MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8c5858fdc6044de48a8f22b1ae51eb6bfa45befe91c3a854b2b0a99b79d41581. 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: 11


Intelligence 11 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8c5858fdc6044de48a8f22b1ae51eb6bfa45befe91c3a854b2b0a99b79d41581
SHA3-384 hash: 1273c2bca531d5e2739f19f01bdd2f868f1dc3396e893a1d30d93d0922a864f8ff831b2e14e1d8fe849cff191ddc24ad
SHA1 hash: f50be915343de05ea7be649db2efe0afca4a9101
MD5 hash: 7935e0ce45cd8a98c2250b092844f611
humanhash: bravo-utah-fruit-arkansas
File name:file
Download: download sample
Signature Vidar
Create hunting rule
File size:329'728 bytes
First seen:2023-11-29 20:13:37 UTC
Last seen:2023-11-30 04:14:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash a5ba2e63e413ae40c0d8efc223d7976c (2 x Smoke Loader, 2 x Vidar, 1 x Stealc)
ssdeep 3072:grsos8xUSncSFEfu1940Po0ZYJsnZTXCNa2fUOkpWDUbVvAnQqF2gD5AsMV:KscUSrYa940Po0KJsnFCoQOV4QY2m
TLSH T105647C02A3E56861E5264A73FE1AC6E4275EF8919F157B9B33246F2F09712F1C272313
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 14b26050584a4044 (1 x Vidar)
Reporter andretavare5
Tags:exe vidar


Avatar
andretavare5
Sample downloaded from https://vk.com/doc418490229_668973646?hash=ffdIXMG0kVMSzYVauAsZOnxIalBtAHs79PdhPRwftdD&dl=cVZ6WXOZL1yzNK9Y3zpVtrciz990scCScB6RUJVJYNz&api=1&no_preview=1#lyla

Intelligence

File Origin
# of uploads :
8
# of downloads :
350
Origin country :
US US
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/461255/
Detection(s):
SecuriteInfo.com.Win32.CrypterX-gen.30707.5008.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Launching the default Windows debugger (dwwin.exe)
Gathering data
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/8c5858fdc6044de48a8f22b1ae51eb6bfa45befe91c3a854b2b0a99b79d41581
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7c7e189c-ec8f-4b23-82b2-ee17b1f23c46
Result
Threat name:
Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1350145
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8c5858fdc6044de48a8f22b1ae51eb6bfa45befe91c3a854b2b0a99b79d41581
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8c5858fdc6044de48a8f22b1ae51eb6bfa45befe91c3a854b2b0a99b79d41581/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2023-11-29 13:57:04 UTC
File Type:
PE (Exe)
Extracted files:
39
AV detection:
25 of 36 (69.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rrmfr7ogarg6jcupeky24uplnp5elpx6shb2qvfswcuzw6oucwaq._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/231129-yzy7pscc3s/
Behaviour
Modifies system certificate store
Program crash
Unpacked files
SH256 hash:
5f85c8778e69cf9c8ad5e7865dc66dcf25cbfe385e2f2227886ca2b7ae845dba
MD5 hash:
12317311ec592c884bc6eddca1cc5954
SHA1 hash:
a121f456d33959944593f7fed9ac14725855a576
Detections:
INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
Link:
https://www.unpac.me/results/ef0cc3b5-82a8-4efe-b867-21e787b72be1/
Parent samples :
1b23847db328a1eb04e93c74451d481cbbaa4d7110fe87440b203a9dad36199a
8a59a0e9b326966e4fb7353078bf82b765df754e575a3bfe3bb44220ffb41116
465bec204932baa110e7344f725d7a9acd5c1a599927e6a3a080aa31dc18101f
8c5858fdc6044de48a8f22b1ae51eb6bfa45befe91c3a854b2b0a99b79d41581
199c44e7bc7c65d6be9959d2d5875e9755104275de462698cd4f6ad94e57d25e
33b04a8d7bc2da4d5e00ce9acd0e5755daf961f1a8574ef84ba3d58761127d6a
SH256 hash:
8c5858fdc6044de48a8f22b1ae51eb6bfa45befe91c3a854b2b0a99b79d41581
MD5 hash:
7935e0ce45cd8a98c2250b092844f611
SHA1 hash:
f50be915343de05ea7be649db2efe0afca4a9101
Link:
https://www.unpac.me/results/ef0cc3b5-82a8-4efe-b867-21e787b72be1/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8c5858fdc604/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8c5858fdc6044de48a8f22b1ae51eb6bfa45befe91c3a854b2b0a99b79d41581

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_Dlls
Create hunting rule
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:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:has_telegram_urls
Create hunting rule
Author:Aaron DeVera<aaron@backchannel.re>
Description:Detects Telegram URLs
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
Author:ditekSHen
Description:Detects binaries and memory artifcats referencing sandbox DLLs typically observed in sandbox evasion
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Smokeloader_3687686f
Create hunting rule
Author:Elastic Security

File information

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

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by
  
URLhaus
https://urlhaus.abuse.ch/url/2735078/
Cape
Cape
https://www.capesandbox.com/analysis/461255/

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