MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1cc62d774236839a8067b217ed9844b475d78eca9b27c5f6419ad1ffa35b9d64. 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: 16


Intelligence 16 IOCs 1 YARA 13 File information Comments

SHA256 hash: 1cc62d774236839a8067b217ed9844b475d78eca9b27c5f6419ad1ffa35b9d64
SHA3-384 hash: a7e2e69e3d56279ed4c6a2b2013d02bc40a5d79fece3dfde06e5c99e4c4d05652668d89d3ed61f76c4a336f58f6d2e79
SHA1 hash: e7b0044ae00f3ca54e585938ff1aeb78f2c15f43
MD5 hash: 15f37cc4d31d6e6330baa5196fd93754
humanhash: victor-sink-jersey-white
File name:zFsyx8x.exe
Download: download sample
Signature ValleyRAT
File size:343'040 bytes
First seen:2025-09-03 09:50:24 UTC
Last seen:2025-09-04 11:47:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 83e3c2e38a442145eaa2522b14e0d343 (2 x ValleyRAT)
ssdeep 3072:mS3/rBdSi67uoGqaOvW90Gnd+T/zVg+RuB1W6beDFanj4VaS2/:mi/ld14vGqTto+NzRuXW6SDS4G
TLSH T11274AED9D16E84C6EC057EF9AC1847CB5B2543364BB40158267FAD880F6B4FAC01EDEA
TrID 44.4% (.EXE) Win64 Executable (generic) (10522/11/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter abuse_ch
Tags:exe RAT ValleyRAT


Avatar
abuse_ch
ValleyRAT C2:
38.14.248.131:1365

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
38.14.248.131:1365 https://threatfox.abuse.ch/ioc/1581108/

Intelligence


File Origin
# of uploads :
14
# of downloads :
75
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
zFsyx8x.exe
Verdict:
Malicious activity
Analysis date:
2025-09-03 10:14:08 UTC
Tags:
auto-startup valley winos rat silverfox

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
93.3%
Tags:
autorun emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a window
Connection attempt
Sending a custom TCP request
Сreating synchronization primitives
Enabling autorun by creating a file
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
lolbin microsoft_visual_cc obfuscated wscript
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-09-03T07:56:00Z UTC
Last seen:
2025-09-03T07:56:00Z UTC
Hits:
~100
Result
Threat name:
ValleyRAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Contains functionality to capture and log keystrokes
Contains functionality to inject code into remote processes
Contains functionality to inject threads in other processes
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Tries to detect sandboxes / dynamic malware analysis system (QueryWinSAT)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected ValleyRAT
Behaviour
Behavior Graph:
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64
Threat name:
Win64.Trojan.Nekark
Status:
Malicious
First seen:
2025-09-03 09:51:30 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
valleyrat donut_injector
Similar samples:
Result
Malware family:
donutloader
Score:
  10/10
Tags:
family:donutloader loader persistence ransomware
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Uses Volume Shadow Copy WMI provider
Uses Volume Shadow Copy service COM API
Enumerates physical storage devices
Enumerates connected drives
Drops startup file
Detects DonutLoader
DonutLoader
Donutloader family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
1cc62d774236839a8067b217ed9844b475d78eca9b27c5f6419ad1ffa35b9d64
MD5 hash:
15f37cc4d31d6e6330baa5196fd93754
SHA1 hash:
e7b0044ae00f3ca54e585938ff1aeb78f2c15f43
Malware family:
ValleyRAT
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:malware_shellcode_hash
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:SUSP_EXE_in_ISO
Author:SECUINFRA Falcon Team
Description:Detects ISO files that contains an Exe file. Does not need to be malicious
Reference:Internal Research
Rule name:SUSP_VBS_in_ISO
Author:SECUINFRA Falcon Team
Description:Detects ISO files that contain VBS functions
Reference:Internal Research
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Generic_Threat_3055c14a
Author:Elastic Security
Rule name:Windows_Trojan_Winos_464b8a2e
Author:Elastic Security

File information


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

Web download

ValleyRAT

Executable exe 1cc62d774236839a8067b217ed9844b475d78eca9b27c5f6419ad1ffa35b9d64

(this sample)

  
Delivery method
Distributed via web download

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