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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 58b16700b8a3b8f0db2fb2e14b8c3e835270111518e67239b373a81ffd265b9a. 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: 14


Intelligence 14 IOCs 1 YARA 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 58b16700b8a3b8f0db2fb2e14b8c3e835270111518e67239b373a81ffd265b9a
SHA3-384 hash: e42a7d654dbe85e6b811a6726cdc86246edd6721a61590f77e2be08f8eeeb8593202e73b3c968efd3511dc259f813f8d
SHA1 hash: 8a68d580a0bb9f62923bf112a467cb723e9f1b5d
MD5 hash: 8f93aa8aa04ca6c13477542655cdb74b
humanhash: texas-texas-moon-july
File name:8F93AA8AA04CA6C13477542655CDB74B.exe
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:4'409'511 bytes
First seen:2026-07-30 22:45:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 88016fcdef7f227c62171d0afad9aae4 (31 x ValleyRAT, 22 x Adware.OfferCore, 21 x OffLoader)
ssdeep 98304:R5OazgrwE36ts/7/kB1Wjpe7nYOX/gL7kBO5WIw0XDR6Pkta:LAwdtsD/mW1GrXI3kG9t6Pkta
TLSH T11416023FF28B653EE02A1A357A72E110943B7A6164168C1696ECF88CCF355711E3F687
TrID 50.8% (.EXE) Inno Setup installer (107240/4/30)
20.4% (.EXE) InstallShield setup (43053/19/16)
19.7% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9)
3.0% (.EXE) Win64 Executable (generic) (6522/11/2)
2.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
dhash icon 5050d270cccc82ae (117 x Adware.Generic, 86 x OffLoader, 51 x ValleyRAT)
Reporter abuse_ch
Tags:exe RAT ValleyRAT


Avatar
abuse_ch
ValleyRAT C2:
156.247.40.131:4452

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
156.247.40.131:4452 https://threatfox.abuse.ch/ioc/1865044/

Intelligence

File Origin
# of uploads :
1
# of downloads :
202
Origin country :
NL NL
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/4b1f9a41-8e8b-457d-8835-20ebb82f61f4/
Detection:
WinosStager
Create hunting rule
Link:
https://www.capesandbox.com/analysis/76896/
Detection(s):
SecuriteInfo.com.BackDoor.Farfli.496.29489.32511.UNOFFICIAL
Create hunting rule

