MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 19fcd2a83cd54c9b1c9bd9f8f6f7792e7132156b09a8180ce1da2fe6e2eeaaab. 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: 16


Intelligence 16 IOCs 1 YARA 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 19fcd2a83cd54c9b1c9bd9f8f6f7792e7132156b09a8180ce1da2fe6e2eeaaab
SHA3-384 hash: dc9d7749bc3c801f39a1954d68aca5bb598ade7cd05ab3631cfb349fa167810cdeed383a06f7df14c327f983bfedb8b0
SHA1 hash: e6b0be06c7a8eb57fc578c40369f06360e9d70c9
MD5 hash: aa7c3909bcc04a969a1605522b581a49
humanhash: october-virginia-mexico-zulu
File name:kisteruop.exe
Download: download sample
Signature Stealc
Create hunting rule
File size:244'736 bytes
First seen:2024-11-30 21:50:38 UTC
Last seen:2024-12-16 06:54:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 9688495fa0fb07674109d4238c74f5ee (13 x Stealc)
ssdeep 3072:QLCrbK4vn4p+U1v+N3Bz1IJ8JEchyka7Z7LU/fHY5rrr2MJ08:WaGm1U5Y1ICJU117L+45rrr2qz
TLSH T19E343C25DF40443FDD12927CD6B9B3D2B22629A96312D8D733CC26194DF40E32D7E6AA
TrID 43.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
22.9% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
9.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.2% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter aachum
Tags:exe Stealc


Avatar
iamaachum
https://github.com/olosha1/uparowas/blob/main/kisteruop.exe

StealC C2: http://154.216.17.90/a48146f6763ef3af.php

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://154.216.17.90/a48146f6763ef3af.php https://threatfox.abuse.ch/ioc/1349741/

Intelligence

File Origin
# of uploads :
3
# of downloads :
437
Origin country :
ES ES
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
kisteruop.exe
Verdict:
Malicious activity
Analysis date:
2024-11-30 21:53:54 UTC
Tags:
stealer stealc loader
Link:
https://app.any.run/tasks/e99ec4f6-75cd-4517-988b-dc57c5a027ed

