MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ab59931fb0325a31ac86e463f06c01cbb8a8c8ad2f2512a19e84698af282900a. 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 9 File information Comments

SHA256 hash:	ab59931fb0325a31ac86e463f06c01cbb8a8c8ad2f2512a19e84698af282900a
SHA3-384 hash:	3ceacf8b84037767b587aecb1c9412d87968bc2c87a906eefcaaebf8efdf976add5847079aa5bcc877937922928055a5
SHA1 hash:	a79f522437369265febe88afd65d86eb67d3b4e7
MD5 hash:	d050234371767864e62dec5e015e5a97
humanhash:	nebraska-xray-social-beer
File name:	file
Download:	download sample
Signature	Vidar Create hunting rule
File size:	204'800 bytes
First seen:	2024-05-13 14:39:02 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	a34c7216d6536a950566187b3d5a3285 (3 x Stealc, 2 x Vidar)
ssdeep	3072:Lf8yYNF9ex7nLydc8NwEfgjp9yuzKrD2U+XC3bXM/1WXBQ:T8yQF9QaOtnVzEj+SbWWXG
Threatray	124 similar samples on MalwareBazaar
TLSH	T1FC145C30B5D04436E9320870EADCA3BEC6ADE971A1722D1FA3660F382D716A75514F7B
TrID	36.9% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 23.5% (.EXE) Win64 Executable (generic) (10523/12/4) 11.2% (.EXE) Win16 NE executable (generic) (5038/12/1) 10.0% (.EXE) Win32 Executable (generic) (4504/4/1) 4.6% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter	Bitsight
Tags:	exe vidar

Bitsight

url: https://vk.com/doc5294803_669537768?hash=prFob6XImi1EUztvCIGz6aGNKY29HMcZfwfx9lZWNZ0&dl=dmDTh6LQnqRVjQNzBUJ1Jpwc76Dyq3h5wqT0z3LzDco&api=1&no_preview=1#mene

Intelligence

File Origin

# of uploads :

# of downloads :

483

Origin country :

Vendor Threat Intelligence

Malware family:

vidar

ID:

File name:

ab59931fb0325a31ac86e463f06c01cbb8a8c8ad2f2512a19e84698af282900a.exe

Verdict:

Malicious activity

Analysis date:

2024-05-13 14:41:49 UTC

Tags:

vidar

Link:

https://app.any.run/tasks/9242b769-a3f5-4105-a047-602dc8627fc4

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection(s):

Win.Malware.Trojanx-10020177-0

Gathering data

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Behavior that indicates a threat

DNS request

Connection attempt

Sending a custom TCP request

Using the Windows Management Instrumentation requests

Running batch commands

Creating a process with a hidden window

Launching a process

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

anti-vm crypto lolbin shell32 stealer

Link:

https://www.filescan.io/uploads/6642260a11114a9ab5eee42c/reports/d5f4801f-5cc5-45c5-bb53-9e97d41cbf53/overview

Verdict:

Malicious

Labled as:

Midie.Generic

Link:

https://www.hybrid-analysis.com/sample/ab59931fb0325a31ac86e463f06c01cbb8a8c8ad2f2512a19e84698af282900a

Malware family:

Vidar

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/8a0c65f1-2aca-4e85-b5f1-5a018adf2406

Result

Threat name:

PrivateLoader, Vidar

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1440624

Signature

Antivirus / Scanner detection for submitted sample

C2 URLs / IPs found in malware configuration

Found malware configuration

Found many strings related to Crypto-Wallets (likely being stolen)

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Opens network shares

Searches for specific processes (likely to inject)

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Tries to harvest and steal Bitcoin Wallet information

Tries to harvest and steal browser information (history, passwords, etc)

Tries to harvest and steal ftp login credentials

Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)

Tries to steal Crypto Currency Wallets

Yara detected AntiVM3

Yara detected Powershell download and execute

Yara detected PrivateLoader

Yara detected Vidar

Yara detected Vidar stealer

Behaviour

Behavior Graph:

Download SVG

Score:

99%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/ab59931fb0325a31ac86e463f06c01cbb8a8c8ad2f2512a19e84698af282900a

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/ab59931fb0325a31ac86e463f06c01cbb8a8c8ad2f2512a19e84698af282900a/

Threat name:

Win32.Trojan.Privateloader

Status:

Malicious

First seen:

2024-05-13 14:40:05 UTC

File Type:

PE (Exe)

AV detection:

22 of 24 (91.67%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=vnmzgh5qgjnddleg4rr7a3abzo4krsfnf4srfim6qruyv4ucsafa._file

