MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f2028b4fb0b43abc5a062bd359622b254dbf0e301f2a8b842d062896ca24692b. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f2028b4fb0b43abc5a062bd359622b254dbf0e301f2a8b842d062896ca24692b
SHA3-384 hash: 187ca864db06f054bf9970d92e490e4aa94294a130bca55416ef510cc6e641ea9be5c5bbb853b7a7452ccaa13f20b322
SHA1 hash: dd4d410c55d413c4794eb0c4f60d179613ab6bc0
MD5 hash: 2f28772b3cf7328df4f249e872568c2d
humanhash: queen-monkey-winner-echo
File name:2f28772b3cf7328df4f249e872568c2d.exe
Download: download sample
Signature Stealc
Create hunting rule
File size:263'168 bytes
First seen:2023-07-25 14:55:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 5dc16ea88b2eab7740fd105d5e24a675 (2 x RedLineStealer, 1 x Tofsee, 1 x Glupteba)
ssdeep 6144:EtvxnwCJczsk0zhh3a+Rpaur08m8mQOw0O:EpV1Jczr+h7L9Q8mYz
TLSH T1A744CF2136D0D072D46369301970DAA16A7BFCB2AB7592CB33583A3F6E716D00B78797
TrID 52.5% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
17.7% (.EXE) Win64 Executable (generic) (10523/12/4)
8.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.5% (.EXE) Win32 Executable (generic) (4505/5/1)
3.4% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon c484a08084989000 (1 x Stealc)
Reporter abuse_ch
Tags:exe Stealc


Avatar
abuse_ch
Stealc C2:
http://185.209.161.53/e4ebc4b8c00b7089.php

Intelligence

File Origin
# of uploads :
1
# of downloads :
267
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
oski
Create hunting rule
ID:
1
File name:
2f28772b3cf7328df4f249e872568c2d.exe
Verdict:
Malicious activity
Analysis date:
2023-07-25 15:06:02 UTC
Tags:
stealc stealer loader lumma oski laplasclipper
Link:
https://app.any.run/tasks/58f997b8-9712-40a0-afb5-b5cf271d3c25

