MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f59b4d323a8a84c1d584b34762081f40900ef81022b6c7a6be0e7f09061da809. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f59b4d323a8a84c1d584b34762081f40900ef81022b6c7a6be0e7f09061da809
SHA3-384 hash: 59c342f1150b27dd1c3b197f1e721ca80763db4c3e43640f1ddab7049b51dcf09939aac46d3d5423c0351e7227aa7ac3
SHA1 hash: 56f88894b0edb8a4a7fc43b8b79261d1804e1396
MD5 hash: e37fb3f05845a8d10bf4c3c41f0a3bc9
humanhash: two-mockingbird-march-london
File name:file
Download: download sample
Signature ArkeiStealer
Create hunting rule
File size:385'024 bytes
First seen:2022-12-31 14:08:59 UTC
Last seen:2023-01-01 07:10:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b66bf6c809bce829748ab6b3dc895dd8 (11 x Smoke Loader, 5 x RedLineStealer, 2 x Amadey)
ssdeep 6144:c6PLlzrEAgwylnUyMgwhySCRQR17NE9WwEtBr0/xEZY:ZPpzrEA1UnUyMgwsSCRQR496tBM
TLSH T1D384DF323690C072C1625435CE25C6E46B6EBC718D775647F7942A2F6E332DD8AEA30E
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 9a9acedecee6eee6 (96 x Smoke Loader, 45 x RedLineStealer, 15 x Amadey)
Reporter andretavare5
Tags:ArkeiStealer exe


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

Intelligence

File Origin
# of uploads :
435
# of downloads :
178
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
vidar
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-12-31 14:09:52 UTC
Tags:
trojan stealer vidar
Link:
https://app.any.run/tasks/a56d61f1-3295-4f0b-94cc-7c6c0479ac91

