MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4688b875a5efc11c995747658f96f517bf06631e4ab4a1c05d0718abdc33e5fe. 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: 12


Intelligence 12 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4688b875a5efc11c995747658f96f517bf06631e4ab4a1c05d0718abdc33e5fe
SHA3-384 hash: 73e35bc08d8f8834e9324a0bc1be82195b3b2cf623bc5956d389051257b82aa510aea9f6d80612d99c1b18148dac21cf
SHA1 hash: 6feb8b7fa058b1f818ea2b2485b8435d87b218c6
MD5 hash: f8d1d73a4b017ae508ee5172f7601906
humanhash: mountain-blossom-hawaii-butter
File name:file
Download: download sample
Signature Stealc
Create hunting rule
File size:1'799'168 bytes
First seen:2024-11-13 19:37:21 UTC
Last seen:2024-11-13 19:41:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 2eabe9054cad5152567f0699947a2c5b (2'852 x LummaStealer, 1'312 x Stealc, 1'026 x Healer)
ssdeep 49152:zTlClKXf1sJb2d9Y2Ju9m5bqW8mMAxHU:nlC4NY+bqW1MAl
TLSH T1858533BD17AD621EDE8B33736953C104BF14BEE51C4AB530C942A7E3839A66E46D304C
TrID 27.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
20.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
18.6% (.EXE) Win32 Executable (generic) (4504/4/1)
8.5% (.ICL) Windows Icons Library (generic) (2059/9)
8.3% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter Bitsight
Tags:exe Stealc


