MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 673891c9333bf531b86a8bd76fd4bea2966601f3db6ab53a9e1d5cd8d15171d7. 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


Vidar


Vendor detections: 15


Intelligence 15 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 673891c9333bf531b86a8bd76fd4bea2966601f3db6ab53a9e1d5cd8d15171d7
SHA3-384 hash: f06ccb3b25567b58acd43c57e2218774536edb05f578c95e5ff00dc1f9e8adc8ffd36a1cb60688e4badf33ff7c373957
SHA1 hash: 8e247f005a3cf954f36dae2621ea1150b17fe91a
MD5 hash: 1bfe546988c75d61d5f5144afb494de0
humanhash: snake-cold-eighteen-carolina
File name:da.exe
Download: download sample
Signature Vidar
Create hunting rule
File size:352'256 bytes
First seen:2023-05-13 22:49:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 572e3147b52a8a182bb424a11eea2bc5 (1 x Smoke Loader, 1 x Rhadamanthys, 1 x Vidar)
ssdeep 6144:wZRHP0yOS/6q9Lje2SaBmLD/1wn4m3RJapuVmnqYIgzkiQ8DBkQ:cRHsnS/6q9LfSSMT4mpHnWCBk
TLSH T10D74CF1376D49830F3228A314E6ACAF4661FB9A15F256BFB23446ADF29743E2C573341
TrID 39.5% (.EXE) InstallShield setup (43053/19/16)
28.6% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
9.6% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 0020e0a894672100 (1 x Vidar)
Reporter JaffaCakes118
Tags:vidar

Intelligence

File Origin
# of uploads :
1
# of downloads :
72
Origin country :
GB GB
Vendor Threat Intelligence
Malware family:
arkei
Create hunting rule
ID:
1
File name:
da.exe
Verdict:
Malicious activity
Analysis date:
2023-05-08 00:15:31 UTC
Tags:
installer stealer arkei vidar
Link:
https://app.any.run/tasks/c923f97b-fe20-4a11-88f1-d8664c252d5c

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/389019/
Detection(s):
Win.Dropper.Tofsee-10000263-0
Create hunting rule

Win.Dropper.Tofsee-10000280-0
Create hunting rule

Win.Packed.Trojanx-10001393-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a file
Reading critical registry keys
Using the Windows Management Instrumentation requests
Creating a window
Running batch commands
Creating a process with a hidden window
Launching a process
Launching the default Windows debugger (dwwin.exe)
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware lockbit packed tofsee zusy
Link:
https://www.filescan.io/uploads/6460141de6ddc946fb821733/reports/cfdabbd0-f6ca-43a8-87c5-de43b07a44bf/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/673891c9333bf531b86a8bd76fd4bea2966601f3db6ab53a9e1d5cd8d15171d7
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/9676cc8b-0842-41bf-b5dd-0a09eccaf820
Result
Threat name:
Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1232591
Signature
C2 URLs / IPs found in malware configuration
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
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Self deletion via cmd or bat file
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
Uses known network protocols on non-standard ports
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/673891c9333bf531b86a8bd76fd4bea2966601f3db6ab53a9e1d5cd8d15171d7/
Threat name:
Win32.Trojan.StopCrypt
Create hunting rule
Status:
Malicious
First seen:
2023-05-03 03:49:34 UTC
File Type:
PE (Exe)
Extracted files:
40
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=m44jdsjthp2tdodkrplw7vf6uklgmapt3nvlkou6dvonrukrohlq._file
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar botnet:37444c997bc81a7d4e2a48b7b63a1f66 discovery spyware stealer
Link:
https://tria.ge/reports/230513-2sagjshf46/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Accesses 2FA software files, possible credential harvesting
Checks installed software on the system
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Vidar
Malware Config
C2 Extraction:
https://steamcommunity.com/profiles/76561199501059503
https://t.me/mastersbots
Unpacked files
SH256 hash:
ac893efc522e111b33a9553d6799684f32710ca068ea717e49592f9e9f2b51cc
MD5 hash:
fc4a86dcb3e48a9607e88653f655d889
SHA1 hash:
6c251f5634ca80e8758fc72369a1e4a1875d4192
Detections:
VidarStealer
Create hunting rule
Link:
https://www.unpac.me/results/d6ceb1ba-1831-4dab-a774-5a738b0fcca4/
Parent samples :
b6fa048ba4866856c1d63a7a660c82806bf4debdce985d49e7b39946debea76b
673891c9333bf531b86a8bd76fd4bea2966601f3db6ab53a9e1d5cd8d15171d7
SH256 hash:
673891c9333bf531b86a8bd76fd4bea2966601f3db6ab53a9e1d5cd8d15171d7
MD5 hash:
1bfe546988c75d61d5f5144afb494de0
SHA1 hash:
8e247f005a3cf954f36dae2621ea1150b17fe91a
Link:
https://www.unpac.me/results/d6ceb1ba-1831-4dab-a774-5a738b0fcca4/
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/673891c9333bf531b86a8bd76fd4bea2966601f3db6ab53a9e1d5cd8d15171d7

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:has_telegram_urls
Create hunting rule
Author:Aaron DeVera<aaron@backchannel.re>
Description:Detects Telegram URLs
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:Telegram_Links
Create hunting rule
Rule name:Windows_Trojan_Smokeloader_3687686f
Create hunting rule
Author:Elastic Security

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/389019/

Comments