MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5af11fcbde594f47706f4b5a8ee37a20fd4ed1ceb2537c9356ad5f0ff7300a9. 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: 10


Intelligence 10 IOCs 1 YARA 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b5af11fcbde594f47706f4b5a8ee37a20fd4ed1ceb2537c9356ad5f0ff7300a9
SHA3-384 hash: 89484b43768b946e224941b69d957b8a38a789aab90679619abdddfa2020474e3d2ce467df54f16f9a699c56d5b9eae0
SHA1 hash: c246702f11d9ad9505cf2c63820f0cb34717327b
MD5 hash: 3fd8d0f57f5c8876caacd2a4fef86ba6
humanhash: south-twenty-bravo-hotel
File name:3fd8d0f57f5c8876caacd2a4fef86ba6.exe
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:2'353'232 bytes
First seen:2026-07-13 01:30:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash e9d6723ad0e9063b525f384eb48d5a19 (2 x ValleyRAT)
ssdeep 24576:0gMucAicT6LONFHQPqJWNhBsEnCVLPiSaNYB59uXDAT:jcAicT6JPqJWNhCEnCslwgu
Threatray 31 similar samples on MalwareBazaar
TLSH T112B5E87BA5A183B8D38DB67EC163A744D433B1764732D0EB61B003668E1A4D19D3BB78
TrID 51.8% (.EXE) Win64 Executable (generic) (6522/11/2)
16.1% (.EXE) OS/2 Executable (generic) (2029/13)
15.9% (.EXE) Generic Win/DOS Executable (2002/3)
15.8% (.EXE) DOS Executable (generic) (2000/1)
0.2% (.VXD) VXD Driver (29/21)
Magika pebin
dhash icon 371637948da5c499 (2 x ValleyRAT)
Reporter abuse_ch
Tags:exe RAT ValleyRAT


Avatar
abuse_ch
ValleyRAT C2:
http://95.40.222.37/getinstall64

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://95.40.222.37/getinstall64 https://threatfox.abuse.ch/ioc/1849189/

