MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d979a91553da958d051b90d5c0fafd8d5cc57a0d1eaab3b0fbfda4094b34533c. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments

SHA256 hash: d979a91553da958d051b90d5c0fafd8d5cc57a0d1eaab3b0fbfda4094b34533c
SHA3-384 hash: 319d716064187a49f3796c2e31768d7acfcd9bf6e6ec05ad1559fa75a85e3a00596644e4d5da6db23b429dd931e958d4
SHA1 hash: cdc77244af149c94b736da9459d923324b8c0a54
MD5 hash: 1995b2c7f6e90f51bf07ed4f69b1e54b
humanhash: mississippi-bakerloo-happy-robin
File name:file
Download: download sample
Signature GCleaner
File size:1'975'166 bytes
First seen:2023-01-27 11:00:24 UTC
Last seen:2023-01-27 11:29:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'514 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:okug+H04pa1Fh8+PpevFp7FIhUjWMa8PacptLCgv2MR:hug+Uqmv3CFZSh8a8ycpxv2MR
TLSH T1DE95331B2581C67ED8B242B76B34A241AF73FED3353D1521721B36DC0DB22E05CB56AA
TrID 78.6% (.EXE) Inno Setup installer (109740/4/30)
10.1% (.EXE) Win32 Executable Delphi generic (14182/79/4)
3.2% (.EXE) Win32 Executable (generic) (4505/5/1)
2.1% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
1.4% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 71f0e0ccccf0f0f0 (204 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 :
14
# of downloads :
206
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-27 11:02:33 UTC
Tags:
installer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Modifying a system file
Creating a file in the %AppData% subdirectories
Sending an HTTP GET request
Sending a custom TCP request
Running batch commands
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Creating a file in the Windows subdirectories
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 a tool to kill processes
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
greyware overlay 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
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
Obfuscated command line found
Snort IDS alert for network traffic
Yara detected Nymaim
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 792897 Sample: file.exe Startdate: 27/01/2023 Architecture: WINDOWS Score: 100 48 45.12.253.98 CMCSUS Germany 2->48 50 Snort IDS alert for network traffic 2->50 52 Multi AV Scanner detection for submitted file 2->52 54 Detected unpacking (changes PE section rights) 2->54 56 4 other signatures 2->56 10 file.exe 2 2->10         started        signatures3 process4 file5 32 C:\Users\user\AppData\Local\Temp\...\file.tmp, PE32 10->32 dropped 60 Obfuscated command line found 10->60 14 file.tmp 18 16 10->14         started        signatures6 process7 file8 34 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 14->34 dropped 36 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 14->36 dropped 38 C:\Users\user\AppData\Local\...\_RegDLL.tmp, PE32 14->38 dropped 40 6 other files (5 malicious) 14->40 dropped 17 finalrecovery.exe 24 14->17         started        process9 dnsIp10 42 45.12.253.56, 49700, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49701, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49702, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\...\f7ZXDRKHp2Deo.exe, PE32 17->30 dropped 21 f7ZXDRKHp2Deo.exe 17->21         started        24 cmd.exe 1 17->24         started        file11 process12 signatures13 58 Multi AV Scanner detection for dropped file 21->58 26 taskkill.exe 1 24->26         started        28 conhost.exe 24->28         started        process14
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2023-01-27 11:01:08 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
6 of 39 (15.38%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
gcleaner
Score:
  10/10
Tags:
family:gcleaner discovery loader
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
Loads dropped DLL
Executes dropped EXE
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:
3d46f7ac094d45c6b97000e8130583d7606d2292944bf25f69a209d31ffee16c
MD5 hash:
3f4f29a8ab1d0111621fc1f2860af81c
SHA1 hash:
51c2eb9d34217b9d7c289bf5a5d6fce61016c67d
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
efa706ebdebbb60f2b0a88e2bbf2d5013bfd91798e2afed806bca5a507f0b173
MD5 hash:
604c8492f29e64d77634c2f2937d6bce
SHA1 hash:
8806ac7c07b185b62ac6d009640e325ca4ce8ec0
SH256 hash:
ef16f709280859169778700278e6c29dfccf104e14753d60a5905c89b38aba59
MD5 hash:
5281fe730ffae05144765c893c2c3239
SHA1 hash:
3ecb1ef2e3b2a5d0a7ff250cc693bf7461288e8a
SH256 hash:
d979a91553da958d051b90d5c0fafd8d5cc57a0d1eaab3b0fbfda4094b34533c
MD5 hash:
1995b2c7f6e90f51bf07ed4f69b1e54b
SHA1 hash:
cdc77244af149c94b736da9459d923324b8c0a54
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