MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2231948817dc555fc0cfcb63a3e9f357c5fca544d28c4fcf9696137d1be56f18. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2231948817dc555fc0cfcb63a3e9f357c5fca544d28c4fcf9696137d1be56f18
SHA3-384 hash: f7a2d23e42ea189079ea09dc0a0472d46f0983daa3facc4e0bfeda777e9f5c1720b813a69f0025b241d6fe6adf06d723
SHA1 hash: 2ddb0432065eeefed8735584e97c654a3a38faf6
MD5 hash: 5756090d33e6337251f6fca963597e48
humanhash: solar-floor-apart-uniform
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'605'861 bytes
First seen:2022-10-28 04:02:00 UTC
Last seen:2022-10-28 04:27:49 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:Z2hQumgi4wY6eHMCLgrnnbHs+NPS62IMzQkVmSOVfDUO1C/e2vKY6VtZaeA5hq:MhhmxY6dCgrnnLs+NPS62IMz9VmjzYeD
TLSH T114C533412BD595F1C621CEBDBCB3CA10CC3BBC506D749898252CAC9E98635D7841F7AB
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 :
10
# of downloads :
277
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Nymaim
Create hunting rule
Link:
https://www.capesandbox.com/analysis/325320/
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 an HTTP GET request
Creating a file in the %AppData% subdirectories
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 process
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/46221/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/635ba61cb8952e91d3d2261e/reports/2c354960-1627-462b-a685-e987e631355a/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:
Unknown
Link:
https://analyze.intezer.com/analyses/f0340862-c9b3-44ef-8a57-4f43744b09bc
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1100052
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: 732713 Sample: file.exe Startdate: 28/10/2022 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-2221M.tmp, PE32 10->31 dropped 13 is-2221M.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 fbsearcher62.exe 21 13->16         started        process8 dnsIp9 41 107.182.129.235, 49696, 80 META-ASUS Reserved 16->41 43 171.22.30.106, 49697, 80 CMCSUS Germany 16->43 45 45.139.105.171, 49695, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\...\h6p4VqxEk5.exe, PE32 16->29 dropped 20 h6p4VqxEk5.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/2231948817dc555fc0cfcb63a3e9f357c5fca544d28c4fcf9696137d1be56f18/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2022-10-28 04:14:29 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
11 of 26 (42.31%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=eiyzjcax3rkv7qgpznr2h2ptk7c7zjke2kge7t4wsyjx2g7fn4ma._file
Verdict:
malicious
Result
Malware family:
nymaim
Create hunting rule
Score:
  10/10
Tags:
family:nymaim discovery trojan
Link:
https://tria.ge/reports/221028-elscfsegfm/
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
Unpacked files
SH256 hash:
d65f7eee8b236ba5cf326f19add1382c8696d6a4a13cdefacf872aafe13ea49b
MD5 hash:
aaea9eed9e6f4b9d3a541a55f1bf67b2
SHA1 hash:
154c1de4dcd8faee8daead03c6565b82c3f3bbea
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/3e171973-11e1-47c1-b92f-3d55e81cb6a1/
SH256 hash:
dfc134e02b331affc24cecde8fd79376ffe4a1dfdb232a62a850c1611d934d2d
MD5 hash:
40bb3fb8a538d56a784480fc5ab790e7
SHA1 hash:
8eb7b4a178208345895271d4f99c79543bf4fa72
Link:
https://www.unpac.me/results/3e171973-11e1-47c1-b92f-3d55e81cb6a1/
SH256 hash:
3e3f3dc917d3605f7eade794aee2e5a7da6749818fd5437e316f95ec5fc0d890
MD5 hash:
732741600e90c2ad7d1279c057785115
SHA1 hash:
6b6f9d70ae5034f5961db31bf6814b1709116118
Link:
https://www.unpac.me/results/3e171973-11e1-47c1-b92f-3d55e81cb6a1/
SH256 hash:
2231948817dc555fc0cfcb63a3e9f357c5fca544d28c4fcf9696137d1be56f18
MD5 hash:
5756090d33e6337251f6fca963597e48
SHA1 hash:
2ddb0432065eeefed8735584e97c654a3a38faf6
Link:
https://www.unpac.me/results/3e171973-11e1-47c1-b92f-3d55e81cb6a1/
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/2231948817dc555fc0cfcb63a3e9f357c5fca544d28c4fcf9696137d1be56f18

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/325320/
  
URLhaus
https://urlhaus.abuse.ch/url/2276314/

Comments