MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 27b57ec9015a42bffd3ba9ada2b69802e77051909726b17dee69438f850abe77. 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: 10


Intelligence 10 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 27b57ec9015a42bffd3ba9ada2b69802e77051909726b17dee69438f850abe77
SHA3-384 hash: f22bc7836b0be0485367848169c92d61d5f4ee2c2241c1a9329954cf6aa58bbfc41339b919766c03134d140c7c894428
SHA1 hash: 4b1e34ad8e238fa7786ff0614ee3ee5e50f66c73
MD5 hash: 50972c7725f5ecafca23892c62596e01
humanhash: march-four-comet-august
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:258'560 bytes
First seen:2023-10-06 04:07:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d3c94bb73994a0063781772af4feb487 (3 x Smoke Loader, 2 x GCleaner)
ssdeep 6144:HdG+yiTfdeDB/uLOPA0CqPKWVckftb3yfgJ:H4+yiTdA/uCI09isfpCo
Threatray 87 similar samples on MalwareBazaar
TLSH T1714402217950C873C05764758831CBACEB79F861996A894F33A82BBE9E303C1E73B754
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 000808080a030600 (1 x GCleaner, 1 x Stop, 1 x Smoke Loader)
Reporter andretavare5
Tags:exe gcleaner


Avatar
andretavare5
Sample downloaded from http://5.42.64.10/api/files/software/s2.exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
326
Origin country :
US US
Vendor Threat Intelligence
Detection(s):
Win.Packer.pkr_ce1a-9980177-0
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Sending a custom TCP request
Gathering data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/651f8823f5e3ca1b0162adf6/reports/8f8ff2f1-8f4b-4052-80f1-9930d1bda5d0/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/27b57ec9015a42bffd3ba9ada2b69802e77051909726b17dee69438f850abe77
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:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/48d5b44a-c273-40db-a54b-b5d08dff058a
Result
Threat name:
onlyLogger
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1320710
Signature
Antivirus detection for URL or domain
Creates HTML files with .exe extension (expired dropper behavior)
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 domain / URL
Multi AV Scanner detection for submitted file
Yara detected onlyLogger
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/27b57ec9015a42bffd3ba9ada2b69802e77051909726b17dee69438f850abe77/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2023-10-06 04:08:05 UTC
File Type:
PE (Exe)
Extracted files:
10
AV detection:
19 of 23 (82.61%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=e62x5sibljbl77j3vgw2fnuyaltxaumqs4tlc7ponfby7bikxz3q._file
Verdict:
malicious
Similar samples:
095a2bb6539c034a60a7a07f4d507764adde59588e22952b387af48801f042f0
GCleaner
1837622fbafa47eb30d479df4f4c97e41e54c9f65c99859b9b4ef195fa9bcdbc
GCleaner
3c384c9d8c7d64f86d8506f713191cd90b83ec734a19137ce86f13067bbc426c
GCleaner
3d03eed9848645fde88610e9d0b08070dfa6713264111e1eea6911dfa2bef751
GCleaner
6e75be092dacc4f00da72baf4ea2d7fcc84220ec04f213e0b14eed89004f4ae0
GCleaner
beca325649a048fb9d8517b206b82f94a0663138725660ee957b75e8d5ebe494
GCleaner
cc52ee754ae49718a49352cab0d0f4c44876e46241f7801aa3a911670361e2f1
GCleaner
d64061edbb7be2e6c37f10774b44fbbd137ea7bc2410bf0dd79b1ba970e0b948
GCleaner
dbee3dbe90cbe6fefd612f476a0f8e34f0f74bdd4785db3adc424efaff3f3ac4
GCleaner
+ 77 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/231006-ep7xbagh6z/
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:
055917c53bcbfd2bbcd4d428cf08d45afdecefc99605328bb2ac6fd2a9df9f7c
MD5 hash:
dd3e2766fed2e5b8619097ef27ae78a3
SHA1 hash:
905af3c4efa701627a90230686eb8c372b44bf19
Link:
https://www.unpac.me/results/d4ca700e-b7cd-4d37-8ce5-19fa268e2cb1/
Parent samples :
87c9f6da1bde1c4762477b55c8fbd4f821464f23669c08eef59df00adc438a37
12cd64a6d63eb4c7ae10c011a65ea69f9ce0022197d39cb454cc63fc7e147f78
658d9ea4093e492a0f1a8cc6e054e65d2ea30f22fd179b1e1ca58c17618690e9
a4f2367e3e2e9a8ce919fde4522d4a347e30fa7625ff391b082a5c830acb1a76
030c0eab77f63f34b1d09730a8d01a6e5c128c564f75e8f24dddf1a9c1917507
53d10bf98c4e290949b6efe10418a674c737c837ad85fcd47baeeaaa8d72ddcf
92f8faa5180fb698b2313532039b120227e32255dfacf2b3139a4b3734a1fe0c
SH256 hash:
27b57ec9015a42bffd3ba9ada2b69802e77051909726b17dee69438f850abe77
MD5 hash:
50972c7725f5ecafca23892c62596e01
SHA1 hash:
4b1e34ad8e238fa7786ff0614ee3ee5e50f66c73
Link:
https://www.unpac.me/results/d4ca700e-b7cd-4d37-8ce5-19fa268e2cb1/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/27b57ec9015a42bffd3ba9ada2b69802e77051909726b17dee69438f850abe77

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MALWARE_Win_OnlyLogger
Create hunting rule
Author:ditekSHen
Description:Detects OnlyLogger loader variants
Rule name:Windows_Trojan_Smokeloader_3687686f
Create hunting rule
Author:Elastic Security
Rule name:win_gcleaner_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.gcleaner.
Rule name:yara_template
Create hunting rule

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
  
URLhaus
https://urlhaus.abuse.ch/url/2716172/

Comments