MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a665d9abd9d4a28112503ba9aab17ea492ba0f2741607cdfd446521e4bf9fb22. 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: 11


Intelligence 11 IOCs 1 YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a665d9abd9d4a28112503ba9aab17ea492ba0f2741607cdfd446521e4bf9fb22
SHA3-384 hash: 49637579814561f7581acf8682f8e08938e3f2a8f87bd4b7f2892c9d36d74021c6a362eba0aef0d870f76f472350bf15
SHA1 hash: b411441d74dea499495926655b6a981793beb111
MD5 hash: 043e953a69b7dceffe7e9fd80cfeef9b
humanhash: november-bakerloo-mango-quebec
File name:043e953a69b7dceffe7e9fd80cfeef9b.exe
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:54'272 bytes
First seen:2026-06-05 01:45:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash a66ac84db6116999f6cded522d9f3b4f (6 x ValleyRAT)
ssdeep 768:YPWZ6PRcrS+DR/4a1eTity7oe7lur0EDYr3Rlm/pZ+1OZJz:YgHuyRAgH07oaEDYDbm/pZ+1OZJz
TLSH T13933E73B53E98054F2AB92B56E79717658BBF47C50B4B20E0321CD2D2B22E395ED432D
TrID 45.6% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
18.0% (.EXE) Win64 Executable (generic) (6522/11/2)
13.9% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.6% (.ICL) Windows Icons Library (generic) (2059/9)
5.6% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter abuse_ch
Tags:exe RAT ValleyRAT


Avatar
abuse_ch
ValleyRAT C2:
http://gxfsxs.cn:8880/getinstall64

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://gxfsxs.cn:8880/getinstall64 https://threatfox.abuse.ch/ioc/1822631/

Intelligence

File Origin
# of uploads :
1
# of downloads :
142
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
_a665d9abd9d4a28112503ba9aab17ea492ba0f2741607cdfd446521e4bf9fb22.exe
Verdict:
No threats detected
Analysis date:
2026-06-05 01:46:45 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/ec792ce1-6eb8-4ba9-bdeb-0b96115d4082

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/69068/
Detection(s):
SecuriteInfo.com.Trojan.Siggen32.45800.20921.31316.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a222a6bf8676ad4d3613795
Tags:
emotet cobalt
Result
Verdict:
Malware
Maliciousness:

Behaviour
Restart of the analyzed sample
Creating a process with a hidden window
Searching for synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Creating a file in the system32 subdirectories
Deleting a recently created file
Creating a file in the Program Files subdirectories
Launching a process
Creating a window
Moving of the original file
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context anti-debug
Link:
https://www.filescan.io/uploads/6a222a664bb6e36d180bbdbb/reports/c0bbd629-ff2e-4df9-b84e-493ebda8b26e/overview
Verdict:
Malicious
Labled as:
Ulise.Generic
Link:
https://www.hybrid-analysis.com/sample/a665d9abd9d4a28112503ba9aab17ea492ba0f2741607cdfd446521e4bf9fb22
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-05-28T14:14:00Z UTC
Last seen:
2026-06-05T02:35:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan-Dropper.Win32.Generic
Link:
https://opentip.kaspersky.com/a665d9abd9d4a28112503ba9aab17ea492ba0f2741607cdfd446521e4bf9fb22/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/8439b342-b503-487b-a491-49f31fb76af1
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1923349
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
Benign windows process drops PE files
Changes memory attributes in foreign processes to executable or writable
Contains functionality to inject code into remote processes
Creates a thread in another existing process (thread injection)
Creates files in the system32 config directory
Drops executable to a common third party application directory
Found direct / indirect Syscall (likely to bypass EDR)
Hijacks the control flow in another process
Joe Sandbox ML detected suspicious sample
Modifies the context of a thread in another process (thread injection)
Moves itself to temp directory
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Unusual module load detection (module proxying)
Uses known network protocols on non-standard ports
Writes to foreign memory regions
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1923349 Sample: 7uU6V5Y1sA.exe Startdate: 05/06/2026 Architecture: WINDOWS Score: 100 37 gxfsxs.cn 2->37 41 Antivirus detection for URL or domain 2->41 43 Multi AV Scanner detection for dropped file 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 3 other signatures 2->47 9 7uU6V5Y1sA.exe 2->9         started        signatures3 process4 signatures5 59 Contains functionality to inject code into remote processes 9->59 61 Writes to foreign memory regions 9->61 63 Allocates memory in foreign processes 9->63 65 Found direct / indirect Syscall (likely to bypass EDR) 9->65 12 svchost.exe 12 19 9->12 injected 17 7uU6V5Y1sA.exe 1 1 9->17         started        process6 dnsIp7 39 gxfsxs.cn 18.167.150.69, 49719, 49720, 49721 AMAZON-02-AmazoncomIncUS Hong Kong SAR China 12->39 33 C:\Program Files\Internet Explorer\log.dll, PE32+ 12->33 dropped 35 C:\Program Files\...\installer.exe, PE32+ 12->35 dropped 69 Benign windows process drops PE files 12->69 71 Hijacks the control flow in another process 12->71 73 Creates files in the system32 config directory 12->73 79 3 other signatures 12->79 19 installer.exe 1 12->19         started        22 svchost.exe 1 12->22         started        24 svchost.exe 12->24         started        75 Moves itself to temp directory 17->75 77 Found direct / indirect Syscall (likely to bypass EDR) 17->77 file8 signatures9 process10 signatures11 49 Hijacks the control flow in another process 19->49 51 Changes memory attributes in foreign processes to executable or writable 19->51 53 Writes to foreign memory regions 19->53 57 3 other signatures 19->57 26 conhost.exe 19->26         started        55 Modifies the context of a thread in another process (thread injection) 22->55 28 dwm.exe 22->28         started        31 dwm.exe 24->31         started        process12 signatures13 67 Unusual module load detection (module proxying) 28->67
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a665d9abd9d4a28112503ba9aab17ea492ba0f2741607cdfd446521e4bf9fb22
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a665d9abd9d4a28112503ba9aab17ea492ba0f2741607cdfd446521e4bf9fb22/
Verdict:
Malicious
Threat:
Family.VALLEYRAT
Link:
https://tip.neiki.dev/file/a665d9abd9d4a28112503ba9aab17ea492ba0f2741607cdfd446521e4bf9fb22
Threat name:
Win64.Trojan.Ulise
Create hunting rule
Status:
Malicious
First seen:
2026-05-28 12:52:00 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
22 of 36 (61.11%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=uzs5tk6z2sricesqhou2vml6usjludzhifqhzx6uizjb4s7z7mra._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/260605-b65azabt7r/
Behaviour
Checks processor information in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
a665d9abd9d4a28112503ba9aab17ea492ba0f2741607cdfd446521e4bf9fb22
MD5 hash:
043e953a69b7dceffe7e9fd80cfeef9b
SHA1 hash:
b411441d74dea499495926655b6a981793beb111
Link:
https://www.unpac.me/results/712f93dd-def3-47ec-98ff-98e56817714e/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a665d9abd9d4/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.46
Link:
https://yomi.yoroi.company/submissions/a665d9abd9d4a28112503ba9aab17ea492ba0f2741607cdfd446521e4bf9fb22

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: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:DebuggerCheck__MemoryWorkingSet
Create hunting rule
Author:Fernando Mercês
Description:Anti-debug process memory working set size check
Reference:http://www.gironsec.com/blog/2015/06/anti-debugger-trick-quicky/
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:pe_detect_tls_callbacks
Create hunting rule
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:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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.

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/69068/

Comments