MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c391ea2f8b72e2810362cd512a640220f20fb149bdd85eaef408c25471f74b92. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c391ea2f8b72e2810362cd512a640220f20fb149bdd85eaef408c25471f74b92
SHA3-384 hash: d1412f6b0f4472c3061b44c7be5e4deceefe3ef86e2454cebb39afc2e5ab215090bddee8b0ec5ec2248d0cc62fa8a8d9
SHA1 hash: 66d5ecc84c4c6a658a84f1366f2cc3ddde1bbeb8
MD5 hash: f08f8b6f090069489e33cdc600f2086a
humanhash: august-monkey-mockingbird-double
File name:f08f8b6f090069489e33cdc600f2086a.exe
Download: download sample
Signature ArkeiStealer
Create hunting rule
File size:1'682'432 bytes
First seen:2021-06-06 07:03:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 24576:JnujuNn3zhw+apdP4FizMXr4bWSFRxCv73x0RKCRJJBh3KXqGOk2rCHI2CB:ZjRhwJ4wwr4bWS/xgmXBh30OuHIH
Threatray 1'424 similar samples on MalwareBazaar
TLSH 8675F14DBDDE8804E0D85E3AC58BC15447B5AC0429A6D33BB99B3F6C0D36F9EB8446C6
Reporter abuse_ch
Tags:ArkeiStealer exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
385
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f08f8b6f090069489e33cdc600f2086a.exe
Verdict:
Malicious activity
Analysis date:
2021-06-06 07:05:00 UTC
Tags:
trojan stealer vidar loader
Link:
https://app.any.run/tasks/d01642ee-c028-4fe2-89a0-4cf8691a00e3