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
Running batch commands
Creating a process with a hidden window
Deleting a recently created file
Launching a process
Creating a file
Restart of the analyzed sample
Moving a file to the %temp% subdirectory
Using the Windows Management Instrumentation requests
Searching for the window
Creating a file in the %AppData% subdirectories
Loading a suspicious library
Modifying a system file
Creating a file in the Windows subdirectories
Possible injection to a system process
Launching a tool to kill processes
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context anti-debug crypto embarcadero_delphi evasive fingerprint inno installer installer installer-heuristic packed reconnaissance
Link:
https://www.filescan.io/uploads/6a6bd416ff55d9d7a11f6c47/reports/358682f2-cd29-4836-84ac-f94fde30fb54/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/58b16700b8a3b8f0db2fb2e14b8c3e835270111518e67239b373a81ffd265b9a
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-07-27T20:05:00Z UTC
Last seen:
2026-07-31T22:20:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/58b16700b8a3b8f0db2fb2e14b8c3e835270111518e67239b373a81ffd265b9a/results?tab=lookup
Malware family:
Utility for conversion Mozlz4 to JSON
Create hunting rule
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/f6e85aae-34c6-41c9-a6ee-4e0e029f9726
Result
Threat name:
ValleyRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1950417
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Contains functionality to detect sleep reduction / modifications
Contains functionality to inject code into remote processes
Contains functionality to inject threads in other processes
Found malware configuration
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Unusual module load detection (module proxying)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected ValleyRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1950417 Sample: kk9zwt9IYz.exe Startdate: 31/07/2026 Architecture: WINDOWS Score: 100 95 api.ipify.org 2->95 103 Suricata IDS alerts for network traffic 2->103 105 Found malware configuration 2->105 107 Antivirus / Scanner detection for submitted sample 2->107 109 5 other signatures 2->109 12 kk9zwt9IYz.exe 2 2->12         started        15 msiexec.exe 94 51 2->15         started        17 FFWallpaper.exe 2->17         started        19 FFWallpaper.exe 2->19         started        signatures3 process4 file5 75 C:\Users\user\AppData\...\kk9zwt9IYz.tmp, PE32 12->75 dropped 21 kk9zwt9IYz.tmp 3 3 12->21         started        77 C:\Windows\Installer\MSIE953.tmp, PE32 15->77 dropped 79 C:\Windows\Installer\MSIE904.tmp, PE32 15->79 dropped 81 C:\Windows\Installer\MSIE8D4.tmp, PE32 15->81 dropped 83 5 other malicious files 15->83 dropped 24 msiexec.exe 15->24         started        26 msiexec.exe 15->26         started        process6 file7 67 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 21->67 dropped 28 cmd.exe 1 21->28         started        process8 signatures9 119 Uses ping.exe to sleep 28->119 121 Uses ping.exe to check the status of other devices and networks 28->121 31 kk9zwt9IYz.exe 2 28->31         started        34 PING.EXE 1 28->34         started        37 conhost.exe 28->37         started        process10 dnsIp11 93 C:\Users\user\AppData\...\kk9zwt9IYz.tmp, PE32 31->93 dropped 39 kk9zwt9IYz.tmp 5 10 31->39         started        97 127.0.0.1 unknown unknown 34->97 file12 process13 file14 69 C:\Users\user\AppData\...\is-307LY4H979.tmp, PE32 39->69 dropped 71 C:\Users\user\...\inner_ai_setup.exe (copy), PE32 39->71 dropped 73 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 39->73 dropped 42 FFWallpaper.exe 39->42         started        46 inner_ai_setup.exe 13 39->46         started        49 cmd.exe 1 39->49         started        51 9 other processes 39->51 process15 dnsIp16 99 156.247.40.131, 4452, 49766, 49767 REDLUFF-NET01-RedLuffLLCUS Hong Kong SAR China 42->99 101 api.ipify.org 172.67.74.152, 443, 49768 CLOUDFLARENET-CloudflareIncUS Canada 42->101 111 Contains functionality to inject threads in other processes 42->111 113 Contains functionality to inject code into remote processes 42->113 115 Unusual module load detection (module proxying) 42->115 117 Contains functionality to detect sleep reduction / modifications 42->117 85 C:\Users\user\AppData\Local\...\shiE400.tmp, PE32+ 46->85 dropped 87 C:\Users\user\AppData\Local\...\MSIE625.tmp, PE32 46->87 dropped 89 C:\Users\user\AppData\Local\...\MSIE5C7.tmp, PE32 46->89 dropped 91 C:\Users\user\AppData\Local\...\MSIE4FB.tmp, PE32 46->91 dropped 53 msiexec.exe 46->53         started        55 conhost.exe 49->55         started        57 reg.exe 1 49->57         started        59 taskkill.exe 1 51->59         started        61 conhost.exe 51->61         started        63 conhost.exe 51->63         started        65 8 other processes 51->65 file17 signatures18 process19
