MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 44c31d0310a0e0df334a91ebd28041247296e0e36efc920366585a8c1587d4eb. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 44c31d0310a0e0df334a91ebd28041247296e0e36efc920366585a8c1587d4eb
SHA3-384 hash: 31b4c5119ffb00351ca2e6402e2715924b72505cea84b0b6d8546adb39d000342f19ca90e4e28cdec5db6084cda1e2f2
SHA1 hash: 63ac60849fda606184904c6bc6c9021373ca7085
MD5 hash: 4004b1444ff7e64b5255882b56ca14ca
humanhash: black-don-two-finch
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:1'810'865 bytes
First seen:2023-01-24 05:45:36 UTC
Last seen:2023-01-24 06:14:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'446 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:ZgmmKAJNbVgxs1Xw5DKoKv5075xkW/5Ga+LCgv2MR:WmxINJPmKoKhA3kW/5uv2MR
TLSH T103853301FA27597FC2C1DA31063522975E273A3B01E5729E334D919E3D297D2B18E3BA
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 :
10
# of downloads :
238
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-24 05:50:14 UTC
Tags:
installer
Link:
https://app.any.run/tasks/da762a8f-8cdf-480b-9d74-2fc57119b45e

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/356225/
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
Creating a file in the Windows subdirectories
Launching a tool to kill processes
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/62669/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/63cf709b2b351a3d0ea81ddd/reports/58c07a01-0f78-4e07-849d-73bd94e3852d/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/ab9b0df1-e754-4eea-976a-0cb882ad15ba
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1157634
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
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: 790371 Sample: file.exe Startdate: 24/01/2023 Architecture: WINDOWS Score: 92 48 45.12.253.98 CMCSUS Germany 2->48 50 Snort IDS alert for network traffic 2->50 52 Detected unpacking (changes PE section rights) 2->52 54 Detected unpacking (overwrites its own PE header) 2->54 56 3 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, 49713, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49714, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49715, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\Roaming\...\kcNZNh.exe, PE32 17->30 dropped 21 kcNZNh.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/44c31d0310a0e0df334a91ebd28041247296e0e36efc920366585a8c1587d4eb/
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=itbr2ayqudqn6m2kshv5facberzjnyhdn36jea3glbniyfmh2tvq._file
Verdict:
malicious
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230124-ggayqagg88/
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:
1acab0db9e23eb06794e82de158a3d274f633205be381c541b426623fa30eab8
MD5 hash:
5a8f68db25bd6d7d5104789167870468
SHA1 hash:
bad6a9858641ffa441e4575597277ffb237f267a
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/83b0fdd7-3c22-4edd-8441-1518baa7e486/
SH256 hash:
6aa7bb0b95a181247620e7b3c013369ef49f2813ee4d0b43340f1944f5dc2cf1
MD5 hash:
af6a1c94e6383cfc59509b10a34f4ad1
SHA1 hash:
f15245e5b013354fb259b6def1e05f78c8dc8516
Link:
https://www.unpac.me/results/83b0fdd7-3c22-4edd-8441-1518baa7e486/
SH256 hash:
60b108507a2e339bdebbad7d79426b657bd09f26bb18dc46c3ea80a94c3547a7
MD5 hash:
59a8f90ed84b3ebe7cfffb07a5de5f81
SHA1 hash:
4d7f13626625284290700ef634c42f0b3797e7c4
Link:
https://www.unpac.me/results/83b0fdd7-3c22-4edd-8441-1518baa7e486/
SH256 hash:
44c31d0310a0e0df334a91ebd28041247296e0e36efc920366585a8c1587d4eb
MD5 hash:
4004b1444ff7e64b5255882b56ca14ca
SHA1 hash:
63ac60849fda606184904c6bc6c9021373ca7085
Link:
https://www.unpac.me/results/83b0fdd7-3c22-4edd-8441-1518baa7e486/
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/44c31d0310a0e0df334a91ebd28041247296e0e36efc920366585a8c1587d4eb

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/356225/
  
URLhaus
https://urlhaus.abuse.ch/url/2509470/

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