MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f577a96247e908ae5812fc07c3fea0673ff0f5ca47c0bdaf74920ae849d4147. 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 5 File information Comments

SHA256 hash: 3f577a96247e908ae5812fc07c3fea0673ff0f5ca47c0bdaf74920ae849d4147
SHA3-384 hash: 3bb144a7ee09f7d5bbd48758e6369114c575b20bf47e61a565f32c8b8372a14bf14c89310668c0a35076913a7386b242
SHA1 hash: e09f64550bece475a89fdd93451e2bcae9c635af
MD5 hash: b1440fcc0a482459d0f01dec71a89cd7
humanhash: shade-ceiling-summer-dakota
File name:file
Download: download sample
Signature ArkeiStealer
File size:353'792 bytes
First seen:2022-12-26 09:22:05 UTC
Last seen:2022-12-27 08:27:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ef7d669516b298c4e8cdfd574cf5e6dc (1 x ArkeiStealer, 1 x Tofsee, 1 x TeamBot)
ssdeep 6144:1LvPCilj4/W/Y87NSJ8kA6ZsfHtK88xWybIr:1Ljj4t870j1ZsfQ8r
TLSH T1C174E000B6A2D572C9130870491ACBE5572ABC21EA65EE3FF344BB5F2EF129194F6317
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 9a9acedecee6eaee (119 x Smoke Loader, 44 x Amadey, 41 x Tofsee)
Reporter andretavare5
Tags:ArkeiStealer exe


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

Intelligence


File Origin
# of uploads :
785
# of downloads :
221
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-12-26 09:25:38 UTC
Tags:
trojan stealer vidar

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP request
Сreating synchronization primitives
DNS 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
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
Verdict:
Malicious
Result
Threat name:
Vidar, Xmrig
Detection:
malicious
Classification:
troj.adwa.spyw.evad.mine
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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
Injects a PE file into a foreign processes
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
Potential dropper URLs found in powershell memory
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)
Writes to foreign memory regions
Yara detected Vidar stealer
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 773793 Sample: file.exe Startdate: 26/12/2022 Architecture: WINDOWS Score: 100 79 www.google.com 2->79 81 rentry.co 2->81 113 Malicious sample detected (through community Yara rule) 2->113 115 Antivirus detection for URL or domain 2->115 117 Antivirus detection for dropped file 2->117 119 10 other signatures 2->119 10 file.exe 22 2->10         started        15 RegSvc.exe 2->15         started        signatures3 process4 dnsIp5 89 t.me 149.154.167.99, 443, 49699 TELEGRAMRU United Kingdom 10->89 91 116.203.121.167, 49700, 80 HETZNER-ASDE Germany 10->91 93 45.84.0.83, 49701, 80 ALEXHOSTMD Russian Federation 10->93 73 C:\Users\user\AppData\Local\...\mn1[1].exe, PE32 10->73 dropped 75 C:\ProgramData\77969548194305900598.exe, PE32 10->75 dropped 135 Detected unpacking (changes PE section rights) 10->135 137 Detected unpacking (creates a PE file in dynamic memory) 10->137 139 Detected unpacking (overwrites its own PE header) 10->139 143 4 other signatures 10->143 17 77969548194305900598.exe 15 3 10->17         started        21 cmd.exe 1 10->21         started        95 rentry.co 15->95 141 Machine Learning detection for dropped file 15->141 file6 signatures7 process8 dnsIp9 77 transfer.sh 144.76.136.153, 443, 49702 HETZNER-ASDE Germany 17->77 97 Antivirus detection for dropped file 17->97 99 Machine Learning detection for dropped file 17->99 101 Writes to foreign memory regions 17->101 111 2 other signatures 17->111 23 AppLaunch.exe 14 27 17->23         started        28 RuntimeBroker.exe 17->28         started        30 AppLaunch.exe 17->30         started        32 AppLaunch.exe 17->32         started        103 Encrypted powershell cmdline option found 21->103 105 Uses schtasks.exe or at.exe to add and modify task schedules 21->105 107 Uses powercfg.exe to modify the power settings 21->107 109 Modifies power options to not sleep / hibernate 21->109 34 conhost.exe 21->34         started        36 timeout.exe 1 21->36         started        signatures10 process11 dnsIp12 83 api.telegram.org 149.154.167.220, 443, 49705 TELEGRAMRU United Kingdom 23->83 85 rentry.co 107.189.8.5, 443, 49704, 49710 PONYNETUS United States 23->85 87 3 other IPs or domains 23->87 65 C:\ProgramData\RuntimeBrokerData\svhost.exe, PE32+ 23->65 dropped 67 C:\ProgramData\...\WinRing0x64.sys, PE32+ 23->67 dropped 69 C:\ProgramData\...\RuntimeBroker.exe, PE32 23->69 dropped 71 2 other malicious files 23->71 dropped 125 Modifies the hosts file 23->125 127 Sample is not signed and drops a device driver 23->127 38 cmd.exe 23->38         started        41 cmd.exe 1 23->41         started        43 cmd.exe 23->43         started        45 13 other processes 23->45 129 Multi AV Scanner detection for dropped file 28->129 131 Machine Learning detection for dropped file 28->131 133 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 30->133 file13 signatures14 process15 signatures16 121 Modifies power options to not sleep / hibernate 38->121 61 7 other processes 38->61 123 Encrypted powershell cmdline option found 41->123 47 powershell.exe 5 41->47         started        49 conhost.exe 41->49         started        51 conhost.exe 43->51         started        53 schtasks.exe 43->53         started        55 conhost.exe 45->55         started        57 schtasks.exe 45->57         started        59 conhost.exe 45->59         started        63 23 other processes 45->63 process17
Threat name:
Win32.Trojan.Raccoon
Status:
Malicious
First seen:
2022-12-26 09:23:08 UTC
File Type:
PE (Exe)
Extracted files:
57
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:vidar botnet:24 discovery spyware stealer
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
Suspicious use of SetThreadContext
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
Unpacked files
SH256 hash:
8cf72857269772f4b98395910e6743549604d108b2fa574ff8f180d3183e3daa
MD5 hash:
8c7ce76251bbc932947751a714678ab8
SHA1 hash:
1f49df9e18ce1f1195049c1913fc6b1ae86ae722
SH256 hash:
3f577a96247e908ae5812fc07c3fea0673ff0f5ca47c0bdaf74920ae849d4147
MD5 hash:
b1440fcc0a482459d0f01dec71a89cd7
SHA1 hash:
e09f64550bece475a89fdd93451e2bcae9c635af
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:pdb_YARAify
Author:@wowabiy314
Description:PDB
Rule name:Telegram_Links
Rule name:Windows_Trojan_Smokeloader_3687686f
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

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