MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a72088d57a870e282fee99e79c33b39ada77de4526c0af6a534cdee9024c9936. 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: a72088d57a870e282fee99e79c33b39ada77de4526c0af6a534cdee9024c9936
SHA3-384 hash: 5be6ffc6a3e5967de64fa88e82bd7ed9766bf4afbb91a7e3a9937096fdb15deb6fbf169664cfc82c6a1ee10a4c47a34c
SHA1 hash: aa6bc1dfa32cae7401a40f8935d0499bd0f481ae
MD5 hash: 8cb2db20e26cc61655b946d577a67dab
humanhash: alabama-echo-beryllium-sixteen
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'998'390 bytes
First seen:2022-11-03 07:31:11 UTC
Last seen:2022-11-03 07:58:53 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:Z2E1Y0NRT446Bg6tQwcQmzCzASfzhEqEdMMSzB5wxAFdMMu76aWs3L+1A5hq:MMYCT6B7q3RCEQEqEdSoIGPt3LbDq
TLSH T1D3D53312EBE84970D0A09D389EB7C52C8B6FB1091E35A89772BCF1E79F371D890157A4
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 :
12
# of downloads :
145
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
vidar
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-11-03 07:34:04 UTC
Tags:
installer loader evasion trojan stealer vidar opendir
Link:
https://app.any.run/tasks/37c6fe95-72b8-4900-afa0-ce0492cf2349

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/327651/
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 in the Program Files subdirectories
Moving a file to the Program Files subdirectory
Modifying a system file
Searching for synchronization primitives
Sending an HTTP GET request
Creating a file in the %AppData% 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/47812/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/63636e7473a0205b3f778b5a/reports/c5a57f45-50a5-4b16-908d-54a56c9ee7a7/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/eab8246d-b170-45eb-9dae-3c0ff7f2b135
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1104106
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: 736767 Sample: file.exe Startdate: 03/11/2022 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-6TBBT.tmp, PE32 10->31 dropped 13 is-6TBBT.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 fnsearcher68.exe 25 13->16         started        process8 dnsIp9 41 107.182.129.235, 49683, 80 META-ASUS Reserved 16->41 43 171.22.30.106, 49684, 80 CMCSUS Germany 16->43 45 45.139.105.171, 49682, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\...\638KjIv3.exe, PE32 16->29 dropped 20 638KjIv3.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/a72088d57a870e282fee99e79c33b39ada77de4526c0af6a534cdee9024c9936/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2022-11-03 07:32:11 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=u4qirvl2q4hcql7othtzym5ttlnhpxsfe3ak62stjtposasmte3a._file
Verdict:
malicious
Result
Malware family:
nymaim
Create hunting rule
Score:
  10/10
Tags:
family:nymaim discovery trojan
Link:
https://tria.ge/reports/221103-jcy6vsaaem/
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/caea6740-e8f8-4cef-ab20-2b55da07db53
Unpacked files
SH256 hash:
f88ab0c3eb63ae3d09379f21d15c4eeade034e910a22d8a24a3ada2bcf6a9535
MD5 hash:
a9639db4b66975aae6e623c845f8e51c
SHA1 hash:
a74933a9344dfdb78969cfa7df9c51b38687e23a
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/49a7e5b5-3664-42bd-962a-458c6d80216d/
SH256 hash:
86d38c2fb5cd3aad5f0552d1aea2a027fdf14bca52f39275043cc1b56164d6e8
MD5 hash:
bc26e8743cfd717973c06eec83586254
SHA1 hash:
c4d08ab370dd3fae087887cd5342875781555398
Link:
https://www.unpac.me/results/49a7e5b5-3664-42bd-962a-458c6d80216d/
SH256 hash:
a72088d57a870e282fee99e79c33b39ada77de4526c0af6a534cdee9024c9936
MD5 hash:
8cb2db20e26cc61655b946d577a67dab
SHA1 hash:
aa6bc1dfa32cae7401a40f8935d0499bd0f481ae
Link:
https://www.unpac.me/results/49a7e5b5-3664-42bd-962a-458c6d80216d/
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/a72088d57a870e282fee99e79c33b39ada77de4526c0af6a534cdee9024c9936

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/327651/
  
URLhaus
https://urlhaus.abuse.ch/url/2276314/

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