MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f89f07a98db3c2a8e5dfb2439fc95be5c037f381efee6a285be1ef2bc8039efb. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f89f07a98db3c2a8e5dfb2439fc95be5c037f381efee6a285be1ef2bc8039efb
SHA3-384 hash: b7170da1e86358da90425a5f24b552e68d86ccf1d6fc276775da0916807cc3fb4b59cd562dd065b7fc08525414ee852d
SHA1 hash: 2c66f4885121249c51ea95eaf463237a903632b9
MD5 hash: bd6a0b7d74680834f304844f503fb6fe
humanhash: nitrogen-cat-single-spaghetti
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'572'176 bytes
First seen:2022-10-25 02:31:54 UTC
Last seen:2022-10-25 03:13:39 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:Z2IrRsrf4i413nxYVHmkoDg90sx9bzOpSTaGTaX3WXPvhe8m66h9ZFCQSA5hq:MaBxYV59j9GpVG2X0vh/3E9XzJDq
TLSH T1AAC53363EEC5BDB2C08389F69538F9B49172B994247D2E60B82C6B4EC7722C454913FD
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 :
18
# of downloads :
260
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-25 02:33:29 UTC
Tags:
installer
Link:
https://app.any.run/tasks/7c6d956e-072a-45a2-830a-ad99d0682ab0

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/323740/
Detection(s):
SecuriteInfo.com.Trojan-Dropper.Win32.Agent.14403.21121.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
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 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/45225/overview
Behaviour
MalwareBazaar
CheckCmdLine
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/313714ba-788f-4c44-91ac-ca53159ec76e
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1097172
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: 729813 Sample: file.exe Startdate: 25/10/2022 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-5J4SK.tmp, PE32 10->31 dropped 13 is-5J4SK.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 etsearcher58.exe 25 13->16         started        process8 dnsIp9 41 107.182.129.235, 49697, 80 META-ASUS Reserved 16->41 43 171.22.30.106, 49698, 80 CMCSUS Germany 16->43 45 45.139.105.171, 49696, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\...\UXbTvFkvCG.exe, PE32 16->29 dropped 20 UXbTvFkvCG.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/f89f07a98db3c2a8e5dfb2439fc95be5c037f381efee6a285be1ef2bc8039efb/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2022-10-25 03:13:36 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7cpqpkmnwpbkrzo7wjbz7sk34xadp44b57xgukc34hxsxsadt35q._file
Verdict:
malicious
Result
Malware family:
nymaim
Create hunting rule
Score:
  10/10
Tags:
family:nymaim discovery trojan
Link:
https://tria.ge/reports/221025-c1apvabchn/
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:
c0138a67284b109f72aecf886052ac75af8eaeb0c4671543d845ae8e8a8f09dc
MD5 hash:
c80e06eb10f5daec3bbf374cf80b9fde
SHA1 hash:
3269e3d22f820f66e5837e232f2fbb9af71c2614
Detections:
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/2ef7501e-d5fd-4e14-9055-c7502f401594/
SH256 hash:
d4fb3b6ef6b94a1171205ecd1a496088cd0d143ec8093df869d1460e1467912f
MD5 hash:
7a8fdc87b0e7a3608e9297b35aea6c2a
SHA1 hash:
50564f2eeb595b612d1ccef153de1f5e9bbe172a
Link:
https://www.unpac.me/results/2ef7501e-d5fd-4e14-9055-c7502f401594/
SH256 hash:
f89f07a98db3c2a8e5dfb2439fc95be5c037f381efee6a285be1ef2bc8039efb
MD5 hash:
bd6a0b7d74680834f304844f503fb6fe
SHA1 hash:
2c66f4885121249c51ea95eaf463237a903632b9
Link:
https://www.unpac.me/results/2ef7501e-d5fd-4e14-9055-c7502f401594/
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/f89f07a98db3c2a8e5dfb2439fc95be5c037f381efee6a285be1ef2bc8039efb

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/323740/
  
URLhaus
https://urlhaus.abuse.ch/url/2276314/

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