MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 39b97a3ac9073eb765234a5b2deafc8730152bab74a1e5245c57fcd3e600f01c. 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: 14
| SHA256 hash: | 39b97a3ac9073eb765234a5b2deafc8730152bab74a1e5245c57fcd3e600f01c |
|---|---|
| SHA3-384 hash: | 1bfbb8c4f0573236f14eca9c2ad26b7a21f46aee4abd7b22bf1f8f5349219cf4eeb2d8985010cd050bf1fdf279525108 |
| SHA1 hash: | 92446ebcdde5eb1626e2ddf90fb0b2d82b56ccab |
| MD5 hash: | d3cc4ea7b21768be6d3bd7206a18d4e3 |
| humanhash: | may-venus-pluto-cup |
| File name: | d3cc4ea7b21768be6d3bd7206a18d4e3.exe |
| Download: | download sample |
| Signature | ValleyRAT |
| File size: | 1'206'272 bytes |
| First seen: | 2025-01-05 09:25:15 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | e92c9e05f9794d7cf7c686b66e0ff393 (2 x ValleyRAT) |
| ssdeep | 24576:YFXYvaDJDLWQml5Uo7WrHtjIZ661juPvAhAKo0kp/H4Ab:YFovaDJDSl5UowHxK661juPvAhAKo0kV |
| TLSH | T1A8454A17AAA59CFEC93AC035D7A3D2B25A21FC3F4124B55D0AD5EB312D6EC205B3B214 |
| TrID | 41.1% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 26.1% (.EXE) Win64 Executable (generic) (10522/11/4) 12.5% (.EXE) Win16 NE executable (generic) (5038/12/1) 5.1% (.ICL) Windows Icons Library (generic) (2059/9) 5.0% (.EXE) OS/2 Executable (generic) (2029/13) |
| Magika | pebin |
| File icon (PE): |  |
| dhash icon | c288ccf0f0c2fa9e (2 x ValleyRAT) |
| Reporter |  abuse_ch |
| Tags: | exe SilverFox ValleyRAT winos |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| 69.165.65.231:6661 | https://threatfox.abuse.ch/ioc/1378385/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
492
Origin country :
NLVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d3cc4ea7b21768be6d3bd7206a18d4e3.exe
Verdict:
Malicious activity
Analysis date:
2025-01-05 09:27:11 UTC
Tags:
payload
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
downloader dropper emotet virus
Result
Verdict:
Malware
Maliciousness:
Behaviour
Сreating synchronization primitives
Searching for the window
DNS request
Connection attempt
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
anti-debug mingw
Verdict:
Malicious
Labled as:
Trojan.Generic
Result
Verdict:
MALICIOUS
Verdict:
Suspicious
Result
Threat name:
GhostRat
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Signature
AI detected suspicious sample
Allocates memory in foreign processes
Contains functionality to capture and log keystrokes
Contains functionality to inject code into remote processes
Contains functionality to inject threads in other processes
Contains functionality to modify Windows User Account Control (UAC) settings
Creates a thread in another existing process (thread injection)
Delayed program exit found
Detected unpacking (creates a PE file in dynamic memory)
Found API chain indicative of debugger detection
Found evasive API chain (may stop execution after checking mutex)
Found stalling execution ending in API Sleep call
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Protects its processes via BreakOnTermination flag
Sigma detected: Suspect Svchost Activity
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected GhostRat
Behaviour
Behavior Graph:
Score:
91%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Backdoor.GhostRAT
Status:
Malicious
First seen:
2024-11-25 02:51:45 UTC
File Type:
PE+ (Exe)
Extracted files:
23
AV detection:
17 of 38 (44.74%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
valleyrat_s2
Score:
10/10
Tags:
family:valleyrat_s2 backdoor
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
ValleyRat
Valleyrat_s2 family
Malware Config
C2 Extraction:
ffff.yunjlsu.xyz:6662
ffff.yunjlsu.xyz:6661
ffff.yunjlsu.xyz:8011
ffff.yunjlsu.xyz:6661
ffff.yunjlsu.xyz:8011
Verdict:
Suspicious
Tags:
processkiller
YARA:
n/a
Unpacked files
SH256 hash:
39b97a3ac9073eb765234a5b2deafc8730152bab74a1e5245c57fcd3e600f01c
MD5 hash:
d3cc4ea7b21768be6d3bd7206a18d4e3
SHA1 hash:
92446ebcdde5eb1626e2ddf90fb0b2d82b56ccab
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: | 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: | INDICATOR_SUSPICIOUS_EXE_ClearMyTracksByProcess |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables calling ClearMyTracksByProcess |
| 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_stackstrings |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | pe_detect_tls_callbacks |
|---|
| Rule name: | pe_no_import_table |
|---|---|
| Description: | Detect pe file that no import table |
| 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 |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
No further information available
BLint
The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.
Findings
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_NX | Missing Non-Executable Memory Protection | critical |
| CHECK_PIE | Missing Position-Independent Executable (PIE) Protection | high |
Reviews
| ID | Capabilities | Evidence |
|---|---|---|
| WIN32_PROCESS_API | Can Create Process and Threads | KERNEL32.dll::CloseHandle |
| WIN_BASE_API | Uses Win Base API | KERNEL32.dll::TerminateProcess KERNEL32.dll::GetStartupInfoA |
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