MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 31d3c40fd1e057e3d51d0ddd8286c68018da8d2fcc8fa45c2c6ec8cac0ec9398. 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
| SHA256 hash: | 31d3c40fd1e057e3d51d0ddd8286c68018da8d2fcc8fa45c2c6ec8cac0ec9398 |
|---|---|
| SHA3-384 hash: | eb033d5cbadfc5dddfa07a694db77aad99f5d84059156dd664fadde61deece2c369cecf30e58b87967b3360f97eeb55c |
| SHA1 hash: | 24dad8c79d0a0b98788be8b33b861d13c02f5ec4 |
| MD5 hash: | d248e4074eb08761dd6e42a81f9378b9 |
| humanhash: | paris-harry-tennessee-island |
| File name: | 2026.09.11....人员名单.exe |
| Download: | download sample |
| Signature | ValleyRAT |
| File size: | 182'784 bytes |
| First seen: | 2026-09-14 14:45:34 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | d2030e90db5f4cc9f8268db27befb0dd (2 x ValleyRAT) |
| ssdeep | 3072:i7FALdxydy99veT7iNy0pvjhombhUKTaWfM+GWgjeYutF+aq/pljigoDJF9i8oHD:JR7oeTaWf/9gxutFqYJF9Gj |
| TLSH | T10604280F27A036F8D26FA77088E2A251E7717C711BE18F4E1794522A5F732427E2B725 |
| TrID | 33.1% (.EXE) Win64 Executable (generic) (6522/11/2) 25.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 10.4% (.ICL) Windows Icons Library (generic) (2059/9) 10.3% (.EXE) OS/2 Executable (generic) (2029/13) 10.1% (.EXE) Generic Win/DOS Executable (2002/3) |
| Magika | pebin |
| dhash icon | 71d8b4a4a0cacc71 (1 x ValleyRAT) |
| Reporter |  Ling |
| Tags: | exe SilverFox ValleyRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
163
Origin country :
USVendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
2026.09.11....人员名单.exe
Verdict:
Suspicious activity
Analysis date:
2026-09-14 14:15:37 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
DNS request
Connection attempt
Launching a service
Moving of the original file
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
anti-debug microsoft_visual_cc
Verdict:
Malicious
Labled as:
Mikey.Generic
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-09-14T12:02:00Z UTC
Last seen:
2026-09-14T14:51:00Z UTC
Hits:
~10
Detections:
Trojan.Win32.SilverFox.af PDM:Trojan.Win32.Generic
Verdict:
Unknown
Score:
93%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Threat name:
Win64.Trojan.Silverfox
Status:
Malicious
First seen:
2026-09-14 14:46:27 UTC
File Type:
PE+ (Exe)
Extracted files:
9
AV detection:
22 of 37 (59.46%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
3/10
Tags:
n/a
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
Unpacked files
SH256 hash:
31d3c40fd1e057e3d51d0ddd8286c68018da8d2fcc8fa45c2c6ec8cac0ec9398
MD5 hash:
d248e4074eb08761dd6e42a81f9378b9
SHA1 hash:
24dad8c79d0a0b98788be8b33b861d13c02f5ec4
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | 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
Delivery method
Distributed via web download
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