MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 823b1e28ec41e073557d3b5d5c19183c8041bb307ed75a6398ff9ab9f29354d4. 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 YARA 13 File information Comments

SHA256 hash: 823b1e28ec41e073557d3b5d5c19183c8041bb307ed75a6398ff9ab9f29354d4
SHA3-384 hash: c6401170fc1630342b8ad655d9096d7e47ab89e0420987ac8197b6c7ed8499301eb2258d93062cfb8e2c3456101e82d0
SHA1 hash: 007ed00300003fb5a06b6ec75801a05e258517dc
MD5 hash: c6ae9bc2dc6cc21141d3d2c5d91a90cc
humanhash: pluto-dakota-ten-orange
File name:random.exe
Download: download sample
Signature Stealc
File size:1'807'360 bytes
First seen:2025-01-21 20:31:38 UTC
Last seen:Never
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:RmE/8ijfKdw3Fz2+pkhJXbZIkHnYTC0dQJBBsBx:R1kijT3F5yXbikH8Q/m
TLSH T1158533A10966F8E5C47D7630D377D70EF47977DA30990BA6489AEA33682D1024224FBF
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 aachum
Tags:exe Stealc


Avatar
iamaachum
185.215.113.16/steam/random.exe

StealC Botnet: BRAT
StealC C2: http://185.215.113.206/c4becf79229cb002.php

Intelligence


File Origin
# of uploads :
1
# of downloads :
123
Origin country :
ES ES
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
http://185.215.113.16/soka/random.exe
Verdict:
Malicious activity
Analysis date:
2025-01-21 19:59:57 UTC
Tags:
amadey botnet stealer loader lumma auto generic stealc cryptbot gcleaner remote xworm themida credentialflusher rdp telegram rhadamanthys netreactor github

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
small spam hype sage
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:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
microsoft_visual_cc packed packed packer_detected
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:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found evasive API chain (may stop execution after checking locale)
Found malware configuration
Hides threads from debuggers
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Searches for specific processes (likely to inject)
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)
Yara detected Powershell download and execute
Yara detected Stealc
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.StealC
Status:
Malicious
First seen:
2025-01-21 20:32:05 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:stealc botnet:brat defense_evasion discovery stealer
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks installed software on the system
Checks BIOS information in registry
Identifies Wine through registry keys
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Stealc
Stealc family
Malware Config
C2 Extraction:
http://185.215.113.206
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
819d118be6a6f56039fdec73b8e9424e2dd3f8ef5245c25aa42bccb2f212716d
MD5 hash:
73e25a11bc2e8241aaf48c17fc58d80f
SHA1 hash:
211b8f1c22c0863814d1fb57328b3f94d0746fbc
Detections:
stealc win_stealc_w0 win_stealc_a0
SH256 hash:
823b1e28ec41e073557d3b5d5c19183c8041bb307ed75a6398ff9ab9f29354d4
MD5 hash:
c6ae9bc2dc6cc21141d3d2c5d91a90cc
SHA1 hash:
007ed00300003fb5a06b6ec75801a05e258517dc
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:command_and_control
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__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Detect_PowerShell_Obfuscation
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:infostealer_win_stealc_standalone
Description:Find standalone Stealc sample based on decryption routine or characteristic strings
Reference:https://blog.sekoia.io/stealc-a-copycat-of-vidar-and-raccoon-infostealers-gaining-in-popularity-part-1/
Rule name:malware_Stealc_str
Author:JPCERT/CC Incident Response Group
Description:Stealc infostealer
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:Stealc
Author:kevoreilly
Description:Stealc Payload
Rule name:Stealer_Stealc
Author:Still
Description:attempts to match instructions/strings found in Stealc
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques
Rule name:Windows_Generic_Threat_2bba6bae
Author:Elastic Security
Rule name:win_stealc_w0
Author:crep1x
Description:Find standalone Stealc sample based on decryption routine or characteristic strings
Reference:https://blog.sekoia.io/stealc-a-copycat-of-vidar-and-raccoon-infostealers-gaining-in-popularity-part-1/

File information


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

Web download

Stealc

Executable exe 823b1e28ec41e073557d3b5d5c19183c8041bb307ed75a6398ff9ab9f29354d4

(this sample)

  
Dropped by
Amadey
  
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
CHECK_NXMissing Non-Executable Memory Protectioncritical

Comments