MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 be5caf69b35ebefb40069de05b80b28f4d89d532dd3661b39e0762556c89585d. 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


ValleyRAT


Vendor detections: 9


Intelligence 9 IOCs 1 YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: be5caf69b35ebefb40069de05b80b28f4d89d532dd3661b39e0762556c89585d
SHA3-384 hash: 6748ff742655a7517fe5ac71e4a6432b7f644a6e839b4ef93e973e9faac14efb987398f465f2b09020587d8c566389d9
SHA1 hash: 18444d42be38abaaa8e41a643f3db7f89338accb
MD5 hash: 87a72f4be35eff0b33e71d38146067b6
humanhash: mirror-texas-bravo-foxtrot
File name:安装助手2.0.5.exe
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:7'064'515 bytes
First seen:2024-12-24 12:00:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 40ab50289f7ef5fae60801f88d4541fc (59 x ValleyRAT, 49 x Gh0stRAT, 41 x OffLoader)
ssdeep 98304:XwREbtCJ/Nju8kgs2zUPncYVQkpszwcJwQaU6LggFzbgQhNOFdMwZgS:lbtYjk2zGnOkpDY6LggdFjCn
TLSH T14A661213F2CBE03EE05E0B3B05B2A15595FB6A216522AE5796ECB4ECCF351601D3E247
TrID 39.3% (.EXE) Inno Setup installer (107240/4/30)
21.1% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
15.7% (.EXE) InstallShield setup (43053/19/16)
15.2% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9)
3.8% (.EXE) Win64 Executable (generic) (10522/11/4)
Magika pebin
File icon (PE):PE icon
dhash icon 5050d270cccc82ae (109 x Adware.Generic, 43 x LummaStealer, 42 x OffLoader)
Reporter kafan_shengui
Tags:exe SilverFox ValleyRAT winos

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
178.128.222.24:6666 https://threatfox.abuse.ch/ioc/1359446/

