MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31ed8b68fb8e89733592db1a594f42c5f6eecf7d86ec2f8fd115f780a396e366. 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: 15


Intelligence 15 IOCs YARA 23 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 31ed8b68fb8e89733592db1a594f42c5f6eecf7d86ec2f8fd115f780a396e366
SHA3-384 hash: 53e7fefbc77afbe90359e2e8351267f66b7dd8bf51f2ffcaf858e8561cffc0d38fa8570674751bdac63f7d5adab29565
SHA1 hash: 641a008523f45ab07c01cefa8d9a1894c38cd6b1
MD5 hash: 8583201dd0e97cebd3d8f060c187fad8
humanhash: pizza-winter-hydrogen-alaska
File name:BootstrapperAppxx.exe
Download: download sample
Signature Vidar
Create hunting rule
File size:4'810'816 bytes
First seen:2025-11-13 14:24:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d42595b695fc008ef2c56aabd8efd68e (92 x Rhadamanthys, 60 x Vidar, 41 x LummaStealer)
ssdeep 98304:kHy6cXP1z6m53454OiZrq1DfPHNADtV6v+Lj:kHPW3g4O7NADtV6v+Lj
TLSH T1E4268D576DE84C69D459E231C9E246E12A27FC483B3227D72920FF7B6E327C08672725
TrID 44.4% (.EXE) Win64 Executable (generic) (10522/11/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter burger
Tags:exe vidar

Intelligence

File Origin
# of uploads :
1
# of downloads :
108
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
vidar
Create hunting rule
ID:
1
File name:
BootstrapperAppxx.exe
Verdict:
Malicious activity
Analysis date:
2025-11-13 14:23:39 UTC
Tags:
stealer stealc vidar xor-url generic golang
Link:
https://app.any.run/tasks/247260bc-bbc4-45b8-85ce-bacd2cf99438

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/38109/
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6915ea14434cd67b17c0da88
Tags:
emotet cobalt
Result
Verdict:
Clean
Maliciousness:

