MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0a95d4ce3cf0abd7e088be99dff4f66be4caaee5954a32e992acb0f99a6faf00. 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 9 File information Comments 1

SHA256 hash: 0a95d4ce3cf0abd7e088be99dff4f66be4caaee5954a32e992acb0f99a6faf00
SHA3-384 hash: 9044d4203741aea6ca2415d69eaa097b6e490fc02a634172162f2602538490e113676c6f66a440b289b6b93f8d378454
SHA1 hash: 9703764f163381d5be7aceee38e2acb0fe2715a8
MD5 hash: 97dc61a20acae1de748adada172b23f9
humanhash: double-wolfram-idaho-crazy
File name:97dc61a20acae1de748adada172b23f9
Download: download sample
Signature ArkeiStealer
File size:1'225'216 bytes
First seen:2021-12-15 03:05:17 UTC
Last seen:2021-12-15 05:18:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'659 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:nBlJDRMjYpFw1vYiYwrHVSKQrgfAynV2wOj5v9w27oTgBfJXA:nBPRMM8rHMKQrgrOjHw2oTgBfJXA
Threatray 4'538 similar samples on MalwareBazaar
TLSH T112457B2C7E414A72FF3D90F08E4D0AD8BF660A0F2281A9A517DB15CBA74FD656DC5C88
File icon (PE):PE icon
dhash icon b3b3b371716b93b3 (25 x CryptOne, 12 x RemcosRAT, 6 x RedLineStealer)
Reporter zbetcheckin
Tags:32 ArkeiStealer exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
180
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
97dc61a20acae1de748adada172b23f9
Verdict:
Malicious activity
Analysis date:
2021-12-15 03:06:31 UTC
Tags:
trojan stealer vidar loader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Launching a process
Using the Windows Management Instrumentation requests
DNS request
Sending a custom TCP request
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm obfuscated packed vidar
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:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Binary or sample is protected by dotNetProtector
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
Tries to delay execution (extensive OutputDebugStringW loop)
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
Writes to foreign memory regions
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 540045 Sample: enZe4nozsw Startdate: 15/12/2021 Architecture: WINDOWS Score: 100 36 Found malware configuration 2->36 38 Antivirus detection for URL or domain 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 5 other signatures 2->42 8 enZe4nozsw.exe 2 2->8         started        process3 signatures4 44 Writes to foreign memory regions 8->44 46 Tries to delay execution (extensive OutputDebugStringW loop) 8->46 48 Injects a PE file into a foreign processes 8->48 11 vbc.exe 75 8->11         started        process5 dnsIp6 32 mstdn.social 116.202.14.219, 443, 49762 HETZNER-ASDE Germany 11->32 34 159.69.92.223, 49763, 80 HETZNER-ASDE Germany 11->34 24 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 11->24 dropped 26 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 11->26 dropped 28 C:\Users\user\AppData\...\mozglue[1].dll, PE32 11->28 dropped 30 9 other files (none is malicious) 11->30 dropped 50 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->50 52 Tries to harvest and steal browser information (history, passwords, etc) 11->52 54 Tries to steal Crypto Currency Wallets 11->54 16 cmd.exe 1 11->16         started        file7 signatures8 process9 process10 18 taskkill.exe 1 16->18         started        20 conhost.exe 16->20         started        22 timeout.exe 1 16->22         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-12-11 20:54:40 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
25 of 45 (55.56%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:vidar botnet:1066 spyware stealer suricata
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Accesses 2FA software files, possible credential harvesting
Accesses cryptocurrency files/wallets, possible credential harvesting
Loads dropped DLL
Uses the VBS compiler for execution
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://mstdn.social/@sergeev43
https://koyu.space/@sergeev45
Unpacked files
SH256 hash:
830d1c3652784f2d8f764e79bee576f1b54b9645d959a6684066701436fd2d2d
MD5 hash:
2f7ac5c9d2b9f675217c3224446e8003
SHA1 hash:
3a04eb6fc5a89ffc531ddfc86f0ffdccba68f96c
SH256 hash:
0a95d4ce3cf0abd7e088be99dff4f66be4caaee5954a32e992acb0f99a6faf00
MD5 hash:
97dc61a20acae1de748adada172b23f9
SHA1 hash:
9703764f163381d5be7aceee38e2acb0fe2715a8
Please note that we are no longer able to provide a coverage score for Virus Total.

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_EXE_Packed_Dotfuscator
Author:ditekSHen
Description:Detects executables packed with Dotfuscator
Rule name:INDICATOR_EXE_Packed_dotNetProtector
Author:ditekSHen
Description:Detects executables packed with dotNetProtector
Rule name:INDICATOR_EXE_Packed_SmartAssembly
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:MALWARE_Win_Vidar
Author:ditekSHen
Description:Detects Vidar / ArkeiStealer
Rule name:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Vidar
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 0a95d4ce3cf0abd7e088be99dff4f66be4caaee5954a32e992acb0f99a6faf00

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2021-12-15 03:05:18 UTC

url : hxxp://212.193.30.29/USA/client2_300us.exe