MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 255cdacde3f3951fc41cad1d6a248f0bf27ae7aa4fa5b058848b3a1cb93533c4. 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: 13
| SHA256 hash: | 255cdacde3f3951fc41cad1d6a248f0bf27ae7aa4fa5b058848b3a1cb93533c4 |
|---|---|
| SHA3-384 hash: | 1a67677fe80836c5aacfe1d6e5af7a06b7ad9fc04c230eee662632218be96ddd5750c799486508549fae20b91401c975 |
| SHA1 hash: | 6a1db4d785c9cb67a76f824b4aa09fb8dcb75f12 |
| MD5 hash: | d8891d765b56e7026b6bfde10961f3bb |
| humanhash: | white-ohio-sink-gee |
| File name: | 979298b2781780176dbcaa81dd421525.exe |
| Download: | download sample |
| Signature | ValleyRAT |
| File size: | 7'003'137 bytes |
| First seen: | 2026-09-03 16:34:48 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | a96ea8e43814b5076719418de520d097 (1 x ValleyRAT) |
| ssdeep | 98304:yBc0cYcdRuj1cQSRkzhIsf5ySKu0a6ltRJCk210HOo3Guf3dUXeTvNz:ym0Uucuas4ShAtRoRWP3Guf3dUuTVz |
| TLSH | T11E66BF4732A881ABD0A7D179CA438F4FD7F274955B3193CF00648A9E2F777A14E29326 |
| 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 |
| Reporter |  Ling |
| Tags: | exe SilverFox Trojan/SilverFox.sd[ld] ValleyRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
158
Origin country :
USVendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
979298b2781780176dbcaa81dd421525.exe
Verdict:
No threats detected
Analysis date:
2026-09-03 16:13:18 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
Creating a file
DNS request
Connection attempt
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
adaptive-context anti-debug crypto explorer fingerprint keylogger lolbin microsoft_visual_cc overlay packed reconnaissance
Verdict:
Malicious
Labled as:
Win/malicious_confidence_60%
Verdict:
Malicious
File Type:
dll x64
First seen:
2026-09-03T06:54:00Z UTC
Last seen:
2026-09-03T08:59:00Z UTC
Hits:
~10
Detections:
Trojan.Win64.Agent.ljr Trojan.Win32.Shellcode.sb Trojan.Win32.Inject.sb Trojan.Win32.Agentc.av HEUR:Trojan.Multi.ShellCode.gen Trojan.Win64.Agentb.sb Trojan.Win32.Shellcode.sxd PDM:Trojan.Win32.Generic
Malware family:
UACMe
Verdict:
Malicious
Score:
100%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Threat name:
Win64.Trojan.CobaltStrike
Status:
Malicious
First seen:
2026-09-03 16:35:27 UTC
File Type:
PE+ (Dll)
Extracted files:
1
AV detection:
13 of 36 (36.11%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
DonutLoader
Result
Malware family:
valleyrat_s2
Score:
10/10
Tags:
family:donutloader family:valleyrat_s2 backdoor loader
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Detects DonutLoader
Family: DonutLoader
Family: ValleyRat
Unpacked files
SH256 hash:
255cdacde3f3951fc41cad1d6a248f0bf27ae7aa4fa5b058848b3a1cb93533c4
MD5 hash:
d8891d765b56e7026b6bfde10961f3bb
SHA1 hash:
6a1db4d785c9cb67a76f824b4aa09fb8dcb75f12
Malware family:
DonutLoader
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: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerException__SetConsoleCtrl |
|---|---|
| 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: | meth_stackstrings |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | telebot_framework |
|---|---|
| Author: | vietdx.mb |
| 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/ |
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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