MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6a86335380f777a4f1979a4aefd529777fa51f4478a8bac2cc3b9e5759566445. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6a86335380f777a4f1979a4aefd529777fa51f4478a8bac2cc3b9e5759566445
SHA3-384 hash: f3593bf948b8ad7782ad34a440c5ef38c2dcb48481cd07990c28158726ea28cdab88fb80e371ccc23c899beb8b12f0f7
SHA1 hash: 13351a8ba0aaaf542d1913a5831e46e2f306ef91
MD5 hash: d7410af54047ad3d78c6e75db97a0a17
humanhash: cola-spring-cold-bacon
File name:d7410af54047ad3d78c6e75db97a0a17.exe
Download: download sample
Signature ArkeiStealer
Create hunting rule
File size:633'501 bytes
First seen:2021-11-12 10:11:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 12288:3yYdO7dejClw8Nz56tVOk8MQDMUb69pL0jdNUJ/:bRClwqz56tVOzO9IdY/
TLSH T149D4AE2477F1507BD1A6077ADEA3FB18F2749F927A26260F2310BF88BE75341690B458
File icon (PE):PE icon
dhash icon 81e0f8f2f672b230 (1 x ArkeiStealer)
Reporter abuse_ch
Tags:ArkeiStealer exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
106
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/205234/
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/618e3df6dec3347825a2acc5/reports/9c6475d8-2b06-4cdf-874b-cc09b84f98d9/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.
Malware family:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/45c13b6b-d8be-4665-9d04-6bf94f8bae3d
Result
Threat name:
AgentTesla Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/888097
Signature
.NET source code contains very large array initializations
Antivirus detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses process hollowing technique
Self deletion via cmd delete
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Yara detected AgentTesla
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 520571 Sample: 2xH9L2RB6W.exe Startdate: 12/11/2021 Architecture: WINDOWS Score: 100 44 mail.privateemail.com 2->44 52 Found malware configuration 2->52 54 Antivirus detection for URL or domain 2->54 56 Antivirus detection for dropped file 2->56 58 5 other signatures 2->58 9 2xH9L2RB6W.exe 17 2->9         started        signatures3 process4 file5 34 C:\Users\user\AppData\Local\...\asnldiozo.dll, PE32 9->34 dropped 68 Self deletion via cmd delete 9->68 70 Sample uses process hollowing technique 9->70 72 Injects a PE file into a foreign processes 9->72 13 2xH9L2RB6W.exe 130 9->13         started        18 wuapihost.exe 9->18         started        signatures6 process7 dnsIp8 46 cryptosgain.com 68.65.122.37, 443, 49778 NAMECHEAP-NETUS United States 13->46 48 185.242.104.143, 49776, 80 FISHNET-ASRU Latvia 13->48 50 bit.do 54.83.52.76, 49777, 80 AMAZON-AESUS United States 13->50 36 C:\ProgramData\testw.exe, PE32 13->36 dropped 38 C:\...\Win_32Activator_kl_nt4_Itself[1].exe, PE32 13->38 dropped 40 C:\Users\user\AppData\...\sqlite3[1].dll, PE32 13->40 dropped 42 C:\ProgramData\sqlite3.dll, PE32 13->42 dropped 74 Self deletion via cmd delete 13->74 76 Tries to harvest and steal browser information (history, passwords, etc) 13->76 78 Tries to steal Crypto Currency Wallets 13->78 20 testw.exe 17 13->20         started        24 cmd.exe 1 13->24         started        file9 signatures10 process11 file12 32 C:\Users\user\AppData\Local\...\mklneziv.dll, PE32 20->32 dropped 60 Multi AV Scanner detection for dropped file 20->60 62 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 20->62 64 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 20->64 66 Injects a PE file into a foreign processes 20->66 26 testw.exe 2 20->26         started        28 conhost.exe 24->28         started        30 timeout.exe 1 24->30         started        signatures13 process14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6a86335380f777a4f1979a4aefd529777fa51f4478a8bac2cc3b9e5759566445/
Threat name:
Win32.Backdoor.Zapchast
Create hunting rule
Status:
Malicious
First seen:
2021-11-12 04:36:51 UTC
AV detection:
18 of 45 (40.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nkddgu4a6532j4mxtjfo7vjjo572kh2epculvqwmhopfowkwmrcq._file
Result
Malware family:
arkei
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla family:arkei botnet:default collection discovery keylogger spyware stealer trojan
Link:
https://tria.ge/reports/211112-l83j9sabbm/
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
outlook_office_path
outlook_win_path
NSIS installer
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Deletes itself
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
AgentTesla Payload
Arkei Stealer Payload
AgentTesla
Arkei
Malware Config
C2 Extraction:
http://185.242.104.143/LBsx06U4hn.php
Unpacked files
SH256 hash:
6a86335380f777a4f1979a4aefd529777fa51f4478a8bac2cc3b9e5759566445
MD5 hash:
d7410af54047ad3d78c6e75db97a0a17
SHA1 hash:
13351a8ba0aaaf542d1913a5831e46e2f306ef91
Link:
https://www.unpac.me/results/c9332f1b-af25-4db6-8e4d-1f0fad5398eb/
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/6a86335380f7/report/overview.html
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/6a86335380f777a4f1979a4aefd529777fa51f4478a8bac2cc3b9e5759566445

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_WindDefender_AntiEmaulation
Create hunting rule
Author:ditekSHen
Description:Detects executables containing potential Windows Defender anti-emulation checks

File information

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

Web download

ArkeiStealer

Executable exe 6a86335380f777a4f1979a4aefd529777fa51f4478a8bac2cc3b9e5759566445

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1764572/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/205234/

Comments