MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f8b076fd202b4b01820c25e318b9defcf586b112cf221d92130674e89c738122. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments

SHA256 hash: f8b076fd202b4b01820c25e318b9defcf586b112cf221d92130674e89c738122
SHA3-384 hash: ced8b22354c4d66d94078e43ed1b50ec04a8885d3bd481eb1a376ac095db307f933496764461f1d42bfe8044dda766c9
SHA1 hash: 5c2dbafe4217d8fe596f869bab87b1b6f157ec83
MD5 hash: 77070f04cf6baf7ff21d68ea3278a409
humanhash: mango-snake-potato-sierra
File name:file
Download: download sample
Signature GCleaner
File size:2'552'148 bytes
First seen:2022-10-22 14:01:04 UTC
Last seen:2022-10-22 14:30:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'446 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:Z2QcrXA8FHA5Ehb+lPVEQIJkVKoaVjIHQgOfxPgA5hq:MlrXA8Fg5Eh9QIiSYWPfDq
TLSH T107C5334291B78F75C0D688F42F3E563ABBFAFDA2143C5A10B158AACC4B325C58874797
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://95.214.24.96/load.php?pub=mixinte

Intelligence


File Origin
# of uploads :
16
# of downloads :
284
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-22 14:03:46 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
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
Moving a recently created file
Modifying a system file
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Creating a file in the system32 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:
Likely Malicious
Threat level:
  7.5/10
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:
88 / 100
Signature
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)
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: 728169 Sample: file.exe Startdate: 22/10/2022 Architecture: WINDOWS Score: 88 47 45.139.105.1 CMCSUS Italy 2->47 49 85.31.46.167 CLOUDCOMPUTINGDE Germany 2->49 51 Antivirus detection for URL or domain 2->51 53 Detected unpacking (changes PE section rights) 2->53 55 Detected unpacking (overwrites its own PE header) 2->55 57 3 other signatures 2->57 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-N687F.tmp, PE32 10->31 dropped 13 is-N687F.tmp 16 25 10->13         started        process6 file7 33 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 13->33 dropped 35 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 13->35 dropped 37 C:\...\unins000.exe (copy), PE32 13->37 dropped 39 4 other files (2 malicious) 13->39 dropped 16 epsearcher56.exe 25 13->16         started        process8 dnsIp9 41 107.182.129.235, 49704, 80 META-ASUS Reserved 16->41 43 171.22.30.106, 49705, 80 CMCSUS Germany 16->43 45 45.139.105.171, 49703, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\...\jL1lZIXLKCV9d.exe, PE32 16->29 dropped 20 jL1lZIXLKCV9d.exe 16->20         started        23 cmd.exe 1 16->23         started        file10 process11 signatures12 59 Multi AV Scanner detection for dropped file 20->59 25 taskkill.exe 1 23->25         started        27 conhost.exe 23->27         started        process13
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2022-10-22 14:15:50 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:nymaim discovery trojan
Behaviour
Kills process with taskkill
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
Loads dropped DLL
Executes dropped EXE
NyMaim
Malware Config
C2 Extraction:
45.139.105.171
85.31.46.167
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
0438d9886ff2847011087700ed41f425804897ad42fc7bfc8f1fa3b1c22cbf54
MD5 hash:
6ea7c5a9b2cdab55809846f343db97f5
SHA1 hash:
7ab717c00a3cbfaa07058532b5fd3b1e11cc4daf
Detections:
win_nymaim_g0 win_gcleaner_auto
SH256 hash:
370b4775726df7b8be4b5d4d74d7b7332bde198c20e3c1d6f4548ea98fabc7a7
MD5 hash:
2531f14cc0630a5534a9209d6fe58792
SHA1 hash:
c61f09a4f113c7234bbd26a5d4440a629109bfa7
SH256 hash:
0f86b55399f0a26f18c4db3b1d1980667c6e8d7cb37576bb6e0395e638b91cb7
MD5 hash:
289223ba780ea4b65fdb4dd97b59f875
SHA1 hash:
781a20ac9b7d28f00fef02c169c6d785b4f9dea9
SH256 hash:
f8b076fd202b4b01820c25e318b9defcf586b112cf221d92130674e89c738122
MD5 hash:
77070f04cf6baf7ff21d68ea3278a409
SHA1 hash:
5c2dbafe4217d8fe596f869bab87b1b6f157ec83
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:CAS_Malware_Hunting
Author:Michael Reinprecht
Description:DEMO CAS YARA Rules for sample2.exe
Rule name:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
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