Behaviour
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:
anti-vm expired-cert golang installer-heuristic invalid-signature packed redcap signed
Link:
https://www.filescan.io/uploads/6915ea593de87983cdedbc16/reports/3efbd15b-2267-4b8a-8392-c4c6e7a7f5fb/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/31ed8b68fb8e89733592db1a594f42c5f6eecf7d86ec2f8fd115f780a396e366
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-11-13T06:24:00Z UTC
Last seen:
2025-11-14T01:07:00Z UTC
Hits:
~100
Detections:
Trojan.Win64.Agent.sb PDM:Trojan.Win32.Generic VHO:Trojan.Win64.Agent.smevzo Trojan.Win64.Agent.smevzo
Link:
https://opentip.kaspersky.com/31ed8b68fb8e89733592db1a594f42c5f6eecf7d86ec2f8fd115f780a396e366/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/0ebbe8d0-6f86-45dc-bf7e-50168fe40bd6
Result
Threat name:
Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1813378
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to inject threads in other processes
Creates a thread in another existing process (thread injection)
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
Sets debug register (to hijack the execution of another thread)
Suricata IDS alerts for network traffic
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Unusual module load detection (module proxying)
Writes to foreign memory regions
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1813378 Sample: BootstrapperAppxx.exe Startdate: 13/11/2025 Architecture: WINDOWS Score: 100 32 dja.hotelsinjacksonvillefl.com 2->32 34 www.google.com 2->34 36 telegram.me 2->36 58 Suricata IDS alerts for network traffic 2->58 60 Found malware configuration 2->60 62 Antivirus detection for URL or domain 2->62 64 4 other signatures 2->64 8 BootstrapperAppxx.exe 16 2->8         started        signatures3 process4 dnsIp5 52 dja.hotelsinjacksonvillefl.com 5.75.214.222, 443, 49727, 49729 HETZNER-ASDE Germany 8->52 54 telegram.me 149.154.167.99, 443, 49726 TELEGRAMRU United Kingdom 8->54 66 Contains functionality to inject threads in other processes 8->66 68 Tries to harvest and steal browser information (history, passwords, etc) 8->68 70 Sets debug register (to hijack the execution of another thread) 8->70 72 8 other signatures 8->72 12 chrome.exe 1 8->12         started        15 chrome.exe 1 8->15         started        17 chrome.exe 1 8->17         started        19 3 other processes 8->19 signatures6 process7 dnsIp8 56 192.168.2.4, 138, 443, 49708 unknown unknown 12->56 21 chrome.exe 12->21         started        24 chrome.exe 15->24         started        26 chrome.exe 17->26         started        28 chrome.exe 19->28         started        30 chrome.exe 19->30         started        process9 dnsIp10 38 plus.l.google.com 142.250.72.110, 443, 49755 GOOGLEUS United States 21->38 40 142.251.40.132, 443, 49747, 49748 GOOGLEUS United States 21->40 46 4 other IPs or domains 21->46 42 142.250.188.4, 443, 49768, 49769 GOOGLEUS United States 24->42 48 3 other IPs or domains 24->48 44 142.250.80.36, 443, 49785, 49786 GOOGLEUS United States 26->44 50 3 other IPs or domains 26->50
Score:
43%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/31ed8b68fb8e89733592db1a594f42c5f6eecf7d86ec2f8fd115f780a396e366
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/8583201dd0e97cebd3d8f060c187fad8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/31ed8b68fb8e89733592db1a594f42c5f6eecf7d86ec2f8fd115f780a396e366/
Verdict:
Malicious
Threat:
Family.STEALC
Link:
https://tip.neiki.dev/file/31ed8b68fb8e89733592db1a594f42c5f6eecf7d86ec2f8fd115f780a396e366
Threat name:
Win64.Spyware.Vidar
Create hunting rule
Status:
Malicious
First seen:
2025-11-13 10:56:49 UTC
File Type:
PE+ (Exe)
Extracted files:
822
AV detection:
17 of 24 (70.83%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ghwyw2h3r2exgnms3mnfst2cyx3o5t35q3wc7d6rcx3ybi4w4nta._file
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar botnet:9fa4ca6efbc12cd9b1dabd4bc4723ef3 discovery spyware stealer
Link:
https://tria.ge/reports/251113-rrhreswjd1/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Browser Information Discovery
Enumerates physical storage devices
Drops file in Windows directory
Checks installed software on the system
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Detects Vidar Stealer
Vidar
Vidar family
Malware Config
C2 Extraction:
https://steamcommunity.com/profiles/76561198770591383
Verdict:
Malicious
Tags:
Stealc
YARA:
n/a
Link:
https://app.threat.zone/submission/23de617c-295c-42a5-8a3d-436e723cb121
Unpacked files
SH256 hash:
31ed8b68fb8e89733592db1a594f42c5f6eecf7d86ec2f8fd115f780a396e366
MD5 hash:
8583201dd0e97cebd3d8f060c187fad8
SHA1 hash:
641a008523f45ab07c01cefa8d9a1894c38cd6b1
Link:
https://www.unpac.me/results/cc9d32e8-eb72-453a-9e31-a1f56453fa21/
Malware family:
Vidar
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/31ed8b68fb8e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/31ed8b68fb8e89733592db1a594f42c5f6eecf7d86ec2f8fd115f780a396e366

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
Create hunting rule
Rule name:command_and_control
Create hunting rule
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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__RemoteAPI
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectGoMethodSignatures
Create hunting rule
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:dgaagas
Create hunting rule
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:GoBinTest
Create hunting rule
Rule name:golang
Create hunting rule
Rule name:Golangmalware
Create hunting rule
Author:Dhanunjaya
Description:Malware in Golang
Rule name:golang_binary_string
Create hunting rule
Description:Golang strings present
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:golang_duffcopy_amd64
Create hunting rule
Rule name:HiveRansomware
Create hunting rule
Author:Dhanunjaya
Description:Yara Rule To Detect Hive V4 Ransomware
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:ProgramLanguage_Golang
Create hunting rule
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SUSP_XORed_URL_In_EXE
Create hunting rule
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
Create hunting rule
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
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
Create hunting rule
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.

Cape
Cape
https://www.capesandbox.com/analysis/38109/

Comments