MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d43881c2418078427dad395aef96da519124c3f25aea1a3ba7a7e735e5693566. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d43881c2418078427dad395aef96da519124c3f25aea1a3ba7a7e735e5693566
SHA3-384 hash: 4d6a685070bee34d9bd113fc9e32375c7ab8d8772f0a5a01f62038b10f4b381099ede1477f3044e60250e0ecdee21be7
SHA1 hash: 8dde69da1e2538d1f9368f2401d77b5cc704bfd6
MD5 hash: 7548a4a8fe4dff573645feec195a4ff6
humanhash: glucose-failed-beryllium-august
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'547'165 bytes
First seen:2022-10-23 04:30:19 UTC
Last seen:2022-10-23 04:59:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'458 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:Z2CSVbMEqRQwW3G9tF1pNH8MWX2VNsdwK2+r7KKH4f94u6L4p+f5NA2F4T11IygF:MshR5SMWe+wK3GX14lL4A6/Tz4knDq
TLSH T17BC53367C7E4CDF6C085D6B00EE38D9D81753C6E05792E6AB0AD1AAE1F63A60C411BC7
TrID 50.3% (.EXE) Win32 Executable PowerBASIC/Win 9.x (148303/79/28)
37.2% (.EXE) Inno Setup installer (109740/4/30)
4.8% (.EXE) Win32 Executable Delphi generic (14182/79/4)
2.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.5% (.EXE) Win32 Executable (generic) (4505/5/1)
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://95.214.24.96/load.php?pub=mixinte

Intelligence

File Origin
# of uploads :
16
# of downloads :
248
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-23 04:31:27 UTC
Tags:
installer
Link:
https://app.any.run/tasks/f9a7f1f4-0a88-47d9-ba01-9c22cb9b1c99

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/322859/
Detection(s):
SecuriteInfo.com.Trojan-Dropper.Win32.Agent.14403.21121.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
Moving a recently created file
Modifying a system file
Sending a custom TCP request
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Moving a file to the %AppData% subdirectory
Creating a file in the system32 subdirectories
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
Sending an HTTP GET request to an infection source
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/44606/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
greyware overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/6354c387a67b0a5ed57a9c58/reports/4ecf5337-3f16-4606-be58-41c32ad6694c/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/b1ebea81-092c-4460-914a-986f61f01dd3
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1095755
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
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 728394 Sample: file.exe Startdate: 23/10/2022 Architecture: WINDOWS Score: 88 47 45.139.105.1 CMCSUS Italy 2->47 49 85.31.46.167 CLOUDCOMPUTINGDE Germany 2->49 51 Antivirus detection for URL or domain 2->51 53 Detected unpacking (changes PE section rights) 2->53 55 Detected unpacking (overwrites its own PE header) 2->55 57 3 other signatures 2->57 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-3ICET.tmp, PE32 10->31 dropped 13 is-3ICET.tmp 16 25 10->13         started        process6 file7 33 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 13->33 dropped 35 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 13->35 dropped 37 C:\...\unins000.exe (copy), PE32 13->37 dropped 39 4 other files (2 malicious) 13->39 dropped 16 ersearcher57.exe 21 13->16         started        process8 dnsIp9 41 107.182.129.235, 49698, 80 META-ASUS Reserved 16->41 43 171.22.30.106, 49699, 80 CMCSUS Germany 16->43 45 45.139.105.171, 49697, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\Roaming\...\vb3pU3.exe, PE32 16->29 dropped 20 vb3pU3.exe 16->20         started        23 cmd.exe 1 16->23         started        file10 process11 signatures12 59 Multi AV Scanner detection for dropped file 20->59 25 taskkill.exe 1 23->25         started        27 conhost.exe 23->27         started        process13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d43881c2418078427dad395aef96da519124c3f25aea1a3ba7a7e735e5693566/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2q4idqsbqb4ee7nnhfno7fw2kgisjq7sllvbuo5hu7ttlzljgvta._file
Verdict:
malicious
Result
Malware family:
nymaim
Create hunting rule
Score:
  10/10
Tags:
family:nymaim discovery trojan
Link:
https://tria.ge/reports/221023-e5dcmsgdc2/
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
NyMaim
Malware Config
C2 Extraction:
45.139.105.171
85.31.46.167
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/b87ba4ab-3d3c-4bf0-94cf-181bc5f08e98
Unpacked files
SH256 hash:
fa3d205db6e0fd1a365a15b0956b1ae111906e664c6f366ef6b6dbd9e1b7551e
MD5 hash:
084762f0afc50405dbb8fe743e3b9044
SHA1 hash:
6506a754a2e2b7c26b0fae81f5188469de3a834a
Detections:
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/5f821bdb-b460-4dcf-8e99-e7cef7ca44e8/
SH256 hash:
8c49c3b452f80576956ef941a0b5414f7d4bd200d743189810f8af0466e3ae4e
MD5 hash:
316bccd9902732e579a8c429943fb06b
SHA1 hash:
d123e9531d240242a08c726ae023ff874df32203
Link:
https://www.unpac.me/results/5f821bdb-b460-4dcf-8e99-e7cef7ca44e8/
SH256 hash:
d43881c2418078427dad395aef96da519124c3f25aea1a3ba7a7e735e5693566
MD5 hash:
7548a4a8fe4dff573645feec195a4ff6
SHA1 hash:
8dde69da1e2538d1f9368f2401d77b5cc704bfd6
Link:
https://www.unpac.me/results/5f821bdb-b460-4dcf-8e99-e7cef7ca44e8/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.68
Link:
https://yomi.yoroi.company/submissions/d43881c2418078427dad395aef96da519124c3f25aea1a3ba7a7e735e5693566

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: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/322859/
  
URLhaus
https://urlhaus.abuse.ch/url/2276314/

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