MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1f6a5ac3dec3a05afee3882030374e9842e8ac52d1bf65afae656af5d4674a8c. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1f6a5ac3dec3a05afee3882030374e9842e8ac52d1bf65afae656af5d4674a8c
SHA3-384 hash: 10461fc18e2444e685909fa982e14a54c476710b8e9fe68e154e1b35a5d7a19c37b497757da3a4f00293cf6eab626065
SHA1 hash: 0f0fafbe20099778a15ee1660f169cf1b812dd1a
MD5 hash: ca334213065dce4115d8bf65159b8704
humanhash: asparagus-indigo-virginia-carolina
File name:file
Download: download sample
Signature ArkeiStealer
Create hunting rule
File size:444'928 bytes
First seen:2023-01-03 13:10:29 UTC
Last seen:2023-01-04 12:22:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 827b2aefd23a3c76bbfc7b8c8ebe149c (7 x Smoke Loader, 3 x RedLineStealer, 1 x RecordBreaker)
ssdeep 6144:j8LcALaQvwXz/2v4W0U6sKpyqkBxj+jvcZgRTaeXgJBT4qjAWTM4xVvkHb+ew:j8dLhr3KMqYsUZ/XBMqXTMENi+
TLSH T1B194DF316290E864FB1A8D749C29CAE06D39BD734B2466D33368B72F1B701F1827ED95
TrID 37.3% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
16.0% (.EXE) Win32 Executable (generic) (4505/5/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon dcfc9494949494c0 (2 x Tofsee, 1 x ArkeiStealer, 1 x RedLineStealer)
Reporter andretavare5
Tags:ArkeiStealer exe


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

Intelligence

File Origin
# of uploads :
725
# of downloads :
228
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
vidar
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-03 13:11:51 UTC
Tags:
trojan stealer vidar
Link:
https://app.any.run/tasks/e43a5d53-0679-4369-8be4-de2ba3c0741d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packer.pkr_ce1a-9980177-0
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/63b42967bf1064ac5b2d83e5/reports/7134254d-39e4-4064-8243-e566a725f0a0/overview
Result
Verdict:
MALICIOUS
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/38c0f070-7827-478c-bb7c-65130d01d038
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/1144537
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 (overwrites its own PE header)
DNS related to crypt mining pools
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)
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: 777267 Sample: file.exe Startdate: 03/01/2023 Architecture: WINDOWS Score: 100 76 xmr-eu1.nanopool.org 2->76 78 www.google.com 2->78 80 rentry.co 2->80 100 Malicious sample detected (through community Yara rule) 2->100 102 Antivirus detection for URL or domain 2->102 104 Antivirus detection for dropped file 2->104 106 12 other signatures 2->106 10 file.exe 22 2->10         started        15 RegSvc.exe 2->15         started        signatures3 process4 dnsIp5 88 t.me 149.154.167.99, 443, 49697 TELEGRAMRU United Kingdom 10->88 90 5.75.173.242, 49698, 80 HETZNER-ASDE Germany 10->90 92 45.84.0.83, 49699, 80 ALEXHOSTMD Russian Federation 10->92 70 C:\Users\user\AppData\Local\...\mn1[1].exe, PE32 10->70 dropped 72 C:\ProgramData\58630761687312436296.exe, PE32 10->72 dropped 132 Detected unpacking (changes PE section rights) 10->132 134 Detected unpacking (overwrites its own PE header) 10->134 136 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 10->136 142 3 other signatures 10->142 17 58630761687312436296.exe 15 5 10->17         started        22 cmd.exe 1 10->22         started        94 rentry.co 15->94 138 Multi AV Scanner detection for dropped file 15->138 140 Machine Learning detection for dropped file 15->140 file6 signatures7 process8 dnsIp9 74 transfer.sh 144.76.136.153, 443, 49700 HETZNER-ASDE Germany 17->74 60 C:\Users\...\193218016-j0xYuta9G35m02YL.exe, PE32 17->60 dropped 108 Antivirus detection for dropped file 17->108 110 Multi AV Scanner detection for dropped file 17->110 112 Detected unpacking (changes PE section rights) 17->112 122 2 other signatures 17->122 24 193218016-j0xYuta9G35m02YL.exe 14 27 17->24         started        114 Encrypted powershell cmdline option found 22->114 116 Uses schtasks.exe or at.exe to add and modify task schedules 22->116 118 Uses powercfg.exe to modify the power settings 22->118 120 Modifies power options to not sleep / hibernate 22->120 29 conhost.exe 22->29         started        31 timeout.exe 1 22->31         started        file10 signatures11 process12 dnsIp13 82 api.telegram.org 149.154.167.220, 443, 49703 TELEGRAMRU United Kingdom 24->82 84 rentry.co 107.189.8.5, 443, 49702, 49708 PONYNETUS United States 24->84 86 3 other IPs or domains 24->86 62 C:\ProgramData\RuntimeBrokerData\svhost.exe, PE32+ 24->62 dropped 64 C:\ProgramData\...\WinRing0x64.sys, PE32+ 24->64 dropped 66 C:\ProgramData\...\RuntimeBroker.exe, PE32 24->66 dropped 68 2 other malicious files 24->68 dropped 124 Antivirus detection for dropped file 24->124 126 Multi AV Scanner detection for dropped file 24->126 128 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 24->128 130 3 other signatures 24->130 33 cmd.exe 24->33         started        36 cmd.exe 1 24->36         started        38 cmd.exe 24->38         started        40 13 other processes 24->40 file14 signatures15 process16 signatures17 96 Modifies power options to not sleep / hibernate 33->96 56 7 other processes 33->56 98 Encrypted powershell cmdline option found 36->98 42 powershell.exe 3 36->42         started        44 conhost.exe 36->44         started        46 conhost.exe 38->46         started        48 schtasks.exe 38->48         started        50 conhost.exe 40->50         started        52 schtasks.exe 40->52         started        54 conhost.exe 40->54         started        58 23 other processes 40->58 process18
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1f6a5ac3dec3a05afee3882030374e9842e8ac52d1bf65afae656af5d4674a8c/
Threat name:
Win32.Ransomware.StopCrypt
Create hunting rule
Status:
Malicious
First seen:
2023-01-03 13:11:07 UTC
File Type:
PE (Exe)
Extracted files:
88
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=d5vfvq66yoqfv7xdraqdan2otbborlcs2g7wll5omvvplvdhjkga._file
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar botnet:24 discovery spyware stealer
Link:
https://tria.ge/reports/230103-qext5sbe24/
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/year2023start
https://steamcommunity.com/profiles/76561199467421923
Unpacked files
SH256 hash:
27820565ba1cb753115a653aab1ebdc3eff74d12d1deaccad740cfb3772e44fa
MD5 hash:
7b3b3a696d4fa48ed47122d1bde10470
SHA1 hash:
16694639ff4b506500faad3c0295c24376ef6ede
Link:
https://www.unpac.me/results/367250d1-e7fd-45d6-b3de-94ea3c94d2dd/
SH256 hash:
1f6a5ac3dec3a05afee3882030374e9842e8ac52d1bf65afae656af5d4674a8c
MD5 hash:
ca334213065dce4115d8bf65159b8704
SHA1 hash:
0f0fafbe20099778a15ee1660f169cf1b812dd1a
Link:
https://www.unpac.me/results/367250d1-e7fd-45d6-b3de-94ea3c94d2dd/
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/1f6a5ac3dec3a05afee3882030374e9842e8ac52d1bf65afae656af5d4674a8c

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: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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