MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 656917ab3ceacecbad8c86802b3a6e82f18143856f29e26cfc7a8567250068d7. 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: 16


Intelligence 16 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 656917ab3ceacecbad8c86802b3a6e82f18143856f29e26cfc7a8567250068d7
SHA3-384 hash: 79100a52b9859613fb2e753b7e04cc256fb17c029d7e37db4490b9b68015283e1ab61e09a5601ad647eaf4234a65ae1e
SHA1 hash: f9ab52f92e4bc36aa730aa229c8edd0335985274
MD5 hash: 932db55caba5ed19b6d79f5f47528120
humanhash: india-ten-low-zebra
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'369'395 bytes
First seen:2022-10-23 02:15:48 UTC
Last seen:2022-10-23 03:14:08 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:Z2g2uJMRSAty2wILBSGZ9GLLquG6m8SSh8N/YIMYT5oDC9A5hq:Mg2uJwSAty2ZC6uGFShGZODq
TLSH T102B5330683D4C9B0C1428D759FBE89A409F27E76A97E116C7C2E4F5F0EB23B9541D28E
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 :
26
# of downloads :
280
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-23 02:17:25 UTC
Tags:
installer
Link:
https://app.any.run/tasks/85be7563-ed90-4b56-96aa-1e7ff74d4734

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/322833/
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
Sending a custom TCP request
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 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/44585/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/6354a3e4898b0652a4b9686e/reports/548320cd-6ac5-4d8f-af4a-cbf1ebc90df8/overview
Result
Verdict:
MALICIOUS
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/29b3f986-06c3-45c4-826f-c9f0c77d08de
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1095722
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 domain / URL
Multi AV Scanner detection for dropped file
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 728363 Sample: file.exe Startdate: 23/10/2022 Architecture: WINDOWS Score: 96 47 45.139.105.1 CMCSUS Italy 2->47 49 85.31.46.167 CLOUDCOMPUTINGDE Germany 2->49 51 Multi AV Scanner detection for domain / URL 2->51 53 Antivirus detection for URL or domain 2->53 55 Detected unpacking (changes PE section rights) 2->55 57 4 other signatures 2->57 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-39V8G.tmp, PE32 10->31 dropped 13 is-39V8G.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 epsearcher56.exe 25 13->16         started        process8 dnsIp9 41 107.182.129.235, 49700, 80 META-ASUS Reserved 16->41 43 171.22.30.106, 49701, 80 CMCSUS Germany 16->43 45 45.139.105.171, 49697, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\...\vLStxD75qD.exe, PE32 16->29 dropped 20 vLStxD75qD.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/656917ab3ceacecbad8c86802b3a6e82f18143856f29e26cfc7a8567250068d7/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2022-10-23 03:12:16 UTC
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mvurpkz45lhmxlmmq2acwotoqlyycq4fn4u6e3h4pkcwojiandlq._file
Verdict:
malicious
Result
Malware family:
nymaim
Create hunting rule
Score:
  10/10
Tags:
family:nymaim discovery trojan
Link:
https://tria.ge/reports/221023-cp5qvafhgr/
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/5cb07f32-f090-47af-b57c-fd662047790b
Unpacked files
SH256 hash:
146dc04e1fd2231c3b66a3bfcd0ca7872aa83ab7f7f847428f036962df368d1b
MD5 hash:
108cdf0401068b5760f5c9d350720672
SHA1 hash:
9c557daf88b09fc59333add10ce4f6744656d5d8
Detections:
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/62050102-6d10-4934-a3b5-36ddd130a955/
SH256 hash:
271708252878346103aeb45f5f2b94dfa86d9603aa33a0a7c7958fa81e4364db
MD5 hash:
b64075fedbaec65bf1b17f9906491535
SHA1 hash:
add3fc25a077487d1847a96064dfbc94b2b70089
Link:
https://www.unpac.me/results/62050102-6d10-4934-a3b5-36ddd130a955/
SH256 hash:
4c96d5ba1d8ba90c495f61a16735295ba42918f1f8f134411d232cddef786f37
MD5 hash:
252685645c6346095d6feb86c7eb9025
SHA1 hash:
78b92deec5777389912e926038cf5a7b77048538
Link:
https://www.unpac.me/results/62050102-6d10-4934-a3b5-36ddd130a955/
SH256 hash:
656917ab3ceacecbad8c86802b3a6e82f18143856f29e26cfc7a8567250068d7
MD5 hash:
932db55caba5ed19b6d79f5f47528120
SHA1 hash:
f9ab52f92e4bc36aa730aa229c8edd0335985274
Link:
https://www.unpac.me/results/62050102-6d10-4934-a3b5-36ddd130a955/
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/656917ab3ceacecbad8c86802b3a6e82f18143856f29e26cfc7a8567250068d7

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/322833/
  
URLhaus
https://urlhaus.abuse.ch/url/2276314/

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