MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8dd45c3deaa091c3bdde3456ffde09709d17802c57d4d6dbdf6fc5d5d1e3c8fc. 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 1 File information Comments

SHA256 hash: 8dd45c3deaa091c3bdde3456ffde09709d17802c57d4d6dbdf6fc5d5d1e3c8fc
SHA3-384 hash: 6b8795c6474983a8ebd432178ee46a9316f79e49e7c1a45d6c7b297e52b95362ec1b4d7f89953f3b7e1dd136c71ee796
SHA1 hash: 54e7b4001ff59286a31e4c3b29905f7e8bb1789a
MD5 hash: 6569eceef4279ce644844d4183d91a35
humanhash: cardinal-happy-oscar-oranges
File name:file
Download: download sample
Signature GCleaner
File size:261'120 bytes
First seen:2023-10-05 12:48:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b2deb6462ddc9e096b1ba263bc3b3e01 (2 x Stealc, 2 x Tofsee, 2 x GCleaner)
ssdeep 3072:3iyY7Rc0xtWBj4OsUPm2+GHYOcFci7OaMQrbN7WcAPAwlNOwjsOPWxDIkaNaL5sY:SyY7RKBMbUmGbcknE9WxYwztsPckaG
Threatray 116 similar samples on MalwareBazaar
TLSH T106440121F9A0D473C44B40398414CBA9AB7DB8B2E949C98F37681B7F6F317D1972A352
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 0010509010040000 (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 :
1
# of downloads :
280
Origin country :
US US
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP request
Gathering data
Gathering data
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
Verdict:
Malicious
Result
Threat name:
Stealc, Vidar, onlyLogger
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 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)
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 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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1320253 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 Found malware configuration 2->67 69 Malicious sample detected (through community Yara rule) 2->69 71 10 other signatures 2->71 10 file.exe 20 2->10         started        signatures3 process4 dnsIp5 59 aidandylan.top 85.143.221.30, 49692, 49693, 49703 TRADERSOFTRU Russian Federation 10->59 61 5.42.64.10, 49690, 49691, 80 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 10->61 63 2 other IPs or domains 10->63 47 C:\Users\user\AppData\...\8029198016.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 8029198016.exe 45 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       
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2023-10-05 12:49:06 UTC
File Type:
PE (Exe)
Extracted files:
10
AV detection:
19 of 23 (82.61%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:stealc discovery spyware stealer
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:
8dd45c3deaa091c3bdde3456ffde09709d17802c57d4d6dbdf6fc5d5d1e3c8fc
MD5 hash:
6569eceef4279ce644844d4183d91a35
SHA1 hash:
54e7b4001ff59286a31e4c3b29905f7e8bb1789a
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

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

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