MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e603e36cae3f0fa9badbeaeff8fb0becb1ed444776892db76cd8d219e2ba92bd. 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: 13


Intelligence 13 IOCs YARA 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e603e36cae3f0fa9badbeaeff8fb0becb1ed444776892db76cd8d219e2ba92bd
SHA3-384 hash: 13b531551916f4b89d814799c5d3ecad2e49a18e395507c48fa017a32c33e390e3e3a54d0bc0b46668a84f706fe5f32e
SHA1 hash: 0f4a5f36b7f29f9012f73595594c564b574df9ee
MD5 hash: dd9a8bbd0b8038552cb57b07a56f0ae2
humanhash: high-magnesium-edward-arizona
File name:file
Download: download sample
Signature Vidar
Create hunting rule
File size:9'802'616 bytes
First seen:2024-08-11 04:02:55 UTC
Last seen:2024-08-11 21:27:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 196608:Jpz9fBq0j8nLcDEWbmuSrparTKQiwiYAwE5H:fHctDHQziYU5H
Threatray 12 similar samples on MalwareBazaar
TLSH T11BA6E146F684EE02C02D0737C8DF801827FCEE966B97DA2BB895735D65223A61D0D6CD
TrID 47.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
20.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
8.4% (.SCR) Windows screen saver (13097/50/3)
6.8% (.EXE) Win64 Executable (generic) (10523/12/4)
4.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
File icon (PE):PE icon
dhash icon 68c4ba4d4d3fd4e8 (1 x Vidar)
Reporter Bitsight
Tags:exe vidar


Avatar
Bitsight
url: http://147.45.44.104/prog/66b837290469c_vidar.exe#space

Intelligence

File Origin
# of uploads :
2
# of downloads :
389
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
No threats detected
Analysis date:
2024-08-11 04:03:13 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e1681351-786d-43a6-8a08-62b104c62db2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.Malwarex-10033462-0
Create hunting rule

Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66b837f9b35234d5cc65ca77
Tags:
Encryption Execution Generic Infostealer Network Other Static Stealth
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/e603e36cae3f0fa9badbeaeff8fb0becb1ed444776892db76cd8d219e2ba92bd
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:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/636be7d6-85ba-485c-b833-a15980cad70f
Result
Threat name:
Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1491181
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
AI detected suspicious sample
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Searches for specific processes (likely to inject)
Sigma detected: Silenttrinity Stager Msbuild Activity
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected Powershell download and execute
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1491181 Sample: file.exe Startdate: 11/08/2024 Architecture: WINDOWS Score: 100 34 steamcommunity.com 2->34 36 fp2e7a.wpc.phicdn.net 2->36 38 2 other IPs or domains 2->38 46 Multi AV Scanner detection for domain / URL 2->46 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 10 other signatures 2->52 9 file.exe 3 2->9         started        signatures3 process4 file5 24 C:\Users\user\AppData\Local\...\file.exe.log, ASCII 9->24 dropped 54 Found many strings related to Crypto-Wallets (likely being stolen) 9->54 56 Writes to foreign memory regions 9->56 58 Allocates memory in foreign processes 9->58 60 Injects a PE file into a foreign processes 9->60 13 MSBuild.exe 1 32 9->13         started        signatures6 process7 dnsIp8 40 steamcommunity.com 92.122.104.90, 443, 49733 AKAMAI-ASUS European Union 13->40 42 78.46.239.218, 443, 49734, 49735 HETZNER-ASDE Germany 13->42 44 arpdabl.zapto.org 38.180.132.96, 49756, 80 COGENT-174US United States 13->44 26 C:\ProgramData\...\vcruntime140.dll, PE32 13->26 dropped 28 C:\ProgramData\AKKECAFBFHJD\softokn3.dll, PE32 13->28 dropped 30 C:\ProgramData\AKKECAFBFHJD\nss3.dll, PE32 13->30 dropped 32 3 other files (none is malicious) 13->32 dropped 62 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->62 64 Found many strings related to Crypto-Wallets (likely being stolen) 13->64 66 Contains functionality to inject code into remote processes 13->66 68 5 other signatures 13->68 18 cmd.exe 1 13->18         started        file9 signatures10 process11 process12 20 conhost.exe 18->20         started        22 timeout.exe 1 18->22         started       
Score:
63%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/e603e36cae3f0fa9badbeaeff8fb0becb1ed444776892db76cd8d219e2ba92bd
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e603e36cae3f0fa9badbeaeff8fb0becb1ed444776892db76cd8d219e2ba92bd/
Threat name:
Win32.Spyware.Vidar
Create hunting rule
Status:
Malicious
First seen:
2024-08-11 04:52:33 UTC
AV detection:
16 of 24 (66.67%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4yb6g3foh4h2tow35lx7r6yl5sy62rcho2es3n3m3djbtyv2sk6q._file
Verdict:
unknown
Similar samples:
0f79d37dd89fe7f6dab0c5bb89ade5bcf8378cd30a960ffeeb27c08460c9bd03
Vidar
29b828a2d4a02f4c3508e27714ceccea4e2d117dc0466671d334a6debd7a077b
Vidar
2ccc095e2b7de720513d290dea7ad6cde991ebd3773f5140489a461873cb2ba6
Vidar
4626be711dccb87a5b4e136e17e2887eadcc44c5ed201c5d1e621d7e2cfaf530
Vidar
b8a5ef9ea9fa588907a197db55c743559460190aa58b227db10d6be75d8bfe39
Vidar
+ 2 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar credential_access discovery spyware stealer
Link:
https://tria.ge/reports/240811-emcndsyblc/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Browser Information Discovery
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Unsecured Credentials: Credentials In Files
Credentials from Password Stores: Credentials from Web Browsers
Detect Vidar Stealer
Vidar
Malware Config
C2 Extraction:
https://steamcommunity.com/profiles/76561199751190313
https://t.me/pech0nk
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/40068695-c3e5-444a-a439-10f60ed47000
Unpacked files
SH256 hash:
9ea23479c47c7ec8f3d49955f3dbfdec5dfb18c4999a4278db0fb73f9b7ad74e
MD5 hash:
d0916e302c692e954e1fe451454cb40e
SHA1 hash:
ef950f72a24cf3bf76fc0212541f1fd9d72426b0
Link:
https://www.unpac.me/results/b3cc4336-6402-4e59-8cb0-5678c1c7e60c/
SH256 hash:
81cadb6a9546328647f2fbd1713fcf8ee49921c6a0c7b155f6d287acddab5fd7
MD5 hash:
eb029ab5c2f8de328736c53dc3c7df47
SHA1 hash:
e05c4fba0236fee2516bf53a287e41e0e97a0ee5
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/b3cc4336-6402-4e59-8cb0-5678c1c7e60c/
Parent samples :
12df075fcaec366639ab37f203aa412540f351ee17e7f126a4a126e7a61c2a9b
