MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3ac7e225f7966453e984e4ac014a3f5342e204f3ea00981eaf14b5ac366cb5e. 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: 13


Intelligence 13 IOCs YARA 17 File information Comments

SHA256 hash: b3ac7e225f7966453e984e4ac014a3f5342e204f3ea00981eaf14b5ac366cb5e
SHA3-384 hash: 06222879c504378eb18ecea1368bbf6c4eae5b7437caa1467f77e225a598179d417b6a74f7b413afa5b46653d403dfe6
SHA1 hash: a2f7618c8cd336772b051be8600bcd977d0a6c4f
MD5 hash: 45872dd99e07cad61ecdaf3e507978d3
humanhash: fish-cardinal-india-edward
File name:file
Download: download sample
Signature Vidar
File size:1'357'312 bytes
First seen:2025-10-18 04:01:22 UTC
Last seen:2025-10-19 04:04:31 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 596c731a06a10a876820fa1b72d1669e (5 x Vidar, 2 x StormKitty, 2 x Rhadamanthys)
ssdeep 24576:mZpzuNTc3zIFL+Pqp4p51kfsB5j9HpfenaIOT:Izwc30+PJ5ptenoT
TLSH T12C55E1254A69A1D7F69544B19701B640F433BDA787782BFB21E8F7392A06FD40E7E320
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 Bitsight
Tags:dropped-by-amadey exe vidar


Avatar
Bitsight
url: http://178.16.55.189/files/5900855435/lZq6RaQ.exe

Intelligence


File Origin
# of uploads :
8
# of downloads :
92
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2025-10-18 04:02:58 UTC
Tags:
xor-url generic

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.9%
Tags:
emotet spawn shell sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Restart of the analyzed sample
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Behavior that indicates a threat
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
crypt fingerprint microsoft_visual_cc packed unsafe
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-10-17T19:26:00Z UTC
Last seen:
2025-10-19T06:24:00Z UTC
Hits:
~10
Detections:
Trojan.Win32.Injuke.pdrl
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Threat name:
Win64.Trojan.Midie
Status:
Malicious
First seen:
2025-10-18 00:35:09 UTC
File Type:
PE+ (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
b3ac7e225f7966453e984e4ac014a3f5342e204f3ea00981eaf14b5ac366cb5e
MD5 hash:
45872dd99e07cad61ecdaf3e507978d3
SHA1 hash:
a2f7618c8cd336772b051be8600bcd977d0a6c4f
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__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:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:HUNTING_SUSP_TLS_SECTION
Author:chaosphere
Description:Detect PE files with .tls section that can be used for anti-debugging
Reference:Practical Malware Analysis - Chapter 16
Rule name:pe_detect_tls_callbacks
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:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information


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

Web download

Vidar

Executable exe b3ac7e225f7966453e984e4ac014a3f5342e204f3ea00981eaf14b5ac366cb5e

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download

Comments