MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3ef1d040731916fee2fe1317c53a0e363f05fd12f87b84563af86ac5d49f74c2. 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: 16


Intelligence 16 IOCs YARA 3 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3ef1d040731916fee2fe1317c53a0e363f05fd12f87b84563af86ac5d49f74c2
SHA3-384 hash: d19f6a6aec4f34859167ab071d0b1b17a3e6428e234b1fa4742c7bab3e3d79e0ff82bfdd5d3ed2462cd91664cc3c3a25
SHA1 hash: f15aa6ce0470b63d98406f3a4821675a2bb45732
MD5 hash: 5715f2100028b28f508559c4782daa5e
humanhash: texas-three-mars-mockingbird
File name:5715f2100028b28f508559c4782daa5e
Download: download sample
Signature Vidar
Create hunting rule
File size:914'616 bytes
First seen:2024-07-12 08:35:30 UTC
Last seen:2024-07-12 10:28:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash be41bf7b8cc010b614bd36bbca606973 (195 x LummaStealer, 126 x DanaBot, 63 x Vidar)
ssdeep 24576:I+e7iVe757APGlGVu2nzlsQAaibE/1lrGAipWX:k2VQ57TAVPnzlsQAPEjL
Threatray 844 similar samples on MalwareBazaar
TLSH T13C15230A4FB94517DBF08EF420A685536DB7E60168FC548B2A01CFDE3532FD15879A2E
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon 78f6d3c7f66678b0 (1 x Vidar)
Reporter zbetcheckin
Tags:32 exe vidar

Intelligence

File Origin
# of uploads :
2
# of downloads :
408
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
3ef1d040731916fee2fe1317c53a0e363f05fd12f87b84563af86ac5d49f74c2
Verdict:
Malicious activity
Analysis date:
2024-07-11 03:57:24 UTC
Tags:
stealer opendir loader remcos rat remote evasion
Link:
https://app.any.run/tasks/a197cbad-5dfa-47ee-82a9-646c4e880cc8

