MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81eea133fa7fbb5017e70d634d722a4b543911e7fe4380a9c90f5b32e4256d35. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 81eea133fa7fbb5017e70d634d722a4b543911e7fe4380a9c90f5b32e4256d35
SHA3-384 hash: e4332018280641e259fbd09ee0d3ee5c835af0fea6cd7bda4ae25941e0083d7deab5d6d4e2d04bf87f44f07ccbaeb646
SHA1 hash: 9cf3d63f45acf0ac5f72ecf141ef543314c7d452
MD5 hash: 33b65ec4ca73edcae29fa6c4251b575a
humanhash: moon-saturn-avocado-early
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'632'155 bytes
First seen:2022-10-30 22:45:59 UTC
Last seen:2022-10-30 23:14:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'514 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:Z2sO7xFPbh7v1vatglun6q6t81dlQilwL8RX4aYB7GjL4X1SvJZ8bVxtVPA5hq:MZzTRdCtgs6q6t8Xlac6Bg8GJwVxDYDq
TLSH T13EC533962A29CE33C0B088F90CE6E795A0727FBA403E7E6571CEE54D2B77180945D367
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 :
366
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-30 22:48:04 UTC
Tags:
installer
Link:
https://app.any.run/tasks/4e24d886-c236-4c3c-b3f9-1924d850b421

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/326211/
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
Searching for synchronization primitives
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Creating a file in the system32 subdirectories
DNS request
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/46887/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/635efeab9b2225917c1c42c9/reports/fb26a02f-9d01-4e04-a31f-a827db136add/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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/75213c67-0873-421e-b82a-0956c4f3c708
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1101367
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: 734028 Sample: file.exe Startdate: 30/10/2022 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-DGRPP.tmp, PE32 10->31 dropped 13 is-DGRPP.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 ffsearcher64.exe 25 13->16         started        process8 dnsIp9 41 107.182.129.235, 49703, 80 META-ASUS Reserved 16->41 43 171.22.30.106, 49704, 80 CMCSUS Germany 16->43 45 45.139.105.171, 49700, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\...\IXJGStiUdW.exe, PE32 16->29 dropped 20 IXJGStiUdW.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/81eea133fa7fbb5017e70d634d722a4b543911e7fe4380a9c90f5b32e4256d35/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2022-10-30 22:46:10 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qhxkcm72p65vaf7hbvru24rkjnkdseph7zbybkojb5ntfzbfnu2q._file
Verdict:
malicious
Result
Malware family:
nymaim
Create hunting rule
Score:
  10/10
Tags:
family:nymaim discovery trojan
Link:
https://tria.ge/reports/221030-2pypzaedap/
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:
2e65bdd277ecb9282780cf5151c1da12572754fca568866d638b4c9f64d9a3e9
MD5 hash:
52803767e24e73ee41a3c03e336ee05c
SHA1 hash:
599ba20c157ff4456d8e18f7ac9d708f6e8bb1be
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/b1f510a7-c274-4d49-99ae-7c52fed7c2c1/
SH256 hash:
cdfccb2f8d574580b9433b266452be8027b5619116c167a78975acf2235184df
MD5 hash:
ed61b13481aa218352df16bb71d73dbf
SHA1 hash:
ac2dbc65ee8fc691a5b3ba8d5e3b50835a81e066
Link:
https://www.unpac.me/results/b1f510a7-c274-4d49-99ae-7c52fed7c2c1/
SH256 hash:
81eea133fa7fbb5017e70d634d722a4b543911e7fe4380a9c90f5b32e4256d35
MD5 hash:
33b65ec4ca73edcae29fa6c4251b575a
SHA1 hash:
9cf3d63f45acf0ac5f72ecf141ef543314c7d452
Link:
https://www.unpac.me/results/b1f510a7-c274-4d49-99ae-7c52fed7c2c1/
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/81eea133fa7fbb5017e70d634d722a4b543911e7fe4380a9c90f5b32e4256d35

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
  
URLhaus
https://urlhaus.abuse.ch/url/2276314/
Cape
Cape
https://www.capesandbox.com/analysis/326211/

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