Intelligence

File Origin
# of uploads :
1
# of downloads :
204
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/74380/
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a543ffaa53b0ea1c820ed71
Tags:
injection emotet obfusc virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for synchronization primitives
Restart of the analyzed sample
Creating a process with a hidden window
Connection attempt
Sending an HTTP GET request
Creating a file in the system32 subdirectories
Deleting a recently created file
Creating a file
Launching a process
Сreating synchronization primitives
Moving of the original file
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Malicious
Labled as:
Capa_reference_anti_VM_strings_targeting_Xen
Link:
https://www.hybrid-analysis.com/sample/b5af11fcbde594f47706f4b5a8ee37a20fd4ed1ceb2537c9356ad5f0ff7300a9
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-07-09T23:52:00Z UTC
Last seen:
2026-07-10T00:17:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/b5af11fcbde594f47706f4b5a8ee37a20fd4ed1ceb2537c9356ad5f0ff7300a9/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/77a8a308-e229-431d-a413-bbdec6a3682a
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1941291
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Benign windows process drops PE files
Changes memory attributes in foreign processes to executable or writable
Creates a thread in another existing process (thread injection)
Creates files in the system32 config directory
Found direct / indirect Syscall (likely to bypass EDR)
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 submitted file
Unusual module load detection (module proxying)
Writes to foreign memory regions
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1941291 Sample: oaiIMSNb8x.exe Startdate: 13/07/2026 Architecture: WINDOWS Score: 100 38 Antivirus detection for URL or domain 2->38 40 Antivirus detection for dropped file 2->40 42 Antivirus / Scanner detection for submitted sample 2->42 44 3 other signatures 2->44 8 oaiIMSNb8x.exe 1 2->8         started        process3 signatures4 56 Writes to foreign memory regions 8->56 58 Allocates memory in foreign processes 8->58 60 Found direct / indirect Syscall (likely to bypass EDR) 8->60 11 svchost.exe 12 19 8->11 injected 16 oaiIMSNb8x.exe 1 1 8->16         started        process5 dnsIp6 36 95.40.222.37, 49699, 49703, 49704 AMAZON-02-AmazoncomIncUS Hong Kong SAR China 11->36 32 C:\Program Files\Common Files\nvml.dll, PE32+ 11->32 dropped 34 C:\Program Files\Common Files\nvgpu_x64.exe, PE32+ 11->34 dropped 64 Benign windows process drops PE files 11->64 66 Creates files in the system32 config directory 11->66 68 Modifies the context of a thread in another process (thread injection) 11->68 70 Unusual module load detection (module proxying) 11->70 18 nvgpu_x64.exe 1 11->18         started        21 svchost.exe 1 11->21         started        23 svchost.exe 11->23         started        72 Moves itself to temp directory 16->72 74 Found direct / indirect Syscall (likely to bypass EDR) 16->74 file7 signatures8 process9 signatures10 46 Changes memory attributes in foreign processes to executable or writable 18->46 48 Writes to foreign memory regions 18->48 50 Allocates memory in foreign processes 18->50 54 2 other signatures 18->54 25 conhost.exe 18->25         started        52 Modifies the context of a thread in another process (thread injection) 21->52 27 dllhost.exe 21->27         started        30 dllhost.exe 23->30         started        process11 signatures12 62 Unusual module load detection (module proxying) 27->62
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/3fd8d0f57f5c8876caacd2a4fef86ba6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b5af11fcbde594f47706f4b5a8ee37a20fd4ed1ceb2537c9356ad5f0ff7300a9/
Threat name:
Win64.Trojan.Ravartar
Create hunting rule
Status:
Malicious
First seen:
2026-07-09 11:49:00 UTC
File Type:
PE+ (Exe)
Extracted files:
12
AV detection:
17 of 36 (47.22%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wwxrd7f54wkpi5yg6s22r3rxuih5j3i45mstpsjvnlk7b73tacuq._file
Verdict:
malicious
Label(s):
boxedrat
Create hunting rule
Similar samples:
0d5311014c66423261d1069fda108dab33673bd68d697e22adb096db05d851b7
ValleyRAT
3c414f24f823b072019b5ef2bf9ba0bcdb44fed8f4d9793b49dfda55b8ec701e
ValleyRAT
56e66ffef4ae328ebdf3539fb741410079a2acb6cb5e817c1d48aa537c478dcd
ValleyRAT
79ced052ef336b98a3dd0b032e79dd2fb2e91c36d8cf0c0d55cf7a2c6cdcf37e
ValleyRAT
7cc2270679a4e2b0ea959fc341af3966e0935642484afab0b711da7905e99d6a
ValleyRAT
b5af11fcbde594f47706f4b5a8ee37a20fd4ed1ceb2537c9356ad5f0ff7300a9
ValleyRAT
dc942f9d89f87fab2310ae1e4568c09440b531446ae808fef03585fdfa58b2a9
ValleyRAT
error
ValleyRAT
+ 21 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/260713-bxk6qscz9v/
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Unpacked files
SH256 hash:
b5af11fcbde594f47706f4b5a8ee37a20fd4ed1ceb2537c9356ad5f0ff7300a9
MD5 hash:
3fd8d0f57f5c8876caacd2a4fef86ba6
SHA1 hash:
c246702f11d9ad9505cf2c63820f0cb34717327b
Link:
https://www.unpac.me/results/c86ef0fe-b6f3-46e3-89ed-4f654612377f/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b5af11fcbde5/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.64
Link:
https://yomi.yoroi.company/submissions/b5af11fcbde594f47706f4b5a8ee37a20fd4ed1ceb2537c9356ad5f0ff7300a9

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: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:pe_detect_tls_callbacks
Create hunting rule
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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/74380/

Comments