MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f88733cd3c378ba6dadc00b1f7b8ffd592d4889ffb3157b7d70a8347d30fe7fd. 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: 12


Intelligence 12 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f88733cd3c378ba6dadc00b1f7b8ffd592d4889ffb3157b7d70a8347d30fe7fd
SHA3-384 hash: 42bf8f0b7ce6b78b3ff44bbd748b0ec572d4fc15f418f96cb95073bfa2c8c8541c393785e859b40ec9fa7a4683cbbf56
SHA1 hash: 70e936b6950660e5f5eb8bec83180fe9baf783a2
MD5 hash: b58830f79ca2832528e74fc745f1ccf1
humanhash: oregon-spring-lithium-three
File name:b58830f79ca2832528e74fc745f1ccf1.exe
Download: download sample
Signature ArkeiStealer
Create hunting rule
File size:567'808 bytes
First seen:2021-01-09 13:29:48 UTC
Last seen:2021-01-09 15:44:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 51f3f223eb524785c1900912591586f0 (4 x ArkeiStealer, 3 x DarkVNC, 2 x RaccoonStealer)
ssdeep 12288:W+f8g02KBJMqJiK987zCxPhSVCJ+5JcpGIgR:W+f8g02yMqJ187+xPhSsgLckIgR
Threatray 647 similar samples on MalwareBazaar
TLSH BDC412404B8198C3FD3AB63246B5EFC546C4F0B5D5A03266BCF6AA72DC7A0F6D6B1205
Reporter abuse_ch
Tags:ArkeiStealer exe


Avatar
abuse_ch
ArkeiStealer C2:
http://vgames2021.com/

Intelligence

File Origin
# of uploads :
2
# of downloads :
321
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b58830f79ca2832528e74fc745f1ccf1.exe
Verdict:
Malicious activity
Analysis date:
2021-01-09 13:31:34 UTC
Tags:
trojan stealer vidar loader evasion
Link:
https://app.any.run/tasks/8295b582-e7b2-4dea-94d6-a8b2888c44e9

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/111119/
Detection(s):
PUA.Win.Packer.Upx-48
Create hunting rule

PUA.Win.Packer.Upolyx-12
Create hunting rule

PUA.Win.Packer.Upx-4
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Connection attempt
Sending an HTTP GET request
Creating a file
Deleting a recently created file
Replacing files
Reading critical registry keys
Creating a window
Delayed writing of the file
Sending a UDP request
Running batch commands
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Searching for the window
Stealing user critical data
Launching a tool to kill processes
Forced shutdown of a browser
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.
Result
Threat name:
Vidar
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/577294
Signature
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for sample
May check the online IP address of the machine
Multi AV Scanner detection for submitted file
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
Tries to steal Mail credentials (via file access)
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f88733cd3c378ba6dadc00b1f7b8ffd592d4889ffb3157b7d70a8347d30fe7fd/
Threat name:
Win32.Trojan.Chapak
Create hunting rule
Status:
Malicious
First seen:
2021-01-09 13:30:09 UTC
AV detection:
16 of 28 (57.14%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7cdthtj4g6f2nww4acy7poh72wjnjce77myvpn6xbkbupuyp476q._file
Verdict:
malicious
Similar samples:
12401b4dc0090bd1d61b0253eef90ea395ac98f7d40d458822277c5bf4dc3efe
ArkeiStealer
2b6114a62abacb1a8db1fdb29f9855bca78d8e77dfdb3db07d4a0f59cfb4d9a2
ArkeiStealer
341fecc8089d07c5ddfdfb4925b3243681723294dc9fb211c5d5f14441ccee85
ArkeiStealer
4c32e1f716d9c07d672c2fdaa5876040842e9e47752a233b3074a1d4d4fa0454
ArkeiStealer
a6cbb0f97a2c34e7f937717c5562483873acc484526b5cad893243dc7450fcb3
ArkeiStealer
bdf2a1937a05ca661942145ec7317ce25e54cb0469fe4c3ae60a7994bcb6bd3a
ArkeiStealer
cc9d4503dffaeece35d50b239fb5237a586ba3e384e4a80c9be237aa1c7d09e2
ArkeiStealer
e2c6852826bbdcbf36f7fbb5ef3faf5b5ee31ad6fe59c604d00e33c52eb06e72
ArkeiStealer
e774c62260c1a3095072af8779ce8d1f7382b41857d93ac3bfc8db6b053ff455
ArkeiStealer
f9f072e9e6d366d1ccb933632b54130ab28c38f2004c23cdbc03fcd57f8118c7
ArkeiStealer
+ 637 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar discovery spyware stealer upx
Link:
https://tria.ge/reports/210109-rq596x253a/
Behaviour
Checks processor information in registry
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Accesses 2FA software files, possible credential harvesting
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
JavaScript code in executable
Looks up external IP address via web service
Deletes itself
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Vidar
Unpacked files
SH256 hash:
f88733cd3c378ba6dadc00b1f7b8ffd592d4889ffb3157b7d70a8347d30fe7fd
MD5 hash:
b58830f79ca2832528e74fc745f1ccf1
SHA1 hash:
70e936b6950660e5f5eb8bec83180fe9baf783a2
Link:
https://www.unpac.me/results/ef5efadc-ed39-4b2d-9114-aca793adbe59/
SH256 hash:
c0404e2849b1573ce3895620ae0dec85ff1eb6f3fea26f6b9660f14d95407b27
MD5 hash:
3c2b9de079ce7e531c1e414b7bd4c3a2
SHA1 hash:
d69faaa7c7b71dd135693bbcffc39d4b1cf2de93
Link:
https://www.unpac.me/results/ef5efadc-ed39-4b2d-9114-aca793adbe59/
SH256 hash:
0560a123735b6270787a14889ac4b3c6fb7d572dc1a973e906d7cb9e2d2fa576
MD5 hash:
b38973a430c1fdda80c61edb0c3d3572
SHA1 hash:
f43b9c1881aeead08c4f57ff35f7f7a824788dad
Detections:
win_vidar_g0
Create hunting rule
Link:
https://www.unpac.me/results/ef5efadc-ed39-4b2d-9114-aca793adbe59/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Azorult
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f88733cd3c378ba6dadc00b1f7b8ffd592d4889ffb3157b7d70a8347d30fe7fd

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:suspicious_packer_section
Create hunting rule
Author:@j0sm1
Description:The packer/protector section names/keywords
Reference:http://www.hexacorn.com/blog/2012/10/14/random-stats-from-1-2m-samples-pe-section-names/
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:win_vidar_g0
Create hunting rule
Author:Slavo Greminger, SWITCH-CERT
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 f88733cd3c378ba6dadc00b1f7b8ffd592d4889ffb3157b7d70a8347d30fe7fd

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/927868/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/111119/

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