MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8117405a4dfe0e21ae2064f1a129da59dbc31d3830967e43e0b63f9c52b058c1. 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: 9


Intelligence 9 IOCs YARA 8 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8117405a4dfe0e21ae2064f1a129da59dbc31d3830967e43e0b63f9c52b058c1
SHA3-384 hash: cbe4675dc142e675196e2cf1c0a199acf2aaa6f13ddd3dfbaaf7ba5487e7a754f90e7a1950df664418a5d94d75cd32df
SHA1 hash: fb8ea0782fd0a016608e456882b2a0fafe978405
MD5 hash: 32240716f56a089ce49fcd044d20d7e8
humanhash: bacon-bacon-oranges-missouri
File name:32240716f56a089ce49fcd044d20d7e8
Download: download sample
Signature ArkeiStealer
Create hunting rule
File size:1'057'776 bytes
First seen:2021-09-17 06:12:36 UTC
Last seen:2021-09-17 06:47:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'751 x AgentTesla, 19'657 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 24576:G+oELLuVzvLM223WfM8oFJYEVOdsCDd3lF4iDWz3lbWaDTvT:hoEfkzDM2sL862tDd3AQWz1blPr
Threatray 3'631 similar samples on MalwareBazaar
TLSH T1052512A82710AA66DADE0F73C1234589D330A5665742F40F79D6A2D73EB2ACFB5050CF
dhash icon 503878f2c2e8f000 (3 x RedLineStealer, 1 x ArkeiStealer)
Reporter zbetcheckin
Tags:32 ArkeiStealer exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
122
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
setup_x86_x64_install.exe
Verdict:
Malicious activity
Analysis date:
2021-09-17 00:00:35 UTC
Tags:
trojan evasion loader rat redline stealer vidar opendir raccoon banker dridex
Link:
https://app.any.run/tasks/3b9b5014-884f-4c73-958c-643712e21fe0

