MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f5927c4272d2db3a90e646c1f2242b50cc7a6b779e552679e23fa57c63528486. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f5927c4272d2db3a90e646c1f2242b50cc7a6b779e552679e23fa57c63528486
SHA3-384 hash: 535636889f5c4fae5993e229717eb5f93b2b5398093b8f3bec6b440860f4e022697fbdc15eaf3d46f97038e4ee01e9e8
SHA1 hash: de3f3726fb2de5a176eefb478375c815cbd2dfb3
MD5 hash: 81c1da7b6168e1ffc2d6e58366d87969
humanhash: blue-helium-emma-earth
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'437'214 bytes
First seen:2022-10-26 15:30:22 UTC
Last seen:2022-10-26 15:58:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'494 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:Z2G6q8mGf34mCAFeWi+y4gLoN+FXSLKxEqsRXgaRMj9a8ZqHjzA5hq:MGQ2zbWa4gLo0FXSLKKqs1gaRCa4ijUW
TLSH T14EB53397DB42AD77C83154B49E7B0AA0D2972D092C3A1A39F7DCD8DD8F1B280E09B315
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 :
257
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-26 15:31:36 UTC
Tags:
installer
Link:
https://app.any.run/tasks/e8bea26b-9fa6-4343-9c61-15294694ea5a

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/324453/
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
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/45687/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/ac755b07-5c45-4d7d-a7c6-a0a2ed90fe56
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1098550
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: 731207 Sample: file.exe Startdate: 26/10/2022 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-1BE8Q.tmp, PE32 10->31 dropped 13 is-1BE8Q.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 exsearcher60.exe 25 13->16         started        process8 dnsIp9 41 107.182.129.235, 49698, 80 META-ASUS Reserved 16->41 43 171.22.30.106, 49699, 80 CMCSUS Germany 16->43 45 45.139.105.171, 49697, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\...\VHIs86b4qXf.exe, PE32 16->29 dropped 20 VHIs86b4qXf.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/f5927c4272d2db3a90e646c1f2242b50cc7a6b779e552679e23fa57c63528486/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2022-10-26 16:03:23 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=6wjhyqts2lntvehgi3a7ejblkdghu23xtzksm6pch6sxyy2sqsda._file
Verdict:
malicious
Result
Malware family:
nymaim
Create hunting rule
Score:
  10/10
Tags:
family:nymaim discovery trojan
Link:
https://tria.ge/reports/221026-sx2l6agbfn/
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:
173803ac7d601864100bbeef7478a7a5e1f06ad30738ef24c21e144796fcea0d
MD5 hash:
bc90a7c0fea7bc5a8b53a0dc7804b1a5
SHA1 hash:
a584ed5c4e700f208e86e8deebe38aabe448d6e7
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/d800a6f8-1168-4d17-821d-b18105afad83/
SH256 hash:
5039e476482f3c343f85edfbaf7eca560ea913dc60059978399e95ecce266220
MD5 hash:
af41ead81ef5093fd4889e535f1e666f
SHA1 hash:
9b09c7bb1827b45812a0de8d332baca1cd94aeee
Link:
https://www.unpac.me/results/d800a6f8-1168-4d17-821d-b18105afad83/
SH256 hash:
f5927c4272d2db3a90e646c1f2242b50cc7a6b779e552679e23fa57c63528486
MD5 hash:
81c1da7b6168e1ffc2d6e58366d87969
SHA1 hash:
de3f3726fb2de5a176eefb478375c815cbd2dfb3
Link:
https://www.unpac.me/results/d800a6f8-1168-4d17-821d-b18105afad83/
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/f5927c4272d2db3a90e646c1f2242b50cc7a6b779e552679e23fa57c63528486

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/324453/
  
URLhaus
https://urlhaus.abuse.ch/url/2276314/

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