Verdict:

malicious

Vidar

3236459655ba0fe656a0315ff00f61c1f8f853ae73347abf8bccc630a044774b

Vidar

691b46c7437376eb222b6223d1509e58dae34ca40b6e02db37e9690ea97d1431

Vidar

9396792d0a6de9fb6ca2907ad74969095251fc5ca987b9c0f4b8c6d0205462a2

Vidar

b30369cdc0a8cda16ba0703777a423f601885ce02ec151349892b56d0e769fe7

Vidar

e4877fdceffd87cec166b266532a431e0d5e7644d950ce9566d2f14bc18be5e2

Vidar

f78ea486369251e0879a5189503f607ba3168081171f6f7ee848b38009a24439

Vidar

+ 114 additional samples on MalwareBazaar

Result

Malware family:

vidar

Score:

10/10

Tags:

family:stealc family:vidar discovery spyware stealer

Link:

https://tria.ge/reports/240513-r1ar6sbd48/

Behaviour

Checks processor information in registry

Delays execution with timeout.exe

Modifies system certificate store

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Accesses cryptocurrency files/wallets, possible credential harvesting

Checks installed software on the system

Checks computer location settings

Reads data files stored by FTP clients

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Downloads MZ/PE file

Unpacked files

SH256 hash:

ab59931fb0325a31ac86e463f06c01cbb8a8c8ad2f2512a19e84698af282900a

MD5 hash:

d050234371767864e62dec5e015e5a97

SHA1 hash:

a79f522437369265febe88afd65d86eb67d3b4e7

Detections:

VidarStealer

win_stealc_a0

INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA

INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation

INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL

Link:

https://www.unpac.me/results/361fc9f6-9a6c-4d40-aab2-1e7a3defe8a4/

Parent samples :

ab59931fb0325a31ac86e463f06c01cbb8a8c8ad2f2512a19e84698af282900a
4a167b4a455e452e6e18d6c3da7485ee6200eecc6ba9cb386c13017893f42106
c49f3891c5f1168f59eccfec2dfd503fda8f321a7a7cfc81e1edad027854edc0
80994b791b545ba6a8c906e046ab6ae79c5875a4f42da07085113b4b6f22f8ca
6f34e7b47f6769d81c279e85afec251575561fcd92ad2eca935952b28bc54aae
def454f0d1da69d6c01caed4c7c1894441ba72e8153a9b4058f4407007aaf578
a2f94952c89ea440f82877365db5b4a5cf14a10e4168a22a92fce4a8fd98404f
52b70e93f94a283fc21c250db083e78fa3b7b0da91e21c7f6ac89cde730638fa
fed19121e9d547d9762e7aa6dd53e0756c414bd0a0650e38d6b0c01b000ad2fc
3f9fad1abdb738d1b67e40e2070cec3e5103972f01867df699727e1e1fa8b5fd
ac5be0e12802839366243997af6620e86ae4540a9bd888e1ac140323400095c1
94a8c46c1725fb656990f0b536166eda68c376929f0e221e60db0af6f2f4ac49
0e4673760c64a0792815f9d9562f47346818e54eb29cf1e1d39410fca5f8e00c
718f3ddfb33000759e207ae9f4b3118b34ce44f794749993f660fdcdf4dab027

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/ab59931fb032/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/ab59931fb0325a31ac86e463f06c01cbb8a8c8ad2f2512a19e84698af282900a

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:	Check_OutputDebugStringA_iat Create hunting rule

Rule name:	DebuggerCheck__API 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_NoneWindowsUA Create hunting rule
Author:	ditekSHen
Description:	Detects Windows executables referencing non-Windows User-Agents

Rule name:	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL Create hunting rule
Author:	ditekSHen
Description:	Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion

Rule name:	INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation Create hunting rule
Author:	ditekSHen
Description:	Detects executables containing potential Windows Defender anti-emulation checks

Rule name:	Windows_Generic_Threat_c374cd85 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.

Web download

Vidar

exe ab59931fb0325a31ac86e463f06c01cbb8a8c8ad2f2512a19e84698af282900a

(this sample)

Dropped by

Privateloader

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

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high
CHECK_NX	Missing Non-Executable Memory Protection	critical

Reviews

ID	Capabilities	Evidence
COM_BASE_API	Can Download & Execute components	ole32.dll::CoCreateInstance ole32.dll::CoInitializeSecurity
SHELL_API	Manipulates System Shell	SHELL32.dll::SHFileOperationA
WIN32_PROCESS_API	Can Create Process and Threads	KERNEL32.dll::OpenProcess KERNEL32.dll::CloseHandle KERNEL32.dll::CreateThread
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryW KERNEL32.dll::LoadLibraryA KERNEL32.dll::GetDriveTypeA
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateDirectoryA
WIN_BASE_USER_API	Retrieves Account Information	KERNEL32.dll::GetComputerNameA ADVAPI32.dll::GetUserNameA
WIN_REG_API	Can Manipulate Windows Registry	ADVAPI32.dll::RegGetValueA ADVAPI32.dll::RegOpenKeyExA

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