MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2991d4f1f4e2e95f345ef81a6fc3474c8d42ce67a73507b24006f9190dec9fec. 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: 2991d4f1f4e2e95f345ef81a6fc3474c8d42ce67a73507b24006f9190dec9fec
SHA3-384 hash: c23900ac77b01902715bf9b33f5aebff5d8cb93fd37025c7e8b23fd60a0208c199dc6c1304980e3cea389a8d16b12cba
SHA1 hash: 04af2314005dc42a2f5a1848a5d212e35a513f69
MD5 hash: bafd40f59bf50192c656679912e192db
humanhash: eleven-dakota-failed-don
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:3'072'794 bytes
First seen:2023-04-28 01:27:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'445 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:EGlJfsLy6UxGBrBk3AYUxazpfWsbi8zNX3hJ06HpU+1iSVu8GyARYbUnCquv8wtE:5oBrUaxaz9iAX3hJ1H51XDGyALnMvNjC
Threatray 130 similar samples on MalwareBazaar
TLSH T184E53317D5B38E7BD1138934CEC8105A1FB37942266C376C145C6CDEBF9B5A2AC9AB02
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://45.12.253.74/pineapple.php?pub=mixinte

Intelligence

File Origin
# of uploads :
1
# of downloads :
315
Origin country :
US US
Vendor Threat Intelligence
Malware family:
vidar
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-04-28 01:30:26 UTC
Tags:
installer loader gcleaner stealer vidar trojan rat redline laplasclipper
Link:
https://app.any.run/tasks/699f705a-bc97-4dc9-9cd5-d36b8f2fcfac

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/385245/
Detection(s):
SecuriteInfo.com.TR.Spy.KGBSpy.1.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 in the Program Files subdirectories
Moving a file to the Program Files subdirectory
Modifying a system file
Creating a file in the %AppData% subdirectories
Sending an HTTP GET 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
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/81670/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware installer overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/644b21245642c9c405e1f274/reports/438d87df-b56e-4511-be7b-9908b30b8511/overview
Verdict:
Malicious
Labled as:
HEUR/AGEN.1332570
Link:
https://www.hybrid-analysis.com/sample/2991d4f1f4e2e95f345ef81a6fc3474c8d42ce67a73507b24006f9190dec9fec
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/5258524d-f705-47f6-b4f2-7910e06b5945
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1222447
Signature
Antivirus / Scanner detection for submitted sample
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
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 855400 Sample: file.exe Startdate: 28/04/2023 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 8 other signatures 2->55 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-DC5IC.tmp, PE32 10->31 dropped 13 is-DC5IC.tmp 11 25 10->13         started        process6 file7 33 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 13->33 dropped 35 C:\Users\user\AppData\Local\...\_isdecmp.dll, PE32 13->35 dropped 37 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 13->37 dropped 39 7 other files (5 malicious) 13->39 dropped 16 Rec427.exe 24 13->16         started        process8 dnsIp9 41 45.12.253.56, 49697, 80 CMCSUS Germany 16->41 43 45.12.253.72, 49698, 80 CMCSUS Germany 16->43 45 45.12.253.75, 49699, 80 CMCSUS Germany 16->45 29 C:\Users\user\AppData\...\eg4n3LM54nDlo.exe, PE32 16->29 dropped 20 eg4n3LM54nDlo.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/2991d4f1f4e2e95f345ef81a6fc3474c8d42ce67a73507b24006f9190dec9fec/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fgi5j4pu4luv6nc67ang7q2hjsguftthu42qpmsaa34rsdpmt7wa._file
Verdict:
malicious
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GCleaner
+ 120 additional samples on MalwareBazaar
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230428-bvntvach5v/
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:
cf10dff29964decedca83982babfc6ad79dae4ac5716c5d93e8f015c3b3e015a
MD5 hash:
3a1f48bdaa761af0d2a956454792269b
SHA1 hash:
20be30a2da44de03fcdeafced3c6cea6e3eecd97
Detections:
Nymaim
Create hunting rule
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/83820cfd-ed47-42eb-a5c3-4f3bc3c26cf2/
SH256 hash:
79634eb68f818a4f5eb6b951bc78fd0d59e13bc6d6bcb895260331c0da850d07
MD5 hash:
1fe8ccfebdfe04133d899ee7b0e65b2d
SHA1 hash:
f8382ff3934bd2dbde139d4aaaff17abb6ce80b8
Link:
https://www.unpac.me/results/83820cfd-ed47-42eb-a5c3-4f3bc3c26cf2/
SH256 hash:
2a0b4d3891eb800a4f861673beb09badce03e41a47571bc51e76370ab5b43c1e
MD5 hash:
d4f3e77a5a194b4d0ec8177d0da31812
SHA1 hash:
c8045b320a9e5faadcedfb40df148e77f0d186a5
Link:
https://www.unpac.me/results/83820cfd-ed47-42eb-a5c3-4f3bc3c26cf2/
SH256 hash:
2991d4f1f4e2e95f345ef81a6fc3474c8d42ce67a73507b24006f9190dec9fec
MD5 hash:
bafd40f59bf50192c656679912e192db
SHA1 hash:
04af2314005dc42a2f5a1848a5d212e35a513f69
Link:
https://www.unpac.me/results/83820cfd-ed47-42eb-a5c3-4f3bc3c26cf2/
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/2991d4f1f4e2e95f345ef81a6fc3474c8d42ce67a73507b24006f9190dec9fec

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
  
URLhaus
https://urlhaus.abuse.ch/url/2509470/
Cape
Cape
https://www.capesandbox.com/analysis/385245/

Comments