MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b2dea30b5ef3c46ffdd74b9ec4cc22580682d5121d6b907320c980cc872da406. 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: 15
| SHA256 hash: | b2dea30b5ef3c46ffdd74b9ec4cc22580682d5121d6b907320c980cc872da406 |
|---|---|
| SHA3-384 hash: | 98da11af03424cbc1a312aef61879f1eb0d42aa13b39db201db2fa820be51d4e699cb543bd64212ea54f395b44db8c38 |
| SHA1 hash: | fe552c2ea066dc44fba8d4e80ec2cc6e1d97c0d0 |
| MD5 hash: | a31dd1f88d758c92a07ffd134d761a70 |
| humanhash: | seven-mississippi-summer-pasta |
| File name: | a31dd1f88d758c92a07ffd134d761a70.exe |
| Download: | download sample |
| Signature | ValleyRAT |
| File size: | 662'528 bytes |
| First seen: | 2025-07-31 16:10:21 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 9aebf3da4677af9275c461261e5abde3 (25 x YTStealer, 12 x CobaltStrike, 11 x Hive) |
| ssdeep | 12288:L7j/oDy0IWVveoIscF43emVfTjwYTojJK+:b/uykV7ILFwnLjwYc1p |
| Threatray | 481 similar samples on MalwareBazaar |
| TLSH | T175E40129375AD44FE542F53D29F08AA867A3AC646C84CB01BF9579ADC730F9038572EC |
| TrID | 55.2% (.EXE) UPX compressed Win64 Executable (70117/5/12) 21.3% (.EXE) UPX compressed Win32 Executable (27066/9/6) 13.0% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 3.9% (.EXE) Win16 NE executable (generic) (5038/12/1) 1.6% (.ICL) Windows Icons Library (generic) (2059/9) |
| Magika | pebin |
| dhash icon | 00eca2b2d6cc4d92 (2 x ValleyRAT, 1 x Cobalt Strike, 1 x CobaltStrike) |
| Reporter |  abuse_ch |
| Tags: | exe RAT ValleyRAT |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| 154.94.232.230:668 | https://threatfox.abuse.ch/ioc/1562917/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
46
Origin country :
NLVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a31dd1f88d758c92a07ffd134d761a70.exe
Verdict:
Malicious activity
Analysis date:
2025-07-31 16:12:47 UTC
Tags:
upx valley winos rat silverfox
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Malicious
Score:
93.3%
Tags:
shellcode emotet virus
Result
Verdict:
Clean
Maliciousness:
Behaviour
Connection attempt
Sending a custom TCP request
Сreating synchronization primitives
Creating a window
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
anti-debug mingw packed packed packed upx
Verdict:
Malicious
Labled as:
Win64/ShellcodeRunner_AGeneric.AN trojan
Malware family:
ValleyRAT
Verdict:
Malicious
Result
Threat name:
ValleyRAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Contains functionality to capture and log keystrokes
Contains functionality to inject code into remote processes
Contains functionality to inject threads in other processes
Found evasive API chain (may stop execution after checking mutex)
Found malware configuration
Found stalling execution ending in API Sleep call
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Tries to detect sandboxes / dynamic malware analysis system (QueryWinSAT)
Yara detected ValleyRAT
Behaviour
Behavior Graph:
Score:
99%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) Win 64 Exe x64
Verdict:
Malicious
Threat:
Trojan.Win64.Shellcode
Threat name:
Win64.Malware.Heuristic
Status:
Malicious
First seen:
2025-07-28 08:31:37 UTC
File Type:
PE+ (Exe)
Extracted files:
114
AV detection:
17 of 36 (47.22%)
Threat level:
2/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
donut_injector
valleyrat
Similar samples:
+ 471 additional samples on MalwareBazaar
Result
Malware family:
valleyrat_s2
Score:
10/10
Tags:
family:valleyrat_s2 backdoor persistence ransomware upx
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Uses Task Scheduler COM API
Uses Volume Shadow Copy WMI provider
Uses Volume Shadow Copy service COM API
UPX packed file
Enumerates connected drives
ValleyRat
Valleyrat_s2 family
Malware Config
C2 Extraction:
154.94.232.230:668
154.94.232.230:866
154.94.232.230:866
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
b2dea30b5ef3c46ffdd74b9ec4cc22580682d5121d6b907320c980cc872da406
MD5 hash:
a31dd1f88d758c92a07ffd134d761a70
SHA1 hash:
fe552c2ea066dc44fba8d4e80ec2cc6e1d97c0d0
SH256 hash:
738cdc3d692b8f7d923f6fa3f62edb774401f79e3401bc32b6d950c81c924b1d
MD5 hash:
edbef638dcaea3c14ffe9145ce845fa0
SHA1 hash:
f8ef7ae8c445612648f775e8a333862f59b31c47
Malware family:
DonutLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.14
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: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerCheck__QueryInfo |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| 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: | pe_detect_tls_callbacks |
|---|
| Rule name: | Sus_Obf_Enc_Spoof_Hide_PE |
|---|---|
| Author: | XiAnzheng |
| Description: | Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP) |
| Rule name: | ThreadControl__Context |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | upx_largefile |
|---|---|
| Author: | k3nr9 |
| Rule name: | Windows_Generic_Threat_3055c14a |
|---|---|
| Author: | Elastic Security |
| Rule name: | Windows_Trojan_Winos_464b8a2e |
|---|---|
| Author: | Elastic Security |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.