MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1607f4c2da90691381b6304286e6c95e300495ff3cc2ca22c02dc7a3bc128999. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1607f4c2da90691381b6304286e6c95e300495ff3cc2ca22c02dc7a3bc128999
SHA3-384 hash: 08d1379a9126c04f9f0869268cbf4d36b5701497f9df06528888c418adc3546d597e0298baac82f98302379b3fca8206
SHA1 hash: a3915c4e76e699f6fcfacf7f09ea17be8af6492c
MD5 hash: de7a5609e5da0ef766fa1e3379b1697d
humanhash: blossom-potato-fix-earth
File name:Ksu4OpE.exe
Download: download sample
Signature Vidar
Create hunting rule
File size:562'176 bytes
First seen:2025-05-02 18:25:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b23510932b3d0f63aae2b8be70a1f033 (16 x LummaStealer, 3 x Vidar, 2 x XWorm)
ssdeep 12288:KYuste6MiSbVFs2fu6pB2PD/oRIl0r/zHiJvvAGzzHiJvvAG:KYuste6M3bVFs2fu6fS0CJ/CJ
Threatray 78 similar samples on MalwareBazaar
TLSH T1FEC4E019A39244EAFE6781BE89A05114B5737922C328DFFF5290D3372E037D05EBA725
TrID 63.5% (.EXE) Win64 Executable (generic) (10522/11/4)
12.2% (.EXE) OS/2 Executable (generic) (2029/13)
12.0% (.EXE) Generic Win/DOS Executable (2002/3)
12.0% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter aachum
Tags:exe vidar


Avatar
iamaachum
http://80.64.18.219/files/6492235410/Ksu4OpE.exe

Vidar Botnet: 67fbfb451f5f631daf82f1ea6227222f
Vidar C2: https://t.me/m00f3r
https://steamcommunity.com/profiles/76561199851454339
https://66.44.4t.com/