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.2998.4831.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Stealing user critical data
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
anti-vm greyware packed
Link:
https://www.filescan.io/uploads/63b042800fdf1633326cb93a/reports/62308b27-2f83-4483-9917-90951ade825e/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/8732d5ed-3abb-4907-af93-704b70205410
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/1143566
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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)
DNS related to crypt mining pools
Encrypted powershell cmdline option found
Found many strings related to Crypto-Wallets (likely being stolen)
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)
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: 776296 Sample: file.exe Startdate: 31/12/2022 Architecture: WINDOWS Score: 100 88 xmr-eu1.nanopool.org 2->88 90 www.google.com 2->90 92 rentry.co 2->92 112 Malicious sample detected (through community Yara rule) 2->112 114 Antivirus detection for URL or domain 2->114 116 Antivirus detection for dropped file 2->116 118 13 other signatures 2->118 10 file.exe 22 2->10         started        15 cmd.exe 2->15         started        17 RegSvc.exe 2->17         started        signatures3 process4 dnsIp5 96 t.me 149.154.167.99, 443, 49700 TELEGRAMRU United Kingdom 10->96 98 116.203.3.152, 49701, 80 HETZNER-ASDE Germany 10->98 100 45.84.0.83, 49702, 80 ALEXHOSTMD Russian Federation 10->100 78 C:\Users\user\AppData\Local\...\mn1[1].exe, PE32 10->78 dropped 80 C:\ProgramData\28386659829040528229.exe, PE32 10->80 dropped 142 Detected unpacking (changes PE section rights) 10->142 144 Detected unpacking (creates a PE file in dynamic memory) 10->144 146 Detected unpacking (overwrites its own PE header) 10->146 152 4 other signatures 10->152 19 28386659829040528229.exe 15 5 10->19         started        24 cmd.exe 1 10->24         started        26 svhost.exe 15->26         started        28 conhost.exe 15->28         started        30 chcp.com 15->30         started        102 rentry.co 17->102 148 Multi AV Scanner detection for dropped file 17->148 150 Machine Learning detection for dropped file 17->150 file6 signatures7 process8 dnsIp9 94 transfer.sh 144.76.136.153, 443, 49703 HETZNER-ASDE Germany 19->94 76 C:\Users\...\385730395-j0xYuta9G35m02YL.exe, PE32 19->76 dropped 120 Antivirus detection for dropped file 19->120 122 Multi AV Scanner detection for dropped file 19->122 124 Detected unpacking (changes PE section rights) 19->124 126 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 19->126 32 385730395-j0xYuta9G35m02YL.exe 14 27 19->32         started        128 Encrypted powershell cmdline option found 24->128 130 Uses schtasks.exe or at.exe to add and modify task schedules 24->130 132 Uses powercfg.exe to modify the power settings 24->132 134 Modifies power options to not sleep / hibernate 24->134 37 conhost.exe 24->37         started        39 timeout.exe 1 24->39         started        136 Machine Learning detection for dropped file 26->136 file10 signatures11 process12 dnsIp13 82 api.telegram.org 149.154.167.220, 443, 49706 TELEGRAMRU United Kingdom 32->82 84 rentry.co 107.189.8.5, 443, 49705, 49711 PONYNETUS United States 32->84 86 4 other IPs or domains 32->86 68 C:\ProgramData\RuntimeBrokerData\svhost.exe, PE32+ 32->68 dropped 70 C:\ProgramData\...\WinRing0x64.sys, PE32+ 32->70 dropped 72 C:\ProgramData\...\RuntimeBroker.exe, PE32 32->72 dropped 74 2 other malicious files 32->74 dropped 104 Antivirus detection for dropped file 32->104 106 Multi AV Scanner detection for dropped file 32->106 108 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 32->108 110 3 other signatures 32->110 41 cmd.exe 32->41         started        44 cmd.exe 1 32->44         started        46 cmd.exe 32->46         started        48 13 other processes 32->48 file14 signatures15 process16 signatures17 138 Modifies power options to not sleep / hibernate 41->138 64 7 other processes 41->64 140 Encrypted powershell cmdline option found 44->140 50 powershell.exe 3 44->50         started        52 conhost.exe 44->52         started        54 conhost.exe 46->54         started        56 schtasks.exe 46->56         started        58 conhost.exe 48->58         started        60 schtasks.exe 48->60         started        62 conhost.exe 48->62         started        66 23 other processes 48->66 process18
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f59b4d323a8a84c1d584b34762081f40900ef81022b6c7a6be0e7f09061da809/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2022-12-31 14:09:09 UTC
File Type:
PE (Exe)
Extracted files:
53
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6wnu2mr2rkcmdvmewndweca7icia56aqek3mpjv6bz7qsbq5vaeq._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/221231-rf46aahf97/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Accesses 2FA software files, possible credential harvesting
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
Vidar
Malware Config
C2 Extraction:
https://t.me/robloxblackl
https://steamcommunity.com/profiles/76561199458928097
Gathering data
Unpacked files
SH256 hash:
8cf72857269772f4b98395910e6743549604d108b2fa574ff8f180d3183e3daa
MD5 hash:
8c7ce76251bbc932947751a714678ab8
SHA1 hash:
1f49df9e18ce1f1195049c1913fc6b1ae86ae722
Link:
https://www.unpac.me/results/1a0fa84c-169e-4bfd-84dd-41570b2a88c9/
SH256 hash:
f59b4d323a8a84c1d584b34762081f40900ef81022b6c7a6be0e7f09061da809
MD5 hash:
e37fb3f05845a8d10bf4c3c41f0a3bc9
SHA1 hash:
56f88894b0edb8a4a7fc43b8b79261d1804e1396
Link:
https://www.unpac.me/results/1a0fa84c-169e-4bfd-84dd-41570b2a88c9/
Malware family:
XMRig
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f59b4d323a8a/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/f59b4d323a8a84c1d584b34762081f40900ef81022b6c7a6be0e7f09061da809

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/

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