5 hash:
c92376f8871add94090774b17f8d8bb2
SHA1 hash:
fb7d018b6846f216c1436a3670432d895afb4ca7
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/2e4fc6fb-6a0d-43ba-8ff3-d2b86b48f2be/
SH256 hash:
277d6cbc332f396b5940879862fd431030d5591a24bf62810f87afff7c934cc8
MD5 hash:
26647864fea783972ad57d30cc696bf7
SHA1 hash:
caf06d46b794ebad099d5c4ff944491c4cf8bf0c
Link:
https://www.unpac.me/results/2e4fc6fb-6a0d-43ba-8ff3-d2b86b48f2be/
SH256 hash:
a97157b01df6f21296ceb03477d28b7270bf64127c2c01075b17e24481d29f31
MD5 hash:
3609c08b4a9d6937192b742d0d872a10
SHA1 hash:
0f9a984ad00449a55ad6a260c9e9fed0cdac099f
Link:
https://www.unpac.me/results/2e4fc6fb-6a0d-43ba-8ff3-d2b86b48f2be/
SH256 hash:
b064f793a890f24f88c4aa865eebddbe2691db7ac0e91aba889df6b922b55c5b
MD5 hash:
95225b30e9d3dded4fb7bdcec428dc95
SHA1 hash:
bf12156c5fe8cf58414fffb301e28be31d8e78e9
Link:
https://www.unpac.me/results/2e4fc6fb-6a0d-43ba-8ff3-d2b86b48f2be/
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/b064f793a890f24f88c4aa865eebddbe2691db7ac0e91aba889df6b922b55c5b

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/357956/
  
URLhaus
https://urlhaus.abuse.ch/url/2509470/

Comments