MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 800f7ba104da52d35697bf910bb102ecf9cef21966eae89fc59d348d3fa0ceea. 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: 10


Intelligence 10 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 800f7ba104da52d35697bf910bb102ecf9cef21966eae89fc59d348d3fa0ceea
SHA3-384 hash: fe310a23e38d77e5ae67b4d6f7994569e88181317bd981241383ec4d4eb33b8546aece73b9ed38e4d87af9f3581b7f4b
SHA1 hash: 8a27c6762abd21f9b62ccce0d736b58ab9aeb065
MD5 hash: 85971c511ca4460622906734e2453bae
humanhash: artist-robin-coffee-harry
File name:85971c511ca4460622906734e2453bae.exe
Download: download sample
Signature ArkeiStealer
Create hunting rule
File size:656'264 bytes
First seen:2021-05-29 14:38:20 UTC
Last seen:2021-05-29 15:39:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:xMnwZEf7N+6vg4O19R1qXTGICS+WhFzrDbKkcSeCyL+cUEkX:6neC7N+6+3R1xIC74z/h0CWTK
Threatray 1'337 similar samples on MalwareBazaar
TLSH E3D4BE6C4B4D2CB2CD3F0F72959228088A74D4533A92F65F8850E0DAEAC63D6D7199F7
Reporter abuse_ch
Tags:ArkeiStealer exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
314
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
loaderAsB.exe
Verdict:
Malicious activity
Analysis date:
2021-05-29 14:31:59 UTC
Tags:
autoit trojan evasion opendir rat redline loader stealer raccoon phishing
Link:
https://app.any.run/tasks/1e25cfc3-5c1e-4080-857a-52d1a501361e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Vidar
Create hunting rule
Link:
https://www.capesandbox.com/analysis/163179/
Detection(s):
SecuriteInfo.com.FileRepMalware.705.31906.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Sending a UDP request
Deleting a recently created file
Replacing files
Reading critical registry keys
Delayed writing of the file
Changing the Zone.Identifier stream
Creating a process from a recently created file
Creating a process with a hidden window
Running batch commands
Creating a file in the %temp% directory
Creating a file in the %AppData% subdirectories
Using the Windows Management Instrumentation requests
Searching for the window
Launching a process
Stealing user critical data
Launching a tool to kill processes
Forced shutdown of a browser
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.
Result
Threat name:
Vidar
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/794257
Signature
Antivirus detection for URL or domain
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Multi AV Scanner detection for submitted file
Tries to harvest and steal Bitcoin Wallet information
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
Tries to steal Instant Messenger accounts or passwords
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 426653 Sample: ryPctCtlcb.exe Startdate: 29/05/2021 Architecture: WINDOWS Score: 100 39 Found malware configuration 2->39 41 Antivirus detection for URL or domain 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 2 other signatures 2->45 8 ryPctCtlcb.exe 3 2->8         started        process3 file4 25 C:\Users\user\AppData\...\ryPctCtlcb.exe.log, ASCII 8->25 dropped 47 Injects a PE file into a foreign processes 8->47 12 ryPctCtlcb.exe 93 8->12         started        signatures5 process6 dnsIp7 35 api.faceit.com 104.17.62.50, 443, 49748 CLOUDFLARENETUS United States 12->35 37 162.55.189.102, 49749, 80 ACPCA United States 12->37 27 C:\Users\user\AppData\...\softokn3[1].dll, PE32 12->27 dropped 29 C:\Users\user\AppData\...\freebl3[1].dll, PE32 12->29 dropped 31 C:\Users\user\AppData\...\msvcp140[1].dll, PE32 12->31 dropped 33 9 other files (none is malicious) 12->33 dropped 49 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->49 51 Tries to steal Instant Messenger accounts or passwords 12->51 53 Tries to harvest and steal browser information (history, passwords, etc) 12->53 55 2 other signatures 12->55 17 cmd.exe 1 12->17         started        file8 signatures9 process10 process11 19 taskkill.exe 1 17->19         started        21 conhost.exe 17->21         started        23 timeout.exe 1 17->23         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/800f7ba104da52d35697bf910bb102ecf9cef21966eae89fc59d348d3fa0ceea/
Threat name:
ByteCode-MSIL.Trojan.Chapak
Create hunting rule
Status:
Malicious
First seen:
2021-05-29 14:39:08 UTC
AV detection:
15 of 28 (53.57%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qahxxiie3jjngvuxx6iqxmic5t4454qzm3vorh6ftu2i2p5az3va._file
Verdict:
malicious
Similar samples:
1adf152f864e7da78406dfb915fa968b6a98f9bf4978ddbb41e84711cc64fcfe
ArkeiStealer
1fe1175c82ffe146bcf31adaa4e034e58b23dfc68361367983cb9cdf0e277e66
ArkeiStealer
3b36f51b91f67c01015777197970e7ea37e291ff8b6401a853e9582b0a1d90cb
ArkeiStealer
3c2fa1d04daaea31991c29bb4118c3d146a50815a033ea5ae325c3171ebdf713
ArkeiStealer
744e44a26db2338bb948931f4ea5e6dc88bb082feeea82609c33c15fe2f1e139
ArkeiStealer
8358e817e423f16dcdcd3f213229f7b7b63de4a1ccce5f7ab07997a57183f758
ArkeiStealer
86b8e5e4868bd3d427a2aaa35d362660a8624315227cee5c607f7458e467b2c7
ArkeiStealer
cb3c387163302fbf8ddb4c13e9d786c1070a4185a74bdd3faebd1649d02b2b30
ArkeiStealer
e90c8886bc7723eed8cbb99ed4ccaabbd76013cc203e8369de5e0f3e9b314beb
ArkeiStealer
f91c7c2e15b7343d97bc5c3961f43ebd659440102a4a9c3359d7a9e6e0aef9d3
ArkeiStealer
+ 1'327 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar discovery spyware stealer
Link:
https://tria.ge/reports/210529-1m9hxg28r6/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Kills process with taskkill
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses 2FA software files, possible credential harvesting
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Deletes itself
Loads dropped DLL
Reads local data of messenger clients
Reads user/profile data of web browsers
Downloads MZ/PE file
Vidar
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/800f7ba104da52d35697bf910bb102ecf9cef21966eae89fc59d348d3fa0ceea

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:INDICATOR_SUSPICIOUS_EXE_References_CryptoWallets
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many cryptocurrency mining wallets or apps. Observed in information stealers
Rule name:MALWARE_Win_Vidar
Create hunting rule
Author:ditekSHen
Description:Detects Vidar / ArkeiStealer
Rule name:pe_imphash
Create hunting rule
Rule name:Ping_Del_method_bin_mem
Create hunting rule
Author:James_inthe_box
Description:cmd ping IP nul del
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Vidar
Create hunting rule
Author:kevoreilly
Description:Vidar Payload
Rule name:win_vidar_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:with_sqlite
Create hunting rule
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 800f7ba104da52d35697bf910bb102ecf9cef21966eae89fc59d348d3fa0ceea

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/163179/
  
URLhaus
https://urlhaus.abuse.ch/url/1290769/
  
Delivery method
Distributed via web download

Comments