MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 620d15d15c20dcc0a6d2d79317160180cd92fc005fc7bbd864a8ba3be34f3635. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments

SHA256 hash: 620d15d15c20dcc0a6d2d79317160180cd92fc005fc7bbd864a8ba3be34f3635
SHA3-384 hash: bb912d1801d9505cd305adecca27b085241419579ecd38bc9356e7e66c6a0345c8c3a7319b306dd32420ca3feefd9512
SHA1 hash: 9bdfe1731d04c50a8bc33160bcf16800bcb4d622
MD5 hash: 8054fb018918f753e9a6b64f3da5b5c9
humanhash: snake-pizza-hamper-twelve
File name:8054fb018918f753e9a6b64f3da5b5c9.exe
Download: download sample
Signature ArkeiStealer
File size:730'887 bytes
First seen:2020-08-02 10:55:02 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+0V16twqQ6q/f1zfYVcjgLyQoEwqxeY/jLn16DzKdl+xBlI1X/G:pAT8QE+kAwqlq/fAcULytENxeYLLn16/
TLSH D9F40239A641817AD0220D79885BD3B9B536FB006F7CA5CF7BDD0D2C8C332591A653EA
Reporter abuse_ch
Tags:ArkeiStealer exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
89
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
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
DNS request
Sending a UDP request
Sending a custom TCP request
Sending an HTTP GET request
Launching the default Windows debugger (dwwin.exe)
Creating a file in the Windows subdirectories
Reading critical registry keys
Creating a file
Delayed writing of the file
Running batch commands
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Stealing user critical data
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Launching a tool to kill processes
Connection attempt to an infection source
Forced shutdown of a browser
Enabling autorun by creating a file
Sending an HTTP POST request to an infection source
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Binary contains a suspicious time stamp
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found many strings related to Crypto-Wallets (likely being stolen)
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 255812 Sample: UUsWPjX7RR.exe Startdate: 02/08/2020 Architecture: WINDOWS Score: 100 90 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->90 92 Detected unpacking (changes PE section rights) 2->92 94 Detected unpacking (overwrites its own PE header) 2->94 96 6 other signatures 2->96 8 UUsWPjX7RR.exe 17 23 2->8         started        process3 file4 48 C:\Program Files (x86)\...\wotsuper1.exe, PE32 8->48 dropped 50 C:\Program Files (x86)\...\wotsuper.exe, PE32 8->50 dropped 52 C:\Windows\wotsuper.reg, Little-endian 8->52 dropped 54 2 other files (1 malicious) 8->54 dropped 11 wotsuper1.exe 16 8->11         started        16 wotsuper.exe 26 8->16         started        18 iexplore.exe 11 83 8->18         started        20 regedit.exe 8->20         started        process5 dnsIp6 82 kduck.emc 185.162.235.72, 49725, 49726, 80 SERVERIUS-ASNL Russian Federation 11->82 84 wcgadvert15dx.xyz 5.61.37.112, 49730, 80 LEASEWEB-DE-FRA-10DE United Kingdom 11->84 56 C:\Users\user\AppData\Local\...\2ac5cc70..exe, PE32 11->56 dropped 58 C:\Users\user\AppData\Local\...\atx111[1].exe, PE32 11->58 dropped 102 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->102 104 Tries to steal Mail credentials (via file access) 11->104 22 2ac5cc70..exe 11->22         started        25 cmd.exe 11->25         started        86 lawrencemaths.com 78.142.29.223, 49740, 49758, 80 VERDINABZ Bulgaria 16->86 60 C:\Users\user\AppData\...\msvcp140[1].dll, PE32 16->60 dropped 62 C:\Users\user\AppData\...\freebl3[1].dll, PE32 16->62 dropped 64 C:\Users\user\AppData\...\mozglue[1].dll, PE32 16->64 dropped 66 2 other files (none is malicious) 16->66 dropped 28 WerFault.exe 20 9 16->28         started        31 WerFault.exe 16->31         started        33 WerFault.exe 16->33         started        35 WerFault.exe 16->35         started        88 iplogger.org 18->88 37 iexplore.exe 34 18->37         started        file7 signatures8 process9 dnsIp10 98 Detected unpacking (changes PE section rights) 22->98 100 Machine Learning detection for dropped file 22->100 39 2ac5cc70..exe 22->39         started        76 127.0.0.1 unknown unknown 25->76 42 conhost.exe 25->42         started        44 PING.EXE 25->44         started        68 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 28->68 dropped 70 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 31->70 dropped 72 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 33->72 dropped 74 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 35->74 dropped 78 iplogger.org 88.99.66.31, 443, 49723, 49724 HETZNER-ASDE Germany 37->78 80 192.168.2.1 unknown unknown 37->80 file11 signatures12 process13 file14 46 C:\Users\user\AppData\Local\Temp\D47F.tmp, PE32 39->46 dropped
Threat name:
Win32.Trojan.Ymacco
Status:
Malicious
First seen:
2020-08-02 10:55:06 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
n/a
Score:
  8/10
Tags:
spyware discovery
Behaviour
Checks processor information in registry
Modifies system certificate store
Suspicious use of WriteProcessMemory
Suspicious use of FindShellTrayWindow
Suspicious behavior: EnumeratesProcesses
Modifies Internet Explorer settings
Kills process with taskkill
Suspicious use of SetWindowsHookEx
Modifies data under HKEY_USERS
Checks whether UAC is enabled
Runs ping.exe
Suspicious use of AdjustPrivilegeToken
Runs .reg file with regedit
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Legitimate hosting services abused for malware hosting/C2
Checks installed software on the system
JavaScript code in executable
Reads user/profile data of local email clients
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
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:win_kpot_stealer_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:win_vidar_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:with_sqlite
Author:Julian J. Gonzalez <info@seguridadparatodos.es>
Description:Rule to detect the presence of SQLite data in raw image
Reference:http://www.st2labs.com

File information


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

Web download

ArkeiStealer

Executable exe 620d15d15c20dcc0a6d2d79317160180cd92fc005fc7bbd864a8ba3be34f3635

(this sample)

  
Delivery method
Distributed via web download

Comments