MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f8c117a65e11fd370cb0673d1066af3415dfd9c8fde98225498f6e4ac92c213e. 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: 13


Intelligence 13 IOCs 1 YARA 23 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f8c117a65e11fd370cb0673d1066af3415dfd9c8fde98225498f6e4ac92c213e
SHA3-384 hash: 146d83e69c7115f03f684838b1f97f4d4de93a03e49f40a895309ace072806e0f99f4dcec21c4f2fc74f1ad0d47be2a1
SHA1 hash: ced7895ebab661e5aea524a2bf75f022fc23d9ab
MD5 hash: e0ee7714d5e8fdf946fc92f7cf125468
humanhash: august-asparagus-item-blue
File name:e0ee7714d5e8fdf946fc92f7cf125468.exe
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:14'594'544 bytes
First seen:2025-01-17 12:05:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 44a7535a765f7ced4d3ef7a06be413e6 (2 x ValleyRAT)
ssdeep 196608:HAXsnyOEfOrHvhhIx6Q7w7teoCjjxJ+T4FZgli7IXAj+Ev1IZmR:kkyDUHvhhpQDu4FwetNyu
Threatray 1 similar samples on MalwareBazaar
TLSH T1CFE6F103F2DA41D8E0AED2788B768332EA727C555B34B2DF065057152E72BE09B3EB51
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
File icon (PE):PE icon
dhash icon 696a6ee2b2b2c2cc (18 x RedLineStealer, 17 x LummaStealer, 16 x CoinMiner)
Reporter abuse_ch
Tags:exe ValleyRAT


Avatar
abuse_ch
ValleyRAT C2:
47.243.116.8:6666

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
47.243.116.8:6666 https://threatfox.abuse.ch/ioc/1385113/

Intelligence

File Origin
# of uploads :
1
# of downloads :
444
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f8c117a65e11fd370cb0673d1066af3415dfd9c8fde98225498f6e4ac92c213e
Verdict:
Malicious activity
Analysis date:
2025-01-14 11:00:53 UTC
Tags:
silverfox backdoor
Link:
https://app.any.run/tasks/280dd7aa-6c97-499f-80fb-fc0a57a36a6e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=678643e44487910100ded37f
Tags:
emotet cobalt
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Creating a file
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Running batch commands
Launching a process
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Launching the process to change the firewall settings
Searching for the window
DNS request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Blocking the User Account Control
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm anti-vm datper evasive expand explorer fingerprint lolbin lolbin microsoft_visual_cc packed packed packer_detected
Link:
https://www.filescan.io/uploads/678a47b2a364b83b70a6e970/reports/349bfd34-adf7-4fe6-9ebf-c0be4c363279/overview
Verdict:
Malicious
Link:
https://www.hybrid-analysis.com/sample/f8c117a65e11fd370cb0673d1066af3415dfd9c8fde98225498f6e4ac92c213e
Result
Verdict:
SUSPICIOUS
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/5bbe4149-67a0-4a32-9382-e36207e1f3de
Result
Threat name:
GhostRat
Create hunting rule
Detection:
malicious
Classification:
evad.troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1593659
Signature
AI detected suspicious sample
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Detected unpacking (creates a PE file in dynamic memory)
Disables UAC (registry)
Found evasive API chain checking for user administrative privileges
Found malware configuration
Modifies the windows firewall
Multi AV Scanner detection for dropped file
Sigma detected: Execution from Suspicious Folder
Sigma detected: New RUN Key Pointing to Suspicious Folder
Suricata IDS alerts for network traffic
Uses netsh to modify the Windows network and firewall settings
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected GhostRat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1593659 Sample: s3jvbnRdoL.exe Startdate: 17/01/2025 Architecture: WINDOWS Score: 100 80 www.wshifen.com 2->80 82 www.baidu.com 2->82 84 2 other IPs or domains 2->84 94 Suricata IDS alerts for network traffic 2->94 96 Found malware configuration 2->96 98 Multi AV Scanner detection for dropped file 2->98 100 5 other signatures 2->100 11 s3jvbnRdoL.exe 25 2->11         started        16 Agicer.exe 2->16         started        18 Agghosts.exe 1 2->18         started        signatures3 process4 dnsIp5 88 ws636rj.oss-ap-southeast-1.aliyuncs.com 47.79.48.3, 443, 49747 VODAFONE-TRANSIT-ASVodafoneNZLtdNZ United States 11->88 90 www.wshifen.com 103.235.46.96, 49784, 80 BAIDUBeijingBaiduNetcomScienceandTechnologyCoLtd Hong Kong 11->90 92 127.0.0.1 unknown unknown 11->92 72 C:\Users\Public\...\vcruntime140.dll, PE32 11->72 dropped 74 C:\Users\Public\...\QiDianBrowserMgr.dll, PE32 11->74 dropped 76 C:\Users\Public\Downloads\...\Agicer.exe, PE32 11->76 dropped 78 2 other malicious files 11->78 dropped 126 Detected unpacking (creates a PE file in dynamic memory) 11->126 128 Uses schtasks.exe or at.exe to add and modify task schedules 11->128 20 Agicer.exe 1 1 11->20         started        22 cmd.exe 1 11->22         started        25 Agicer.exe 11->25         started        33 2 other processes 11->33 27 Agghosts.exe 16->27         started        29 WerFault.exe 16->29         started        31 Agghosts.exe 18->31         started        file6 signatures7 process8 signatures9 35 Agghosts.exe 2 20->35         started        39 WerFault.exe 19 16 20->39         started        114 Uses netsh to modify the Windows network and firewall settings 22->114 116 Modifies the windows firewall 22->116 41 reg.exe 1 22->41         started        43 conhost.exe 22->43         started        45 Agghosts.exe 25->45         started        47 WerFault.exe 25->47         started        49 Agghosts.exe 27->49         started        118 Writes to foreign memory regions 31->118 120 Allocates memory in foreign processes 31->120 51 tracerpt.exe 31->51         started        53 10 other processes 33->53 process10 dnsIp11 86 47.243.116.8, 49840, 49866, 49879 CNNIC-ALIBABA-US-NET-APAlibabaUSTechnologyCoLtdC United States 35->86 102 Detected unpacking (creates a PE file in dynamic memory) 35->102 104 Contains functionality to inject code into remote processes 35->104 106 Writes to foreign memory regions 35->106 108 Found evasive API chain checking for user administrative privileges 35->108 55 tracerpt.exe 35->55         started        110 Disables UAC (registry) 41->110 57 Agghosts.exe 45->57         started        112 Allocates memory in foreign processes 49->112 60 tracerpt.exe 49->60         started        62 conhost.exe 51->62         started        signatures12 process13 signatures14 64 conhost.exe 55->64         started        122 Writes to foreign memory regions 57->122 124 Allocates memory in foreign processes 57->124 66 tracerpt.exe 57->66         started        68 conhost.exe 60->68         started        process15 process16 70 conhost.exe 66->70         started       
Score:
77%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f8c117a65e11fd370cb0673d1066af3415dfd9c8fde98225498f6e4ac92c213e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f8c117a65e11fd370cb0673d1066af3415dfd9c8fde98225498f6e4ac92c213e/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7darpjs6ch6todfqm46razvpgqk57woi7xuyejkjr5xevsjmee7a._file
Verdict:
malicious
Label(s):
winos
Create hunting rule
Similar samples:
error
ValleyRAT
f8c117a65e11fd370cb0673d1066af3415dfd9c8fde98225498f6e4ac92c213e
ValleyRAT
Result
Malware family:
n/a
Score:
  10/10
Tags:
discovery evasion persistence privilege_escalation trojan upx
Link:
https://tria.ge/reports/250117-n9qcfawpdx/
Behaviour
Modifies registry class
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
UPX packed file
Adds Run key to start application
Enumerates connected drives
ACProtect 1.3x - 1.4x DLL software
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Modifies Windows Firewall
UAC bypass
Verdict:
Suspicious
Tags:
ta_abused_service
YARA:
n/a
Link:
https://app.threat.zone/submission/9079cf93-845b-46be-8e30-5fd729bc11df
Unpacked files
SH256 hash:
f8c117a65e11fd370cb0673d1066af3415dfd9c8fde98225498f6e4ac92c213e
MD5 hash:
e0ee7714d5e8fdf946fc92f7cf125468
SHA1 hash:
ced7895ebab661e5aea524a2bf75f022fc23d9ab
Link:
https://www.unpac.me/results/4e08cf5c-084c-4619-abc5-526d2d0ce939/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f8c117a65e11/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/f8c117a65e11fd370cb0673d1066af3415dfd9c8fde98225498f6e4ac92c213e

