MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1831978a8f7b06b6b432d18c82142d54570db22a59cd7bc43915332d72c5d8c5. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments

SHA256 hash: 1831978a8f7b06b6b432d18c82142d54570db22a59cd7bc43915332d72c5d8c5
SHA3-384 hash: 9cce9aaf3eeb82c98c506a7abfaa0e28f911e5637b55032377317c9861f73b7d1a691e67943c50b0c9f7656f683c9725
SHA1 hash: 1e6467411dd023078dff301fc7a0cbc51e773523
MD5 hash: 666d9f95cf0a94f1dadc62c2d76e85fe
humanhash: kentucky-don-utah-neptune
File name:666d9f95cf0a94f1dadc62c2d76e85fe.exe
Download: download sample
Signature Stealc
File size:1'154'048 bytes
First seen:2025-05-21 07:48:49 UTC
Last seen:2025-05-21 18:33:31 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 3642c4ad9797c59f810541c9ea7d8d9a (23 x LummaStealer, 3 x Stealc, 1 x XWorm)
ssdeep 24576:Br3SiwyD6JBCLf1s7OpqwdT3Hn9+MVQpnEpSidY4:5UJB0fS7/wtd+M88SidY4
TLSH T14435DF25D251A2EEED3740B945A1A565B432BA33C2392FEF4390E2331E0BBD15F39359
TrID 63.5% (.EXE) Win64 Executable (generic) (10522/11/4)
12.2% (.EXE) OS/2 Executable (generic) (2029/13)
12.0% (.EXE) Generic Win/DOS Executable (2002/3)
12.0% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter abuse_ch
Tags:exe Stealc

Intelligence


File Origin
# of uploads :
2
# of downloads :
436
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
lokibot
ID:
1
File name:
NewTextDocument.exe
Verdict:
Malicious activity
Analysis date:
2025-05-20 20:34:23 UTC
Tags:
loader lokibot stealer telegram lumma snake keylogger evasion trojan hausbomber vidar github possible-phishing uac screenconnect rmm-tool auto proxyware ghostsocks remote gcleaner blankgrabber discord autoit miner themida

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
70%
Tags:
malware
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Creating a file
Сreating synchronization primitives
Connection attempt
Sending an HTTP POST request
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
fingerprint microsoft_visual_cc packed packed packer_detected
Result
Threat name:
Stealc v2
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Sigma detected: Silenttrinity Stager Msbuild Activity
Writes to foreign memory regions
Yara detected Stealc v2
Behaviour
Behavior Graph:
Threat name:
Win64.Trojan.LummaStealer
Status:
Malicious
First seen:
2025-05-21 00:13:48 UTC
File Type:
PE+ (Exe)
AV detection:
30 of 38 (78.95%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Behaviour
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
1831978a8f7b06b6b432d18c82142d54570db22a59cd7bc43915332d72c5d8c5
MD5 hash:
666d9f95cf0a94f1dadc62c2d76e85fe
SHA1 hash:
1e6467411dd023078dff301fc7a0cbc51e773523
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:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_detect_tls_callbacks
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information


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

Web download

Stealc

Executable exe 1831978a8f7b06b6b432d18c82142d54570db22a59cd7bc43915332d72c5d8c5

(this sample)

  
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 (GUARD_CF)high
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::FreeConsole
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA
KERNEL32.dll::CreateFileW

Comments