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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bbba40d2bf3c25acd2449271c6b4e7ed2edeb2b022f2498480b6e25f2f443b14. 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: 6


Intelligence 6 IOCs YARA 13 File information Comments

SHA256 hash: bbba40d2bf3c25acd2449271c6b4e7ed2edeb2b022f2498480b6e25f2f443b14
SHA3-384 hash: 0d256b98e2f9179a36a0c7215b5c2fed000ed995b3f079085de3b0072e87b1757a974ee8aae0a37ab33f0da632fe817e
SHA1 hash: 294f7519ee9ee2ff6ebf4fbe0ddccd21acfa7acd
MD5 hash: 04267d26501189905813ae7fc60de46f
humanhash: network-august-violet-south
File name:2026.09.02人员名单yioabcasdhqwiqgfj123222.exe
Download: download sample
Signature ValleyRAT
File size:284'160 bytes
First seen:2026-09-03 16:33:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 21a2b5797c168827045d7bc150997013 (1 x ValleyRAT)
ssdeep 6144:IrgIecc07I+KuyT2SDtOhjJTCEliR+8b6zyrdHPQAuel:IEYykOgjwOqP6erL
TLSH T14A546C12F7A54AF8E027E13C85955612F6B17C099B70CBDF52C44AA66F9BAD4AF3C300
TrID 37.0% (.EXE) Win64 Executable (generic) (6522/11/2)
28.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
11.5% (.EXE) OS/2 Executable (generic) (2029/13)
11.3% (.EXE) Generic Win/DOS Executable (2002/3)
11.3% (.EXE) DOS Executable (generic) (2000/1)
Magika pebin
Reporter Ling
Tags:exe SilverFox Trojan/SilverFox.bg[qtsc] ValleyRAT


Avatar
CNGaoLing
Trojan/SilverFox.bg[qtsc]
IOC (Domain aidksoflsf.cn) (IP 95.41.30.246:8443)

Intelligence


File Origin
# of uploads :
1
# of downloads :
148
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
2026.09.02人员名单yioabcasdhqwiqgfj123222.exe
Verdict:
Malicious activity
Analysis date:
2026-09-03 16:04:02 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
anti-debug microsoft_visual_cc reconnaissance
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-09-03T06:36:00Z UTC
Last seen:
2026-09-03T09:03:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.Win64.Generic
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Gathering data
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
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
Checks installed software on the system
Checks computer location settings
Unpacked files
SH256 hash:
bbba40d2bf3c25acd2449271c6b4e7ed2edeb2b022f2498480b6e25f2f443b14
MD5 hash:
04267d26501189905813ae7fc60de46f
SHA1 hash:
294f7519ee9ee2ff6ebf4fbe0ddccd21acfa7acd
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__MemoryWorkingSet
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:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_detect_tls_callbacks
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE
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
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.

Web download

ValleyRAT

Executable exe bbba40d2bf3c25acd2449271c6b4e7ed2edeb2b022f2498480b6e25f2f443b14

(this sample)

  
Delivery method
Distributed via web download

Comments