MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 83b914c34bec221432218258835ede62678fc4e7a0fcea171f7078c6def78789. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 83b914c34bec221432218258835ede62678fc4e7a0fcea171f7078c6def78789
SHA3-384 hash: fb4e4ed0a686bf855aea2eb61e1fa89cb671f81678df1b02505dd925e4c197dce259f68b6cf83cb3e49e21fc57b88d34
SHA1 hash: eab1ead5e9237184ace8b6f7d6b1239faa2b4ecf
MD5 hash: 5c9a1f7e697b4bb6a1f2818a8f954785
humanhash: london-oscar-jig-winner
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'635'449 bytes
First seen:2022-10-29 04:30:47 UTC
Last seen:2022-10-29 04:55:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'445 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:Z2QimXS79kyW5Mi5zPCHA0Obs0TOyFGelFlamVrnSg11TyBm8VYCpLA5hq:MQWpkf7xKqoOOygsamVj37Tyk8VTGDq
TLSH T1F6C533C48B52917CC0A1CE3B8A31C90D67A272562D35F026B2EDB8614E7BDD9E44B7F4
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 :
571
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-29 04:31:43 UTC
Tags:
installer
Link:
https://app.any.run/tasks/f118e4ae-05a9-4f79-a30d-9a97f488c5c5

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/325728/
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
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/46509/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/635cac8758409ff7bc0c370c/reports/adbf486c-dc55-4dfd-ac19-6619219a7749/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/e0f65584-081e-4a62-8708-35a75bc53f65
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1100753
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
Multi AV Scanner detection for submitted file
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 733414 Sample: file.exe Startdate: 29/10/2022 Architecture: WINDOWS Score: 96 47 45.139.105.1 CMCSUS Italy 2->47 49 85.31.46.167 CLOUDCOMPUTINGDE Germany 2->49 51 Antivirus detection for URL or domain 2->51 53 Multi AV Scanner detection for submitted file 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-P9VKV.tmp, PE32 10->31 dropped 13 is-P9VKV.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 fdsearcher63.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\...\X5tTFRVosKT7.exe, PE32 16->29 dropped 20 X5tTFRVosKT7.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/83b914c34bec221432218258835ede62678fc4e7a0fcea171f7078c6def78789/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2022-10-29 04:31:10 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
10 of 26 (38.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qo4rjq2l5qrbimrbqjmigxw6mjty7rhhud6oufy7ob4mnxxxq6eq._file
Verdict:
malicious
Result
Malware family:
nymaim
Create hunting rule
Score:
  10/10
Tags:
family:nymaim discovery trojan
Link:
https://tria.ge/reports/221029-e5dneacacl/
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
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/b736eacb-b4e3-431b-a995-1f926cbc2168
Unpacked files
SH256 hash:
f6e1267520eb0a76c70588658e87cf67715f3e303f82fb90af4d4d9b39d74ac7
MD5 hash:
ec0c3f9c982af37db0afee5016e795f4
SHA1 hash:
8c610017f3965334a8c0a89e1042940391086a57
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/14e29f36-c4b3-4805-8466-c8ee8ce09d18/
SH256 hash:
169304c3bf26dc55d41c6d3d84a1a848995d76a0ea4edd7264061e3dc17e8648
MD5 hash:
780e5b62c8c8afbb8382592701c3399f
SHA1 hash:
46a5484d4ea2ba5c66ea05ad7ec4c471f59f9aa4
Link:
https://www.unpac.me/results/14e29f36-c4b3-4805-8466-c8ee8ce09d18/
SH256 hash:
a85836c8a63cb546e5c3dedd865725b62fdabf943e2a696b5d0b1052ae20f6a3
MD5 hash:
dd6211e93847aae38ebae3f4d624e3b1
SHA1 hash:
04a919056efa446116c0f9c8ba7034f22c7ac8aa
Link:
https://www.unpac.me/results/14e29f36-c4b3-4805-8466-c8ee8ce09d18/
SH256 hash:
83b914c34bec221432218258835ede62678fc4e7a0fcea171f7078c6def78789
MD5 hash:
5c9a1f7e697b4bb6a1f2818a8f954785
SHA1 hash:
eab1ead5e9237184ace8b6f7d6b1239faa2b4ecf
Link:
https://www.unpac.me/results/14e29f36-c4b3-4805-8466-c8ee8ce09d18/
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/83b914c34bec221432218258835ede62678fc4e7a0fcea171f7078c6def78789

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: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/325728/
  
URLhaus
https://urlhaus.abuse.ch/url/2276314/

Comments