MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8673fb0671f6ae27bcc17743f4cff730b374ac61f6542117a5b6b34d44e17809. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8673fb0671f6ae27bcc17743f4cff730b374ac61f6542117a5b6b34d44e17809
SHA3-384 hash: 63e17acba233d283ab75623a368b46d70c02d801002d4596f61f1e1f122069b52ce2eb948fde5e001ae5a3269a40513d
SHA1 hash: b1f56964f8835fbfbadc460511726a6cea549f18
MD5 hash: b982623a53f1c51752c0f1eca587c363
humanhash: apart-quebec-north-echo
File name:b982623a53f1c51752c0f1eca587c363.exe
Download: download sample
Signature ArkeiStealer
Create hunting rule
File size:622'995 bytes
First seen:2020-07-31 06:58:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash c9adc83b45e363b21cd6b11b5da0501f (82 x ArkeiStealer, 60 x RecordBreaker, 46 x RedLineStealer)
ssdeep 12288:pANwRo+mv8QD4+0V16hkO4/4+4jSbyJ1qml8Jw3N4cGS5:pAT8QE+kQkj9Bml8Jw95
Threatray 348 similar samples on MalwareBazaar
TLSH A4D40135B681857BC0210D358C5FD27AB53ABB085B7894CFB7DD0E1C9D333492AA53AA
Reporter abuse_ch
Tags:ArkeiStealer exe


Avatar
abuse_ch
ArkeiStealer C2:
http://lawrencemaths.com/

KPOTStealer C2:
http://89.249.67.27/bUjyAvgAIgcicUbB/util.php

Intelligence

File Origin
# of uploads :
1
# of downloads :
74
Origin country :
n/a
Vendor Threat Intelligence
Detection:
kpot
Create hunting rule
Link:
https://www.capesandbox.com/analysis/35869/
Detection(s):
PUA.Win.Adware.Slugin-6803969-0
Create hunting rule