Score:
73%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/58b16700b8a3b8f0db2fb2e14b8c3e835270111518e67239b373a81ffd265b9a
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 32 Exe x86
Link:
https://app.malva.re/file/8f93aa8aa04ca6c13477542655cdb74b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/58b16700b8a3b8f0db2fb2e14b8c3e835270111518e67239b373a81ffd265b9a/
Threat name:
Win32.Trojan.Wacatac
Create hunting rule
Status:
Suspicious
First seen:
2026-07-28 02:29:38 UTC
File Type:
PE (Exe)
Extracted files:
97
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=lcywoafyuo4pbwzpwlquxdb6qnjhaeivddtheontooub77jglona._file
Verdict:
malicious
Label(s):
ValleyRAT
Create hunting rule
Link:
https://reports.threatray.com/811bd3d1-908e-4c00-add5-a01467fda1c2
Result
Malware family:
valleyrat_s2
Create hunting rule
Score:
  10/10
Tags:
family:valleyrat_s2 backdoor defense_evasion discovery execution installer persistence
Link:
https://tria.ge/reports/260730-2prlnagm9y/
Behaviour
Kills process with taskkill
Modifies registry key
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Inno Setup is an open-source installation builder for Windows applications.
Executes a command shell one-liner
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Drops file in Windows directory
Adds Run key to start application
Enumerates connected drives
Indicator Removal: File Deletion
Looks up external IP address via web service
Executes dropped EXE
Loads dropped DLL
Family: ValleyRat
Malware Config
C2 Extraction:
156.247.40.131:4452
156.247.40.131:4453
127.0.0.1:80
Unpacked files
SH256 hash:
58b16700b8a3b8f0db2fb2e14b8c3e835270111518e67239b373a81ffd265b9a
MD5 hash:
8f93aa8aa04ca6c13477542655cdb74b
SHA1 hash:
8a68d580a0bb9f62923bf112a467cb723e9f1b5d
Link:
https://www.unpac.me/results/697510ba-437e-4f58-8800-e77e89dac9a3/
SH256 hash:
303990e72ee2c7dd8b9698c939f451c4948703279d2bc6860440ef385526a1ec
MD5 hash:
0ca9890cdd0c1cf4fcf71d07d10bcf78
SHA1 hash:
6538577eb20923b6ba1635d9e170334649006dde
Link:
https://www.unpac.me/results/697510ba-437e-4f58-8800-e77e89dac9a3/
SH256 hash:
5cf4d865caf8279ea26b99c452f14a3e1896675e890a95429f52694040beffd6
MD5 hash:
6af4f186daa62cc07ac4ebb14c4058f2
SHA1 hash:
c64a9b0c1a1b0b708c96f0418da495b22651872a
Link:
https://www.unpac.me/results/697510ba-437e-4f58-8800-e77e89dac9a3/
SH256 hash:
655fade4e32ecfa9b61ae1ac27d4d171fa285840a0b59ced552004c11e7d202d
MD5 hash:
830256125308621fe28994067c6396dc
SHA1 hash:
b6f4d1ea5c2c2ffbd28054c82c04fef61048ded8
Link:
https://www.unpac.me/results/697510ba-437e-4f58-8800-e77e89dac9a3/
SH256 hash:
8d7501dd322e0a37b15dea2911619c4e3d2246b940ef4334f9ce5fc59d758f73
MD5 hash:
6177ada598831c7a8474c60f6a162b2c
SHA1 hash:
62ef94b0271c7722ce2790d0165f65342c163ff3
Link:
https://www.unpac.me/results/697510ba-437e-4f58-8800-e77e89dac9a3/
Malware family:
ValleyRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/58b16700b8a3/report/overview.html
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:Borland
Create hunting rule
Author:malware-lu
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:Gh0stKCP
Create hunting rule
Author:Netresec
Description:Detects HP-Socket ARQ and KCP implementations, which are used in Gh0stKCP. Forked from @stvemillertime's KCP catchall rule.
Reference:https://netresec.com/?b=259a5af
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments
Reference:https://cyfare.net/
Rule name:VECT_Ransomware
Create hunting rule
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.
Rule name:WinosStager
Create hunting rule
Author:YungBinary
Description:https://www.esentire.com/blog/winos4-0-online-module-staging-component-used-in-cleversoar-campaign

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/76896/

Comments