MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 8327e650ee6c38d5cefeb290782d0227e2fd282a1d0c292d76505d07309676a8. 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
| SHA256 hash: | 8327e650ee6c38d5cefeb290782d0227e2fd282a1d0c292d76505d07309676a8 |
|---|---|
| SHA3-384 hash: | adf1db54a6aa2143b9781f425d0c856a5b099bea177ee5fe5db0fd678e0a5d4f0da4f2e0ba077826b53de2827915252f |
| SHA1 hash: | 7b256197b2b6d80e21b7d82c6dd9db227027fcbf |
| MD5 hash: | d2c869687ff89a099c66d3cf4f53e69c |
| humanhash: | louisiana-illinois-arizona-alpha |
| File name: | d2c869687ff89a099c66d3cf4f53e69c |
| Download: | download sample |
| Signature | ArkeiStealer |
| File size: | 1'143'296 bytes |
| First seen: | 2022-04-08 12:02:10 UTC |
| Last seen: | 2022-04-08 13:13:33 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 12288:T4YO3rfnNV04HDC0RmqchYcAxDeh5vsE3UWfyIh3VuOm9HIf3LypBUP8pnJbxYAP:T3QbE4HdeAkH3UdU3vm9of3Jk14MjO6 |
| Threatray | 5'722 similar samples on MalwareBazaar |
| TLSH | T158359C0B926ACE5DCED1A678540D318729A204EA516094E5FBF5FD8973C7E2834F83BC |
| Reporter |  zbetcheckin |
| Tags: | 32 ArkeiStealer exe |
Intelligence
File Origin
# of uploads :
2
# of downloads :
219
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a.xlsb
Verdict:
Malicious activity
Analysis date:
2022-04-08 08:29:48 UTC
Tags:
macros40
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Adding an access-denied ACE
Using the Windows Management Instrumentation requests
Launching a process
Creating a file
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Reading critical registry keys
Creating a window
Delayed writing of the file
Moving of the original file
Stealing user critical data
Unauthorized injection to a system process
Forced shutdown of a browser
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
obfuscated packed
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Unknown
Result
Threat name:
Remcos Vidar
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Adds a new user with administrator rights
Allocates memory in foreign processes
Contains functionality to hide user accounts
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Creates an autostart registry key pointing to binary in C:\Windows
Creates autostart registry keys with suspicious names
Delayed program exit found
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with benign system names
Found evasive API chain (may stop execution after checking mutex)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
Moves itself to temp directory
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Active Directory User Backdoors
Sigma detected: File Created with System Process Name
Sigma detected: Hurricane Panda Activity
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Generic
Status:
Suspicious
First seen:
2022-04-08 09:22:01 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
14 of 42 (33.33%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 5'712 additional samples on MalwareBazaar
Result
Malware family:
vidar
Score:
10/10
Tags:
family:vidar evasion stealer
Behaviour
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
Vidar Stealer
Vidar
Unpacked files
SH256 hash:
8327e650ee6c38d5cefeb290782d0227e2fd282a1d0c292d76505d07309676a8
MD5 hash:
d2c869687ff89a099c66d3cf4f53e69c
SHA1 hash:
7b256197b2b6d80e21b7d82c6dd9db227027fcbf
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
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: | BlackGuard_Rule |
|---|---|
| Author: | Jiho Kim |
| Description: | Yara rule for BlackGuarad Stealer v1.0 - v3.0 |
| Reference: | https://www.virustotal.com/gui/file/67843d45ba538eca29c63c3259d697f7e2ba84a3da941295b9207cdb01c85b71/detection |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_Embedded_Gzip_B64Encoded_File |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables containing bas64 encoded gzip files |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL |
|---|---|
| Author: | ditekSHen |
| Description: | Detects binaries and memory artifcats referencing sandbox DLLs typically observed in sandbox evasion |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables containing SQL queries to confidential data stores. Observed in infostealers |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables containing potential Windows Defender anti-emulation checks |
| Rule name: | MALWARE_Win_Vidar |
|---|---|
| Author: | ditekSHen |
| Description: | Detects Vidar / ArkeiStealer |
| 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
Delivery method
Distributed via web download
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