MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1c0903c89ac226037dc1cae6f7b4b7b44759df8118d9eaaedda7044e5a6b56d1. 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: 12


Intelligence 12 IOCs 1 YARA 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1c0903c89ac226037dc1cae6f7b4b7b44759df8118d9eaaedda7044e5a6b56d1
SHA3-384 hash: a7dfe49a10dfd6b9abb68051a07860cdead71f369c4b6676972d9a87cce860344a4b2fe1bce9912c86dc1650fd45f9b2
SHA1 hash: cee729ce781a7bd387125678af7d4fca31b420ce
MD5 hash: 808f9a5008fcc45494d65b8af18539be
humanhash: oklahoma-spaghetti-sierra-massachusetts
File name:808f9a5008fcc45494d65b8af18539be.exe
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:21'757'304 bytes
First seen:2025-08-11 12:35:31 UTC
Last seen:2025-08-12 05:00:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ce928870c12966f713022f0bf0f5ef23 (1 x ValleyRAT)
ssdeep 393216:yRE45BQkNi7slU8GjiqLZZ6tJO9nSXjOm3KYQf9BpXXoYyLux9:aDlSiq9Z6zOiOm6hXULu7
TLSH T1CF27122638924672C1EA0471B604E7B5BEBFBE714A34069313C1FC692EB35E3E12557B
TrID 40.3% (.EXE) Win64 Executable (generic) (10522/11/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4504/4/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
dhash icon 4c68b3644563c3c4 (1 x ValleyRAT)
Reporter abuse_ch
Tags:exe RAT ValleyRAT


Avatar
abuse_ch
ValleyRAT C2:
43.135.78.62:962

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
43.135.78.62:962 https://threatfox.abuse.ch/ioc/1567274/

Intelligence

File Origin
# of uploads :
2
# of downloads :
104
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
808f9a5008fcc45494d65b8af18539be.exe
Verdict:
Malicious activity
Analysis date:
2025-08-11 12:36:15 UTC
Tags:
silverfox backdoor evasion
Link:
https://app.any.run/tasks/89b8a2e4-7663-4af3-844f-a06312e0223a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/20150/
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6899e3b6fca70bd90e8e22b8
Tags:
vmprotect emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Searching for the window
Creating a file
Enabling the 'hidden' option for analyzed file
Enabling autorun by creating a file
Verdict:
Malicious
Labled as:
Win/malicious_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/1c0903c89ac226037dc1cae6f7b4b7b44759df8118d9eaaedda7044e5a6b56d1
Result
Threat name:
ValleyRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad.spyw
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1754564
Signature
Contains functionality to capture and log keystrokes
Contains functionality to determine the online IP of the system
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)
Multi AV Scanner detection for submitted file
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to delay execution (extensive OutputDebugStringW loop)
Yara detected ValleyRAT
Behaviour
Behavior Graph:
Download SVG
Score:
0%
Verdict:
Benign
File Type:
PE
Link:
https://malprob.io/report/1c0903c89ac226037dc1cae6f7b4b7b44759df8118d9eaaedda7044e5a6b56d1
Gathering data
Gathering data
Verdict:
Malicious
Threat:
Backdoor.Win32.Xkcp
Link:
https://tip.neiki.dev/file/1c0903c89ac226037dc1cae6f7b4b7b44759df8118d9eaaedda7044e5a6b56d1
Threat name:
Win32.Malware.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-08-06 11:10:51 UTC
File Type:
PE (Exe)
Extracted files:
44
AV detection:
13 of 36 (36.11%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dqeqhse2yitag7obzltppnfxwrdvtx4bddm6vlw5u4ce4wtlk3iq._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery
Link:
https://tria.ge/reports/250811-pss8fawwb1/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
System Location Discovery: System Language Discovery
Enumerates connected drives
Looks up external IP address via web service
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/e3e3e2bd-8104-46e2-94d2-5ad0ca64f213
Malware family:
ValleyRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1c0903c89ac2/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/1c0903c89ac226037dc1cae6f7b4b7b44759df8118d9eaaedda7044e5a6b56d1

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:Check_OutputDebugStringA_iat
Create hunting rule
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:malware_shellcode_hash
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_peb_parsing
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Trojan_Winos_464b8a2e
Create hunting rule
Author:Elastic Security

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/20150/

Comments