MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a51f1145f6f75bf93d71e80c0655ee1e187aa46c2575b73244e738f1165948e7. 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: a51f1145f6f75bf93d71e80c0655ee1e187aa46c2575b73244e738f1165948e7
SHA3-384 hash: 15967f36b9d91b5fa9e6cf2734aa59635e43de9c135be706a30873cf83ca29c33bc8511e0222347b6b3f2da8aefe3333
SHA1 hash: 6c4e917e7ae187cf6975af7381a32b89c9b63a65
MD5 hash: 9aa15738255230689d536b8c37bcfe9b
humanhash: fourteen-asparagus-magazine-mike
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'436'257 bytes
First seen:2023-02-11 08:01:27 UTC
Last seen:2023-02-11 08:27:21 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:rdHsahtMjiR8hA/GcNO82blkOUjq7ulzul56Po1aM+e4C14tBt/vYPCJOLCgv2MR:JHPjMjS8hCvO8Mlka7bluowM+e3GhJut
TLSH T1FBB5027C7115C4ADD290BEB48C3A98E75CDA2DE3E9E4A06370DC7F3F42792895A19207
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 :
189
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-11 08:04:10 UTC
Tags:
installer
Link:
https://app.any.run/tasks/fb58897f-9977-4631-b6d8-2044b5f525cc

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/363797/
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/67992/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/63e74b7cd68ac683b34bdc6c/reports/80bfb4f3-d8a1-47c0-b64d-28c47ba9386b/overview
Verdict:
Malicious
Labled as:
Downloader/BeamWinHTTP
Link:
https://www.hybrid-analysis.com/sample/a51f1145f6f75bf93d71e80c0655ee1e187aa46c2575b73244e738f1165948e7
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:
Unknown
Link:
https://analyze.intezer.com/analyses/14b210ea-c7c9-438a-a1b2-9b50468ff032
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1171835
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
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: 804625 Sample: file.exe Startdate: 11/02/2023 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 Multi AV Scanner detection for submitted file 2->54 56 5 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 FRec211.exe 24 14->17         started        process9 dnsIp10 42 45.12.253.56, 49712, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49713, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49714, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\...\6uvVvmwZMbGQ.exe, PE32 17->30 dropped 21 6uvVvmwZMbGQ.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/a51f1145f6f75bf93d71e80c0655ee1e187aa46c2575b73244e738f1165948e7/
Threat name:
Win32.Downloader.GCleaner
Create hunting rule
Status:
Malicious
First seen:
2023-02-11 08:02:08 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
15 of 26 (57.69%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uuprcrpw65n7splr5agamvpodymhvjdmev23omse444pcfszjdtq._file
Verdict:
malicious
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230211-jw468ahb81/
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
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:
f5b96dd7a72a26a443f8fabe955931c0a0047dc8cb740a1dddd5bcbaa8be7b04
MD5 hash:
4ae1fa7f78ae78223dc6433559572321
SHA1 hash:
146efff1d7cf56fa80b77bd9cb53a984861a02b2
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/8e4366dc-9a90-47a2-8a58-27d90e4d33ca/
SH256 hash:
828b7a84a2ebfacb0c0cd021c6876b9beb9f9b72bdf85531479a14ceb26a4d16
MD5 hash:
56c0e559d329740a4259cfc960e16ca9
SHA1 hash:
be90258cf8bf1237c2d7882f4305ad35bb563f38
Link:
https://www.unpac.me/results/8e4366dc-9a90-47a2-8a58-27d90e4d33ca/
SH256 hash:
d4f52b7d966c476dee40c677a9d9f224e55c592ee287660cd292e91eccd11848
MD5 hash:
9824254bb5cd741b93eec8e623580685
SHA1 hash:
0de975cd3955849f4c668eed5bb5f8b45f940d36
Link:
https://www.unpac.me/results/8e4366dc-9a90-47a2-8a58-27d90e4d33ca/
SH256 hash:
d047dd4e0afd03fdf48fbbaa6b8cc815af744499fc6089e7c649079a140cdc4c
MD5 hash:
281d083695771a62ae24912b73d57fac
SHA1 hash:
0b716c53c6f15083f3ff70a5457bc4ebe8955e2f
Link:
https://www.unpac.me/results/8e4366dc-9a90-47a2-8a58-27d90e4d33ca/
SH256 hash:
a51f1145f6f75bf93d71e80c0655ee1e187aa46c2575b73244e738f1165948e7
MD5 hash:
9aa15738255230689d536b8c37bcfe9b
SHA1 hash:
6c4e917e7ae187cf6975af7381a32b89c9b63a65
Link:
https://www.unpac.me/results/8e4366dc-9a90-47a2-8a58-27d90e4d33ca/
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/a51f1145f6f75bf93d71e80c0655ee1e187aa46c2575b73244e738f1165948e7

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/363797/

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