MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a966075818dd971effd37c47d3de59591064a7bc99f37296e04c6d8a63ce3ea2. 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

SHA256 hash: a966075818dd971effd37c47d3de59591064a7bc99f37296e04c6d8a63ce3ea2
SHA3-384 hash: bd6978988e1b334aa3998e1d5b368c24e1cd482fa8f7546b9e625d499ea2b6e99dce5453174a59ab50ea85746e904721
SHA1 hash: 71b8fda375cb9514ebee9a97b57446fb7d9ae79f
MD5 hash: 439f902cad5984cfede4df7e6db3089f
humanhash: tennis-bravo-triple-lion
File name:file
Download: download sample
Signature GCleaner
File size:1'280'660 bytes
First seen:2023-06-27 04:15:21 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 24576:tfOy1LH9CkWEPU0phI2ng58Lt1uD2gR1nCWZtP/hNy:tGkL2gphQ5YkD2wnCg5/3y
Threatray 8 similar samples on MalwareBazaar
TLSH T1F25523912DD9D174D210AE70AA2A41217E1FB77178B0391EB08D98FE9F1E213CE79763
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 f8f8f8f8f8f8f900 (2 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 :
297
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-06-27 04:17:24 UTC
Tags:
installer gcleaner

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
Searching for synchronization primitives
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:
gcleaner greyware installer lolbin overlay packed packed shell32.dll
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 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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Yara detected Nymaim
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 894825 Sample: file.exe Startdate: 27/06/2023 Architecture: WINDOWS Score: 100 40 45.12.253.72 CMCSUS Germany 2->40 42 45.12.253.98 CMCSUS Germany 2->42 46 Multi AV Scanner detection for domain / URL 2->46 48 Found malware configuration 2->48 50 Antivirus detection for URL or domain 2->50 52 8 other signatures 2->52 9 file.exe 2 2->9         started        signatures3 process4 file5 30 C:\Users\user\AppData\Local\...\is-FGV5L.tmp, PE32 9->30 dropped 12 is-FGV5L.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 ReeSpacer627.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\...\ebRuabDrWpQNl.exe, PE32 15->28 dropped 21 ebRuabDrWpQNl.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.Generic
Status:
Suspicious
First seen:
2023-06-27 04:16:08 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
13 of 24 (54.17%)
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:
24d68a5849624a5bca471a99d363ec5d215a2f95148db710294bc09534ac2e59
MD5 hash:
ccc3b0a1d9b40087e6bb917d6f67fc92
SHA1 hash:
d28672452142ac8784421a87e1441a34b9901759
Detections:
Nymaim win_nymaim_g0 win_gcleaner_auto Nymaim win_nymaim_g0 win_gcleaner_auto Nymaim win_nymaim_g0 win_gcleaner_auto Nymaim win_nymaim_g0 win_gcleaner_auto
SH256 hash:
f1c00dfc87a5c79e9b689a9233d7f963f19671bad36d0743653a4c32f8665384
MD5 hash:
b69ae1df8e0718ec691c2cfde06d54e0
SHA1 hash:
3106b93d5ca3cf341138f1c2b4d0e71e9abd84eb
SH256 hash:
cf3ba15ea25d3f828834bc4c30866fc9e9590a157b8e7f5e095a9427de4b82c8
MD5 hash:
dd18cc9c0d8bcc37c8818c443d6d5d20