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Malware.Stealerc-10034234-0
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=674b8abce64d1c722d7ab5c4
Tags:
bitcoin shell lien sage
Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
microsoft_visual_cc
Link:
https://www.filescan.io/uploads/674b88c74b0e5551e607f16b/reports/eb2f9a8b-fd05-4c6f-a143-1b7545b1de77/overview
Verdict:
Malicious
Labled as:
Zusy.Generic
Link:
https://www.hybrid-analysis.com/sample/19fcd2a83cd54c9b1c9bd9f8f6f7792e7132156b09a8180ce1da2fe6e2eeaaab
Malware family:
Vidar
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/70ec69a8-ba32-4eb6-9e0b-380f2e098a74
Result
Threat name:
Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1565866
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
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for sample
Monitors registry run keys for changes
Multi AV Scanner detection for submitted file
PE file has a writeable .text section
Sample uses string decryption to hide its real strings
Searches for specific processes (likely to inject)
Self deletion via cmd or bat file
Suricata IDS alerts for network traffic
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
Yara detected Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1565866 Sample: kisteruop.exe Startdate: 30/11/2024 Architecture: WINDOWS Score: 100 55 Suricata IDS alerts for network traffic 2->55 57 Found malware configuration 2->57 59 Antivirus detection for URL or domain 2->59 61 10 other signatures 2->61 7 kisteruop.exe 34 2->7         started        12 msedge.exe 9 2->12         started        process3 dnsIp4 45 154.216.17.90, 49715, 49749, 49790 SKHT-ASShenzhenKatherineHengTechnologyInformationCo Seychelles 7->45 47 127.0.0.1 unknown unknown 7->47 33 C:\ProgramData\nss3.dll, PE32 7->33 dropped 35 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 7->35 dropped 37 C:\Users\user\AppData\...\softokn3[1].dll, PE32 7->37 dropped 39 9 other files (none is malicious) 7->39 dropped 63 Attempt to bypass Chrome Application-Bound Encryption 7->63 65 Found many strings related to Crypto-Wallets (likely being stolen) 7->65 67 Self deletion via cmd or bat file 7->67 69 5 other signatures 7->69 14 msedge.exe 2 10 7->14         started        17 chrome.exe 8 7->17         started        20 cmd.exe 1 7->20         started        22 msedge.exe 12->22         started        file5 signatures6 process7 dnsIp8 71 Monitors registry run keys for changes 14->71 24 msedge.exe 14->24         started        41 192.168.2.5, 443, 49708, 49709 unknown unknown 17->41 43 239.255.255.250 unknown Reserved 17->43 26 chrome.exe 17->26         started        29 conhost.exe 20->29         started        31 timeout.exe 1 20->31         started        signatures9 process10 dnsIp11 49 plus.l.google.com 172.217.17.78, 443, 49756 GOOGLEUS United States 26->49 51 www.google.com 172.217.21.36, 443, 49721, 49722 GOOGLEUS United States 26->51 53 apis.google.com 26->53
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/19fcd2a83cd54c9b1c9bd9f8f6f7792e7132156b09a8180ce1da2fe6e2eeaaab
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/19fcd2a83cd54c9b1c9bd9f8f6f7792e7132156b09a8180ce1da2fe6e2eeaaab/
Threat name:
Win32.Trojan.LummaStealer
Create hunting rule
Status:
Malicious
First seen:
2024-11-30 21:51:05 UTC
File Type:
PE (Exe)
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dh6nfkb42vgjwhe33h4pn53zfzytefllbgubqdhb3ix6nyxovkvq._file
Verdict:
malicious
Label(s):
stealc
Create hunting rule
Similar samples:
error
Stealc
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:stealc botnet:voov credential_access discovery spyware stealer
Link:
https://tria.ge/reports/241130-1qgbmswpay/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Enumerates system info in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks computer location settings
Deletes itself
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Unsecured Credentials: Credentials In Files
Downloads MZ/PE file
Uses browser remote debugging
Stealc
Stealc family
Malware Config
C2 Extraction:
http://154.216.17.90
Verdict:
Malicious
Tags:
stealer stealc Win.Malware.Stealerc-10034234-0
YARA:
CAPE_Stealc Stealc
Link:
https://app.threat.zone/submission/0315273c-ff6b-44bd-908b-f5da80ab5fc0
Unpacked files
SH256 hash:
19fcd2a83cd54c9b1c9bd9f8f6f7792e7132156b09a8180ce1da2fe6e2eeaaab
MD5 hash:
aa7c3909bcc04a969a1605522b581a49
SHA1 hash:
e6b0be06c7a8eb57fc578c40369f06360e9d70c9
Detections:
VidarStealer
Create hunting rule
Link:
https://www.unpac.me/results/2f7c5ed9-505b-4dd0-9e59-c76774471889/
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/19fcd2a83cd54c9b1c9bd9f8f6f7792e7132156b09a8180ce1da2fe6e2eeaaab

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:command_and_control
Create hunting rule
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:RansomPyShield_Antiransomware
Create hunting rule
Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:Stealc
Create hunting rule
Author:kevoreilly
Description:Stealc Payload
Rule name:Stealc_unpacked_PulseIntel
Create hunting rule
Author:PulseIntel
Description:Stealc Payload
Rule name:Stealer_Stealc
Create hunting rule
Author:Still
Description:attempts to match instructions/strings found in Stealc
Rule name:Vidar_unpacked_PulseIntel
Create hunting rule
Author:PulseIntel
Description:Vidar Payload
Rule name:Windows_Generic_Threat_2bba6bae
Create hunting rule
Author:Elastic Security

File information

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

Web download

Stealc

Executable exe 19fcd2a83cd54c9b1c9bd9f8f6f7792e7132156b09a8180ce1da2fe6e2eeaaab

(this sample)

  
Link
https://tria.ge/241130-1lxstswnbx/behavioral6
  
Delivery method
Distributed via web download

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
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
KERNEL32.dll::OpenProcess
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW

Comments