MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c8aef64f800ccc4c6131c6a1cc61b5403dca2cc6d0f594e8541b3a0bb17eacb4. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c8aef64f800ccc4c6131c6a1cc61b5403dca2cc6d0f594e8541b3a0bb17eacb4
SHA3-384 hash: 9d38c333a86d16aa951131620aa8c15a5ed4170c2cad7259a020e2ab75b201d0f04806de1f74ff2c3bb87de6fed79edc
SHA1 hash: ff7c78e90583715125bac5f2cc8f1eae12193724
MD5 hash: 9b2736d3967acfecedbb3e02f78ce489
humanhash: stairway-kansas-fillet-oven
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:1'809'460 bytes
First seen:2023-01-16 21:16:23 UTC
Last seen:2023-01-16 21:43:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'514 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 24576:m3R0zTI4Bg3aY2XYXgV+MSBSBlFLNYPeAZ8wqwhRkSr30RzuFIqpn5xj:mwg3aYlgV+TBSXtvMmA01GTj
TLSH T194853341D2E8283DD1324E7211F3EA567D72BA4295B51127207D0C6F8B2BBE5D62E3B3
TrID 75.1% (.EXE) Inno Setup installer (109740/4/30)
9.7% (.EXE) Win32 Executable Delphi generic (14182/79/4)
4.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.0% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
File icon (PE):PE icon
dhash icon b298acbab2ca7a72 (2'327 x GCleaner, 1'631 x Socks5Systemz, 67 x RedLineStealer)
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 :
259
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-16 21:17:10 UTC
Tags:
installer
Link:
https://app.any.run/tasks/8de5f63a-17b2-4738-ae3e-510d4b1612f0

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/353552/
Detection(s):
Win.Malware.Ekstak-9979943-0
Create hunting rule

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
Launching a tool to kill processes
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/60758/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
No Threat
Threat level:
  2/10
Confidence:
80%
Tags:
greyware overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63c5becf81817f6f4dc43e89/reports/a427ec20-a0d7-47c6-ab2d-56421d03752d/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.
Malware family:
GCleaner
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2cd19a07-43fe-44cc-95fe-f163c93acbd5
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1152642
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: 785374 Sample: file.exe Startdate: 16/01/2023 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 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, 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\Roaming\...\I4YXfB2.exe, PE32 17->30 dropped 21 I4YXfB2.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/c8aef64f800ccc4c6131c6a1cc61b5403dca2cc6d0f594e8541b3a0bb17eacb4/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2023-01-16 21:17:08 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zcxpmt4abtgeyyjry2q4yynvia64ulgg2d2zj2cudm5axml6vs2a._file
Verdict:
malicious
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230116-z413jadf78/
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
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/8b776539-7876-4d42-aac1-a1b5208eec1a
Unpacked files
SH256 hash:
d4ae36419818dc0d9c0f09f454819b2a13b4f7479eaead5dc3618cc6888a1809
MD5 hash:
567aa48a8b4329f6840ca7a901e14898
SHA1 hash:
4f4b122ed0f51659285af18f87ce3a515e91d8ec
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/9034da54-1720-4656-a02c-3e26bf38d0dd/
SH256 hash:
30703854c6c24e5c734ab8829a4e4260f188e22eee83139416d2d4bf2e980a0f
MD5 hash:
ac8ef62ce2086656234168adb88677e1
SHA1 hash:
bd12fd4b02ef93e1fa7166dfbf724661ab849d87
Link:
https://www.unpac.me/results/9034da54-1720-4656-a02c-3e26bf38d0dd/
SH256 hash:
c8aef64f800ccc4c6131c6a1cc61b5403dca2cc6d0f594e8541b3a0bb17eacb4
MD5 hash:
9b2736d3967acfecedbb3e02f78ce489
SHA1 hash:
ff7c78e90583715125bac5f2cc8f1eae12193724
Link:
https://www.unpac.me/results/9034da54-1720-4656-a02c-3e26bf38d0dd/
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/c8aef64f800ccc4c6131c6a1cc61b5403dca2cc6d0f594e8541b3a0bb17eacb4

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/353552/

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