SHA1 hash:
76f7b6f549a555f083fa35ac1a2162f32678f4ca
SH256 hash:
434baaf40249bc4731be05b0842226fb2e7846b812e006f6a00a43bb1f7ecbf8
MD5 hash:
eb9ff059374c001bf7ebb0990aa98e1b
SHA1 hash:
0a247f9f34cfbb6811cb0c767cd284ca2a088332
SH256 hash:
24d68a5849624a5bca471a99d363ec5d215a2f95148db710294bc09534ac2e59
MD5 hash:
ccc3b0a1d9b40087e6bb917d6f67fc92
SHA1 hash:
d28672452142ac8784421a87e1441a34b9901759
Detections:
Nymaim win_nymaim_g0 win_gcleaner_auto Nymaim win_nymaim_g0 win_gcleaner_auto Nymaim win_nymaim_g0 win_gcleaner_auto Nymaim win_nymaim_g0 win_gcleaner_auto
SH256 hash:
f1c00dfc87a5c79e9b689a9233d7f963f19671bad36d0743653a4c32f8665384
MD5 hash:
b69ae1df8e0718ec691c2cfde06d54e0
SHA1 hash:
3106b93d5ca3cf341138f1c2b4d0e71e9abd84eb
SH256 hash:
cf3ba15ea25d3f828834bc4c30866fc9e9590a157b8e7f5e095a9427de4b82c8
MD5 hash:
dd18cc9c0d8bcc37c8818c443d6d5d20
SHA1 hash:
76f7b6f549a555f083fa35ac1a2162f32678f4ca
SH256 hash:
434baaf40249bc4731be05b0842226fb2e7846b812e006f6a00a43bb1f7ecbf8
MD5 hash:
eb9ff059374c001bf7ebb0990aa98e1b
SHA1 hash:
0a247f9f34cfbb6811cb0c767cd284ca2a088332
SH256 hash:
24d68a5849624a5bca471a99d363ec5d215a2f95148db710294bc09534ac2e59
MD5 hash:
ccc3b0a1d9b40087e6bb917d6f67fc92
SHA1 hash:
d28672452142ac8784421a87e1441a34b9901759
Detections:
Nymaim win_nymaim_g0 win_gcleaner_auto Nymaim win_nymaim_g0 win_gcleaner_auto Nymaim win_nymaim_g0 win_gcleaner_auto Nymaim win_nymaim_g0 win_gcleaner_auto
SH256 hash:
f1c00dfc87a5c79e9b689a9233d7f963f19671bad36d0743653a4c32f8665384
MD5 hash:
b69ae1df8e0718ec691c2cfde06d54e0
SHA1 hash:
3106b93d5ca3cf341138f1c2b4d0e71e9abd84eb
SH256 hash:
cf3ba15ea25d3f828834bc4c30866fc9e9590a157b8e7f5e095a9427de4b82c8
MD5 hash:
dd18cc9c0d8bcc37c8818c443d6d5d20
SHA1 hash:
76f7b6f549a555f083fa35ac1a2162f32678f4ca
SH256 hash:
434baaf40249bc4731be05b0842226fb2e7846b812e006f6a00a43bb1f7ecbf8
MD5 hash:
eb9ff059374c001bf7ebb0990aa98e1b
SHA1 hash:
0a247f9f34cfbb6811cb0c767cd284ca2a088332
SH256 hash:
24d68a5849624a5bca471a99d363ec5d215a2f95148db710294bc09534ac2e59
MD5 hash:
ccc3b0a1d9b40087e6bb917d6f67fc92
SHA1 hash:
d28672452142ac8784421a87e1441a34b9901759
Detections:
Nymaim win_nymaim_g0 win_gcleaner_auto Nymaim win_nymaim_g0 win_gcleaner_auto Nymaim win_nymaim_g0 win_gcleaner_auto Nymaim win_nymaim_g0 win_gcleaner_auto
SH256 hash:
f1c00dfc87a5c79e9b689a9233d7f963f19671bad36d0743653a4c32f8665384
MD5 hash:
b69ae1df8e0718ec691c2cfde06d54e0
SHA1 hash:
3106b93d5ca3cf341138f1c2b4d0e71e9abd84eb
SH256 hash:
cf3ba15ea25d3f828834bc4c30866fc9e9590a157b8e7f5e095a9427de4b82c8
MD5 hash:
dd18cc9c0d8bcc37c8818c443d6d5d20
SHA1 hash:
76f7b6f549a555f083fa35ac1a2162f32678f4ca
SH256 hash:
434baaf40249bc4731be05b0842226fb2e7846b812e006f6a00a43bb1f7ecbf8
MD5 hash:
eb9ff059374c001bf7ebb0990aa98e1b
SHA1 hash:
0a247f9f34cfbb6811cb0c767cd284ca2a088332
SH256 hash:
a966075818dd971effd37c47d3de59591064a7bc99f37296e04c6d8a63ce3ea2
MD5 hash:
439f902cad5984cfede4df7e6db3089f
SHA1 hash:
71b8fda375cb9514ebee9a97b57446fb7d9ae79f
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

Comments