MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91d334434a01f962375f915620036f8fcfba193327716d1b377afe03b250a3fa. 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: 91d334434a01f962375f915620036f8fcfba193327716d1b377afe03b250a3fa
SHA3-384 hash: d44933491cc9a6762a5a666f3a2ec08f001279dfb17ab8585357e82a04fc19d183a8707882d0dff9d685d8e317e01638
SHA1 hash: 9c0c51bf25781ca48ab4c3cc1a37e8106f36c5a3
MD5 hash: d08f2e9d9e1605340b301249983fdbca
humanhash: uncle-juliet-magazine-asparagus
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'522'659 bytes
First seen:2022-10-22 01:32:06 UTC
Last seen:2022-10-22 01:57:31 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:Z2lEvAN3ev2FZZJHMboeAYjXEk5uPxSCvwJ+DCvraVtG6XS6dW6DvA5hq:MevA95j2b9jXEiuPgUwgGvupS6dvD4Dq
TLSH T175C533918FD3D43BC232FC7D3E3DA78484625745C6A8AE25B0DECD4A9B630D1887AB54
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 :
301
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ficker
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-22 01:35:04 UTC
Tags:
installer loader evasion trojan ficker stealer vidar opendir
Link:
https://app.any.run/tasks/e37d7da2-5d93-4e53-8c62-28d5a84627df

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/322454/
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
Creating a file in the system32 subdirectories
Sending an HTTP GET request
Creating a file in the %AppData% 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 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/44258/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/6353484f898b0652a4b94c08/reports/2bac09d5-ddf8-4ce8-be25-b5a5dffe1774/overview
Result
Verdict:
SUSPICIOUS
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/5d23d4c6-9aa4-4a5d-945b-53558e0db0a4
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1095235
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: 727876 Sample: file.exe Startdate: 22/10/2022 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-EBFMD.tmp, PE32 10->31 dropped 13 is-EBFMD.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 ensearcher55.exe 25 13->16         started        process8 dnsIp9 41 107.182.129.235, 49719, 80 META-ASUS Reserved 16->41 43 171.22.30.106, 49720, 80 CMCSUS Germany 16->43 45 45.139.105.171, 49716, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\...\YGsqOcED.exe, PE32 16->29 dropped 20 YGsqOcED.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/91d334434a01f962375f915620036f8fcfba193327716d1b377afe03b250a3fa/
Threat name:
Win32.Trojan.Injuke
Create hunting rule
Status:
Malicious
First seen:
2022-10-22 02:11:19 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=shjtiq2kah4wen27sflcaa3pr7h3ugjte5yw2gzxpl7ahmsqup5a._file
Verdict:
malicious
Result
Malware family:
nymaim
Create hunting rule
Score:
  10/10
Tags:
family:nymaim discovery trojan
Link:
https://tria.ge/reports/221022-byh3rshhg4/
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/5cc5afad-3e09-4a34-bd6c-ff2c26f58bb9
Unpacked files
SH256 hash:
4062ee06482c3e022a6b24ed1e35bffae8c301c1c4dbd112bc4c1d76e77e47e2
MD5 hash:
a63a377f66d60707ead646fbc166dd19
SHA1 hash:
60d62c54f033fbb07239289a9a6374ba2686a32b
Detections:
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/d8b3fe2d-5be0-4219-adf9-352ed1f93774/
SH256 hash:
5d8303d3f0ed9e4c2fc7a3f30d14c69c862ee5ff38d62bfddbe1e241040a9b40
MD5 hash:
084dab3cb4d23cca598b1cd04005ce5f
SHA1 hash:
cf6ae19cd4bb626aebf8ab5697dea2f51ff50d3b
Link:
https://www.unpac.me/results/d8b3fe2d-5be0-4219-adf9-352ed1f93774/
SH256 hash:
91d334434a01f962375f915620036f8fcfba193327716d1b377afe03b250a3fa
MD5 hash:
d08f2e9d9e1605340b301249983fdbca
SHA1 hash:
9c0c51bf25781ca48ab4c3cc1a37e8106f36c5a3
Link:
https://www.unpac.me/results/d8b3fe2d-5be0-4219-adf9-352ed1f93774/
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/91d334434a01f962375f915620036f8fcfba193327716d1b377afe03b250a3fa

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/322454/
  
URLhaus
https://urlhaus.abuse.ch/url/2276314/

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