MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 18d3935ee40dffa59b390df8f2544c8a08ab9d5f997b57940b843356127ead92. 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 4 File information Comments

SHA256 hash:	18d3935ee40dffa59b390df8f2544c8a08ab9d5f997b57940b843356127ead92
SHA3-384 hash:	85a9a3c0283a2e65fed06844715c1da01700363ff5d090e60f8e45bc3a1f073969c45e883cf9a102ed32a4ef94f0d5ca
SHA1 hash:	00de607eb0d08dd7936211f25ea4019443e52dd1
MD5 hash:	6d81636af92fae98c45898823e103e4f
humanhash:	quebec-earth-equal-river
File name:	6d81636af92fae98c45898823e103e4f.exe
Download:	download sample
Signature	GCleaner Create hunting rule
File size:	1'885'184 bytes
First seen:	2024-12-20 15:09:12 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	2eabe9054cad5152567f0699947a2c5b (2'852 x LummaStealer, 1'312 x Stealc, 1'026 x Healer)
ssdeep	49152:68r/m5hvfYMDdSb3mwBU32R86KF+aZTZR757Tq0Ze:6i6v7ImwBUmRtMTZR79Tq0Z
TLSH	T1F09533CBE8F7676CD467433279AE24563AE16D81B912452CB13E8B648C3F6C332D5C98
TrID	27.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 20.8% (.EXE) Win16 NE executable (generic) (5038/12/1) 18.6% (.EXE) Win32 Executable (generic) (4504/4/1) 8.5% (.ICL) Windows Icons Library (generic) (2059/9) 8.3% (.EXE) OS/2 Executable (generic) (2029/13)
Magika	pebin
File icon (PE):
dhash icon	ceab9d9aa6d36915 (23 x GCleaner)
Reporter	abuse_ch
Tags:	exe gcleaner

Intelligence

File Origin

# of uploads :

# of downloads :

370

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

6d81636af92fae98c45898823e103e4f.exe

Verdict:

Malicious activity

Analysis date:

2024-12-20 15:14:09 UTC

Tags:

gcleaner loader themida

Link:

https://app.any.run/tasks/7fdf5acc-32e7-42b8-8c7f-1725102db9ce

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection(s):

SecuriteInfo.com.Win32.PWSX-gen.32388.3587.UNOFFICIAL

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=676588d075bf3268d2fd3ae8

Tags:

vmdetect cobalt

Result

Verdict:

Clean

Maliciousness:

Behaviour

Сreating synchronization primitives

Searching for analyzing tools

Searching for the window

Connection attempt

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

anti-vm anti-vm microsoft_visual_cc packed packed packer_detected

Link:

https://www.filescan.io/uploads/676588cedfd3fc9d659de5e5/reports/3de4dd18-2678-42dc-84b2-9564fa436dc2/overview

Verdict:

Malicious

Labled as:

Tedy.Generic

Link:

https://www.hybrid-analysis.com/sample/18d3935ee40dffa59b390df8f2544c8a08ab9d5f997b57940b843356127ead92

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.

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/869b1b04-bfb7-4516-818a-6cbedc51fb4d

Result

Threat name:

n/a

Detection:

malicious

Classification:

evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1578930

Signature

AI detected suspicious sample

Antivirus / Scanner detection for submitted sample

Detected unpacking (changes PE section rights)

Hides threads from debuggers

Machine Learning detection for dropped file

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

PE file contains section with special chars

Tries to detect process monitoring tools (Task Manager, Process Explorer etc.)

Tries to detect sandboxes / dynamic malware analysis system (registry check)

Tries to detect sandboxes and other dynamic analysis tools (window names)

Tries to detect virtualization through RDTSC time measurements

Tries to evade debugger and weak emulator (self modifying code)

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/18d3935ee40dffa59b390df8f2544c8a08ab9d5f997b57940b843356127ead92

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/18d3935ee40dffa59b390df8f2544c8a08ab9d5f997b57940b843356127ead92/

Threat name:

Win32.Trojan.Amadey

Status:

Malicious

First seen:

2024-12-20 05:44:10 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

19 of 23 (82.61%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=ddjzgxxebx72lgzzbx4pevcmriekxhk7tf5vpfalqqzvmet6vwja._file

Result

Malware family:

gcleaner

Score:

