MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6a3bc5c90443b05ada5fae8086cb8929c8ac5a991eb9b21367ddbb4eb5ed0ba7. 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 5 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6a3bc5c90443b05ada5fae8086cb8929c8ac5a991eb9b21367ddbb4eb5ed0ba7
SHA3-384 hash: d27a0ab999bdaed5ff5cd9a7654c2d9af2cd5daf828d4162bb9e4066f06853146a02e851d1a2883caad19275e4c1d5d2
SHA1 hash: de1354058c4f5bd4b1bbb63c6ef53c8e0cb6b517
MD5 hash: 4527f0425aeb58b028e40f8c46c7c49b
humanhash: virginia-fish-october-robin
File name:4527f0425aeb58b028e40f8c46c7c49b
Download: download sample
Signature ArkeiStealer
Create hunting rule
File size:418'088 bytes
First seen:2021-11-29 21:18:04 UTC
Last seen:2021-11-29 22:38:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'453 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 3072:TIvA0Vb0oRNyHXIQenAKo7MMye9zurKCy5bl0EBUUffNtWEivOOOJZoeVzYN2+0t:TGTfAb7nC0WEG05iTcXWI
Threatray 670 similar samples on MalwareBazaar
TLSH T18F94F6C5A4389481CAF8B4F2B9A7F91220F52DA98DD3454DB6FDB2361472A43DD0B90F
File icon (PE):PE icon
dhash icon 090d141563496d3f (19 x RedLineStealer, 2 x RaccoonStealer, 2 x CoinMiner)
Reporter zbetcheckin
Tags:32 ArkeiStealer exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
203
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4527f0425aeb58b028e40f8c46c7c49b
Verdict:
Malicious activity
Analysis date:
2021-11-29 21:20:06 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c64894f6-47c2-4d6d-88f5-f8d3d9c2e639

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.38136575.20889.11919.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Сreating synchronization primitives
Sending a custom TCP request
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Sending an HTTP GET request
Reading critical registry keys
Changing a file
Creating a file in the %AppData% subdirectories
Creating a window
Running batch commands
Creating a process with a hidden window
Launching a process
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
evasive obfuscated overlay packed packed
Link:
https://www.filescan.io/uploads/61a5438dbbfd2af97cbad86b/reports/82be0841-3dcd-4530-bb0d-2a5729ae0375/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/38f8434b-a8fd-471a-91fa-0bd95650bdc2
Result
Threat name:
Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/898297
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to detect sleep reduction / modifications
Found malware configuration
Injects a PE file into a foreign processes
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Self deletion via cmd delete
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 steal Crypto Currency Wallets
Writes to foreign memory regions
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 530775 Sample: xa3MFotret Startdate: 29/11/2021 Architecture: WINDOWS Score: 100 44 Found malware configuration 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 Yara detected Vidar stealer 2->48 50 3 other signatures 2->50 8 xa3MFotret.exe 15 6 2->8         started        process3 dnsIp4 36 bitbucket.org 104.192.141.1, 443, 49764 AMAZON-02US United States 8->36 38 s3-w.us-east-1.amazonaws.com 52.217.0.156, 443, 49765 AMAZON-02US United States 8->38 40 2 other IPs or domains 8->40 26 C:\Users\user\AppData\...\xa3MFotret.exe, PE32 8->26 dropped 28 C:\Users\...\xa3MFotret.exe:Zone.Identifier, ASCII 8->28 dropped 30 C:\Users\user\AppData\...\xa3MFotret.exe.log, ASCII 8->30 dropped 52 Writes to foreign memory regions 8->52 54 Allocates memory in foreign processes 8->54 56 Injects a PE file into a foreign processes 8->56 13 xa3MFotret.exe 127 8->13         started        18 conhost.exe 8->18         started        file5 signatures6 process7 dnsIp8 42 185.10.68.50, 49766, 80 FLOKINETSC Seychelles 13->42 32 C:\Users\user\AppData\...\sqlite3[1].dll, PE32 13->32 dropped 34 C:\ProgramData\sqlite3.dll, PE32 13->34 dropped 58 Multi AV Scanner detection for dropped file 13->58 60 Self deletion via cmd delete 13->60 62 Tries to harvest and steal browser information (history, passwords, etc) 13->62 64 2 other signatures 13->64 20 cmd.exe 1 13->20         started        file9 signatures10 process11 process12 22 conhost.exe 20->22         started        24 timeout.exe 1 20->24         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6a3bc5c90443b05ada5fae8086cb8929c8ac5a991eb9b21367ddbb4eb5ed0ba7/
Threat name:
ByteCode-MSIL.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2021-11-29 00:45:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
12 of 45 (26.67%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ni54lsieioyfvws7v2ains4jfhekywuzd243ee3h3w5u5npnbotq._file
Verdict:
malicious
Similar samples:
219eb8db67f49d9faa3b11d61ef4e71dd3df12e9d1daf04412e291412130eb91
ArkeiStealer
2d162f57aec42d53839923f8f3f98cb381bd9f406b57475d9cd9716d24ab6fcd
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2dec3828b327d7b5cbba0ccbac40194c24e79ae96a20fb3e1f160a51e53a3bc4
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558c59266227c872fce3ff02a9a543194920446758cfc07b6d57d7af7e6d08a1
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55bea97718d10ad6dde683d1316015e4ed475558d725ee34858b15ce8b434afb
ArkeiStealer
6932bf11005f3784a8368d29919936a163032b72731981fe1fad2524dff430d5
ArkeiStealer
849713004a3185a92133947266a4e107cc5b84e15c0ae75992b0f08f928b9182
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ac50621ee130a988dc1ddc97ca8b1193249ce9a027648f482ef1b0f9cf7b2e88
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bb1944681aa2fcfd5f372fd44e041a63569b46130540225afc1560a1650d4e37
ArkeiStealer
f91702c0d02ebd73ea1077788f0ab7e964e518c7114bae31932671167819f960
ArkeiStealer
+ 660 additional samples on MalwareBazaar
Result
Malware family:
arkei
Create hunting rule
Score:
  10/10
Tags:
family:arkei botnet:default discovery spyware stealer
Link:
https://tria.ge/reports/211129-z5ln8scfhn/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Legitimate hosting services abused for malware hosting/C2
Deletes itself
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Arkei Stealer Payload
Arkei
Malware Config
C2 Extraction:
http://185.10.68.50/lYWcN6H7B1.php
Unpacked files
SH256 hash:
6a3bc5c90443b05ada5fae8086cb8929c8ac5a991eb9b21367ddbb4eb5ed0ba7
MD5 hash:
4527f0425aeb58b028e40f8c46c7c49b
SHA1 hash:
de1354058c4f5bd4b1bbb63c6ef53c8e0cb6b517
Link:
https://www.unpac.me/results/11cdd09b-2886-4b53-9bc3-271a76d06ce9/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/6a3bc5c90443b05ada5fae8086cb8929c8ac5a991eb9b21367ddbb4eb5ed0ba7

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:adonunix2
Create hunting rule
Author:Tim Brown @timb_machine
Description:AD on UNIX
Rule name:INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation
Create hunting rule
Author:ditekSHen
Description:Detects executables containing potential Windows Defender anti-emulation checks
Rule name:pe_imphash
Create hunting rule
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 6a3bc5c90443b05ada5fae8086cb8929c8ac5a991eb9b21367ddbb4eb5ed0ba7

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1829667/

Comments


Avatar
zbet commented on 2021-11-29 21:18:05 UTC

url : hxxp://host-coin-data-1.com/files/2616_1637754200_2205.exe