b8a5ef9ea9fa588907a197db55c743559460190aa58b227db10d6be75d8bfe39
e603e36cae3f0fa9badbeaeff8fb0becb1ed444776892db76cd8d219e2ba92bd
SH256 hash:
8588aff96413c522fc2b3db70066282c7f9c97b28fe7e7235aca9afe9073ce16
MD5 hash:
f88f0e59cc59595359b025c7c7ade091
SHA1 hash:
8c9fd14c728bd81e1a328ae918ce889e58e6f3af
Link:
https://www.unpac.me/results/b3cc4336-6402-4e59-8cb0-5678c1c7e60c/
SH256 hash:
691ed74e60f820f5b1a66d739ff074503bd16f1b7743792bcf4840e9abbc8d2a
MD5 hash:
efa06cce09748a48345a33e7b79c588d
SHA1 hash:
8c7e2a319f1d097fbb378ddb2ce437c15778615d
Link:
https://www.unpac.me/results/b3cc4336-6402-4e59-8cb0-5678c1c7e60c/
SH256 hash:
b8d4d070f2ceb355358bdcbb9c62fdfbbdb9bd4f468ce57ade25a34f9fe7ccee
MD5 hash:
dc34aaca86e194be67fc673c8737af2d
SHA1 hash:
615d398441af2b18f4ded74e30e6d8821ebadb63
Link:
https://www.unpac.me/results/b3cc4336-6402-4e59-8cb0-5678c1c7e60c/
SH256 hash:
ad08ce6288834c4a6715b3e3e2c961a6b04170e5d062aa32a2a6cb3d7224f5e1
MD5 hash:
95df63519d5303468fb19ab90e597c6e
SHA1 hash:
4dddb178309d0a3a95a02c4da4b614d352ead483
Detections:
VidarStealer
Create hunting rule
win_stealc_a0
Create hunting rule
Link:
https://www.unpac.me/results/b3cc4336-6402-4e59-8cb0-5678c1c7e60c/
Parent samples :
12df075fcaec366639ab37f203aa412540f351ee17e7f126a4a126e7a61c2a9b
b8a5ef9ea9fa588907a197db55c743559460190aa58b227db10d6be75d8bfe39
e603e36cae3f0fa9badbeaeff8fb0becb1ed444776892db76cd8d219e2ba92bd
c955b3b1da4142b077f791749db32f9a871e62c503b421dc8fc061ac3ad71025
SH256 hash:
0ab41930f0a18d7629031bf5cd9a8c7090c13983c1d7567b9018185f0fa18f0d
MD5 hash:
2890a00ef6943ed98e2b7c6e3e49ae1c
SHA1 hash:
9072a751e68fe39222aebc87ffb898a423310ce9
Link:
https://www.unpac.me/results/b3cc4336-6402-4e59-8cb0-5678c1c7e60c/
SH256 hash:
74ebbac956e519e16923abdc5ab8912098a4f64e38ddcb2eae23969f306afe5a
MD5 hash:
4e52d739c324db8225bd9ab2695f262f
SHA1 hash:
71c3da43dc5a0d2a1941e874a6d015a071783889
Link:
https://www.unpac.me/results/b3cc4336-6402-4e59-8cb0-5678c1c7e60c/
SH256 hash:
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
MD5 hash:
1cc453cdf74f31e4d913ff9c10acdde2
SHA1 hash:
6e85eae544d6e965f15fa5c39700fa7202f3aafe
Link:
https://www.unpac.me/results/b3cc4336-6402-4e59-8cb0-5678c1c7e60c/
SH256 hash:
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
MD5 hash:
c8fd9be83bc728cc04beffafc2907fe9
SHA1 hash:
95ab9f701e0024cedfbd312bcfe4e726744c4f2e
Link:
https://www.unpac.me/results/b3cc4336-6402-4e59-8cb0-5678c1c7e60c/
SH256 hash:
edd043f2005dbd5902fc421eabb9472a7266950c5cbaca34e2d590b17d12f5fa
MD5 hash:
550686c0ee48c386dfcb40199bd076ac
SHA1 hash:
ee5134da4d3efcb466081fb6197be5e12a5b22ab
Link:
https://www.unpac.me/results/b3cc4336-6402-4e59-8cb0-5678c1c7e60c/
SH256 hash:
e603e36cae3f0fa9badbeaeff8fb0becb1ed444776892db76cd8d219e2ba92bd
MD5 hash:
dd9a8bbd0b8038552cb57b07a56f0ae2
SHA1 hash:
0f4a5f36b7f29f9012f73595594c564b574df9ee
Detections:
SUSP_NET_Msil_Suspicious_Use_StrReverse
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/b3cc4336-6402-4e59-8cb0-5678c1c7e60c/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e603e36cae3f/report/overview.html
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/e603e36cae3f0fa9badbeaeff8fb0becb1ed444776892db76cd8d219e2ba92bd

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:DotNet_Reactor
Create hunting rule
Author:@bartblaze
Description:Identifies .NET Reactor, which offers .NET code protection such as obfuscation, encryption and so on.
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:msil_suspicious_use_of_strreverse
Create hunting rule
Author:dr4k0nia
Description:Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:Njrat
Create hunting rule
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PureCrypter
Create hunting rule
Author:@bartblaze
Description:Identifies PureCrypter, .NET loader and obfuscator.
Reference:https://malpedia.caad.fkie.fraunhofer.de/details/win.purecrypter
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_NET_Msil_Suspicious_Use_StrReverse
Create hunting rule
Author:dr4k0nia, modified by Florian Roth
Description:Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse
Reference:https://github.com/dr4k0nia/yara-rules

File information

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

Web download

Vidar

Executable exe e603e36cae3f0fa9badbeaeff8fb0becb1ed444776892db76cd8d219e2ba92bd

(this sample)

  
Dropped by
Privateloader
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3100873/
  
URLhaus
https://urlhaus.abuse.ch/url/3101387/
  
URLhaus
https://urlhaus.abuse.ch/url/3101391/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments