MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8b628fdc61097d4c5437c64faa8a4ccaf9e36a9503283b08b7f4d07debca21f9. 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: 8b628fdc61097d4c5437c64faa8a4ccaf9e36a9503283b08b7f4d07debca21f9
SHA3-384 hash: ce9d62dc52a9041b5e3a9c53395cc84db1c660aada8a089a918309886f8475c866e38b395e3166c9ba168e5954006a77
SHA1 hash: 59c2009f3392979f9b9c633774cb423dd01e61d4
MD5 hash: 69343809760d02e7bebe4d27d4e73321
humanhash: twenty-four-yellow-blossom
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'507'172 bytes
First seen:2022-10-23 06:45:37 UTC
Last seen:2022-10-23 07:14:23 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:Z2tudTmyJYL0x3RiqwCRgpzrFbmBQCanltSmuVZS/7k2Nk+dnxP34KDVuA5hq:M86ypx3RXuxrFqEltduVy7k+k+v4KDVg
TLSH T1B7C53353C2E3CC32E0C2ADBDAE3DAB54B26471544829E4B4E1F8639F8F779C26815719
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 :
15
# of downloads :
250
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-23 06:47:58 UTC
Tags:
installer
Link:
https://app.any.run/tasks/cb3251bb-8df7-430c-9850-8e0a86edb90f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/322885/
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
Sending a custom TCP request
Moving a file to the %AppData% subdirectory
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 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/44630/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/6354e32cc99b342ba010d5a9/reports/73403867-34af-4cc7-8327-3b802c9b2538/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/35c980c0-4da1-4320-8bfa-38db75157509
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1095792
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: 728433 Sample: file.exe Startdate: 23/10/2022 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-U9DV6.tmp, PE32 10->31 dropped 13 is-U9DV6.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 ersearcher57.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, 49699, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\Roaming\...\IXacfDM.exe, PE32 16->29 dropped 20 IXacfDM.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/8b628fdc61097d4c5437c64faa8a4ccaf9e36a9503283b08b7f4d07debca21f9/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rnri7xdbbf6uyvbxyzh2vcsmzl46g2uvamudwcfx6tih326keh4q._file
Verdict:
malicious
Result
Malware family:
nymaim
Create hunting rule
Score:
  10/10
Tags:
family:nymaim discovery trojan
Link:
https://tria.ge/reports/221023-hjmkzaghe4/
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/e66215ed-5380-4282-a252-0db8db2a3f06
Unpacked files
SH256 hash:
ef7578b1f4f3eec70d472b6170a35508090aff1c98fc7022267ab85f48e0310a
MD5 hash:
195bddcc0405128206bc652889d0bf95
SHA1 hash:
c08e59616c88caeb56f3da3889ca2a0f9fc474cd
Detections:
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/74ab0c57-1aeb-46e2-8cda-6aec05506b78/
SH256 hash:
90c27c72c4ba42e171b1f13ac90dd114b8cf533bc4a90cb23c67721178a8b614
MD5 hash:
4b1edd86971154b30a5d45365afabc9f
SHA1 hash:
f813a60a8a017d720ed5294c7b6f5e08a1461ca4
Link:
https://www.unpac.me/results/74ab0c57-1aeb-46e2-8cda-6aec05506b78/
SH256 hash:
202cf8df66bab7e889bcfbd73d8aad4464d1a7d74abf4af6bd582a30aa7242c0
MD5 hash:
844783e02e063789bafef9555c14d769
SHA1 hash:
4ab58f68b2372f0079d44f7c4692362bb4041f6e
Link:
https://www.unpac.me/results/74ab0c57-1aeb-46e2-8cda-6aec05506b78/
SH256 hash:
8b628fdc61097d4c5437c64faa8a4ccaf9e36a9503283b08b7f4d07debca21f9
MD5 hash:
69343809760d02e7bebe4d27d4e73321
SHA1 hash:
59c2009f3392979f9b9c633774cb423dd01e61d4
Link:
https://www.unpac.me/results/74ab0c57-1aeb-46e2-8cda-6aec05506b78/
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/8b628fdc61097d4c5437c64faa8a4ccaf9e36a9503283b08b7f4d07debca21f9

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/322885/

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