MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 44712bce3f57afef3731390e3d6704cddc692a3130ccf94727fbfe23beca1f53. 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: 16
| SHA256 hash: | 44712bce3f57afef3731390e3d6704cddc692a3130ccf94727fbfe23beca1f53 |
|---|---|
| SHA3-384 hash: | 1f0263b157182ba2caa701f174724ab7fe3d6fae26b1cd2c912ce01e06e0202977baf1a5eba9863d324fd4b5cce4f9c0 |
| SHA1 hash: | 6264b7366a7cc044192becb418cdca1db0429fdf |
| MD5 hash: | cde5aff821ba0fdec4032b58bf582492 |
| humanhash: | wisconsin-ohio-vermont-echo |
| File name: | file |
| Download: | download sample |
| Signature | ValleyRAT |
| File size: | 1'377'280 bytes |
| First seen: | 2025-11-19 09:03:55 UTC |
| Last seen: | 2025-11-19 09:04:03 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | b8bf08fa843a9ec1ce10d80fbf550c26 (82 x ValleyRAT, 1 x Gh0stRAT) |
| ssdeep | 12288:ypXAKdMst2/w9wk3Mh5YssJjFnTTNbnGkShsveitCArsutlhawUs1:yiPw9N3MA1JjFnFbGth4XtXh3haxs1 |
| Threatray | 302 similar samples on MalwareBazaar |
| TLSH | T1355512153181D472C85726308AFD93BA5A79E4325BF842DFA3D429BE4FB03D05AB6387 |
| TrID | 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 15.9% (.EXE) Win64 Executable (generic) (10522/11/4) 9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 7.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 6.8% (.EXE) Win32 Executable (generic) (4504/4/1) |
| Magika | pebin |
| Reporter |  Bitsight |
| Tags: | dropped-by-amadey exe fbf543 ValleyRAT |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| 223.26.62.216:5566 | https://threatfox.abuse.ch/ioc/1646538/ |
| 121.127.233.109:66 | https://threatfox.abuse.ch/ioc/1646539/ |
Intelligence
File Origin
# of uploads :
2
# of downloads :
83
Origin country :
USVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2025-11-19 09:05:05 UTC
Tags:
m0yv silverfox backdoor valley winos rat valleyrat
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
WinosStager
Verdict:
Malicious
Score:
99.9%
Tags:
shellcode dropper emotet blic
Result
Verdict:
Malware
Maliciousness:
Behaviour
Сreating synchronization primitives
Creating a file in the %AppData% directory
Modifying a system executable file
Launching a service
Launching a process
Searching for synchronization primitives
Loading a system driver
Sending a custom TCP request
Connection attempt
Connection attempt to an infection source
Creating a file in the system32 subdirectories
Modifying an executable file
Modifying a system file
Creating a file in the Windows subdirectories
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun for a service
Query of malicious DNS domain
Infecting executable files
Sending an HTTP POST request to an infection source
Sending an HTTP GET request to an infection source
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-vm expiro microsoft_visual_cc virus virut
Verdict:
Malicious
Labled as:
Expiro.Generic
Result
Gathering data
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-15T21:25:00Z UTC
Last seen:
2025-11-15T22:13:00Z UTC
Hits:
~10
Malware family:
ValleyRAT
Verdict:
Malicious
Score:
100%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 32 Exe x86
Verdict:
Malicious
Threat:
Family.VALLEYRAT_S2
Gathering data
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
valleyrat
Similar samples:
+ 292 additional samples on MalwareBazaar
Result
Malware family:
valleyrat_s2
Score:
10/10
Tags:
family:valleyrat_s2 backdoor discovery ransomware spyware stealer
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Volume Shadow Copy service COM API
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 directory
Enumerates connected drives
Executes dropped EXE
Reads user/profile data of web browsers
ValleyRat
Valleyrat_s2 family
Malware Config
C2 Extraction:
223.26.62.216:5566
223.26.62.216:66778
127.0.0.1:8080
223.26.62.216:66778
127.0.0.1:8080
Verdict:
Malicious
Tags:
Win.Malware.Fragtor-10028386-0 Expiro
YARA:
n/a
Unpacked files
SH256 hash:
44712bce3f57afef3731390e3d6704cddc692a3130ccf94727fbfe23beca1f53
MD5 hash:
cde5aff821ba0fdec4032b58bf582492
SHA1 hash:
6264b7366a7cc044192becb418cdca1db0429fdf
SH256 hash:
982d51e4f874ed2542b69cbe7000ddca7720454ccb34519176b3dc1d68bd7ed5
MD5 hash:
c251c4b9a77c7a74321949c0e6a767c8
SHA1 hash:
86fa710e14abf7913030c81be196450f5e48f7ac
SH256 hash:
abdd6f31a909b0b10e30ced74a1f6f037adf1f61a8a842048dbc254d6f076169
MD5 hash:
c33a7f0e25bb3f4d3c19fc8441e9d12b
SHA1 hash:
0286b277e97b9f7c217a0d029e8144f8e20b40b9
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Expiro
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: | GenericGh0st |
|---|---|
| Author: | Still |
| Rule name: | Gh0stKCP |
|---|---|
| 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 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | Indicator_MiniDumpWriteDump |
|---|---|
| Author: | Obscurity Labs LLC |
| Description: | Detects PE files and PowerShell scripts that use MiniDumpWriteDump either through direct imports or string references |
| Rule name: | maldoc_find_kernel32_base_method_1 |
|---|---|
| Author: | Didier Stevens (https://DidierStevens.com) |
| Rule name: | maldoc_getEIP_method_1 |
|---|---|
| Author: | Didier Stevens (https://DidierStevens.com) |
| Rule name: | malware_shellcode_hash |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect shellcode api hash value |
| Rule name: | MD5_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for MD5 constants |
| Rule name: | meth_get_eip |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | meth_peb_parsing |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | SHA512_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for SHA384/SHA512 constants |
| Rule name: | ThreadControl__Context |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | ValleyRAT |
|---|---|
| Author: | NDA0E |
| Description: | Detects ValleyRAT |
| Rule name: | vmdetect |
|---|---|
| Author: | nex |
| Description: | Possibly employs anti-virtualization techniques |
| Rule name: | win64_valley_rat |
|---|---|
| Author: | Reedus0 |
| Description: | Rule for detecting ValleyRAT malware |
| Rule name: | Windows_Generic_Threat_4b0b73ce |
|---|---|
| Author: | Elastic Security |
| Rule name: | Windows_Generic_Threat_ebf62328 |
|---|---|
| Author: | Elastic Security |
| Rule name: | Windows_Trojan_Winos_464b8a2e |
|---|---|
| Author: | Elastic Security |
| Rule name: | win_m0yv_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | Detects win.m0yv. |
| Rule name: | win_valley_rat_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | Detects win.valley_rat. |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Dropped by
Amadey
Delivery method
Distributed via web download
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