MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 081312cf1c09e5a743ce3d72e3d656be5be621d810163f829394821c2aedddc6. 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: 11


Intelligence 11 IOCs YARA 10 File information Comments
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SHA256 hash: 081312cf1c09e5a743ce3d72e3d656be5be621d810163f829394821c2aedddc6
SHA3-384 hash: c901403d109333b30d8ad8db3ccc8f385c2b677657dd99e34a5c3b1ec38b9979412a3536b71d1d13f68d4199ea5319d0
SHA1 hash: e43af8272ae197e10a81a556e2ab7866400bcf9c
MD5 hash: 43920eda8f18118b4ffa198ceddab6fc
humanhash: monkey-carbon-zulu-finch
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:261'120 bytes
First seen:2023-10-05 10:25:30 UTC
Last seen:2023-10-05 11:42:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b2deb6462ddc9e096b1ba263bc3b3e01 (2 x Stealc, 2 x Tofsee, 2 x GCleaner)
ssdeep 3072:hWrYrl9b+dmXJXoI9TrCyqUhE/hVEFsQJSXiQP1wJDTUq458T0:YrYrLHXoI9ayXG/XEFsQJSXBdwJUqC
Threatray 114 similar samples on MalwareBazaar
TLSH T1B744F1223A50D472CF5747704824CBA4AA7EB47296D5867733982ABF6F30FF0972A345
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 0010409030100800 (1 x GCleaner)
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 :
3
# of downloads :
304
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
Gathering data
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/081312cf1c09e5a743ce3d72e3d656be5be621d810163f829394821c2aedddc6
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:
Oski Stealer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/64533fff-2354-441b-b22c-93f4cc9aae8f
Result
Threat name:
Stealc, Vidar, onlyLogger
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1320158
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)
Found evasive API chain (may stop execution after checking locale)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Overwrites Mozilla Firefox settings
Sample uses string decryption to hide its real strings
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected onlyLogger
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1320158 Sample: file.exe Startdate: 05/10/2023 Architecture: WINDOWS Score: 100 53 aidandylan.top 2->53 55 script.googleusercontent.com 2->55 57 2 other IPs or domains 2->57 65 Snort IDS alert for network traffic 2->65 67 Multi AV Scanner detection for domain / URL 2->67 69 Found malware configuration 2->69 71 11 other signatures 2->71 10 file.exe 20 2->10         started        signatures3 process4 dnsIp5 59 aidandylan.top 85.143.221.30, 49693, 49694, 49701 TRADERSOFTRU Russian Federation 10->59 61 5.42.64.10, 49691, 49692, 80 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 10->61 63 2 other IPs or domains 10->63 47 C:\Users\user\AppData\...\3408856079.exe, PE32 10->47 dropped 49 C:\Users\user\AppData\...\syncUpd[1].exe, PE32 10->49 dropped 51 C:\Users\user\AppData\...\syncUpd[1].exe, PE32 10->51 dropped 81 Detected unpacking (changes PE section rights) 10->81 83 Detected unpacking (overwrites its own PE header) 10->83 15 cmd.exe 1 10->15         started        17 cmd.exe 1 10->17         started        19 WerFault.exe 22 16 10->19         started        file6 signatures7 process8 process9 21 3408856079.exe 54 15->21         started        25 conhost.exe 15->25         started        27 taskkill.exe 1 17->27         started        29 conhost.exe 17->29         started        file10 39 C:\Users\user\AppData\...\softokn3[1].dll, PE32 21->39 dropped 41 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 21->41 dropped 43 C:\Users\user\AppData\...\mozglue[1].dll, PE32 21->43 dropped 45 9 other files (5 malicious) 21->45 dropped 73 Multi AV Scanner detection for dropped file 21->73 75 Detected unpacking (changes PE section rights) 21->75 77 Detected unpacking (overwrites its own PE header) 21->77 79 6 other signatures 21->79 31 cmd.exe 1 21->31         started        33 WerFault.exe 21 16 21->33         started        signatures11 process12 process13 35 conhost.exe 31->35         started        37 timeout.exe 1 31->37         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/081312cf1c09e5a743ce3d72e3d656be5be621d810163f829394821c2aedddc6/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2023-10-05 10:26:05 UTC
File Type:
PE (Exe)
Extracted files:
10
AV detection:
20 of 23 (86.96%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=bajrfty4bhs2oq6ohvzohvswxzn6mioycald7autssbbykxn3xda._file
Verdict:
malicious
Similar samples:
134a9c039c8bd677ce4cb6cab52ee0a1d52a4fe3ff21600871ee38b9a629789b
GCleaner
1837622fbafa47eb30d479df4f4c97e41e54c9f65c99859b9b4ef195fa9bcdbc
GCleaner
55df033fe62f9b849870c10e28db0432cb4287e278cfc80acc3d113a6887513d
GCleaner
6e75be092dacc4f00da72baf4ea2d7fcc84220ec04f213e0b14eed89004f4ae0
GCleaner
a1d841ce7d37bf840f5093620aac706b9c5ad87b986462dc131f2dc577aa59f7
GCleaner
a36f57a8a85068b665998f143867ff57a4cad4e24f66acf48cef697df2e9ec86
GCleaner
beca325649a048fb9d8517b206b82f94a0663138725660ee957b75e8d5ebe494
GCleaner
d37b53f23353eede338e7d30afadc73cd4ca9e1f010367925e70502c4c27bd95
GCleaner
dbee3dbe90cbe6fefd612f476a0f8e34f0f74bdd4785db3adc424efaff3f3ac4
GCleaner
+ 104 additional samples on MalwareBazaar
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:stealc discovery spyware stealer
Link:
https://tria.ge/reports/231005-mghw8acc27/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks computer location settings
Deletes itself
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Stealc
Malware Config
C2 Extraction:
http://aidandylan.top
Unpacked files
SH256 hash:
055917c53bcbfd2bbcd4d428cf08d45afdecefc99605328bb2ac6fd2a9df9f7c
MD5 hash:
dd3e2766fed2e5b8619097ef27ae78a3
SHA1 hash:
905af3c4efa701627a90230686eb8c372b44bf19
Link:
https://www.unpac.me/results/b378fe2a-8293-4f1e-a386-58cb26f4ac18/
Parent samples :
87c9f6da1bde1c4762477b55c8fbd4f821464f23669c08eef59df00adc438a37
12cd64a6d63eb4c7ae10c011a65ea69f9ce0022197d39cb454cc63fc7e147f78
658d9ea4093e492a0f1a8cc6e054e65d2ea30f22fd179b1e1ca58c17618690e9
a4f2367e3e2e9a8ce919fde4522d4a347e30fa7625ff391b082a5c830acb1a76
030c0eab77f63f34b1d09730a8d01a6e5c128c564f75e8f24dddf1a9c1917507
53d10bf98c4e290949b6efe10418a674c737c837ad85fcd47baeeaaa8d72ddcf
92f8faa5180fb698b2313532039b120227e32255dfacf2b3139a4b3734a1fe0c
SH256 hash:
081312cf1c09e5a743ce3d72e3d656be5be621d810163f829394821c2aedddc6
MD5 hash:
43920eda8f18118b4ffa198ceddab6fc
SHA1 hash:
e43af8272ae197e10a81a556e2ab7866400bcf9c
Link:
https://www.unpac.me/results/b378fe2a-8293-4f1e-a386-58cb26f4ac18/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/081312cf1c09/report/overview.html
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/081312cf1c09e5a743ce3d72e3d656be5be621d810163f829394821c2aedddc6

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
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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/

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