MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 21b16dcf371d1717f234f6f2a2d96919800ab6863a89efbe66f2e7c1575535a0. 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: | 21b16dcf371d1717f234f6f2a2d96919800ab6863a89efbe66f2e7c1575535a0 |
|---|---|
| SHA3-384 hash: | d9fd330e08510c62ce793ca05072270358606b274b39e2aa19605b14ef4d9b301a9c6b4b430599fdc22936c9c123fb90 |
| SHA1 hash: | 8506f807b8905a9e1e780293f9f347c96db278ed |
| MD5 hash: | e17486cd22bb80f8d275473aa7547702 |
| humanhash: | blue-sixteen-hamper-charlie |
| File name: | e17486cd_by_Libranalysis |
| Download: | download sample |
| Signature | ArkeiStealer |
| File size: | 655'872 bytes |
| First seen: | 2021-05-03 09:03:00 UTC |
| Last seen: | 2021-05-03 10:17:02 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | d1db9fb4f98038b8a6c6d5a600499b9b (1 x DanaBot, 1 x RaccoonStealer, 1 x ArkeiStealer) |
| ssdeep | 12288:9K49rgrkf0kR7IRw+y9CqimS00EJq29GHnSBwD48z9mbD6OAZpmuW/0:9fcAmw+YCkFJNUnewDF9mFAZpa0 |
| Threatray | 752 similar samples on MalwareBazaar |
| TLSH | D1D4E020BA50C034E9B715F44DAF937C69397EA14B2C51CB62D82AEE9230AF5BD31647 |
| Reporter |  Libranalysis |
| Tags: | ArkeiStealer |
Intelligence
File Origin
# of uploads :
2
# of downloads :
123
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Predatorthethief
Result
Verdict:
Malware
Maliciousness:
Behaviour
Sending a UDP request
DNS request
Sending a custom TCP request
Creating a file
Connection attempt
Sending an HTTP GET request
Deleting a recently created file
Replacing files
Reading critical registry keys
Delayed writing of the file
Creating a window
Running batch commands
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Searching for the window
Launching a process
Stealing user critical data
Launching a tool to kill processes
Forced shutdown of a browser
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.
Result
Threat name:
Vidar
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Signature
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Tries to harvest and steal Bitcoin Wallet information
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 Instant Messenger accounts or passwords
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Wacatac
Status:
Malicious
First seen:
2021-05-03 09:03:20 UTC
AV detection:
13 of 47 (27.66%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 742 additional samples on MalwareBazaar
Result
Malware family:
vidar
Score:
10/10
Tags:
family:vidar discovery spyware stealer
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
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 local data of messenger clients
Reads user/profile data of web browsers
Downloads MZ/PE file
Vidar
Unpacked files
SH256 hash:
dbb71ce7a18dcf91f57420a2c0e232030abad67b823c4a66d6e012fb895da122
MD5 hash:
ad73603c4189cbc490d7c1add6f8cae9
SHA1 hash:
b5aefb7da5360412546287659af84e8dc63addbd
Detections:
win_vidar_auto
SH256 hash:
21b16dcf371d1717f234f6f2a2d96919800ab6863a89efbe66f2e7c1575535a0
MD5 hash:
e17486cd22bb80f8d275473aa7547702
SHA1 hash:
8506f807b8905a9e1e780293f9f347c96db278ed
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
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: | INDICATOR_SUSPICIOUS_EXE_References_CryptoWallets |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables referencing many cryptocurrency mining wallets or apps. Observed in information stealers |
| Rule name: | MALWARE_Win_Vidar |
|---|---|
| Author: | ditekSHen |
| Description: | Detects Vidar / ArkeiStealer |
| Rule name: | Ping_Del_method_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | cmd ping IP nul del |
| Rule name: | win_vidar_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | autogenerated rule brought to you by yara-signator |
| Rule name: | with_sqlite |
|---|---|
| Author: | Julian J. Gonzalez <info@seguridadparatodos.es> |
| Description: | Rule to detect the presence of SQLite data in raw image |
| Reference: | http://www.st2labs.com |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [C0003.002] Communication Micro-objective::Connect Pipe::Interprocess Communication
1) [C0003.001] Communication Micro-objective::Create Pipe::Interprocess Communication
2) [C0003.003] Communication Micro-objective::Read Pipe::Interprocess Communication
3) [C0003.004] Communication Micro-objective::Write Pipe::Interprocess Communication
4) [C0027.009] Cryptography Micro-objective::RC4::Encrypt Data
5) [C0021.004] Cryptography Micro-objective::RC4 PRGA::Generate Pseudo-random Sequence
6) [C0047] File System Micro-objective::Delete File
7) [C0049] File System Micro-objective::Get File Attributes
8) [C0051] File System Micro-objective::Read File
9) [C0052] File System Micro-objective::Writes File
10) [C0007] Memory Micro-objective::Allocate Memory
11) [C0033] Operating System Micro-objective::Console
12) [C0034.001] Operating System Micro-objective::Set Variable::Environment Variable
13) [C0040] Process Micro-objective::Allocate Thread Local Storage
14) [C0043] Process Micro-objective::Check Mutex
15) [C0042] Process Micro-objective::Create Mutex
16) [C0041] Process Micro-objective::Set Thread Local Storage Value
17) [C0018] Process Micro-objective::Terminate Process
18) [C0039] Process Micro-objective::Terminate Thread