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:Check_OutputDebugStringA_iat
Create hunting rule
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:DebuggerCheck__QueryInfo
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:malware_shellcode_hash
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_peb_parsing
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:reverse_http
Create hunting rule
Author:CD_R0M_
Description:Identify strings with http reversed (ptth)
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
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)
Rule name:test_Malaysia
Create hunting rule
Author:rectifyq
Description:Detects file containing malaysia string
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Create hunting rule
Author:malware-lu
Rule name:Windows_Generic_Threat_4b0b73ce
Create hunting rule
Author:Elastic Security
Rule name:win_valley_rat_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.valley_rat.

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 (FORCE_INTEGRITY)high
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::AllocateAndInitializeSid
ADVAPI32.dll::BuildTrusteeWithSidW
ADVAPI32.dll::ConvertSidToStringSidW
ADVAPI32.dll::ConvertStringSidToSidW
ADVAPI32.dll::CopySid
ADVAPI32.dll::EqualSid
COM_BASE_APICan Download & Execute componentsole32.dll::CoAddRefServerProcess
ole32.dll::CoCreateInstance
MULTIMEDIA_APICan Play MultimediaWINMM.dll::timeGetTime
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AddAce
ADVAPI32.dll::CheckTokenMembership
ADVAPI32.dll::DuplicateTokenEx
ADVAPI32.dll::GetAclInformation
ADVAPI32.dll::GetSecurityDescriptorControl
ADVAPI32.dll::GetSecurityDescriptorDacl
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
WIN32_PROCESS_APICan Create Process and ThreadsADVAPI32.dll::CreateProcessAsUserW
KERNEL32.dll::CreateProcessW
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::OpenProcess
ADVAPI32.dll::OpenThreadToken
KERNEL32.dll::CloseHandle
WINHTTP.dll::WinHttpCloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetDriveTypeW
KERNEL32.dll::GetSystemInfo
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::AssignProcessToJobObject
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryA
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileA
KERNEL32.dll::CreateFileMappingW
KERNEL32.dll::CreateFileW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupAccountSidW
WIN_HTTP_APIUses HTTP servicesWINHTTP.dll::WinHttpAddRequestHeaders
WINHTTP.dll::WinHttpConnect
WINHTTP.dll::WinHttpGetProxyForUrl
WINHTTP.dll::WinHttpOpen
WINHTTP.dll::WinHttpOpenRequest
WINHTTP.dll::WinHttpQueryHeaders
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyExW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryInfoKeyW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_SVC_APICan Manipulate Windows ServicesADVAPI32.dll::ChangeServiceConfigW
ADVAPI32.dll::CreateServiceW
ADVAPI32.dll::OpenSCManagerW
ADVAPI32.dll::OpenServiceW
ADVAPI32.dll::QueryServiceConfigW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::CreateWindowExW

Comments