MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 898501afd8a8465d1fe0606f5e7f660bea9b70d542931afaa1c203b21d825b58. 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: 16


Intelligence 16 IOCs YARA 3 File information Comments

SHA256 hash: 898501afd8a8465d1fe0606f5e7f660bea9b70d542931afaa1c203b21d825b58
SHA3-384 hash: ddc47daaff7d0ff0807f87fb3ea728793f0842d6b0fa390906f5696663ed6cd95867ac8e0af8012c86b223ac116877e8
SHA1 hash: d5fc4b58be82980a9298bd60100b0fb3bda92b8e
MD5 hash: d02b1d6b90304484008580a8ec3505dd
humanhash: sixteen-romeo-uncle-foxtrot
File name:file
Download: download sample
Signature GCleaner
File size:2'595'004 bytes
First seen:2022-10-29 01:16:44 UTC
Last seen:2022-10-29 01:44:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'445 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:Z2HSekqQL9UiHoMBIBn+ojUI3w3lfpEg92YSL4cY0+QA5hq:MHF7QZUGQ9R6FSwNPDq
TLSH T133C53392E2B9CE35C01088F00E2EC526EE776695613DB51B66CC66BD9F360C4CBC9F61
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 :
10
# of downloads :
370
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-29 01:20:11 UTC
Tags:
installer loader evasion trojan ficker stealer opendir

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
Creating a file in the Windows subdirectories
Launching a process
Using the Windows Management Instrumentation requests
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:
MALICIOUS
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:
96 / 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 domain / URL
Multi AV Scanner detection for dropped file
Yara detected Nymaim
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 733367 Sample: file.exe Startdate: 29/10/2022 Architecture: WINDOWS Score: 96 47 45.139.105.1 CMCSUS Italy 2->47 49 85.31.46.167 CLOUDCOMPUTINGDE Germany 2->49 51 Multi AV Scanner detection for domain / URL 2->51 53 Antivirus detection for URL or domain 2->53 55 Detected unpacking (changes PE section rights) 2->55 57 4 other signatures 2->57 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-AKJGI.tmp, PE32 10->31 dropped 13 is-AKJGI.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 fbsearcher62.exe 25 13->16         started        process8 dnsIp9 41 107.182.129.235, 49701, 80 META-ASUS Reserved 16->41 43 171.22.30.106, 49702, 80 CMCSUS Germany 16->43 45 45.139.105.171, 49700, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\...\MB183BWzqp4WO5.exe, PE32 16->29 dropped 20 MB183BWzqp4WO5.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:
2022-10-29 01:17:10 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
17 of 26 (65.38%)
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 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
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:
fc695ca00571d1fa39caf89724f371a83e7f00d1d94e0cb31d929e6a71ba9005
MD5 hash:
3e9283e22b27cb1c3a19022d692da67e
SHA1 hash:
0590ae9c0f281e8e9b6f2b67e952b5fe24e2d344
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
21a3a46d7f9f60bd43bb97bc80bbb334796f7037c1edc4763fe6990f5d2d24fb
MD5 hash:
0a354dac6fe804abbb4db91174130e7f
SHA1 hash:
7d61fb94b9af93d0f29bb8c2a0c180a4d425f712
SH256 hash:
898501afd8a8465d1fe0606f5e7f660bea9b70d542931afaa1c203b21d825b58
MD5 hash:
d02b1d6b90304484008580a8ec3505dd
SHA1 hash:
d5fc4b58be82980a9298bd60100b0fb3bda92b8e
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