MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf01948b8e3994d7e97124604495e7f0277fe622fa9bea301f161db71c6d5b90. 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: 12


Intelligence 12 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bf01948b8e3994d7e97124604495e7f0277fe622fa9bea301f161db71c6d5b90
SHA3-384 hash: 76050fd7e3bbfbb458c5d7752a094b5a1a789f213ff6d6916775ce2a45b13328c9414f483f545eedf642ff69c19877ed
SHA1 hash: 6f1588e4cff7a8b4931fff2f3938d6bdaa39d72e
MD5 hash: ae5980b0f90baee7e15d25fb9cc240ba
humanhash: golf-bravo-coffee-bluebird
File name:file
Download: download sample
Signature ArkeiStealer
Create hunting rule
File size:361'984 bytes
First seen:2023-01-01 07:12:35 UTC
Last seen:2023-01-02 04:26:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 07e3b56d69588fa6e0a5da3ff876a7b8 (33 x Smoke Loader, 12 x RedLineStealer, 6 x Amadey)
ssdeep 3072:iXFQL2LuOkhWdT5nl8KyWNzrKzwtER6trDhvtcaiKKQjJP4s695Rz/jh8xmqc2wd:ifLeWdpQhzw6aiwP4sg5KptLPcgZY
TLSH T1FA74D0307691D4B1C1361530CE69CAE0267EBCB15D730A8BF3503A6F5A7729D8AE970E
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 9a9ecedecee6cae6 (5 x RedLineStealer, 4 x Smoke Loader, 2 x ArkeiStealer)
Reporter andretavare5
Tags:ArkeiStealer exe


Avatar
andretavare5
Sample downloaded from http://45.84.0.83/2825.exe

Intelligence

File Origin
# of uploads :
667
# of downloads :
187
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
vidar
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-01 07:13:24 UTC
Tags:
trojan stealer vidar
Link:
https://app.any.run/tasks/256e56ba-df2e-4f67-8dbc-9e9d35a785b7