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/164718/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.799.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
DNS request
Sending an HTTP GET request
Connection attempt
Deleting a recently created file
Replacing files
Reading critical registry keys
Delayed writing of the file
Running batch commands
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Searching for the window
Launching a process
Sending a TCP request to an infection source
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:
Unknown
Detection:
malicious
Classification:
spyw.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/797673
Signature
.NET source code contains potential unpacker
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 detect sandboxes and other dynamic analysis tools (process name or module or function)
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
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 430069 Sample: 3vuLRePalU.exe Startdate: 06/06/2021 Architecture: WINDOWS Score: 84 41 Multi AV Scanner detection for submitted file 2->41 43 Yara detected AntiVM3 2->43 45 .NET source code contains potential unpacker 2->45 47 2 other signatures 2->47 8 3vuLRePalU.exe 3 2->8         started        process3 file4 27 C:\Users\user\AppData\...\3vuLRePalU.exe.log, ASCII 8->27 dropped 49 Injects a PE file into a foreign processes 8->49 12 3vuLRePalU.exe 91 8->12         started        17 3vuLRePalU.exe 8->17         started        signatures5 process6 dnsIp7 37 159.69.20.131, 49758, 80 HETZNER-ASDE Germany 12->37 39 dimashub.tumblr.com 74.114.154.22, 443, 49756 AUTOMATTICUS Canada 12->39 29 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 12->29 dropped 31 C:\Users\user\AppData\...\mozglue[1].dll, PE32 12->31 dropped 33 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 12->33 dropped 35 9 other files (none is malicious) 12->35 dropped 51 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->51 53 Tries to harvest and steal browser information (history, passwords, etc) 12->53 55 Tries to steal Crypto Currency Wallets 12->55 19 cmd.exe 1 12->19         started        file8 signatures9 process10 process11 21 taskkill.exe 1 19->21         started        23 conhost.exe 19->23         started        25 timeout.exe 1 19->25         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c391ea2f8b72e2810362cd512a640220f20fb149bdd85eaef408c25471f74b92/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-06-05 01:37:44 UTC
AV detection:
18 of 29 (62.07%)
Threat level:
  5/5
Verdict:
malicious
Similar samples:
3b36f51b91f67c01015777197970e7ea37e291ff8b6401a853e9582b0a1d90cb
ArkeiStealer
3c2fa1d04daaea31991c29bb4118c3d146a50815a033ea5ae325c3171ebdf713
ArkeiStealer
6dfc5e15040bfa96f6d5042287a4433c3cad197d4528f885dfafb456cf147a1b
ArkeiStealer
73756dd47abcedb8cbd652643ff4edb42e43cebf5b576291f604f684e0612280
ArkeiStealer
800f7ba104da52d35697bf910bb102ecf9cef21966eae89fc59d348d3fa0ceea
ArkeiStealer
8358e817e423f16dcdcd3f213229f7b7b63de4a1ccce5f7ab07997a57183f758
ArkeiStealer
83f50d86c658c945ad095f32812422656d56612c31dc4f5ff72f850b604f2aac
ArkeiStealer
cb3c387163302fbf8ddb4c13e9d786c1070a4185a74bdd3faebd1649d02b2b30
ArkeiStealer
f3111a72a43115727e0224015777dbde5f4dbf285fff1b7b28f5444fa19c5310
ArkeiStealer
f91c7c2e15b7343d97bc5c3961f43ebd659440102a4a9c3359d7a9e6e0aef9d3
ArkeiStealer
+ 1'414 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar spyware stealer
Link:
https://tria.ge/reports/210606-za48h5q9fa/
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Accesses 2FA software files, possible credential harvesting
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Vidar
Unpacked files
SH256 hash:
9be5a2ad56f19bf0c087c8be6cd2a00274d43356da9533fe83871303dffbf69f
MD5 hash:
103fc41786f048573ea8b65e73413eb8
SHA1 hash:
bcb9e6c6b874a5e799f6876ccc73ebe2af42fa10
Link:
https://www.unpac.me/results/b53e2841-2841-4e0a-bd71-eb275e5ff0f5/
SH256 hash:
5bede9eedf6ae6df5a9d587c116c9583b31474c159c2b53486b000093cb3fde6
MD5 hash:
072eeac61b35d3f09edee4ff4f80f52d
SHA1 hash:
696fd9905a47e526470c2e234fef32f1ec1b74ad
Link:
https://www.unpac.me/results/b53e2841-2841-4e0a-bd71-eb275e5ff0f5/
SH256 hash:
c4d26f94b8aabf3501e7138aae630aa621f2f896b12ad393759cdfb3b141e3ef
MD5 hash:
f957e6cff57404d8cc4254cfc4dae7a2
SHA1 hash:
29e1984e049df8090cd2e82bfda725dcc51ae20c
Detections:
win_vidar_auto
Create hunting rule
Link:
https://www.unpac.me/results/b53e2841-2841-4e0a-bd71-eb275e5ff0f5/
Parent samples :
c391ea2f8b72e2810362cd512a640220f20fb149bdd85eaef408c25471f74b92
0140e6a13431a2f6e9157b7d602fd38f4f1603aee2c07219ff8af2fa2f63fce9
SH256 hash:
c391ea2f8b72e2810362cd512a640220f20fb149bdd85eaef408c25471f74b92
MD5 hash:
f08f8b6f090069489e33cdc600f2086a
SHA1 hash:
66d5ecc84c4c6a658a84f1366f2cc3ddde1bbeb8
Link:
https://www.unpac.me/results/b53e2841-2841-4e0a-bd71-eb275e5ff0f5/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.88
Link:
https://yomi.yoroi.company/submissions/c391ea2f8b72e2810362cd512a640220f20fb149bdd85eaef408c25471f74b92

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

ArkeiStealer

Executable exe c391ea2f8b72e2810362cd512a640220f20fb149bdd85eaef408c25471f74b92

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1318738/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1288364/
  
URLhaus
https://urlhaus.abuse.ch/url/1320964/
Cape
Cape
https://www.capesandbox.com/analysis/164718/

Comments