MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4587ca2f8e7c66e1afdb1a4c4e01ad8f64a51926ebf66760984f4f53b781da6f. 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: 4587ca2f8e7c66e1afdb1a4c4e01ad8f64a51926ebf66760984f4f53b781da6f
SHA3-384 hash: 5338c029f3a0326efe521b8384d322c165e3febd285f5429ed297839130ef34389b8d901bf97cf24042ce8f8cd3cf175
SHA1 hash: 23f1102f2ad2564fc201d861f8e9050cf56b5e05
MD5 hash: a2e6506b21a8c39c9e6501c23c90ea53
humanhash: gee-freddie-two-fix
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'537'814 bytes
First seen:2022-10-29 22:01:22 UTC
Last seen:2022-10-29 22:27:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'453 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:Z2jtt22Q040GtarfUbSgS502YKHJ9UxQrXpmxXBj5yhsJyfulRXFeA5hq:MhsCUtarfUvSBJJ9UxgUx0unXF9Dq
TLSH T109C533174DDFE178D0A1AAB08F79CA3138207E960CF5416971CFD1896F7BB62D848329
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 :
9
# of downloads :
377
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-29 22:03:52 UTC
Tags:
installer
Link:
https://app.any.run/tasks/53d82d4a-aadb-47b7-b439-ccca767478b3

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/325982/
Detection(s):
SecuriteInfo.com.Trojan-Dropper.Win32.Agent.14403.21121.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% subdirectories
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 an HTTP GET request
Creating a file in the %AppData% subdirectories
Sending a custom TCP request
Creating a file in the system32 subdirectories
Moving a file to the %AppData% subdirectory
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/46693/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/635da2db58409ff7bc0c431f/reports/e670da5a-62c9-4d0d-a961-8b7931d09a92/overview
Result
Verdict:
MALICIOUS
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/de3dc182-d413-44ba-8be6-ae6f5b40b90e
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1101074
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)
Multi AV Scanner detection for dropped file
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 733735 Sample: file.exe Startdate: 30/10/2022 Architecture: WINDOWS Score: 84 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 2 other signatures 2->57 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-8P708.tmp, PE32 10->31 dropped 13 is-8P708.tmp 16 25 10->13         started        process6 file7 33 C:\Program Files (x86)\...\fdsearcher63.exe, PE32 13->33 dropped 35 C:\Users\user\AppData\Local\...\_shfoldr.dll, PE32 13->35 dropped 37 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 13->37 dropped 39 4 other files (none is malicious) 13->39 dropped 16 fdsearcher63.exe 25 13->16         started        process8 dnsIp9 41 107.182.129.235, 49693, 80 META-ASUS Reserved 16->41 43 171.22.30.106, 49694, 80 CMCSUS Germany 16->43 45 45.139.105.171, 49691, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\Roaming\...\jd7PoBY.exe, PE32 16->29 dropped 20 jd7PoBY.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/4587ca2f8e7c66e1afdb1a4c4e01ad8f64a51926ebf66760984f4f53b781da6f/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2022-10-29 22:02:11 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=iwd4ul4oprtodl63djge4annr5skkgjg5p3goyeyj5hvhn4b3jxq._file
Verdict:
malicious
Result
Malware family:
nymaim
Create hunting rule
Score:
  10/10
Tags:
family:nymaim discovery trojan
Link:
https://tria.ge/reports/221029-1xr2qahaa5/
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
NyMaim
Malware Config
C2 Extraction:
45.139.105.171
85.31.46.167
Unpacked files
SH256 hash:
4fae333448309153ade62c30af720c09fcb66efc4cb24a2849804eadd4a18344
MD5 hash:
b4ad989668121aacdb82fc9b21a1f7ef
SHA1 hash:
1aee96ad2f47c8fd6270e1d3fc3db5de47c32ba2
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/adec5ffa-83b7-459e-8427-42883ccde13f/
SH256 hash:
da5a9a9af247d2ee19c76b94ee21f9f27ea96c922a38170303dd753fe01e5aaa
MD5 hash:
1a2e70a1bf6868e79ecac622e14ebaf7
SHA1 hash:
4929c940f47e5f6b9b91185e096a1e10d9b1763a
Link:
https://www.unpac.me/results/adec5ffa-83b7-459e-8427-42883ccde13f/
SH256 hash:
753083de10b230da03c6e2bc4865bbefb9a9c94d8946699d3a6d903048f0ba94
MD5 hash:
fc245721f161c38115ecec21ef18971b
SHA1 hash:
0d7652a91c74b7861948293dfd80f1d7831a73fb
Link:
https://www.unpac.me/results/adec5ffa-83b7-459e-8427-42883ccde13f/
SH256 hash:
4587ca2f8e7c66e1afdb1a4c4e01ad8f64a51926ebf66760984f4f53b781da6f
MD5 hash:
a2e6506b21a8c39c9e6501c23c90ea53
SHA1 hash:
23f1102f2ad2564fc201d861f8e9050cf56b5e05
Link:
https://www.unpac.me/results/adec5ffa-83b7-459e-8427-42883ccde13f/
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/4587ca2f8e7c66e1afdb1a4c4e01ad8f64a51926ebf66760984f4f53b781da6f

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:CAS_Malware_Hunting
Create hunting rule
Author:Michael Reinprecht
Description:DEMO CAS YARA Rules for sample2.exe
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/325982/
  
URLhaus
https://urlhaus.abuse.ch/url/2276314/

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