MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 55ad33f4ee2e6246e9db49328dbf16bb518dca6fb75f200fc5c0d6d4d9c4c865. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 55ad33f4ee2e6246e9db49328dbf16bb518dca6fb75f200fc5c0d6d4d9c4c865
SHA3-384 hash: 5da9a670a0c5332f714c86d6227d34f03f93e14b6a830b2fa6396c512845833e6db2c31c93ae59ee3b20fda3b67c06cb
SHA1 hash: f93021ec984bd187885b87abe0970713db1290a9
MD5 hash: b6618cf2704961083e40e6ec7147583b
humanhash: tennessee-summer-sad-quiet
File name:b6618cf2704961083e40e6ec7147583b.exe
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:192'512 bytes
First seen:2025-05-07 00:30:11 UTC
Last seen:2025-05-07 13:55:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f448294222fba6bda9bd9078d000eb24 (3 x ValleyRAT)
ssdeep 3072:jOn5QVttrXvOPLrBsS4aE9t/RUul4qHGQE2S7+kb9RTr1hJ9/h1ycV/3Ag0Fuj0Q:jiQVLfO3BAxRrl4ePGb7dVvAOie
Threatray 208 similar samples on MalwareBazaar
TLSH T1F7146C51B4D2C0B3E573053008F4D7B9593EBD214B65A9EBBBD84B3E4F302C29A35A66
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10522/11/4)
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)
Magika pebin
Reporter abuse_ch
Tags:exe RAT ValleyRAT


Avatar
abuse_ch
ValleyRAT C2:
178.255.245.115:2135

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
178.255.245.115:2135 https://threatfox.abuse.ch/ioc/1517589/

Intelligence

File Origin
# of uploads :
2
# of downloads :
563
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=681aaa65432e243ac3e4be87
Tags:
shellcode emotet virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Enabling the 'hidden' option for analyzed file
Connection attempt
Sending a custom TCP request
Creating a window
Restart of the analyzed sample
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
fingerprint microsoft_visual_cc
Link:
https://www.filescan.io/uploads/681aa9980b64e174c41ae2a2/reports/ef0b995f-5cc8-45e6-8981-1faeaaa63a87/overview
Verdict:
Malicious
Labled as:
Cerbu.Generic
Link:
https://www.hybrid-analysis.com/sample/55ad33f4ee2e6246e9db49328dbf16bb518dca6fb75f200fc5c0d6d4d9c4c865
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/779e2eb1-60eb-4aba-9ef4-901faa47ea5b
Result
Threat name:
GhostRat, ValleyRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1682807
Signature
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Contains functionality to capture and log keystrokes
Contains functionality to inject code into remote processes
Contains functionality to inject threads in other processes
Detected unpacking (creates a PE file in dynamic memory)
Found malware configuration
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Yara detected GhostRat
Yara detected ValleyRAT
Behaviour
Behavior Graph:
Download SVG
Score:
94%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/55ad33f4ee2e6246e9db49328dbf16bb518dca6fb75f200fc5c0d6d4d9c4c865
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/55ad33f4ee2e6246e9db49328dbf16bb518dca6fb75f200fc5c0d6d4d9c4c865/
Threat name:
Win32.Trojan.Kepavll
Create hunting rule
Status:
Malicious
First seen:
2025-04-17 01:36:00 UTC
File Type:
PE (Exe)
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kwwth5hofzren2o3jezi3pywxniy3stpw5psad6fydlnjwoezbsq._file
Verdict:
malicious
Label(s):
winos
Create hunting rule
Similar samples:
485998e9c789a7d4b96e708fe6f2633f3230625e16b6f5f401f481d2afe880cd
ValleyRAT
6c4fab2f7394443408df1b0fcae754a8382f60ddb02c5aa3f5e7dd62ceda6a64
ValleyRAT
aaa8e05b186b3582e87ae5ed47c1f7909a37e0472b773636fd2e1a0f49255dfd
ValleyRAT
aabc9116ca4443aee43399103831d9da04ee91de8519db474ccaf72794d4c136
ValleyRAT
e58f8591c90fe3e682ad50349a626e255664a749f0bb1ba57823d432c5d4fb71
ValleyRAT
error
ValleyRAT
+ 198 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Link:
https://tria.ge/reports/250507-at2tmsdn7y/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
System Location Discovery: System Language Discovery
Enumerates connected drives
Executes dropped EXE
Verdict:
Suspicious
Tags:
processkiller
YARA:
n/a
Link:
https://app.threat.zone/submission/21c19718-f13e-4356-b8e5-35ffd8895b95
Unpacked files
SH256 hash:
55ad33f4ee2e6246e9db49328dbf16bb518dca6fb75f200fc5c0d6d4d9c4c865
MD5 hash:
b6618cf2704961083e40e6ec7147583b
SHA1 hash:
f93021ec984bd187885b87abe0970713db1290a9
Link:
https://www.unpac.me/results/8463c99b-0c0f-4931-accc-be849eb568e0/
Malware family:
ValleyRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/55ad33f4ee2e/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/55ad33f4ee2e6246e9db49328dbf16bb518dca6fb75f200fc5c0d6d4d9c4c865

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

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::FreeSid
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
ole32.dll::CoInitializeSecurity
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::CheckTokenMembership
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineW
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW
KERNEL32.dll::GetFileAttributesW

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