Avatar
Bitsight
url: http://185.215.113.16/steam/random.exe

Intelligence

File Origin
# of uploads :
5
# of downloads :
443
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-11-13 19:39:51 UTC
Tags:
lumma stealer themida loader stealc
Link:
https://app.any.run/tasks/4127db2e-51fa-4db5-9058-87cb374623bc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.TrojanX-gen.1170.30628.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67351b640552fd58596bbbc2
Tags:
vmdetect virus small
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Searching for analyzing tools
Running batch commands
Creating a process with a hidden window
Launching a process
Connection attempt to an infection source
Sending an HTTP GET request to an infection source
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/4688b875a5efc11c995747658f96f517bf06631e4ab4a1c05d0718abdc33e5fe
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/7934d2b0-0bfd-436e-93eb-702fa777a646
Result
Threat name:
PureCrypter, LummaC, Amadey, LummaC Stea
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1555405
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Attempt to bypass Chrome Application-Bound Encryption
C2 URLs / IPs found in malware configuration
Creates multiple autostart registry keys
Detected PureCrypter Trojan
Detected unpacking (changes PE section rights)
Disable Windows Defender notifications (registry)
Disable Windows Defender real time protection (registry)
Disables Windows Defender Tamper protection
Drops PE files to the document folder of the user
Drops PE files to the user root directory
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
LummaC encrypted strings found
Machine Learning detection for sample
Modifies windows update settings
Monitors registry run keys for changes
Multi AV Scanner detection for dropped file
PE file contains section with special chars
Powershell creates an autostart link
Query firmware table information (likely to detect VMs)
Sigma detected: New RUN Key Pointing to Suspicious Folder
Sigma detected: Potential Startup Shortcut Persistence Via PowerShell.EXE
Sigma detected: Powershell create lnk in startup
Sigma detected: Suspicious Script Execution From Temp Folder
Suricata IDS alerts for network traffic
Tries to detect process monitoring tools (Task Manager, Process Explorer etc.)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to detect virtualization through RDTSC time measurements
Tries to evade debugger and weak emulator (self modifying code)
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Crypto Currency Wallets
Tries to steal Mail credentials (via file / registry access)
Yara detected Amadeys stealer DLL
Yara detected LummaC Stealer
Yara detected Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1555405 Sample: file.exe Startdate: 13/11/2024 Architecture: WINDOWS Score: 100 96 frogmen-smell.sbs 2->96 136 Suricata IDS alerts for network traffic 2->136 138 Found malware configuration 2->138 140 Antivirus detection for URL or domain 2->140 142 15 other signatures 2->142 9 skotes.exe 2->9         started        14 file.exe 37 2->14         started        16 06d4af6f50.exe 2->16         started        18 12 other processes 2->18 signatures3 process4 dnsIp5 118 185.215.113.43 WHOLESALECONNECTIONSNL Portugal 9->118 120 87.120.125.254 UNACS-AS-BG8000BurgasBG Bulgaria 9->120 74 C:\Users\user\AppData\...\ea44ea94c2.exe, PE32 9->74 dropped 76 C:\Users\user\AppData\...\deb333ea90.exe, PE32 9->76 dropped 78 C:\Users\user\AppData\...\06d4af6f50.exe, PE32 9->78 dropped 88 4 other files (3 malicious) 9->88 dropped 176 Creates multiple autostart registry keys 9->176 178 Hides threads from debuggers 9->178 180 Tries to detect sandboxes / dynamic malware analysis system (registry check) 9->180 20 ea44ea94c2.exe 9->20         started        23 06d4af6f50.exe 9->23         started        26 deb333ea90.exe 9->26         started        37 2 other processes 9->37 122 185.215.113.206, 49720, 49804, 49873 WHOLESALECONNECTIONSNL Portugal 14->122 124 185.215.113.16 WHOLESALECONNECTIONSNL Portugal 14->124 126 127.0.0.1 unknown unknown 14->126 80 C:\Users\user\DocumentsKECBGCGCGI.exe, PE32 14->80 dropped 82 C:\Users\user\AppData\...\softokn3[1].dll, PE32 14->82 dropped 84 C:\Users\user\AppData\Local\...\random[1].exe, PE32 14->84 dropped 90 11 other files (none is malicious) 14->90 dropped 182 Detected unpacking (changes PE section rights) 14->182 184 Attempt to bypass Chrome Application-Bound Encryption 14->184 186 Drops PE files to the document folder of the user 14->186 198 6 other signatures 14->198 28 cmd.exe 14->28         started        30 msedge.exe 2 10 14->30         started        32 chrome.exe 8 14->32         started        188 Query firmware table information (likely to detect VMs) 16->188 190 Tries to harvest and steal ftp login credentials 16->190 192 Tries to harvest and steal browser information (history, passwords, etc) 16->192 128 192.168.2.4 unknown unknown 18->128 130 192.168.2.7 unknown unknown 18->130 86 C:\Users\user\AppData\Local\...\000003.log, CLIPPER 18->86 dropped 194 Tries to steal Crypto Currency Wallets 18->194 196 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 18->196 34 msedge.exe 18->34         started        39 16 other processes 18->39 file6 signatures7 process8 dnsIp9 152 Multi AV Scanner detection for dropped file 20->152 154 Detected unpacking (changes PE section rights) 20->154 156 Tries to detect sandboxes and other dynamic analysis tools (window names) 20->156 172 4 other signatures 20->172 104 frogmen-smell.sbs 172.67.174.133 CLOUDFLARENETUS United States 23->104 158 Query firmware table information (likely to detect VMs) 23->158 160 Tries to evade debugger and weak emulator (self modifying code) 23->160 162 Tries to steal Crypto Currency Wallets 23->162 174 2 other signatures 23->174 41 chrome.exe 23->41         started        164 Hides threads from debuggers 26->164 166 Tries to detect sandboxes / dynamic malware analysis system (registry check) 26->166 168 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 26->168 43 DocumentsKECBGCGCGI.exe 28->43         started        47 conhost.exe 28->47         started        170 Monitors registry run keys for changes 30->170 49 msedge.exe 30->49         started        106 192.168.2.5, 443, 49710, 49712 unknown unknown 32->106 108 239.255.255.250 unknown Reserved 32->108 51 chrome.exe 32->51         started        110 23.218.232.139 RAYA-ASEG United States 34->110 114 28 other IPs or domains 34->114 72 C:\Users\user\AppData\Local\...\Cookies, SQLite 34->72 dropped 112 87.120.125.16 UNACS-AS-BG8000BurgasBG Bulgaria 37->112 54 powershell.exe 37->54         started        116 3 other IPs or domains 39->116 56 chrome.exe 39->56         started        58 conhost.exe 39->58         started        60 7 other processes 39->60 file10 signatures11 process12 dnsIp13 62 chrome.exe 41->62         started        65 chrome.exe 41->65         started        92 C:\Users\user\AppData\Local\...\skotes.exe, PE32 43->92 dropped 200 Detected unpacking (changes PE section rights) 43->200 202 Tries to evade debugger and weak emulator (self modifying code) 43->202 204 Tries to detect virtualization through RDTSC time measurements 43->204 208 3 other signatures 43->208 67 skotes.exe 43->67         started        98 play.google.com 142.250.181.238, 443, 49794 GOOGLEUS United States 51->98 100 www.google.com 142.250.186.164, 443, 49754, 49755 GOOGLEUS United States 51->100 102 2 other IPs or domains 51->102 94 C:\Users\user\AppData\Roaming\...\prua.lnk, MS 54->94 dropped 206 Powershell creates an autostart link 54->206 70 conhost.exe 54->70         started        file14 signatures15 process16 dnsIp17 132 142.250.185.196 GOOGLEUS United States 62->132 134 www.google.com 62->134 144 Detected unpacking (changes PE section rights) 67->144 146 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 67->146 148 Tries to evade debugger and weak emulator (self modifying code) 67->148 150 3 other signatures 67->150 signatures18
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4688b875a5efc11c995747658f96f517bf06631e4ab4a1c05d0718abdc33e5fe
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4688b875a5efc11c995747658f96f517bf06631e4ab4a1c05d0718abdc33e5fe/
Threat name:
Win32.Trojan.Stealerc
Create hunting rule
Status:
Malicious
First seen:
2024-11-13 19:40:12 UTC
File Type:
PE (Exe)
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=i2elq5nf57arzgkxi5sy7fxvc67qmyy6jk2kdqc5a4mkxxbt4x7a._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery evasion
Link:
https://tria.ge/reports/241113-ycdbqayara/
Behaviour
Suspicious behavior: EnumeratesProcesses
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks BIOS information in registry
Identifies Wine through registry keys
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/4fc957d7-aaff-4235-8d9b-6841818ce1bd
Unpacked files
SH256 hash:
09b889c23e4dee75f75ac3b727c1b402b589e6a1b88b43c4c38def77345bdf2d
MD5 hash:
0ae513d76420393570469ddab6f9ad9a
SHA1 hash:
f7295e60c6aabcba0e68e3263e7879bc039f8e84
Detections:
win_stealc_w0
Create hunting rule
win_stealc_a0
Create hunting rule
Link:
https://www.unpac.me/results/407dbba7-d0da-4398-bac2-1661561eed11/
SH256 hash:
4688b875a5efc11c995747658f96f517bf06631e4ab4a1c05d0718abdc33e5fe
MD5 hash:
f8d1d73a4b017ae508ee5172f7601906
SHA1 hash:
6feb8b7fa058b1f818ea2b2485b8435d87b218c6
Link:
https://www.unpac.me/results/407dbba7-d0da-4398-bac2-1661561eed11/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4688b875a5ef/report/overview.html
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:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

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

Web download

Stealc

Executable exe 4688b875a5efc11c995747658f96f517bf06631e4ab4a1c05d0718abdc33e5fe

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3273391/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical

Comments