MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 105756a1242d4378f89a75c849dcc3ba22c79b6fa6d60935639423c07b3e31f2. 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



Vidar


Vendor detections: 14


Intelligence 14 IOCs YARA 22 File information Comments

SHA256 hash: 105756a1242d4378f89a75c849dcc3ba22c79b6fa6d60935639423c07b3e31f2
SHA3-384 hash: 50813c37bcf69e18ee4cccca88a2c62e999ac579cc3cd781f7562a5336541876e01761af030dcf9909b390521b7664aa
SHA1 hash: e7cec9f2da9fe9a024483e427ae609a1705174e6
MD5 hash: 6d405d6e3d5d991090646e92793a4da6
humanhash: mango-diet-high-montana
File name:CoreMessaging.dll
Download: download sample
Signature Vidar
File size:2'780'672 bytes
First seen:2026-01-13 16:03:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 17702ed66bbbb38da685a4e5113c9b59 (2 x Vidar)
ssdeep 49152:AxqP9jPq+3FzzKTMvCVFLs0EYlK3dOUOv/TCXRD:H9GBFo/Yln9jC
TLSH T19AD5AD05E3E40EA5D52BE674CAA79733D670B9411334C68F11A9DA0E2F73B914E7B322
TrID 66.6% (.EXE) InstallShield setup (43053/19/16)
16.2% (.EXE) Win64 Executable (generic) (10522/11/4)
7.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
3.1% (.EXE) OS/2 Executable (generic) (2029/13)
3.0% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter abuse_ch
Tags:dll exe vidar

Intelligence


File Origin
# of uploads :
1
# of downloads :
112
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Malware family:
ID:
1
File name:
CoreMessaging.dll
Verdict:
Malicious activity
Analysis date:
2026-01-13 09:50:17 UTC
Tags:
stealer stealc vidar xor-url generic

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
81.4%
Tags:
dropper emotet
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
adaptive-context anti-debug crypto hacktool masquerade microsoft_visual_cc packed
Verdict:
Malicious
File Type:
dll x64
First seen:
2026-01-13T06:20:00Z UTC
Last seen:
2026-01-13T23:44:00Z UTC
Hits:
~100
Detections:
Trojan.Win32.Inject.sb Trojan-PSW.Win32.Vidar.gbp Trojan-PSW.Vidar.HTTP.C&C Trojan-PSW.Stealerc.TCP.C&C Trojan-PSW.Stealerc.HTTP.C&C Trojan-PSW.Lumma.TCP.C&C PDM:Trojan.Win32.Generic Trojan-PSW.Win32.Vidar.d
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Sigma detected: Rundll32 Execution Without CommandLine Parameters
Suricata IDS alerts for network traffic
System process connects to network (likely due to code injection or exploit)
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1849961 Sample: CoreMessaging.dll.exe Startdate: 13/01/2026 Architecture: WINDOWS Score: 100 35 Suricata IDS alerts for network traffic 2->35 37 Found malware configuration 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 5 other signatures 2->41 8 loaddll64.exe 1 2->8         started        process3 process4 10 rundll32.exe 8->10         started        13 cmd.exe 1 8->13         started        15 rundll32.exe 8->15         started        17 30 other processes 8->17 signatures5 49 Modifies the context of a thread in another process (thread injection) 10->49 51 Injects a PE file into a foreign processes 10->51 19 rundll32.exe 10->19         started        23 rundll32.exe 13->23         started        25 rundll32.exe 15->25         started        27 rundll32.exe 17->27         started        29 rundll32.exe 17->29         started        process6 dnsIp7 33 65.109.240.131, 443, 49722, 49724 ALABANZA-BALTUS United States 19->33 43 System process connects to network (likely due to code injection or exploit) 19->43 45 Modifies the context of a thread in another process (thread injection) 23->45 47 Injects a PE file into a foreign processes 23->47 31 rundll32.exe 23->31         started        signatures8 process9
Gathering data
Threat name:
Win64.Trojan.Egairtigado
Status:
Malicious
First seen:
2026-01-13 09:50:19 UTC
File Type:
PE+ (Dll)
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:vidar stealer
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Badlisted process makes network request
Detects Vidar Stealer
Vidar
Vidar family
Unpacked files
SH256 hash:
105756a1242d4378f89a75c849dcc3ba22c79b6fa6d60935639423c07b3e31f2
MD5 hash:
6d405d6e3d5d991090646e92793a4da6
SHA1 hash:
e7cec9f2da9fe9a024483e427ae609a1705174e6
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:Check_Debugger
Rule name:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__MemoryWorkingSet
Author:Fernando Mercês
Description:Anti-debug process memory working set size check
Reference:http://www.gironsec.com/blog/2015/06/anti-debugger-trick-quicky/
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__RemoteAPI
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:dgaagas
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SUSP_XORed_Mozilla_Oct19
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:SUSP_XORed_URL_In_EXE
Author:Florian Roth (Nextron Systems)
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:SUSP_XORed_URL_in_EXE_RID2E46
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:win_bazarbackdoor_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.bazarbackdoor.

File information


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

Comments