MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9b2cd6f9d153ff961cfefc5a5fb538e9470fefb2ad19f516f64dc6bcea8245a8. 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



Stealc


Vendor detections: 14


Intelligence 14 IOCs YARA 10 File information Comments

SHA256 hash: 9b2cd6f9d153ff961cfefc5a5fb538e9470fefb2ad19f516f64dc6bcea8245a8
SHA3-384 hash: 28d15fbd31267b86bc5d857951303d290ad1287c61a83d938c045b141c468b672995e456189b8afe00fa9b5e49a8a250
SHA1 hash: d4fec24701d7aba0c3317500bca95c304749c077
MD5 hash: 2335dde112423f788e0f7291fbba373c
humanhash: kitten-magazine-fanta-fillet
File name:2335dde112423f788e0f7291fbba373c.exe
Download: download sample
Signature Stealc
File size:351'744 bytes
First seen:2023-09-15 12:30:22 UTC
Last seen:2023-09-15 14:40:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ed59ec9c2e7c8ef8d97dbc8b84b56759 (4 x Stealc, 4 x Smoke Loader, 3 x RedLineStealer)
ssdeep 6144:KjVXgqKC+Hiz55hnkHm3pf0NH1vg1lVo7Sbfoc+z:KJxKCmit5+I12Huo7Ifo1
Threatray 149 similar samples on MalwareBazaar
TLSH T1E574C013B291E731D2260A315D29CAF4293DBDA1BF6566B7631B3B2FC9703E085B2711
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 0020601894620100 (1 x Stealc)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://171.22.28.221/5c06c05b7b34e8e6.php

Intelligence


File Origin
# of uploads :
2
# of downloads :
287
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2335dde112423f788e0f7291fbba373c.exe
Verdict:
Malicious activity
Analysis date:
2023-09-15 12:31:08 UTC
Tags:
gcleaner loader stealc stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware lolbin packed shell32
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:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
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
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: 1308932 Sample: xTk7UXeZY5.exe Startdate: 15/09/2023 Architecture: WINDOWS Score: 100 55 script.googleusercontent.com 2->55 57 script.google.com 2->57 59 googlehosted.l.googleusercontent.com 2->59 67 Snort IDS alert for network traffic 2->67 69 Multi AV Scanner detection for domain / URL 2->69 71 Found malware configuration 2->71 73 13 other signatures 2->73 10 xTk7UXeZY5.exe 20 2->10         started        signatures3 process4 dnsIp5 61 171.22.28.221, 49697, 49698, 80 CMCSUS Germany 10->61 63 5.42.64.2, 49695, 49696, 80 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 10->63 65 2 other IPs or domains 10->65 49 C:\Users\user\AppData\...\0972908290.exe, PE32 10->49 dropped 51 C:\Users\user\AppData\...\timeSync[1].exe, PE32 10->51 dropped 53 C:\Users\user\AppData\...\timeSync[1].exe, PE32 10->53 dropped 83 Detected unpacking (changes PE section rights) 10->83 85 Detected unpacking (overwrites its own PE header) 10->85 15 cmd.exe 1 10->15         started        17 cmd.exe 1 10->17         started        19 WerFault.exe 23 16 10->19         started        21 svchost.exe 1 1 10->21         started        file6 signatures7 process8 process9 23 0972908290.exe 55 15->23         started        27 conhost.exe 15->27         started        29 taskkill.exe 1 17->29         started        31 conhost.exe 17->31         started        file10 41 C:\Users\user\AppData\...\softokn3[1].dll, PE32 23->41 dropped 43 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 23->43 dropped 45 C:\Users\user\AppData\...\mozglue[1].dll, PE32 23->45 dropped 47 9 other files (5 malicious) 23->47 dropped 75 Multi AV Scanner detection for dropped file 23->75 77 Detected unpacking (changes PE section rights) 23->77 79 Detected unpacking (overwrites its own PE header) 23->79 81 5 other signatures 23->81 33 cmd.exe 1 23->33         started        35 WerFault.exe 19 16 23->35         started        signatures11 process12 process13 37 conhost.exe 33->37         started        39 timeout.exe 1 33->39         started       
Threat name:
Win32.Trojan.Smokeloader
Status:
Malicious
First seen:
2023-09-15 12:31:07 UTC
File Type:
PE (Exe)
Extracted files:
40
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://171.22.28.221
Unpacked files
SH256 hash:
b3eaf07268a9b6264f1b73ff0b6618e2753790d05f2d2a7815110aa7f5add660
MD5 hash:
d2ecb3c9dbea68fd6f16ea26e786cc6e
SHA1 hash:
c60d8650ec2adb3ede38f2b1672566d90e242338
SH256 hash:
9b2cd6f9d153ff961cfefc5a5fb538e9470fefb2ad19f516f64dc6bcea8245a8
MD5 hash:
2335dde112423f788e0f7291fbba373c
SHA1 hash:
d4fec24701d7aba0c3317500bca95c304749c077
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
Rule name:DebuggerException__ConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:detect_Mars_Stealer
Author:@malgamy12
Description:detect_Mars_Stealer
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MALWARE_Win_OnlyLogger
Author:ditekSHen
Description:Detects OnlyLogger loader variants
Rule name:Windows_Trojan_Smokeloader_3687686f
Author:Elastic Security
Rule name:win_gcleaner_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.gcleaner.
Rule name:yara_template

File information


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

Web download

Stealc

Executable exe 9b2cd6f9d153ff961cfefc5a5fb538e9470fefb2ad19f516f64dc6bcea8245a8

(this sample)

  
Delivery method
Distributed via web download

Comments