MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b1dfed83474f9ba5280e4efdd64a3b32f259625740dbbf8524001b823ce9539e. 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 6 File information Comments

SHA256 hash: b1dfed83474f9ba5280e4efdd64a3b32f259625740dbbf8524001b823ce9539e
SHA3-384 hash: f0be34be945722c5cee726cd32d9827b571fb12d3a4ed7340a5707b311b66123e32d5994a51ddc5a52545d776f80da34
SHA1 hash: 65c2361f50ddfb58b15d35cb541aa8a6d7463902
MD5 hash: c4d1c9ebda40f5668b75f0b730bde2b1
humanhash: early-ack-enemy-orange
File name:SecuriteInfo.com.Win32.TrojanX-gen.24169.28915
Download: download sample
Signature GCleaner
File size:323'072 bytes
First seen:2024-01-18 10:36:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 4f8e2cfb7a56570f82711379d2e1b928 (2 x Stealc, 2 x GCleaner, 2 x UACModuleSmokeLoader)
ssdeep 6144:HWu8FmB8XkJlsNC9XppntWZ5dMWKEQRcR:2u8FmBaClsNC9ZyIEH
TLSH T12A64AE10E2F48531F2B36A3D4974D3A50A3FB866EA31D58F3AD9167E5E34AD28720317
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 3370ccd2ccf033da (36 x Smoke Loader, 10 x Stealc, 8 x GCleaner)
Reporter SecuriteInfoCom
Tags:exe gcleaner

Intelligence


File Origin
# of uploads :
1
# of downloads :
333
Origin country :
FR FR
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Connecting to a non-recommended domain
Sending an HTTP GET request
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching the default Windows debugger (dwwin.exe)
Using the Windows Management Instrumentation requests
Launching a tool to kill processes
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
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.
Malware family:
Generic Malware
Verdict:
Malicious
Result
Threat name:
GCleaner
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Signature
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected GCleaner
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2024-01-18 10:37:08 UTC
File Type:
PE (Exe)
Extracted files:
46
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Kills process with taskkill
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Checks computer location settings
Deletes itself
Unpacked files
SH256 hash:
6a1cb6b2b3230503d4400366a21d8b81e772bc194ca6ca071eb448822c176fa5
MD5 hash:
68c58efa330393b980149c75b9f2b388
SHA1 hash:
a48324d537d3240ffbd127f29bd8c75c35ef0f7b
SH256 hash:
b1dfed83474f9ba5280e4efdd64a3b32f259625740dbbf8524001b823ce9539e
MD5 hash:
c4d1c9ebda40f5668b75f0b730bde2b1
SHA1 hash:
65c2361f50ddfb58b15d35cb541aa8a6d7463902
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:Windows_Generic_Threat_97c1a260
Author:Elastic Security
Rule name:Windows_Trojan_Smokeloader_3687686f
Author:Elastic Security

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

GCleaner

Executable exe b1dfed83474f9ba5280e4efdd64a3b32f259625740dbbf8524001b823ce9539e

(this sample)

  
Delivery method
Distributed via web download

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