10/10

Tags:

family:gcleaner discovery evasion loader

Link:

https://tria.ge/reports/241220-sj3bjaypfl/

Behaviour

Suspicious behavior: EnumeratesProcesses

Enumerates physical storage devices

Program crash

System Location Discovery: System Language Discovery

Suspicious use of NtSetInformationThreadHideFromDebugger

Checks BIOS information in registry

Identifies Wine through registry keys

Loads dropped DLL

Downloads MZ/PE file

Identifies VirtualBox via ACPI registry values (likely anti-VM)

GCleaner

Gcleaner family

Verdict:

Unknown

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/113f3394-9d19-427e-9dd1-027fdef4ed81

Unpacked files

SH256 hash:

9a5a61de316d081f4ab63cb945d602ffada90aaea4ce0aa3b8fd99e664b496cf

MD5 hash:

b1f6fd696b25768a4fe867ee7c28d95b

SHA1 hash:

0aa927d3699a3e4f0cd2835461ca67b61e15c9ce

Detections:

GCleaner

Link:

https://www.unpac.me/results/fc2214a4-c956-4bda-ad80-7c421dbff58e/

Parent samples :

7be3016ad7251eda873c02c362243710b73620c595a9ca34bd0a7c0f2055b11f
83709123b921be43ef4f8bcab88738b7e3f6b810fb443da8f447a287fa5d86ae
b53ffd4fc8c3b8759852c9742c3e26b4e3b8ba115ca15229a235db74f59a82db
3ed31a41ff5e2ffec4dba349fb5fd434eebc72d1426eb0a220b22e5ededaae23
0bc701ef4388791bada9941de033f45c0aea4839ea7c5067ff15d20f452ad1c1
4463effeb9799edfe6c07776f1e044718792fabb6ea103b9ee016e5efd21a985
ec2349f4f55242a8328a7f11c5013a7525fa05aa18a680c1d82f2d6d93e6e1ad
18d3935ee40dffa59b390df8f2544c8a08ab9d5f997b57940b843356127ead92
a324acc96508f28104aa5405783170e94920f75a4f07751583b97e18bb98deb2
9afad313fdb3a41015ec415280986b4d596b1dc07bcc46b49f5bee6fcf5fb54c
0e5c004b6ac8fd180951d14352e8eb0e4b9b3d4e32dbeaa194a7af7c77d3b4d7
4f5964f723a825e1dbb6884aa47a5d7dd01d6241db1a40e33836b1964f24eab6
0249c4c6a5a773c57b3dac1ec14e0ab27f72c3a125e93e626257495e23b99176
fcc27becee21aa87e91ae0268de2275ad475d38a6269b0812e033fb434ec3105
4ab95ea452e96d4da80d28b999f5bf4d93453f45b2d270d962e3389f7c0b9ee3
1ada4287ce3b32605a713ee1c2d77ffe06f3b1309c2022f6eee4d2047177e2d6
c0841e727c960b28e71953a91d3d296692bd6494d322658581f15d20228f6ece
7a72da05bf6104c2cde24b0fd81d45d3e77f88aed1861d43938a1466b6ec3072
674469619208e5e3104487b74fab44343f5d30bb32909c0b99ecfc97a8983e8c
fe759deb61edb63ba9c1ce351b7dcee8a816b7b68d034eef1fcd4e1331dc7eb3
43c564b5f2587149259e538dbdceef713c9463b0f930072b93fa1f3e4c1fad20

SH256 hash:

18d3935ee40dffa59b390df8f2544c8a08ab9d5f997b57940b843356127ead92

MD5 hash:

6d81636af92fae98c45898823e103e4f

SHA1 hash:

00de607eb0d08dd7936211f25ea4019443e52dd1

Link:

https://www.unpac.me/results/fc2214a4-c956-4bda-ad80-7c421dbff58e/

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:	pe_detect_tls_callbacks Create hunting rule

Rule name:	Sus_Obf_Enc_Spoof_Hide_PE Create hunting rule
Author:	XiAnzheng
Description:	Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

Rule name:	vmdetect Create hunting rule
Author:	nex
Description:	Possibly employs anti-virtualization techniques

File information

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

Web download

GCleaner

exe 18d3935ee40dffa59b390df8f2544c8a08ab9d5f997b57940b843356127ead92

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/3308787/

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/3331761/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high
CHECK_NX	Missing Non-Executable Memory Protection	critical
CHECK_PIE	Missing Position-Independent Executable (PIE) Protection	high

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