Intelligence

File Origin
# of uploads :
1
# of downloads :
443
Origin country :
ES ES
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Win64.Evo-gen.2120.17247.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
81.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68150ef7d5cdbfe0eb685c25
Tags:
injection virus krypt
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
microsoft_visual_cc packed packed packer_detected
Link:
https://www.filescan.io/uploads/68150e3fbab2591d0653593d/reports/49162189-f8b7-4a06-9dda-61a032c0fc67/overview
Verdict:
Malicious
Labled as:
Lazy.Generic
Link:
https://www.hybrid-analysis.com/sample/1607f4c2da90691381b6304286e6c95e300495ff3cc2ca22c02dc7a3bc128999
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/b5926824-70d6-488a-913d-6de208eb47c6
Result
Threat name:
Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1680159
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
Attempt to bypass Chrome Application-Bound Encryption
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
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Monitors registry run keys for changes
Multi AV Scanner detection for submitted file
Searches for specific processes (likely to inject)
Sigma detected: Silenttrinity Stager Msbuild Activity
Suricata IDS alerts for network traffic
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 Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1680159 Sample: Ksu4OpE.exe Startdate: 02/05/2025 Architecture: WINDOWS Score: 100 46 t.me 2->46 48 pki-goog.l.google.com 2->48 50 6 other IPs or domains 2->50 86 Suricata IDS alerts for network traffic 2->86 88 Found malware configuration 2->88 90 Malicious sample detected (through community Yara rule) 2->90 92 6 other signatures 2->92 9 Ksu4OpE.exe 2->9         started        12 msedge.exe 99 618 2->12         started        signatures3 process4 dnsIp5 94 Contains functionality to inject code into remote processes 9->94 96 Writes to foreign memory regions 9->96 98 Allocates memory in foreign processes 9->98 100 Injects a PE file into a foreign processes 9->100 15 MSBuild.exe 29 9->15         started        58 192.168.2.13 unknown unknown 12->58 60 192.168.2.14 unknown unknown 12->60 62 2 other IPs or domains 12->62 19 msedge.exe 12->19         started        21 msedge.exe 12->21         started        23 msedge.exe 12->23         started        25 msedge.exe 12->25         started        signatures6 process7 dnsIp8 66 t.me 149.154.167.99, 443, 49692 TELEGRAMRU United Kingdom 15->66 68 66.44.4t.com 5.75.209.111, 443, 49693, 49694 HETZNER-ASDE Germany 15->68 70 127.0.0.1 unknown unknown 15->70 78 Attempt to bypass Chrome Application-Bound Encryption 15->78 80 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->80 82 Found many strings related to Crypto-Wallets (likely being stolen) 15->82 84 5 other signatures 15->84 27 msedge.exe 2 11 15->27         started        30 chrome.exe 15->30         started        33 cmd.exe 15->33         started        72 s-part-0043.t-0009.t-msedge.net 13.107.246.71, 443, 49763, 49765 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 19->72 74 ax-0002.ax-msedge.net 150.171.27.11, 443, 49738, 49739 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 19->74 76 28 other IPs or domains 19->76 signatures9 process10 dnsIp11 102 Monitors registry run keys for changes 27->102 35 msedge.exe 27->35         started        64 192.168.2.5, 138, 443, 49667 unknown unknown 30->64 37 chrome.exe 30->37         started        40 chrome.exe 30->40         started        42 conhost.exe 33->42         started        44 timeout.exe 33->44         started        signatures12 process13 dnsIp14 52 www.google.com 142.250.69.4, 443, 49710, 49712 GOOGLEUS United States 37->52 54 ogads-pa.clients6.google.com 192.178.49.202, 443, 49721, 49723 GOOGLEUS United States 37->54 56 3 other IPs or domains 37->56
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1607f4c2da90691381b6304286e6c95e300495ff3cc2ca22c02dc7a3bc128999
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1607f4c2da90691381b6304286e6c95e300495ff3cc2ca22c02dc7a3bc128999/
Threat name:
Win64.Trojan.LummaStealer
Create hunting rule
Status:
Malicious
First seen:
2025-05-02 18:26:18 UTC
File Type:
PE+ (Exe)
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cyd7jqw2sburhanwgbbinzwjlyyajfp7htbmuiwafxd2hpasrgmq._file
Verdict:
malicious
Label(s):
vidar
Create hunting rule
Similar samples:
1607f4c2da90691381b6304286e6c95e300495ff3cc2ca22c02dc7a3bc128999
Vidar
2c3066d84a1942c8a7d0873d6863e47b73dca05a07283e52e567533447a7afc9
Vidar
69010ed954490a3e7496b24010bc6f6e8cba388701fc0c5a0fc2211948e59fbe
Vidar
7183b73488a0f02d00f496bd9d7b2115cdb6279c9de51cf7fc0e93fe96a202a5
Vidar
a2f4ba47ce49e4fd29fb4a9122f9cdb33f99ad902ac8d84be494bfa9f7ea5e07
Vidar
e29a3db17025e34336b10d36e5dd59ff5d1ac07ada8df0cddba0d3f3db689f65
Vidar
error
Vidar
+ 68 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar botnet:67fbfb451f5f631daf82f1ea6227222f credential_access discovery stealer
Link:
https://tria.ge/reports/250502-w27whswjz9/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Browser Information Discovery
System Location Discovery: System Language Discovery
Drops file in Windows directory
Suspicious use of SetThreadContext
Uses browser remote debugging
Detect Vidar Stealer
Vidar
Vidar family
Malware Config
C2 Extraction:
https://t.me/m00f3r
https://steamcommunity.com/profiles/76561199851454339
Verdict:
Suspicious
Tags:
stealc
YARA:
n/a
Link:
https://app.threat.zone/submission/13fe5e16-25b9-4d76-bffb-3f0355124fbd
Unpacked files
SH256 hash:
1607f4c2da90691381b6304286e6c95e300495ff3cc2ca22c02dc7a3bc128999
MD5 hash:
de7a5609e5da0ef766fa1e3379b1697d
SHA1 hash:
a3915c4e76e699f6fcfacf7f09ea17be8af6492c
Link:
https://www.unpac.me/results/0074098a-d7f3-4d37-82d4-60ade8397cdd/
Malware family:
CryptBot
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1607f4c2da90/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/1607f4c2da90691381b6304286e6c95e300495ff3cc2ca22c02dc7a3bc128999

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

Web download

Vidar

Executable exe 1607f4c2da90691381b6304286e6c95e300495ff3cc2ca22c02dc7a3bc128999

(this sample)

  
Link
https://tria.ge/250502-wjq52svrz4/behavioral1
  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3533492/

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 (GUARD_CF)high
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA
KERNEL32.dll::CreateFileW

Comments