PUA.Win.Adware.Slugin-6840354-0
Create hunting rule

SecuriteInfo.com.PSW.Generic8.ISF.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Delayed reading of the file
Creating a file in the %temp% subdirectories
Creating a file in the Program Files subdirectories
Creating a file in the Windows directory
Deleting a recently created file
Creating a process from a recently created file
Launching a process
Creating a process with a hidden window
Searching for the window
Sending a custom TCP request
Sending an HTTP GET request
Creating a file
Reading critical registry keys
Creating a file in the Windows subdirectories
Reading Telegram data
Running batch commands
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Launching the default Windows debugger (dwwin.exe)
Setting browser functions hooks
Stealing user critical data
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Connection attempt to an infection source
Unauthorized injection to a system process
Forced shutdown of a browser
Enabling autorun with Startup directory
Sending an HTTP POST request to an infection source
Unauthorized injection to a browser process
Result
Threat name:
Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/404619
Signature
Binary contains a suspicious time stamp
Contains functionality to inject code into remote processes
Detected unpacking (changes PE section rights)
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses ping.exe to check the status of other devices and networks
Uses regedit.exe to modify the Windows registry
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 254539 Sample: kk2ShVKtPJ.exe Startdate: 31/07/2020 Architecture: WINDOWS Score: 100 54 g.msn.com 2->54 56 asf-ris-prod-neurope.northeurope.cloudapp.azure.com 2->56 70 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->70 72 Yara detected Vidar stealer 2->72 74 Machine Learning detection for dropped file 2->74 76 4 other signatures 2->76 9 kk2ShVKtPJ.exe 17 23 2->9         started        signatures3 process4 file5 38 C:\Program Files (x86)\...\wotsuper1.exe, PE32 9->38 dropped 40 C:\Program Files (x86)\...\wotsuper.exe, PE32 9->40 dropped 42 C:\Windows\wotsuper.reg, Little-endian 9->42 dropped 44 2 other files (1 malicious) 9->44 dropped 12 wotsuper1.exe 16 9->12         started        17 iexplore.exe 12 85 9->17         started        19 wotsuper.exe 22 9->19         started        21 regedit.exe 9->21         started        process6 dnsIp7 62 kduck.emc 89.45.4.239, 49723, 49724, 80 M247GB Romania 12->62 64 scgmailserv19fd.xyz 5.61.33.129, 49732, 80 LEASEWEB-DE-FRA-10DE United Kingdom 12->64 46 C:\Users\user\AppData\Local\...\418b86ec..exe, PE32 12->46 dropped 48 C:\Users\user\AppData\Local\...\atx111[1].exe, PE32 12->48 dropped 86 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->86 88 Tries to steal Mail credentials (via file access) 12->88 23 418b86ec..exe 12->23         started        26 cmd.exe 1 12->26         started        66 iplogger.org 17->66 29 iexplore.exe 34 17->29         started        68 lawrencemaths.com 78.142.29.223, 49722, 80 VERDINABZ Bulgaria 19->68 50 C:\Users\user\AppData\...\freebl3[1].dll, PE32 19->50 dropped file8 signatures9 process10 dnsIp11 78 Detected unpacking (changes PE section rights) 23->78 80 Machine Learning detection for dropped file 23->80 82 Contains functionality to inject code into remote processes 23->82 84 Injects a PE file into a foreign processes 23->84 31 418b86ec..exe 1 23->31         started        58 127.0.0.1 unknown unknown 26->58 34 conhost.exe 26->34         started        36 PING.EXE 26->36         started        60 iplogger.org 88.99.66.31, 443, 49725, 49726 HETZNER-ASDE Germany 29->60 signatures12 process13 file14 52 C:\Users\user\AppData\Local\Temp\D47F.tmp, PE32 31->52 dropped
Detection:
kpot
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8673fb0671f6ae27bcc17743f4cff730b374ac61f6542117a5b6b34d44e17809/
Threat name:
Win32.Infostealer.Vidar
Create hunting rule
Status:
Malicious
First seen:
2020-07-31 00:06:46 UTC
AV detection:
33 of 48 (68.75%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qzz7wbtr62xcppgbo5b7jt7xgczxjldb6zkccf5fw2zu2rhbpaeq._file
Verdict:
malicious
Similar samples:
0b7b7e73fba7b8967e403df8b6ccc237c0185093e05ce7c3044457accb6ad335
ArkeiStealer
2d2d3d7c27bfec647b6a9db28df14308827a652a184886c166a1d128a5f890d8
ArkeiStealer
4b3bed149062abeddef6fe68cbb439f5ae3d3044a4870a125f83dfd37c34ca6c
ArkeiStealer
6fae048e4ff41fdf6b3183d0a6f3fbe5b07d42544694c4b6ff5b76be292a1615
ArkeiStealer
70ccb52e4c78d8b68d562fb7088d143577ad35a4b0bd01581a383c41580f1b2d
ArkeiStealer
8598147a91005830b94021bf5bf401e1b10d55ff940244394e8fb3bb8f494539
ArkeiStealer
bc442d325a19719ed3271820fdec5e641d1ae4f2af2c9adf75b68f779d4cc1cb
ArkeiStealer
cd2fb19598084681b5fe849bf1cdbabb07325de447d8150463d189440e10932d
ArkeiStealer
ecb89e9f66cd7f37efefec4cb211770200ccb17c810ad741cb3ec141e41c361c
ArkeiStealer
f4221efa93b3ce5d8c92ba911661c246111653dd178bc239349cdfde8b39f7f0
ArkeiStealer
+ 338 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
spyware discovery
Link:
https://tria.ge/reports/200731-8blr3ykbsj/
Behaviour
Suspicious use of AdjustPrivilegeToken
Modifies system certificate store
Checks processor information in registry
Checks whether UAC is enabled
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of FindShellTrayWindow
Runs .reg file with regedit
Modifies Internet Explorer settings
Suspicious use of WriteProcessMemory
Modifies data under HKEY_USERS
Runs ping.exe
Kills process with taskkill
Modifies Internet Explorer settings
Kills process with taskkill
Runs ping.exe
Modifies Control Panel
Suspicious use of SetWindowsHookEx
Runs .reg file with regedit
Checks whether UAC is enabled
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Enumerates system info in registry
Modifies registry class
Checks processor information in registry
Suspicious use of AdjustPrivilegeToken
Drops file in Windows directory
Drops file in Program Files directory
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of SetThreadContext
Suspicious use of SetThreadContext
JavaScript code in executable
Checks installed software on the system
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
JavaScript code in executable
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Program crash
Checks installed software on the system
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Executes dropped EXE
Executes dropped EXE
Suspicious use of NtCreateProcessExOtherParentProcess
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Tinba
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8673fb0671f6ae27bcc17743f4cff730b374ac61f6542117a5b6b34d44e17809

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:win_kpot_stealer_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information

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

Web download

ArkeiStealer

Executable exe 8673fb0671f6ae27bcc17743f4cff730b374ac61f6542117a5b6b34d44e17809

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/35869/
  
URLhaus
https://urlhaus.abuse.ch/url/406853/
  
Delivery method
Distributed via web download

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