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/188543/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.46983641.7253.18896.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated overlay packed
Link:
https://www.filescan.io/uploads/61752690db358dd15ed92a8d/reports/0fde8e6b-7185-4bb9-8800-f187a0cf6288/overview
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/57c54995-9506-44e1-904e-378da1742f08
Result
Threat name:
Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/852474
Signature
.NET source code contains potential unpacker
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Machine Learning detection for sample
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 harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Yara detected AntiVM3
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 484905 Sample: 4u7PEStFht Startdate: 17/09/2021 Architecture: WINDOWS Score: 100 41 Found malware configuration 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 Yara detected Vidar 2->45 47 6 other signatures 2->47 8 4u7PEStFht.exe 3 2->8         started        process3 file4 25 C:\Users\user\AppData\...\4u7PEStFht.exe.log, ASCII 8->25 dropped 49 Self deletion via cmd delete 8->49 51 Injects a PE file into a foreign processes 8->51 12 4u7PEStFht.exe 74 8->12         started        signatures5 process6 dnsIp7 35 116.203.165.54, 49741, 80 HETZNER-ASDE Germany 12->35 37 dimonbk83.tumblr.com 74.114.154.22, 443, 49740 AUTOMATTICUS Canada 12->37 39 192.168.2.1 unknown unknown 12->39 27 C:\Users\user\AppData\Local\...\nss3[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 53 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->53 55 Self deletion via cmd delete 12->55 57 Tries to harvest and steal browser information (history, passwords, etc) 12->57 59 Tries to steal Crypto Currency Wallets 12->59 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/8117405a4dfe0e21ae2064f1a129da59dbc31d3830967e43e0b63f9c52b058c1/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-09-16 16:24:52 UTC
AV detection:
15 of 27 (55.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qeluawsn7yhcdlramty2cko2lhn4ghjygclh4q7awy7zyuvqldaq._file
Verdict:
malicious
Similar samples:
4cfbdd8acdc923beeca12d94f06d2f1632765434a2087df7ac803c254a0adf9c
ArkeiStealer
7b0409caebe92c8b64a6f3b3f071bf7829eb98e4904d077b291695e2b2619413
ArkeiStealer
8c98a7c9446f00b61acdccc30d9e50f3ee651530a4131cfc3956c1949526fbb4
ArkeiStealer
9abec502e3a5167e3851de29c80c681de2c6ab879a0c49646f92761018c7987b
ArkeiStealer
a6a4ea6a622b43f7f7b866d147b70db495c7595ce85895c55e5a2b9fbf4291a2
ArkeiStealer
b83c933c2216e6b6251fec84fdcce2f341f20f52934977355331cf3a140b83c5
ArkeiStealer
c9952fbf329b8a9b3400196c5bfefb8c48bdb7a8a3c8ff4176dc804aed898f1c
ArkeiStealer
e3772dff75f0c54d488300728db28432abacffff7485f8da1b05a3f7cf0bc0ae
ArkeiStealer
f1bb2d91c7594b776d0674a778c3208b73ef8caaf63427fb33c97481d783903b
ArkeiStealer
fd5be24f8a05f5a97e1424b367ae6e0db88c55f7ee952392e66f94e17d16b903
ArkeiStealer
+ 3'621 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar botnet:921 discovery spyware stealer suricata
Link:
https://tria.ge/reports/210917-gyrb2ahgcr/
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 user/profile data of web browsers
Downloads MZ/PE file
Vidar Stealer
Vidar
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
Malware Config
C2 Extraction:
https://dimonbk83.tumblr.com/
Unpacked files
SH256 hash:
e6830d029ea9c9e5d1f17dd42d3dc3344e0261768274f8bf5517fb3804510901
MD5 hash:
8233662e51a8e3ef8582d7d803abd568
SHA1 hash:
f51c168bc047803e4f17a027ec59853148cb4676
Link:
https://www.unpac.me/results/6fec3aeb-8d35-454e-a0ef-6e4b5b39ca92/
SH256 hash:
ad4a7895d529d5164302bb88596964ab42ff125bf0f5544418c80b6d438cb587
MD5 hash:
43ababb6b0a02907aad43084f12b10d9
SHA1 hash:
b60ba705891d5a666d64300181b475a46714ffa8
Link:
https://www.unpac.me/results/6fec3aeb-8d35-454e-a0ef-6e4b5b39ca92/
SH256 hash:
fa8ebdba9fd9b8de2a8be81af72d53cdb8a386dab7ac48289ad97945ee418442
MD5 hash:
ecda27c4824c1f574a6697035c1727fd
SHA1 hash:
465e3fdc748e22aa12ae4c7ced35d63ddde34435
Link:
https://www.unpac.me/results/6fec3aeb-8d35-454e-a0ef-6e4b5b39ca92/
SH256 hash:
8117405a4dfe0e21ae2064f1a129da59dbc31d3830967e43e0b63f9c52b058c1
MD5 hash:
32240716f56a089ce49fcd044d20d7e8
SHA1 hash:
fb8ea0782fd0a016608e456882b2a0fafe978405
Link:
https://www.unpac.me/results/6fec3aeb-8d35-454e-a0ef-6e4b5b39ca92/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/8117405a4dfe/report/overview.html
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/8117405a4dfe0e21ae2064f1a129da59dbc31d3830967e43e0b63f9c52b058c1

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_KB_CERT_1f3216f428f850be2c66caa056f6d821
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Create hunting rule
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation
Create hunting rule
Author:ditekSHen
Description:Detects executables containing potential Windows Defender anti-emulation checks
Rule name:MALWARE_Win_Vidar
Create hunting rule
Author:ditekSHen
Description:Detects Vidar / ArkeiStealer
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
Rule name:Vidar
Create hunting rule
Author:kevoreilly
Description:Vidar Payload

File information

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

Web download

ArkeiStealer

Executable exe 8117405a4dfe0e21ae2064f1a129da59dbc31d3830967e43e0b63f9c52b058c1

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/188543/
  
URLhaus
https://urlhaus.abuse.ch/url/1559347/

Comments


Avatar
zbet commented on 2021-09-17 06:12:37 UTC

url : hxxp://37.0.10.214/WW/fileT2.exe