MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 77a0d2ab6f210a06ced28c1202888ff6950ba6cd2d323008a18661493f18e870. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments

SHA256 hash: 77a0d2ab6f210a06ced28c1202888ff6950ba6cd2d323008a18661493f18e870
SHA3-384 hash: 514204dbb52ad7e7ae5f98a4531677b8372677ccca29a0e22b890d35d5d3854945792b9d7191fef43372d6381a2a338a
SHA1 hash: 0931830e1349eaec216ac5aaa5b0220aa4f0d33c
MD5 hash: c20a33a7e854f6b23f142a499e3e66b8
humanhash: vermont-kilo-spring-pizza
File name:file
Download: download sample
Signature GCleaner
File size:1'983'275 bytes
First seen:2023-03-25 22:51:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'446 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:EGlJfs3s+ly+RX9CNjzWyAR2g1/bHKLy5QSKkrfL5dlLYp:5Ws+ly+RXiXWyhV25NrNPYp
Threatray 2'021 similar samples on MalwareBazaar
TLSH T17A953309E1E508B0D1529A3C1E63EDD2691325310EA8037D33DD4B9EAF392C9ADD577A
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 :
270
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-03-25 22:53:26 UTC
Tags:
installer loader gcleaner ransomware stop opendir rat redline cryptbot

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
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 process
Launching a tool to kill processes
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware installer 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:
CryptbotV2, Djvu, Nymaim
Detection:
malicious
Classification:
rans.troj.spyw.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 many strings related to Crypto-Wallets (likely being stolen)
Found ransom note / readme
Found stalling execution ending in API Sleep call
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
PE file contains section with special chars
Snort IDS alert for network traffic
Tries to detect virtualization through RDTSC time measurements
Yara detected CryptbotV2
Yara detected Djvu Ransomware
Yara detected Nymaim
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 834875 Sample: file.exe Startdate: 25/03/2023 Architecture: WINDOWS Score: 100 55 45.12.253.98 CMCSUS Germany 2->55 57 nekphd62.top 2->57 65 Snort IDS alert for network traffic 2->65 67 Malicious sample detected (through community Yara rule) 2->67 69 Antivirus detection for URL or domain 2->69 71 14 other signatures 2->71 10 file.exe 2 2->10         started        signatures3 process4 file5 39 C:\Users\user\AppData\Local\...\is-042L8.tmp, PE32 10->39 dropped 13 is-042L8.tmp 11 24 10->13         started        process6 file7 41 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 13->41 dropped 43 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 13->43 dropped 45 C:\...\unins000.exe (copy), PE32 13->45 dropped 47 7 other files (5 malicious) 13->47 dropped 16 FRec325.exe 27 13->16         started        process8 dnsIp9 49 45.12.253.56, 49698, 80 CMCSUS Germany 16->49 51 45.12.253.72, 49699, 80 CMCSUS Germany 16->51 53 45.12.253.75, 49703, 80 CMCSUS Germany 16->53 31 C:\Users\user\AppData\Roaming\...\DGDw1R.exe, PE32 16->31 dropped 33 C:\Users\user\AppData\...\hv8wS6qwwK5.exe, PE32 16->33 dropped 35 C:\Users\user\AppData\Roaming\...\u8N9q.exe, PE32 16->35 dropped 37 2 other malicious files 16->37 dropped 20 hv8wS6qwwK5.exe 16->20         started        23 u8N9q.exe 33 16->23         started        26 DGDw1R.exe 16->26         started        file10 process11 dnsIp12 73 Detected unpacking (changes PE section rights) 20->73 75 Detected unpacking (overwrites its own PE header) 20->75 77 Injects a PE file into a foreign processes 20->77 28 hv8wS6qwwK5.exe 13 20->28         started        59 www.google.com 142.250.186.36, 443, 49705 GOOGLEUS United States 23->59 79 Multi AV Scanner detection for dropped file 23->79 81 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 23->81 83 Tries to detect virtualization through RDTSC time measurements 23->83 signatures13 process14 dnsIp15 61 api.2ip.ua 162.0.217.254, 443, 49704 ACPCA Canada 28->61 63 192.168.2.1 unknown unknown 28->63
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2023-03-25 22:52:10 UTC
File Type:
PE (Exe)
Extracted files:
4
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
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:
46f28f5fa19ee14dd27bd16e1827354d430bd332de898bb5d916e6799fa95407
MD5 hash:
c7596ee4da6284b9c859155e4cc467b4
SHA1 hash:
beef2f99aeff64d9cae97d51c003d99ead4e7c27
Detections:
Nymaim win_nymaim_g0 win_gcleaner_auto
SH256 hash:
11a445c9bc8db5d8fd73e99fdfb4a95c51a5bf16b2ede3df9f274508cb1c8b46
MD5 hash:
cee144dc39608edf58059a2d5a4f9ac3
SHA1 hash:
564ed3ea37753df2e63d90da5797797302cea742
SH256 hash:
77a0d2ab6f210a06ced28c1202888ff6950ba6cd2d323008a18661493f18e870
MD5 hash:
c20a33a7e854f6b23f142a499e3e66b8
SHA1 hash:
0931830e1349eaec216ac5aaa5b0220aa4f0d33c
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