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.BAT.Siggen.278.10.3463.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6690eaf33bfaa4adffc8214fwin7simulatehigh_evasion
Tags:
Banker Discovery Encryption Execution Generic Network Other Static Heur Dexter
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Сreating synchronization primitives
Launching cmd.exe command interpreter
Creating a process with a hidden window
Moving a file to the %temp% directory
Launching a process
Using the Windows Management Instrumentation requests
Searching for synchronization primitives
Running batch commands
Creating a file
Creating a process from a recently created file
Creating a window
DNS request
Behavior that indicates a threat
Connection attempt
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
installer lolbin microsoft_visual_cc overlay packed shell32
Link:
https://www.filescan.io/uploads/6690eb03fe05860727db08fa/reports/b02829da-d5f4-4b17-afe2-3b06690206b4/overview
Verdict:
Malicious
Labled as:
Win/grayware_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/3ef1d040731916fee2fe1317c53a0e363f05fd12f87b84563af86ac5d49f74c2
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/15935630-3937-48de-bbab-b8819776bb7e
Result
Threat name:
Remcos, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1472119
Signature
AI detected suspicious sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected Remcos RAT
Drops PE files with a suspicious file extension
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Found stalling execution ending in API Sleep call
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: Remcos
Sigma detected: Search for Antivirus process
Sigma detected: Suspicious Command Patterns In Scheduled Task Creation
Sigma detected: WScript or CScript Dropper
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Crypto Currency Wallets
Uses schtasks.exe or at.exe to add and modify task schedules
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Wscript called in batch mode (surpress errors)
Yara detected Powershell download and execute
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1472119 Sample: mg9LPWGtPB.exe Startdate: 12/07/2024 Architecture: WINDOWS Score: 100 93 steamcommunity.com 2->93 95 sJavUoBfFUhkoScDaBgelALGvfC.sJavUoBfFUhkoScDaBgelALGvfC 2->95 97 4 other IPs or domains 2->97 117 Found malware configuration 2->117 119 Antivirus detection for URL or domain 2->119 121 Multi AV Scanner detection for dropped file 2->121 123 15 other signatures 2->123 11 mg9LPWGtPB.exe 70 2->11         started        15 wscript.exe 2->15         started        17 wscript.exe 2->17         started        signatures3 process4 file5 87 C:\Users\user\AppData\Local\Temp\Sensor, COM 11->87 dropped 133 Found stalling execution ending in API Sleep call 11->133 19 cmd.exe 2 11->19         started        23 EHIJJDGDHD.exe 61 11->23         started        25 cmd.exe 11->25         started        135 Windows Scripting host queries suspicious COM object (likely to drop second stage) 15->135 27 SolarSys.pif 15->27         started        29 SolarSys.pif 17->29         started        signatures6 process7 file8 83 C:\Users\user\AppData\Local\Temp\...\Hist.pif, PE32 19->83 dropped 125 Drops PE files with a suspicious file extension 19->125 127 Uses schtasks.exe or at.exe to add and modify task schedules 19->127 31 Hist.pif 42 19->31         started        36 cmd.exe 2 19->36         started        38 conhost.exe 19->38         started        46 7 other processes 19->46 85 C:\Users\user\AppData\Local\Temp\Featured, DOS 23->85 dropped 129 Multi AV Scanner detection for dropped file 23->129 131 Found stalling execution ending in API Sleep call 23->131 40 cmd.exe 3 23->40         started        42 conhost.exe 25->42         started        44 timeout.exe 25->44         started        signatures9 process10 dnsIp11 99 steamcommunity.com 23.192.247.89, 443, 64934 AKAMAI-ASUS United States 31->99 101 216.245.184.74, 64957, 80 SRS-6-Z-7381US United States 31->101 103 3 other IPs or domains 31->103 69 C:\Users\user\...\Windows_Services_AS[1].exe, PE32 31->69 dropped 71 C:\ProgramData\softokn3.dll, PE32 31->71 dropped 73 C:\ProgramData\nss3.dll, PE32 31->73 dropped 77 5 other files (3 malicious) 31->77 dropped 105 Found many strings related to Crypto-Wallets (likely being stolen) 31->105 107 Tries to harvest and steal ftp login credentials 31->107 109 Tries to harvest and steal browser information (history, passwords, etc) 31->109 111 Tries to steal Crypto Currency Wallets 31->111 75 C:\Users\user\AppData\Local\Temp\...\Bk.pif, PE32 40->75 dropped 48 Bk.pif 40->48         started        53 conhost.exe 40->53         started        55 tasklist.exe 40->55         started        57 7 other processes 40->57 file12 signatures13 process14 dnsIp15 89 91.92.246.78, 2404, 64962 THEZONEBG Bulgaria 48->89 91 geoplugin.net 178.237.33.50, 64963, 80 ATOM86-ASATOM86NL Netherlands 48->91 79 C:\Users\user\AppData\Local\...\SolarSys.pif, PE32 48->79 dropped 81 C:\Users\user\AppData\Local\...\SolarSys.js, ASCII 48->81 dropped 113 Detected Remcos RAT 48->113 115 Drops PE files with a suspicious file extension 48->115 59 cmd.exe 48->59         started        61 schtasks.exe 48->61         started        file16 signatures17 process18 process19 63 conhost.exe 59->63         started        65 schtasks.exe 59->65         started        67 conhost.exe 61->67         started       
