MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3ef1e7a8323b8128f5ff3d96b12d47d9adbc5dcb00365f05917a2bc475389286. 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: 3ef1e7a8323b8128f5ff3d96b12d47d9adbc5dcb00365f05917a2bc475389286
SHA3-384 hash: 0a0bb425a6cb3efba0d537e487e656a691001189f1d00566b0c228031817e34fd8f9f2c5f72e0a65066cc1bf0ab5bb49
SHA1 hash: d1870de529d937a2177a6dbdfbf066f77ae8abe8
MD5 hash: 691e49ac89d3114b017c276257dcb3d2
humanhash: cardinal-oklahoma-venus-high
File name:file
Download: download sample
Signature GCleaner
File size:2'435'642 bytes
First seen:2022-10-27 09:16:01 UTC
Last seen:2022-10-27 09:44:30 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:Z2QM+MRnKUZyiB0Z+gErOW/iHKl5QBYo9VKjFFkbZ9Xv9xokR5Ulyh4ClxLA5hq:MAM4ZLMJYKloYAQabHXvLokRSMSCwDq
TLSH T1D0B5330FB783EEB1F0B15AB49629472711B1783621749823BBAC05976E33F14E6097E7
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 :
12
# of downloads :
243
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-27 09:18:20 UTC
Tags:
installer evasion loader trojan stealer opendir vidar ficker

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
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 domain / URL
Multi AV Scanner detection for dropped file
Yara detected Nymaim
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 731791 Sample: file.exe Startdate: 27/10/2022 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-3LR7T.tmp, PE32 10->31 dropped 13 is-3LR7T.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 ezsearcher61.exe 25 13->16         started        process8 dnsIp9 41 107.182.129.235, 49697, 80 META-ASUS Reserved 16->41 43 171.22.30.106, 49698, 80 CMCSUS Germany 16->43 45 45.139.105.171, 49696, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\Roaming\...\toTcaP.exe, PE32 16->29 dropped 20 toTcaP.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:
2022-10-27 09:23:37 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
Gathering data
Unpacked files
SH256 hash:
f03a9e5579b1cde7aa361ec26905d6a505db8630f8e86df4ffe04925e3d56a83
MD5 hash:
8acdcb090557661aa8089c73efdde5a0
SHA1 hash:
7f5666967ed05b10c0127b7ebf66b3bb2a27ccb1
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
4c5a465cdb1433ed3dcdb85269ab3f3f2a03289ebb4ff69f3118804911ffe668
MD5 hash:
d1d8b7456107cde02357747bb37a075b
SHA1 hash:
da2afbc709c5e39f23e03a912f2d70fded31bc9c
SH256 hash:
3ef1e7a8323b8128f5ff3d96b12d47d9adbc5dcb00365f05917a2bc475389286
MD5 hash:
691e49ac89d3114b017c276257dcb3d2
SHA1 hash:
d1870de529d937a2177a6dbdfbf066f77ae8abe8
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