MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f37078d233ceec2e7e54209f75ae74f783121e9d7fcd13913a2b6d2b5fb66639. 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: f37078d233ceec2e7e54209f75ae74f783121e9d7fcd13913a2b6d2b5fb66639
SHA3-384 hash: e0ec092b9fa42f41d4ca4c06879d61a6ff0914bdc5604ac6318b7c10e7e9ce0f7b7b9c3cd420bbdce64e1d320eb76de6
SHA1 hash: 2d310844c324005f281b1b7fa106162050ab99cf
MD5 hash: b5dfc6ce0e7fe6451192255c6ffc3a4b
humanhash: black-sodium-carpet-triple
File name:file
Download: download sample
Signature GCleaner
File size:2'605'943 bytes
First seen:2022-11-02 17:46:25 UTC
Last seen:2022-11-02 18:13:39 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:Z2J5ueNlzXIIq6Gs2X1URAdxbaOBVDBLqo5jM145thG3/PZWSPMeqVLS6X1BWXAW:MJgSzXIbs2XqR2thEqG3/7u3Dq
TLSH T1FCC5330FF8E84578C07159F118AE8D77A773ED21262E309579DC056E9E3AF0968086FB
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 :
8
# of downloads :
257
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-11-02 17:48:39 UTC
Tags:
installer loader stealer

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
Searching for synchronization primitives
Sending an HTTP GET request
Creating a file in the %AppData% 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: 736234 Sample: file.exe Startdate: 02/11/2022 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-LPMJK.tmp, PE32 10->31 dropped 13 is-LPMJK.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 flsearcher67.exe 25 13->16         started        process8 dnsIp9 41 107.182.129.235, 49690, 80 META-ASUS Reserved 16->41 43 171.22.30.106, 49691, 80 CMCSUS Germany 16->43 45 45.139.105.171, 49686, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\...\43WGzjSn6cR.exe, PE32 16->29 dropped 20 43WGzjSn6cR.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
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:
5e56c58e76aab750d02e6da8c2abf4c2a6db692e88d04c6ffab0fbf46c2c0585
MD5 hash:
84026d6d88d8f1cc131ea9ffc8273f8b
SHA1 hash:
5cc08ea1bc1c69173aea09fed4429eb1879ce452
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
323f555793af5bb8c5cae0e655fa2104c638c9bea480f52261ee2e0501476561
MD5 hash:
a4a65b014344fcce064412bc59ff6881
SHA1 hash:
9c35f49f2c6b11fe35d5428e5cef7cc4409b453c
SH256 hash:
d02b01926e77f8995f5bd95b0c9a542a22aaa29ee29c17561b4f03a2cc0fb69c
MD5 hash:
d7960b246282d040e4695c61a7167ea7
SHA1 hash:
5cda372a0997b19cf7b47f0d784077e025f355f8
SH256 hash:
f37078d233ceec2e7e54209f75ae74f783121e9d7fcd13913a2b6d2b5fb66639
MD5 hash:
b5dfc6ce0e7fe6451192255c6ffc3a4b
SHA1 hash:
2d310844c324005f281b1b7fa106162050ab99cf
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