Score:
51%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/3ef1d040731916fee2fe1317c53a0e363f05fd12f87b84563af86ac5d49f74c2
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3ef1d040731916fee2fe1317c53a0e363f05fd12f87b84563af86ac5d49f74c2/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2024-07-10 18:00:56 UTC
File Type:
PE (Exe)
Extracted files:
30
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=h3y5aqdtdelp5yx6cml4koqogy7ql7is7b5yivr27bvmlve7otba._file
Verdict:
unknown
Similar samples:
06724c588f5b9381effa96ca72ae6c136b6ec64ae1e898942d34142e40078bab
Vidar
164f6dd9a77be0fc7425a9f97873435bdade7dc85da44c27474d2187395dfac6
Vidar
21ada98043ea73edf58648a2a43856bed7f8e9fafdc948aae020b1dbb3053d90
Vidar
72c22d9c2150b022f3f15e30bfd2d76435d4091b99a0e443c96dcb4c48aa5539
Vidar
9f6eb963b28951006fa6254b74f58b087c4469496c8ab22cf74210510f82c186
Vidar
a0ee463632a3799ed2b21d598d1fa8c4ed7198f3debd175a1eb89b2055b57ccd
Vidar
a2ed4456865129f69ed876a3262526d1193bc881708d46d86be1528f23c1b749
Vidar
d3821c1a2684e27713730b1c44580b734ba9517b099fa71cad7b1b6764e5bcad
Vidar
e37fa468aafa1e603529ee77a6e4b31134f429a81fe9222ef85fcf458e290d70
Vidar
f5a558eba4843612e1b2e7bbfb431932a94bdc86f9411c0529f4216bcfe0ef02
Vidar
+ 834 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:remcos family:stealc family:vidar botnet:windows_services discovery rat spyware stealer
Link:
https://tria.ge/reports/240712-khkfbsyaqa/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Enumerates processes with tasklist
Modifies system certificate store
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Downloads MZ/PE file
Detect Vidar Stealer
Remcos
Stealc
Vidar
Malware Config
C2 Extraction:
https://steamcommunity.com/profiles/76561199735694209
https://t.me/puffclou
91.92.246.78:2404
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/eb07241d-087d-4dc1-b1c9-fd8ed5de6f46
Unpacked files
SH256 hash:
83424bae44d58db0f16caa7e6ce08d6cbb14938543be8968c039f1816d8f2050
MD5 hash:
2094a83d5001933d1fa5a4700f5c6429
SHA1 hash:
c87622343d30a5f59dc20278331314332e282e95
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/16ab98d2-bce9-4e63-816f-bbb2150e470d/
Parent samples :
aba228d167cbabe85ed94101c53d367bdd423d3fa84b977f4629c528912b0220
b2506074e22cbbd6c7a54b64c258ca48dd5a06bebf0830cc63596f1034045bfa
ce8ec776eb22c2bf9ec25fe36bd0dfa6617e4926103358b055fd55cdf7912328
19fcb719130f0edd27552e014d5b446e85faabe82611311be6dbe28d33463327
9444f34a94d494a78e19e19f4e1615744e500aca97a563ad2a294bf16a076039
3ef1d040731916fee2fe1317c53a0e363f05fd12f87b84563af86ac5d49f74c2
7632e569071acc40bce87af592e4cc2476d9c088906a1e6651614860b4754bf8
SH256 hash:
3ef1d040731916fee2fe1317c53a0e363f05fd12f87b84563af86ac5d49f74c2
MD5 hash:
5715f2100028b28f508559c4782daa5e
SHA1 hash:
f15aa6ce0470b63d98406f3a4821675a2bb45732
Link:
https://www.unpac.me/results/16ab98d2-bce9-4e63-816f-bbb2150e470d/
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/3ef1d040731916fee2fe1317c53a0e363f05fd12f87b84563af86ac5d49f74c2

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:NSIS_April_2024
Create hunting rule
Author:NDA0N
Description:Detects NSIS installers
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits

File information

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

Web download

Vidar

Executable exe 3ef1d040731916fee2fe1317c53a0e363f05fd12f87b84563af86ac5d49f74c2

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2951138/

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
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteW
SHELL32.dll::SHFileOperationW
SHELL32.dll::SHGetFileInfoW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
KERNEL32.dll::OpenProcess
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetDiskFreeSpaceW
KERNEL32.dll::GetCommandLineW
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::GetWindowsDirectoryW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuW
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExW
USER32.dll::OpenClipboard
USER32.dll::PeekMessageW
USER32.dll::CreateWindowExW

Comments


Avatar
zbet commented on 2024-07-12 08:35:31 UTC

url : hxxp://216.245.184.74/webdav/Windows_Components.exe