MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31d269e68e0bad9915034ca503c781655549749b0fbe76c4c1a7d28f28ecd421. 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: 31d269e68e0bad9915034ca503c781655549749b0fbe76c4c1a7d28f28ecd421
SHA3-384 hash: 8d36146f37777128e87b6806cda557c5d0fea807841fd81e0cc4ea2358396f567278f86b19b69b4d92b4445fa75fd335
SHA1 hash: cde3cc73879cd6dc20dad8b55cf63f7609edbe65
MD5 hash: ed3715c465dc451b63a46519fff51c91
humanhash: texas-three-virginia-artist
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:3'016'582 bytes
First seen:2022-11-05 03:49:18 UTC
Last seen:2022-11-05 04:10:10 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:Z2S91bgUJgifhFitoHpXb3S0wIDMirqZWOOjHGLk/GE0erajFYSzPUzcIN5vcKP9:MSEkS2MRIFO7OTR/GtkyFYSzPU1NyRDq
TLSH T13CD53312A35B67B7C4639DF5ECAD902A09B63A30FEB7786078CDA91B1B335064841377
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 :
8
# of downloads :
176
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-11-05 03:52:07 UTC
Tags:
installer
Link:
https://app.any.run/tasks/7f49056b-865f-4600-a4c4-828c470509f9

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/328930/
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 in the Program Files subdirectories
Moving a file to the Program Files subdirectory
Sending a custom TCP request
Modifying a system file
Searching for synchronization primitives
Creating a file in the %AppData% subdirectories
Running batch commands
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
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/48790/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/6365dd6cec1c71bdbe760028/reports/a7182154-62d4-4009-839e-c01c801971de/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/d4b33221-1fe5-4760-ad0f-c0c19a873b00
Result
Threat name:
Unknown
Detection:
suspicious
Classification:
n/a
Score:
29 / 100
Link:
https://www.joesandbox.com/analysis/1105967
Signature
Machine Learning detection for dropped file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 738631 Sample: file.exe Startdate: 05/11/2022 Architecture: WINDOWS Score: 29 25 Machine Learning detection for dropped file 2->25 7 file.exe 2 2->7         started        process3 file4 15 C:\Users\user\AppData\Local\...\is-ISDGA.tmp, PE32 7->15 dropped 10 is-ISDGA.tmp 16 25 7->10         started        process5 file6 17 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 10->17 dropped 19 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 10->19 dropped 21 C:\...\unins000.exe (copy), PE32 10->21 dropped 23 4 other files (2 malicious) 10->23 dropped 13 frsearcher70.exe 10->13         started        process7
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/31d269e68e0bad9915034ca503c781655549749b0fbe76c4c1a7d28f28ecd421/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2022-11-05 03:50:11 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
10 of 26 (38.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ghjgtzuobowzsfidjssqhr4bmvkus5e3b67hnrgbu7ji6khm2qqq._file
Verdict:
malicious
Result
Malware family:
nymaim
Create hunting rule
Score:
  10/10
Tags:
family:nymaim discovery trojan
Link:
https://tria.ge/reports/221105-edxxzafeam/
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/3f8296e0-2354-4c6a-9f85-2aaa620a0608
Unpacked files
SH256 hash:
9db938332b263837a7d0ef55ce913e1a1e8647561ea8c985d844697d09a71e9d
MD5 hash:
133670cfd227f8d68d1f72f007efb421
SHA1 hash:
2751a736ca714888018f93c4b9f1322c99dd6310
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/f1a497a5-90b6-4c09-9ac3-302d57d25fac/
SH256 hash:
b68798b6ba98302b644ea055079871fc51cd314ad07b9445493befd1956dc082
MD5 hash:
e2201319b0b44269bfaa3e5f3b958d47
SHA1 hash:
53618768a040a6b9614486ccddbf4cde3c00590c
Link:
https://www.unpac.me/results/f1a497a5-90b6-4c09-9ac3-302d57d25fac/
SH256 hash:
31d269e68e0bad9915034ca503c781655549749b0fbe76c4c1a7d28f28ecd421
MD5 hash:
ed3715c465dc451b63a46519fff51c91
SHA1 hash:
cde3cc73879cd6dc20dad8b55cf63f7609edbe65
Link:
https://www.unpac.me/results/f1a497a5-90b6-4c09-9ac3-302d57d25fac/
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/31d269e68e0bad9915034ca503c781655549749b0fbe76c4c1a7d28f28ecd421

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/328930/
  
URLhaus
https://urlhaus.abuse.ch/url/2276314/

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