MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7b4daf50ce63113ae3c210306e044965265e4774b639539968978ccdcaa992c5. 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: 7b4daf50ce63113ae3c210306e044965265e4774b639539968978ccdcaa992c5
SHA3-384 hash: 151ffee0aa33829ffd05d28f8a69192bdd0f22a9dc78a17540c0aca0b94fc927044c4f53f712e5c4c6c2fc1aca38b486
SHA1 hash: 42eef4507c91ed483f4f56525675144081cf5833
MD5 hash: 7000dac85e332203e473185260382422
humanhash: freddie-five-autumn-mike
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'380'874 bytes
First seen:2023-06-11 14:36:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 80417b621299e3e1de617305557a3c68 (48 x GCleaner, 44 x Backdoor.TeamViewer, 31 x Socks5Systemz)
ssdeep 49152:J6dJ6sPXX6LzkZ/hrUfw0dXU/xLT5ZjC75+uWXhwDBONEVbn3s1g7Ir86:cdMsf8E/hADdXC5Q75UXhwDBO83s1g7O
Threatray 3 similar samples on MalwareBazaar
TLSH T150B522529BBDFA24D2A948F3BF9168CC723C963537FB012B68F7D417C46A9407C1A609
TrID 80.3% (.EXE) Inno Setup installer (109740/4/30)
10.3% (.EXE) Win32 Executable Delphi generic (14182/79/4)
3.2% (.EXE) Win32 Executable (generic) (4505/5/1)
1.5% (.EXE) Win16/32 Executable Delphi generic (2072/23)
1.4% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 8cb2f0ccccf0b2cc (8 x GCleaner)
Reporter andretavare5
Tags:exe gcleaner


Avatar
andretavare5
Sample downloaded from http://45.12.253.74/pineapple.php?pub=mixinte

Intelligence

File Origin
# of uploads :
1
# of downloads :
291
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-06-11 14:37:26 UTC
Tags:
installer gcleaner
Link:
https://app.any.run/tasks/be2c94c6-da2a-4ccb-81c2-c40f93c765d6

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/397788/
Detection(s):
SecuriteInfo.com.Trojan.DownLoader25.56768.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
Sending a custom TCP request
Creating a file in the Program Files subdirectories
Moving a file to the Program Files subdirectory
Modifying a system file
Creating a file in the %AppData% subdirectories
Running batch commands
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
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/90269/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware installer lolbin overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/6485dc0f25ad001b47591909/reports/b32bfda0-f0a4-4fed-bbc6-61c31a2d9691/overview
Verdict:
Malicious
Labled as:
Win/grayware_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/7b4daf50ce63113ae3c210306e044965265e4774b639539968978ccdcaa992c5
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4a3be2c7-13bf-4220-bef2-f486fa77bf19
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1252573
Signature
Antivirus detection for dropped file
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)
Found malware configuration
Machine Learning detection for dropped file
Multi AV Scanner detection for dropped file
Snort IDS alert for network traffic
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 885593 Sample: file.exe Startdate: 11/06/2023 Architecture: WINDOWS Score: 100 47 45.12.253.98 CMCSUS Germany 2->47 49 Snort IDS alert for network traffic 2->49 51 Found malware configuration 2->51 53 Antivirus detection for URL or domain 2->53 55 6 other signatures 2->55 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-DSKE5.tmp, PE32 10->31 dropped 13 is-DSKE5.tmp 10 24 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:\Users\user\AppData\Local\...\_RegDLL.tmp, PE32 13->37 dropped 39 6 other files (5 malicious) 13->39 dropped 16 Rec611.exe 22 13->16         started        process8 dnsIp9 41 45.12.253.56, 49703, 80 CMCSUS Germany 16->41 43 45.12.253.72, 49704, 80 CMCSUS Germany 16->43 45 45.12.253.75, 49705, 80 CMCSUS Germany 16->45 29 C:\Users\user\AppData\Roaming\...\a9CroR.exe, PE32 16->29 dropped 20 a9CroR.exe 16->20         started        23 cmd.exe 1 16->23         started        file10 process11 signatures12 57 Multi AV Scanner detection for dropped file 20->57 25 taskkill.exe 1 23->25         started        27 conhost.exe 23->27         started        process13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7b4daf50ce63113ae3c210306e044965265e4774b639539968978ccdcaa992c5/
Threat name:
Win32.Trojan.Gcleaner
Create hunting rule
Status:
Malicious
First seen:
2023-06-11 14:37:06 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=png26ugommitvy6ccayg4bcjmutf4r3uwy4vhglis6gm3svjslcq._file
Verdict:
malicious
Similar samples:
2507ed3ba3db274213ed6f01d08da0d9db77b3b83a522999f3dd6912af282853
GCleaner
477b4c4a0b4a95ad547b7dcbb4285b2d11775d10a31be8a10d1d0e82f55ac40a
GCleaner
9bd63ebc98e80be154e87035bbe6675b6ea1a720d3465173802b26d521efa15e
GCleaner
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230611-ry5jrsaa2v/
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
Executes dropped EXE
Loads dropped DLL
GCleaner
Malware Config
C2 Extraction:
45.12.253.56
45.12.253.72
45.12.253.98
45.12.253.75
Unpacked files
SH256 hash:
f379606c8b56782f3b6abb37e8900c6248a56ff1377a61d8b1533b975455bee9
MD5 hash:
9b84d072d908bf80b1bbedd0f4360257
SHA1 hash:
175923995ef4d617baa5448df02b81ec99a92a9e
Detections:
Nymaim
Create hunting rule
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/227daf4f-b45e-431e-8054-e8e39323edfe/
SH256 hash:
b5995529d987761b92a501b179ff359301acb591c1ae508f4d8ae3bce69459be
MD5 hash:
439df8dc5170f80f187dd9b1f86df104
SHA1 hash:
cc1915226cf844aa35a7ec5f30481a1a2938f217
Link:
https://www.unpac.me/results/227daf4f-b45e-431e-8054-e8e39323edfe/
SH256 hash:
444c9128114c59e174dec3a243760f73843021b91cfab7959d71ee03b569c63c
MD5 hash:
c3f876aa5806a3e6815dc841a792f5bd
SHA1 hash:
83e3fdff1e387991c69d69d4cc6f53182d52131b
Link:
https://www.unpac.me/results/227daf4f-b45e-431e-8054-e8e39323edfe/
SH256 hash:
7b4daf50ce63113ae3c210306e044965265e4774b639539968978ccdcaa992c5
MD5 hash:
7000dac85e332203e473185260382422
SHA1 hash:
42eef4507c91ed483f4f56525675144081cf5833
Link:
https://www.unpac.me/results/227daf4f-b45e-431e-8054-e8e39323edfe/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/7b4daf50ce63113ae3c210306e044965265e4774b639539968978ccdcaa992c5

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:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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/397788/

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