MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8bfe3e42fd000bf626a8586398a939429094382477246c864c0c79aa98253d64. 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: 8bfe3e42fd000bf626a8586398a939429094382477246c864c0c79aa98253d64
SHA3-384 hash: 594bc4cda2da70d79a4ba54cae10f1deab1530d7d4dba110d182d231b8ef775408dfa2c2442ea298c7045028ca7b9acf
SHA1 hash: e25817338fd8c4c53638dc7e8ad59838750bcdc7
MD5 hash: f8165de24870859ce07b94948cd336b5
humanhash: arkansas-zulu-october-lemon
File name:file
Download: download sample
Signature GCleaner
File size:3'017'917 bytes
First seen:2022-11-03 16:48:28 UTC
Last seen:2022-11-03 17:12:58 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:Z2W6EqNO+cGSXYPFGpcxPRwvY0FYc7IWR+R9diyNT4ly+Fh/J5gA5hq:MWJencGSIPF3P8vandO/Dq
TLSH T166D53397CF640973D580D170CC2A6AE6097BB9661DB477329F9CC086AF775C0A80F7A2
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 :
11
# of downloads :
214
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-11-03 16:51:32 UTC
Tags:
installer evasion loader trojan ficker stealer vidar opendir

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

Behaviour
Searching for the window
Creating a file in the %temp% subdirectories
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Creating a file in the Program Files subdirectories
Moving a file to the Program Files subdirectory
Modifying a system file
Searching for synchronization primitives
Creating a file in the %AppData% subdirectories
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
Launching a process
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:
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 dropped file
Multi AV Scanner detection for submitted file
Yara detected Nymaim
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 737257 Sample: file.exe Startdate: 03/11/2022 Architecture: WINDOWS Score: 96 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 Multi AV Scanner detection for submitted file 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-9VOTD.tmp, PE32 10->31 dropped 13 is-9VOTD.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 fnsearcher68.exe 24 13->16         started        process8 dnsIp9 41 107.182.129.235, 49709, 80 META-ASUS Reserved 16->41 43 171.22.30.106, 49710, 80 CMCSUS Germany 16->43 45 45.139.105.171, 49708, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\...\WTaBuc0hzpo1Dl.exe, PE32 16->29 dropped 20 WTaBuc0hzpo1Dl.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.Injuke
Status:
Malicious
First seen:
2022-11-03 16:49:09 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
19 of 26 (73.08%)
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:
7e61fbc9b0ce4f7992722bc25a7955ae889590a9432dcf36fb1ff99953fcbea1
MD5 hash:
fca4393bdd5e94aadd58a4a4b664b128
SHA1 hash:
f823e3739d5772fe10c1ffd882525ba7093647d1
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
29667dfc18b5e0b4fcf1660b683717f7a35f05082f09d004b90dd0963cb989fa
MD5 hash:
5546ebecfbad7d943738a96e62e5bf94
SHA1 hash:
c3cb82b7a2a7530d3a64041da46894fdd1e999e9
SH256 hash:
3b40e51d6053b33af217bf345f7a3479ecb7bba6737cac41a14ffb8922dff940
MD5 hash:
c8a183a8092f230fc02defed6a10bfeb
SHA1 hash:
58509d94f330dea52c4ae7939f5093ef3d7f37aa
SH256 hash:
8bfe3e42fd000bf626a8586398a939429094382477246c864c0c79aa98253d64
MD5 hash:
f8165de24870859ce07b94948cd336b5
SHA1 hash:
e25817338fd8c4c53638dc7e8ad59838750bcdc7
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