MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a43a7a8d46e524734b4fa9f36fd8b360e40cf314fc9c7775f4ffe651303f69c8. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments

SHA256 hash: a43a7a8d46e524734b4fa9f36fd8b360e40cf314fc9c7775f4ffe651303f69c8
SHA3-384 hash: 1241880241d9813a22d67714a03b36aa4e765cd9eafed42a583035cf92f02002d2ff085a4c3caa933ff2ebe5fb162bab
SHA1 hash: c437bb5ad3e6824cacab0d827b10af71c3bfc72d
MD5 hash: 9da769212c411ae4d04263c3eadc1593
humanhash: nitrogen-edward-july-batman
File name:file
Download: download sample
Signature GCleaner
File size:1'193'203 bytes
First seen:2023-07-02 04:10:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'450 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 24576:JfOyJG4ATUQoxYM1zhks3L5S+fXvLvcbnnNUWCMW6:JGODgXoxd11kYLdfzvMnvT
Threatray 132 similar samples on MalwareBazaar
TLSH T119453311D1C8D07AC679D7F08DA6E07B6AF37DE16878982A62AC5FCC1BB15A5090C337
TrID 50.8% (.EXE) Win32 Executable PowerBASIC/Win 9.x (148303/79/28)
37.6% (.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 70f0f0e8e8b2f0f0 (29 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 :
261
Origin country :
US US
Vendor Threat Intelligence
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
Launching the process to interact with network services
Modifying a system file
Launching a process
Sending a custom TCP request
Creating a file in the %AppData% 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
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control gcleaner greyware installer lolbin overlay packed packed shell32
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.
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
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
Yara detected Nymaim
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 897862 Sample: file.exe Startdate: 02/07/2023 Architecture: WINDOWS Score: 100 40 45.12.253.72 CMCSUS Germany 2->40 42 45.12.253.98 CMCSUS Germany 2->42 46 Found malware configuration 2->46 48 Antivirus detection for URL or domain 2->48 50 Antivirus / Scanner detection for submitted sample 2->50 52 5 other signatures 2->52 9 file.exe 2 2->9         started        signatures3 process4 file5 30 C:\Users\user\AppData\Local\...\is-LNOFK.tmp, PE32 9->30 dropped 12 is-LNOFK.tmp 11 102 9->12         started        process6 file7 32 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 12->32 dropped 34 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 12->34 dropped 36 C:\...\unins000.exe (copy), PE32 12->36 dropped 38 8 other files (6 malicious) 12->38 dropped 15 RejSpacer72.exe 8 12->15         started        19 net.exe 1 12->19         started        process8 dnsIp9 44 45.12.253.56, 80 CMCSUS Germany 15->44 28 C:\Users\user\AppData\...\1wJF6VzC.exe, PE32 15->28 dropped 21 1wJF6VzC.exe 15->21         started        24 conhost.exe 19->24         started        26 net1.exe 1 19->26         started        file10 process11 signatures12 54 Multi AV Scanner detection for dropped file 21->54
Threat name:
Win32.Trojan.Privateloader
Status:
Suspicious
First seen:
2023-07-02 04:11:05 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
8 of 24 (33.33%)
Threat level:
  5/5
Result
Malware family:
gcleaner
Score:
  10/10
Tags:
family:gcleaner discovery loader
Behaviour
Kills process with taskkill
Runs net.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
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:
b88d32a54b790b237b522d052858b0ab9831bff08198edac82fb1d68622ff31c
MD5 hash:
96a897d792330afcb37132206bed1f1d
SHA1 hash:
1bb32da7e3e49764728528a82da96e6b471c8158
Detections:
Nymaim win_nymaim_g0 win_gcleaner_auto Nymaim win_nymaim_g0 win_gcleaner_auto Nymaim win_nymaim_g0 win_gcleaner_auto
SH256 hash:
a1e25d8585e557b682d9f2b50bd31b6bc83feeafec83fb1c44d9b6b52ec87f91
MD5 hash:
2dc9f818d22144d7d04afaef82006e8a
SHA1 hash:
45cc350cd3d8a75f5ea01adb5111d15f9ab562a9
SH256 hash:
1b33692be71797531602601c6017e9a2b1a9395b6ad19ae52de38449424b34ef
MD5 hash:
8ade179a30a08c107147f818dc5ea758
SHA1 hash:
1cef1229f297282edfc0aab8f0f6508f42cde3e9
SH256 hash:
b88d32a54b790b237b522d052858b0ab9831bff08198edac82fb1d68622ff31c
MD5 hash:
96a897d792330afcb37132206bed1f1d
SHA1 hash:
1bb32da7e3e49764728528a82da96e6b471c8158
Detections:
Nymaim win_nymaim_g0 win_gcleaner_auto Nymaim win_nymaim_g0 win_gcleaner_auto Nymaim win_nymaim_g0 win_gcleaner_auto
SH256 hash:
a1e25d8585e557b682d9f2b50bd31b6bc83feeafec83fb1c44d9b6b52ec87f91
MD5 hash:
2dc9f818d22144d7d04afaef82006e8a
SHA1 hash:
45cc350cd3d8a75f5ea01adb5111d15f9ab562a9
SH256 hash:
1b33692be71797531602601c6017e9a2b1a9395b6ad19ae52de38449424b34ef
MD5 hash:
8ade179a30a08c107147f818dc5ea758
SHA1 hash:
1cef1229f297282edfc0aab8f0f6508f42cde3e9
SH256 hash:
b88d32a54b790b237b522d052858b0ab9831bff08198edac82fb1d68622ff31c
MD5 hash:
96a897d792330afcb37132206bed1f1d
SHA1 hash:
1bb32da7e3e49764728528a82da96e6b471c8158
Detections:
Nymaim win_nymaim_g0 win_gcleaner_auto Nymaim win_nymaim_g0 win_gcleaner_auto Nymaim win_nymaim_g0 win_gcleaner_auto
SH256 hash:
a1e25d8585e557b682d9f2b50bd31b6bc83feeafec83fb1c44d9b6b52ec87f91
MD5 hash:
2dc9f818d22144d7d04afaef82006e8a
SHA1 hash:
45cc350cd3d8a75f5ea01adb5111d15f9ab562a9
SH256 hash:
1b33692be71797531602601c6017e9a2b1a9395b6ad19ae52de38449424b34ef
MD5 hash:
8ade179a30a08c107147f818dc5ea758
SHA1 hash:
1cef1229f297282edfc0aab8f0f6508f42cde3e9
SH256 hash:
a43a7a8d46e524734b4fa9f36fd8b360e40cf314fc9c7775f4ffe651303f69c8
MD5 hash:
9da769212c411ae4d04263c3eadc1593
SHA1 hash:
c437bb5ad3e6824cacab0d827b10af71c3bfc72d
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:win_gcleaner_auto
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

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