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/432392/
Detection(s):
SecuriteInfo.com.Variant.Zusy.477830.2527.32455.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Sending an HTTP GET request to an infection source
Gathering data
Verdict:
Malicious
Labled as:
Ransom.11734606
Link:
https://www.hybrid-analysis.com/sample/f2028b4fb0b43abc5a062bd359622b254dbf0e301f2a8b842d062896ca24692b
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/51eb1d22-7d55-4d75-8407-a978b1a176de
Result
Threat name:
Laplas Clipper, Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1279358
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)
Hides threads from debuggers
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
Query firmware table information (likely to detect VMs)
Sample uses string decryption to hide its real strings
Searches for specific processes (likely to inject)
Snort IDS alert for network traffic
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Tries to steal Mail credentials (via file / registry access)
Yara detected Laplas Clipper
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1279358 Sample: 10aq5oBffW.exe Startdate: 25/07/2023 Architecture: WINDOWS Score: 100 43 Snort IDS alert for network traffic 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 10 other signatures 2->49 8 10aq5oBffW.exe 18 2->8         started        13 ntlhost.exe 2->13         started        15 ntlhost.exe 2->15         started        process3 dnsIp4 35 185.209.161.53, 49722, 80 HOSTING-SOLUTIONSUS Netherlands 8->35 37 cdn.discordapp.com 162.159.134.233, 443, 49723 CLOUDFLARENETUS United States 8->37 39 192.168.2.1 unknown unknown 8->39 31 C:\Users\user\AppData\...\CAAAAFBKFI.exe, MS-DOS 8->31 dropped 33 C:\Users\user\AppData\Local\...\soft[1].exe, MS-DOS 8->33 dropped 59 Detected unpacking (changes PE section rights) 8->59 61 Detected unpacking (overwrites its own PE header) 8->61 63 Tries to steal Mail credentials (via file / registry access) 8->63 71 4 other signatures 8->71 17 cmd.exe 1 8->17         started        65 Query firmware table information (likely to detect VMs) 13->65 67 Hides threads from debuggers 13->67 69 Tries to detect sandboxes / dynamic malware analysis system (registry check) 13->69 file5 signatures6 process7 process8 19 CAAAAFBKFI.exe 1 2 17->19         started        23 conhost.exe 17->23         started        file9 29 C:\Users\user\AppData\Roaming\...\ntlhost.exe, MS-DOS 19->29 dropped 51 Multi AV Scanner detection for dropped file 19->51 53 Detected unpacking (changes PE section rights) 19->53 55 Query firmware table information (likely to detect VMs) 19->55 57 2 other signatures 19->57 25 ntlhost.exe 19->25         started        signatures10 process11 dnsIp12 41 45.159.189.33, 49726, 49727, 49728 HOSTING-SOLUTIONSUS Netherlands 25->41 73 Detected unpacking (changes PE section rights) 25->73 75 Query firmware table information (likely to detect VMs) 25->75 77 Tries to detect sandboxes and other dynamic analysis tools (window names) 25->77 79 2 other signatures 25->79 signatures13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f2028b4fb0b43abc5a062bd359622b254dbf0e301f2a8b842d062896ca24692b/
Threat name:
Win32.Trojan.Glupteba
Create hunting rule
Status:
Malicious
First seen:
2023-07-21 07:09:13 UTC
File Type:
PE (Exe)
Extracted files:
16
AV detection:
30 of 38 (78.95%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6ibiwt5qwq5lywqgfpjvsyrlevg36drqd4vixbbnayujnsrenevq._file
Verdict:
malicious
Result
Malware family:
laplas
Create hunting rule
Score:
  10/10
Tags:
family:laplas clipper discovery evasion persistence spyware stealer trojan
Link:
https://tria.ge/reports/230725-sa124sdh9z/
Behaviour
Checks processor information in registry
GoLang User-Agent
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Checks whether UAC is enabled
Checks BIOS information in registry
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Laplas Clipper
Malware Config
C2 Extraction:
http://45.159.189.33
Unpacked files
SH256 hash:
fae84b18b6dfc22c6cd04e9230c590623c932ff202ab2c27f7d36339e0a4d4e2
MD5 hash:
af5b2501234eea77b51942c2f33c5798
SHA1 hash:
e865c916aee1bef6884eed4e0567ad39314e7929
Link:
https://www.unpac.me/results/188cda77-295c-4e2d-8dd6-2c0cdaacb271/
SH256 hash:
f2028b4fb0b43abc5a062bd359622b254dbf0e301f2a8b842d062896ca24692b
MD5 hash:
2f28772b3cf7328df4f249e872568c2d
SHA1 hash:
dd4d410c55d413c4794eb0c4f60d179613ab6bc0
Link:
https://www.unpac.me/results/188cda77-295c-4e2d-8dd6-2c0cdaacb271/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f2028b4fb0b4/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/f2028b4fb0b43abc5a062bd359622b254dbf0e301f2a8b842d062896ca24692b

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:detect_Mars_Stealer
Create hunting rule
Author:@malgamy12
Description:detect_Mars_Stealer
Rule name:INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
Create hunting rule
Author:ditekSHen
Description:Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.
Rule name:INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs
Create hunting rule
Author:ditekSHen
Description:Detect binaries embedding considerable number of MFA browser extension IDs.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:sus_pe_free_without_allocation
Create hunting rule
Author:Maxime THIEBAUT (@0xThiebaut)
Description:Detects an executable importing functions to free memory without importing allocation functions, often indicative of dynamic import resolution
Rule name:Windows_Trojan_Smokeloader_3687686f
Create hunting rule
Author:Elastic Security
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.

Cape
Cape
https://www.capesandbox.com/analysis/432392/

Comments