MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ea57f741eeb76fb77cd84fbb1ff7b33d00772b751d20cbc0ce8dc3278db141af. 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: 17


Intelligence 17 IOCs 1 YARA 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ea57f741eeb76fb77cd84fbb1ff7b33d00772b751d20cbc0ce8dc3278db141af
SHA3-384 hash: 97980be444457d7da2eeac01b11fc378304fde543f162d9e3c1b859a7cf6f34ce1899a9ed0a1eda37bd60fd81937d7b1
SHA1 hash: 44424da318e985d5500b2bcd407995b2a4645b13
MD5 hash: fcaf014969148ae887f19176caabef56
humanhash: mike-early-carbon-lake
File name:ea57f741eeb76fb77cd84fbb1ff7b33d00772b751d20c.exe
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:111'104 bytes
First seen:2025-05-04 13:30:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b8bf08fa843a9ec1ce10d80fbf550c26 (87 x ValleyRAT, 1 x Gh0stRAT)
ssdeep 3072:ybWjdIPbcia0NFtwwnILn3py6D268XEPK72:ybWjMbcCtwwnchx1y
TLSH T17FB37B2172A0C072C093253199F9EBB24E7EF93117B845CBB7E406BA5F603C16A7539B
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:
23.249.29.117:5555

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
23.249.29.117:5555 https://threatfox.abuse.ch/ioc/1515721/

Intelligence

File Origin
# of uploads :
1
# of downloads :
444
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ea57f741eeb76fb77cd84fbb1ff7b33d00772b751d20c.exe
Verdict:
Malicious activity
Analysis date:
2025-05-04 13:33:22 UTC
Tags:
silverfox backdoor valleyrat winos rat
Link:
https://app.any.run/tasks/bde12847-e6e1-4a52-9ad0-c104a2485e42

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Malware.Fragtor-10028386-0
Create hunting rule

Win.Trojan.Farfli-10038362-0
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68176d29432e243ac3e3e80c
Tags:
emotet farfli
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sending a custom TCP request
Сreating synchronization primitives
Creating a window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm crypt farfli microsoft_visual_cc xpack zusy
Link:
https://www.filescan.io/uploads/68176be98d43c3a878f9096e/reports/1c4e16fc-7846-418e-bf9c-b1a408f5b583/overview
Verdict:
Malicious
Labled as:
Trojan.Farfli
Link:
https://www.hybrid-analysis.com/sample/ea57f741eeb76fb77cd84fbb1ff7b33d00772b751d20cbc0ce8dc3278db141af
Malware family:
Winos
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/088dd994-c84a-4351-8985-846857feed0c
Result
Threat name:
GhostRat, ValleyRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1680808
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Contains functionality to capture and log keystrokes
Contains functionality to inject code into remote processes
Contains functionality to inject threads in other processes
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:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ea57f741eeb76fb77cd84fbb1ff7b33d00772b751d20cbc0ce8dc3278db141af
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ea57f741eeb76fb77cd84fbb1ff7b33d00772b751d20cbc0ce8dc3278db141af/
Threat name:
Win32.Trojan.FatalRAT
Create hunting rule
Status:
Malicious
First seen:
2025-04-27 18:29:48 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
29 of 36 (80.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5jl7oqpow5x3o7gyj65r755thuahok3vduqmxqgorxbspdnrigxq._file
Verdict:
malicious
Label(s):
winos
Create hunting rule
Similar samples:
error
ValleyRAT
Result
Malware family:
valleyrat_s2
Create hunting rule
Score:
  10/10
Tags:
family:valleyrat_s2 discovery
Link:
https://tria.ge/reports/250504-qryl7sem2w/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
System Location Discovery: System Language Discovery
Enumerates connected drives
Malware Config
C2 Extraction:
23.249.29.117:5555
23.249.29.117:8888
23.249.29.117:80
Verdict:
Malicious
Tags:
Win.Malware.Fragtor-10028386-0
YARA:
n/a
Link:
https://app.threat.zone/submission/3fde9e5e-2aa8-4e3f-8e71-ea273e1ec7b6
Unpacked files
SH256 hash:
ea57f741eeb76fb77cd84fbb1ff7b33d00772b751d20cbc0ce8dc3278db141af
MD5 hash:
fcaf014969148ae887f19176caabef56
SHA1 hash:
44424da318e985d5500b2bcd407995b2a4645b13
Detections:
win_valley_rat_auto
Create hunting rule
Link:
https://www.unpac.me/results/0b946fc5-e7c3-4221-9197-691679198e1c/
Malware family:
ValleyRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ea57f741eeb7/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/ea57f741eeb76fb77cd84fbb1ff7b33d00772b751d20cbc0ce8dc3278db141af

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:CAS_Malware_Hunting
Create hunting rule
Author:Michael Reinprecht
Description:DEMO CAS YARA Rules for sample2.exe
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: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: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:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:ValleyRAT
Create hunting rule
Author:NDA0E
Description:Detects ValleyRAT
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 (HIGH_ENTROPY_VA)high
Reviews
IDCapabilitiesEvidence
MULTIMEDIA_APICan Play MultimediaWINMM.dll::timeGetTime
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
KERNEL32.dll::OpenProcess
KERNEL32.dll::VirtualAllocEx
KERNEL32.dll::WriteProcessMemory
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleWindow
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW
KERNEL32.dll::GetSystemDirectoryA
KERNEL32.dll::GetFileAttributesA
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_SOCK_APIUses Network to send and receive dataWS2_32.dll::WSACloseEvent
WS2_32.dll::WSACreateEvent
WS2_32.dll::WSAEnumNetworkEvents
WS2_32.dll::WSAEventSelect
WS2_32.dll::WSAIoctl
WS2_32.dll::WSAResetEvent
WIN_USER_APIPerforms GUI ActionsUSER32.dll::PeekMessageW

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