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.Evo-gen.9095.26923.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Using the Windows Management Instrumentation requests
Creating a window
Connecting to a non-recommended domain
Creating a process from a recently created file
Running batch commands
Creating a process with a hidden window
Launching a process
Launching the default Windows debugger (dwwin.exe)
Stealing user critical data
Unauthorized injection to a recently created process
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
anti-vm greyware packed
Link:
https://www.filescan.io/uploads/63b1327f40e878e30421bb81/reports/d3c9d4d0-0095-489b-90a6-7f554f8da164/overview
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:
Arkei Stealer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2082ac0b-c39d-4af3-b1e1-e31c16a43536
Result
Threat name:
Vidar, Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1143792
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Changes security center settings (notifications, updates, antivirus, firewall)
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Encrypted powershell cmdline option found
Found strings related to Crypto-Mining
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies power options to not sleep / hibernate
Modifies the hosts file
Multi AV Scanner detection for dropped file
PE file contains section with special chars
PE file has nameless sections
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Query firmware table information (likely to detect VMs)
Sample is not signed and drops a device driver
Self deletion via cmd or bat file
Sigma detected: Schedule system process
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
Uses powercfg.exe to modify the power settings
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Yara detected Vidar stealer
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 776522 Sample: file.exe Startdate: 01/01/2023 Architecture: WINDOWS Score: 100 88 www.google.com 2->88 90 rentry.co 2->90 108 Malicious sample detected (through community Yara rule) 2->108 110 Antivirus detection for URL or domain 2->110 112 Antivirus detection for dropped file 2->112 114 11 other signatures 2->114 10 file.exe 22 2->10         started        15 RegSvc.exe 2->15         started        17 svchost.exe 2->17         started        19 10 other processes 2->19 signatures3 process4 dnsIp5 100 t.me 149.154.167.99, 443, 49696 TELEGRAMRU United Kingdom 10->100 102 116.203.3.152, 49697, 80 HETZNER-ASDE Germany 10->102 106 2 other IPs or domains 10->106 84 C:\Users\user\AppData\Local\...\mn1[1].exe, PE32 10->84 dropped 86 C:\ProgramData\80963886801757240065.exe, PE32 10->86 dropped 140 Detected unpacking (changes PE section rights) 10->140 142 Detected unpacking (creates a PE file in dynamic memory) 10->142 144 Detected unpacking (overwrites its own PE header) 10->144 154 4 other signatures 10->154 21 80963886801757240065.exe 15 5 10->21         started        26 cmd.exe 1 10->26         started        104 rentry.co 15->104 146 Multi AV Scanner detection for dropped file 15->146 148 Machine Learning detection for dropped file 15->148 150 Changes security center settings (notifications, updates, antivirus, firewall) 17->150 28 MpCmdRun.exe 17->28         started        152 Query firmware table information (likely to detect VMs) 19->152 30 conhost.exe 19->30         started        32 chcp.com 19->32         started        34 conhost.exe 19->34         started        file6 signatures7 process8 dnsIp9 98 transfer.sh 144.76.136.153, 443, 49701 HETZNER-ASDE Germany 21->98 82 C:\Users\...\415952551-j0xYuta9G35m02YL.exe, PE32 21->82 dropped 124 Antivirus detection for dropped file 21->124 126 Multi AV Scanner detection for dropped file 21->126 128 Detected unpacking (changes PE section rights) 21->128 138 2 other signatures 21->138 36 415952551-j0xYuta9G35m02YL.exe 14 27 21->36         started        130 Encrypted powershell cmdline option found 26->130 132 Uses schtasks.exe or at.exe to add and modify task schedules 26->132 134 Uses powercfg.exe to modify the power settings 26->134 136 Modifies power options to not sleep / hibernate 26->136 41 conhost.exe 26->41         started        43 timeout.exe 1 26->43         started        45 conhost.exe 28->45         started        file10 signatures11 process12 dnsIp13 92 api.telegram.org 149.154.167.220, 443, 49704 TELEGRAMRU United Kingdom 36->92 94 rentry.co 107.189.8.5, 443, 49703, 49709 PONYNETUS United States 36->94 96 3 other IPs or domains 36->96 74 C:\ProgramData\RuntimeBrokerData\svhost.exe, PE32+ 36->74 dropped 76 C:\ProgramData\...\WinRing0x64.sys, PE32+ 36->76 dropped 78 C:\ProgramData\...\RuntimeBroker.exe, PE32 36->78 dropped 80 2 other malicious files 36->80 dropped 116 Antivirus detection for dropped file 36->116 118 Multi AV Scanner detection for dropped file 36->118 120 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 36->120 122 3 other signatures 36->122 47 cmd.exe 36->47         started        50 cmd.exe 36->50         started        52 cmd.exe 36->52         started        54 13 other processes 36->54 file14 signatures15 process16 signatures17 156 Modifies power options to not sleep / hibernate 47->156 70 7 other processes 47->70 158 Encrypted powershell cmdline option found 50->158 56 conhost.exe 50->56         started        58 powershell.exe 50->58         started        60 conhost.exe 52->60         started        62 schtasks.exe 52->62         started        64 conhost.exe 54->64         started        66 schtasks.exe 54->66         started        68 conhost.exe 54->68         started        72 23 other processes 54->72 process18
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bf01948b8e3994d7e97124604495e7f0277fe622fa9bea301f161db71c6d5b90/
Threat name:
Win32.Trojan.SmokeLoader
Create hunting rule
Status:
Malicious
First seen:
2023-01-01 07:13:05 UTC
File Type:
PE (Exe)
Extracted files:
52
AV detection:
21 of 25 (84.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x4azjc4ohgknp2lrerqejfph6atx7zrc7kn6uma7cyo3ohdnloia._file
Verdict:
malicious
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar botnet:24 discovery spyware stealer
Link:
https://tria.ge/reports/230101-h13nhsbc77/
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Program crash
Accesses 2FA software files, possible credential harvesting
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Loads dropped DLL
Reads user/profile data of web browsers
Vidar
Malware Config
C2 Extraction:
https://t.me/robloxblackl
https://steamcommunity.com/profiles/76561199458928097
Unpacked files
SH256 hash:
8cf72857269772f4b98395910e6743549604d108b2fa574ff8f180d3183e3daa
MD5 hash:
8c7ce76251bbc932947751a714678ab8
SHA1 hash:
1f49df9e18ce1f1195049c1913fc6b1ae86ae722
Link:
https://www.unpac.me/results/1611b1bb-64db-4d4d-a63c-d6dc2fa0143b/
SH256 hash:
bf01948b8e3994d7e97124604495e7f0277fe622fa9bea301f161db71c6d5b90
MD5 hash:
ae5980b0f90baee7e15d25fb9cc240ba
SHA1 hash:
6f1588e4cff7a8b4931fff2f3938d6bdaa39d72e
Link:
https://www.unpac.me/results/1611b1bb-64db-4d4d-a63c-d6dc2fa0143b/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bf01948b8e39/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/bf01948b8e3994d7e97124604495e7f0277fe622fa9bea301f161db71c6d5b90

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:Telegram_Links
Create hunting rule
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/2485201/

Comments