MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a84e56d23959591054296a99427ff69cc7dbda0555d61213438ee5f845381bda. 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: 17


Intelligence 17 IOCs YARA 7 File information Comments

SHA256 hash: a84e56d23959591054296a99427ff69cc7dbda0555d61213438ee5f845381bda
SHA3-384 hash: e343695dc0ca741e1bb3c70b9f5ff1a88bcb213aff1b956a2ed7e2933a513d4554e289a6562078cd4f07f8a97b05b8d3
SHA1 hash: 84d47aa9db8b39dfa207c62327b2e5989cbc133c
MD5 hash: b17d19d2b50a567c31a32ce071a8e3fe
humanhash: football-tango-failed-juliet
File name:file
Download: download sample
Signature Stealc
File size:344'992 bytes
First seen:2024-10-03 06:01:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'648 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 6144:egGuVSQ1NuJ9kPpuRMir7KRnZRNOtJIbO5hWXJaY00l8n79Wn4D5uYya96EO:e8wQ1NqCPU+YWZHgJvW5aYTk7YnEyaAt
TLSH T18C74232E4B958D45CC194D305889DA21ABB0B0B3DFC1A6C7984FD196CFC3BC1539DB6A
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter Bitsight
Tags:exe Stealc


Avatar
Bitsight
url: http://147.45.44.104/ldms/66fe301fe8503_sihow.exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
369
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-10-03 06:03:04 UTC
Tags:
stealer stealc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
93.3%
Tags:
Exploit Micro Msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file
Launching a process
Сreating synchronization primitives
Sending an HTTP GET request to an infection source
Forced shutdown of a system process
Connection attempt to an infection source
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed
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.
Result
Threat name:
Stealc, Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
AI detected suspicious sample
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Found evasive API chain (may stop execution after checking locale)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Searches for specific processes (likely to inject)
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
Writes to foreign memory regions
Yara detected Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1524720 Sample: file.exe Startdate: 03/10/2024 Architecture: WINDOWS Score: 100 35 Multi AV Scanner detection for domain / URL 2->35 37 Suricata IDS alerts for network traffic 2->37 39 Found malware configuration 2->39 41 8 other signatures 2->41 7 file.exe 2 2->7         started        process3 file4 23 C:\Users\user\AppData\Local\...\file.exe.log, CSV 7->23 dropped 43 Contains functionality to inject code into remote processes 7->43 45 Writes to foreign memory regions 7->45 47 Allocates memory in foreign processes 7->47 49 Injects a PE file into a foreign processes 7->49 11 RegAsm.exe 51 7->11         started        16 conhost.exe 7->16         started        signatures5 process6 dnsIp7 33 62.204.41.159, 49733, 80 TNNET-ASTNNetOyMainnetworkFI United Kingdom 11->33 25 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 11->25 dropped 27 C:\Users\user\AppData\...\softokn3[1].dll, PE32 11->27 dropped 29 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 11->29 dropped 31 9 other files (none is malicious) 11->31 dropped 51 Found many strings related to Crypto-Wallets (likely being stolen) 11->51 53 Tries to harvest and steal ftp login credentials 11->53 55 Tries to harvest and steal browser information (history, passwords, etc) 11->55 57 4 other signatures 11->57 18 WerFault.exe 22 16 11->18         started        file8 signatures9 process10 file11 21 C:\ProgramData\Microsoft\...\Report.wer, Unicode 18->21 dropped
Threat name:
ByteCode-MSIL.Trojan.LummaC
Status:
Malicious
First seen:
2024-10-03 06:01:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Similar samples:
Result
Malware family:
Score:
  10/10
Tags:
family:stealc botnet:default5_doz discovery stealer
Behaviour
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Stealc
Malware Config
C2 Extraction:
http://62.204.41.159
Verdict:
Malicious
Tags:
stealc
YARA:
n/a
Unpacked files
SH256 hash:
29e7e1c1e1a7e5f26f6961d8036cdd04ee4557dec0a7dcadcd8e7651f5e53f43
MD5 hash:
2ec23e83e2f63ab27c25741b1f4d7f49
SHA1 hash:
bb231b274bd66393fa830a44e6d4447d4399eeb9
SH256 hash:
a84e56d23959591054296a99427ff69cc7dbda0555d61213438ee5f845381bda
MD5 hash:
b17d19d2b50a567c31a32ce071a8e3fe
SHA1 hash:
84d47aa9db8b39dfa207c62327b2e5989cbc133c
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Web download

Stealc

Executable exe a84e56d23959591054296a99427ff69cc7dbda0555d61213438ee5f845381bda

(this sample)

  
Dropped by
Privateloader
  
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

Comments