Intelligence

File Origin
# of uploads :
1
# of downloads :
406
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
安装助手2.0.5.exe
Verdict:
No threats detected
Analysis date:
2024-12-24 12:06:23 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/d290e25c-6215-4e5e-a7e1-bea19aaf9f3a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.DownLoad4.16298.18686.14967.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=676aa28375bf3268d2fe3604
Tags:
autorun emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Searching for synchronization primitives
Creating a process with a hidden window
Restart of the analyzed sample
Searching for the window
Creating a file in the Program Files subdirectories
Moving a file to the Program Files subdirectory
Creating a service
Launching a service
Running batch commands
Launching a process
Forced system process termination
Loading a system driver
Enabling the 'hidden' option for recently created files
Creating a file
Deleting a recently created file
DNS request
Sending a UDP request
Connection attempt
Sending a custom TCP request
Launching the process to change the firewall settings
Enabling autorun for a service
Query of malicious DNS domain
Launching the process to interact with network services
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/be5caf69b35ebefb40069de05b80b28f4d89d532dd3661b39e0762556c89585d
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/1af99b26-3ded-4e1d-9ef6-7488753ce184
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1580393
Signature
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Changes security center settings (notifications, updates, antivirus, firewall)
Contains functionality to hide a thread from the debugger
Found driver which could be used to inject code into processes
Hides threads from debuggers
Loading BitLocker PowerShell Module
Multi AV Scanner detection for dropped file
PE file contains section with special chars
Protects its processes via BreakOnTermination flag
Query firmware table information (likely to detect VMs)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1580393 Sample: #U5b89#U88c5#U52a9#U624b2.0.5.exe Startdate: 24/12/2024 Architecture: WINDOWS Score: 92 92 time.windows.com 2->92 94 Multi AV Scanner detection for dropped file 2->94 96 Found driver which could be used to inject code into processes 2->96 98 PE file contains section with special chars 2->98 100 2 other signatures 2->100 11 #U5b89#U88c5#U52a9#U624b2.0.5.exe 2 2->11         started        14 svchost.exe 2->14         started        17 cmd.exe 2->17         started        19 30 other processes 2->19 signatures3 process4 file5 90 C:\...\#U5b89#U88c5#U52a9#U624b2.0.5.tmp, PE32 11->90 dropped 21 #U5b89#U88c5#U52a9#U624b2.0.5.tmp 3 5 11->21         started        114 Changes security center settings (notifications, updates, antivirus, firewall) 14->114 25 sc.exe 17->25         started        27 sc.exe 1 19->27         started        29 sc.exe 1 19->29         started        31 sc.exe 1 19->31         started        33 22 other processes 19->33 signatures6 process7 file8 78 C:\Users\user\AppData\Local\...\update.vac, PE32 21->78 dropped 80 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 21->80 dropped 102 Adds a directory exclusion to Windows Defender 21->102 35 #U5b89#U88c5#U52a9#U624b2.0.5.exe 2 21->35         started        38 powershell.exe 23 21->38         started        41 conhost.exe 25->41         started        43 conhost.exe 27->43         started        45 conhost.exe 29->45         started        47 conhost.exe 31->47         started        49 conhost.exe 33->49         started        51 conhost.exe 33->51         started        53 20 other processes 33->53 signatures9 process10 file11 76 C:\...\#U5b89#U88c5#U52a9#U624b2.0.5.tmp, PE32 35->76 dropped 55 #U5b89#U88c5#U52a9#U624b2.0.5.tmp 4 16 35->55         started        104 Loading BitLocker PowerShell Module 38->104 59 conhost.exe 38->59         started        61 WmiPrvSE.exe 38->61         started        63 Conhost.exe 41->63         started        signatures12 process13 file14 82 C:\Users\user\AppData\Local\...\update.vac, PE32 55->82 dropped 84 C:\Program Files (x86)\Windows NT\hrsw.vbc, PE32 55->84 dropped 86 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 55->86 dropped 88 C:\Program Files (x86)\Windows NT\7zr.exe, PE32 55->88 dropped 106 Query firmware table information (likely to detect VMs) 55->106 108 Protects its processes via BreakOnTermination flag 55->108 110 Hides threads from debuggers 55->110 112 Contains functionality to hide a thread from the debugger 55->112 65 7zr.exe 2 55->65         started        68 7zr.exe 7 55->68         started        signatures15 process16 file17 74 C:\Program Files (x86)\...\tProtect.dll, PE32+ 65->74 dropped 70 conhost.exe 65->70         started        72 conhost.exe 68->72         started        process18
Score:
83%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/be5caf69b35ebefb40069de05b80b28f4d89d532dd3661b39e0762556c89585d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/be5caf69b35ebefb40069de05b80b28f4d89d532dd3661b39e0762556c89585d/
Threat name:
Win32.Trojan.Malgent
Create hunting rule
Status:
Malicious
First seen:
2024-12-24 12:01:06 UTC
File Type:
PE (Exe)
AV detection:
15 of 38 (39.47%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xzok62ntl27pwqagtxqfxafsr5gytvjs3u3gdm46a5rfk3ejlboq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution persistence
Link:
https://tria.ge/reports/241224-n6v4hswqhx/
Behaviour
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Launches sc.exe
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Command and Scripting Interpreter: PowerShell
Creates new service(s)
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/6208a90b-208d-45b8-97d4-fd8707d9f16b
Unpacked files
SH256 hash:
95096f97b842e82c6d50412dd97ac3082439f265f9be5e1cb1a7b7e74d6d2ea0
MD5 hash:
1247e1a09ec684e84520fc381f85cb88
SHA1 hash:
1093bc0e385215ed4cb69ffbb68a185fc4acbce5
Link:
https://www.unpac.me/results/ae130fa5-8603-43a1-83f0-4be362d3cebc/
SH256 hash:
be5caf69b35ebefb40069de05b80b28f4d89d532dd3661b39e0762556c89585d
MD5 hash:
87a72f4be35eff0b33e71d38146067b6
SHA1 hash:
18444d42be38abaaa8e41a643f3db7f89338accb
Link:
https://www.unpac.me/results/ae130fa5-8603-43a1-83f0-4be362d3cebc/
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/be5caf69b35ebefb40069de05b80b28f4d89d532dd3661b39e0762556c89585d

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:Borland
Create hunting rule
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:RansomPyShield_Antiransomware
Create hunting rule
Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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.

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
AUTH_APIManipulates User Authorizationadvapi32.dll::AllocateAndInitializeSid
advapi32.dll::ConvertSidToStringSidW
advapi32.dll::ConvertStringSecurityDescriptorToSecurityDescriptorW
advapi32.dll::EqualSid
advapi32.dll::FreeSid
SECURITY_BASE_APIUses Security Base APIadvapi32.dll::AdjustTokenPrivileges
advapi32.dll::GetTokenInformation
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CreateProcessW
advapi32.dll::OpenProcessToken
advapi32.dll::OpenThreadToken
kernel32.dll::CloseHandle
kernel32.dll::CreateThread
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryA
kernel32.dll::LoadLibraryExW
kernel32.dll::LoadLibraryW
kernel32.dll::GetDriveTypeW
kernel32.dll::GetVolumeInformationW
kernel32.dll::GetSystemInfo
WIN_BASE_IO_APICan Create Fileskernel32.dll::CreateDirectoryW
kernel32.dll::CreateFileW
kernel32.dll::DeleteFileW
kernel32.dll::GetWindowsDirectoryW
kernel32.dll::GetSystemDirectoryW
kernel32.dll::GetFileAttributesW
WIN_BASE_USER_APIRetrieves Account Informationadvapi32.dll::LookupPrivilegeValueW
WIN_REG_APICan Manipulate Windows Registryadvapi32.dll::RegOpenKeyExW
advapi32.dll::RegQueryValueExW
WIN_USER_APIPerforms GUI Actionsuser32.dll::PeekMessageW
user32.dll::CreateWindowExW

Comments