MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 03fafd53235a01c35c4fb70937ee5d0491884e71101e7815a1b478d4ef419049. 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

ArkeiStealer

Vendor detections: 9

Intelligence 9 IOCs YARA 7 File information Comments 1

SHA256 hash:	03fafd53235a01c35c4fb70937ee5d0491884e71101e7815a1b478d4ef419049
SHA3-384 hash:	eadea465fe71cf166a6245715f3edb7619e2c17924339a434bcf48811d70610eb8f589e06fca9c712728d9c62566bd53
SHA1 hash:	5680e41dcb4852c7e0f19762a9cdf71d2e714ea5
MD5 hash:	93deb09e91071fc2719d2dbe85c65005
humanhash:	vermont-crazy-finch-solar
File name:	93deb09e91071fc2719d2dbe85c65005
Download:	download sample
Signature	ArkeiStealer Create hunting rule
File size:	2'285'376 bytes
First seen:	2022-01-12 10:55:44 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	3adc9b8534e29df76c0027f6ef4fb2ff (2 x ArkeiStealer)
ssdeep	49152:bEqHgbPYh4ldlcBHyZksySKLCFidCHSdwjpQx1zlS29pHI:bE6gTKyPyzLCcoHSduQx1zlS2
TLSH	T12DB533A88115BAA5E1E71B73196FF2B5F531105EA3F1412E602A2F7CA73833C4951B8F
File icon (PE):
dhash icon	8c14555d5918ccce (2 x CoinMiner, 1 x ArkeiStealer, 1 x RedLineStealer)
Reporter	zbetcheckin
Tags:	ArkeiStealer exe

Intelligence

File Origin

# of uploads :

# of downloads :

235

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

93deb09e91071fc2719d2dbe85c65005

Verdict:

Suspicious activity

Analysis date:

2022-01-12 11:50:53 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/4bb03b32-1830-4c5c-81c0-e4c6711150b8

Note:

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

Detection:

Vidar

Link:

https://www.capesandbox.com/analysis/218693/

Detection(s):

SecuriteInfo.com.W32.AIDetect.malware2.26156.24435.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Searching for analyzing tools

Searching for the window

Сreating synchronization primitives

DNS request

Sending a custom TCP request

Sending an HTTP GET request

Creating a file

Reading critical registry keys

Delayed writing of the file

Sending a UDP request

Running batch commands

Creating a process with a hidden window

Using the Windows Management Instrumentation requests

Launching a process

Stealing user critical data

Launching a tool to kill processes

Forced shutdown of a browser

Gathering data

Result

Verdict:

UNKNOWN

Details

Windows PE Executable

Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.

Malware family:

Ryuk

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/6ca67c42-51e4-4eb6-9796-4a6599a9aeda

Result

Threat name:

Vidar

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/919177

Signature

Antivirus detection for URL or domain

Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)

Found malware configuration

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

Hides threads from debuggers

Machine Learning detection for sample

Multi AV Scanner detection for submitted file

Self deletion via cmd delete

Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)

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

Tries to detect sandboxes and other dynamic analysis tools (window names)

Tries to evade analysis by execution special instruction which cause usermode exception

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

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

Tries to steal Crypto Currency Wallets

Yara detected Vidar

Yara detected Vidar stealer

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/03fafd53235a01c35c4fb70937ee5d0491884e71101e7815a1b478d4ef419049/

Threat name:

Win32.Trojan.Chapak

Status:

Malicious

First seen:

2022-01-12 10:56:27 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

18 of 28 (64.29%)

Threat level:

5/5

Result

Malware family:

vidar

Score:

10/10

Tags:

family:mimikatz family:vidar botnet:1125 discovery spyware stealer

Link:

https://tria.ge/reports/220112-m1ptwaccf9/

Behaviour

Checks processor information in registry

Delays execution with timeout.exe

Kills process with taskkill

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Program crash

Suspicious use of NtSetInformationThreadHideFromDebugger

Accesses 2FA software files, possible credential harvesting

Accesses cryptocurrency files/wallets, possible credential harvesting

Checks installed software on the system

Deletes itself

Loads dropped DLL

Reads user/profile data of web browsers

Downloads MZ/PE file

Vidar Stealer

mimikatz is an open source tool to dump credentials on Windows

Mimikatz

Vidar

Malware Config

C2 Extraction:

https://noc.social/@banda5ker
https://mastodon.social/@banda6ker

Unpacked files

SH256 hash:

486cfda4bd1d6c0844edcc7dabe1795f59e2e0cb17e2d70078c52fc919fcaea6

MD5 hash:

287fe8abc700f158dfc1b792aa1bace0

SHA1 hash:

12568c11d5bbb95cfc753bf078d1b14c436c18c9

Link:

https://www.unpac.me/results/0ea68eb7-007f-43b2-8920-5d48e1e373fc/

SH256 hash:

03fafd53235a01c35c4fb70937ee5d0491884e71101e7815a1b478d4ef419049

MD5 hash:

93deb09e91071fc2719d2dbe85c65005

SHA1 hash:

5680e41dcb4852c7e0f19762a9cdf71d2e714ea5

Link:

https://www.unpac.me/results/0ea68eb7-007f-43b2-8920-5d48e1e373fc/

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/03fafd53235a/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/03fafd53235a01c35c4fb70937ee5d0491884e71101e7815a1b478d4ef419049

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:	adonunix2 Create hunting rule
Author:	Tim Brown @timb_machine
Description:	AD on UNIX

Rule name:	grakate_stealer_nov_2021 Create hunting rule

Rule name:	INDICATOR_SUSPICIOUS_EXE_References_CryptoWallets Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many cryptocurrency mining wallets or apps. Observed in information stealers

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:	INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore Create hunting rule
Author:	ditekSHen
Description:	Detects executables containing SQL queries to confidential data stores. Observed in infostealers

Rule name:	MALWARE_Win_Vidar Create hunting rule
Author:	ditekSHen
Description:	Detects Vidar / ArkeiStealer

Rule name:	Vidar Create hunting rule
Author:	kevoreilly
Description:	Vidar Payload

File information

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

Web download

ArkeiStealer

exe 03fafd53235a01c35c4fb70937ee5d0491884e71101e7815a1b478d4ef419049

(this sample)

Delivery method

Distributed via web download

Cape

https://www.capesandbox.com/analysis/218693/

URLhaus

https://urlhaus.abuse.ch/url/1970353/

Comments

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zbet commented on 2022-01-12 10:55:45 UTC

url : hxxp://sehfdkfjvgn.xyz/bit.exe