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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7c1ab2209ed95a0a98fb5c23e007b3bf3e8a7e7f8424a5cf5ff3331dac6ae4d7. 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: 10


Intelligence 10 IOCs YARA 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7c1ab2209ed95a0a98fb5c23e007b3bf3e8a7e7f8424a5cf5ff3331dac6ae4d7
SHA3-384 hash: 51afcdf50d00a9ecde67c22c5c7197e7d5a078ee8bcd9217638fd77296bff23a5306febd699346450098b7a9f98ead50
SHA1 hash: 83d6eba7a7f6cf5386be61a1aa67ccbb5d2a3198
MD5 hash: c056b0db5b3c2c7c7b1a3f7e71fa0e3a
humanhash: twenty-winter-magazine-lemon
File name:PDFCORE8.dll
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:3'574'272 bytes
First seen:2026-09-18 11:10:29 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash 86e6fc3f0d91f50173df794cc1349463 (1 x ValleyRAT)
ssdeep 98304:Ojrm+RpaivYWX78aMXa3UxSODUUZn98L48lhnjk:srdaBWX7BUxSODUUZO
TLSH T133F5C031B998007BDD6B12705A0BB3ADF1FD727819F58863F294C62C2D7AC8285195EF
TrID 29.5% (.EXE) Win64 Executable (generic) (6522/11/2)
22.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
20.3% (.EXE) Win32 Executable (generic) (4504/4/1)
9.1% (.EXE) OS/2 Executable (generic) (2029/13)
9.0% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter smica83
Tags:dll ValleyRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
166
Origin country :
HU HU
Vendor Threat Intelligence
No detections
Detection:
WinosStager
Create hunting rule
Link:
https://www.capesandbox.com/analysis/86539/
Result
Verdict:
Clean
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug cmd crypto explorer fingerprint keylogger lolbin microsoft_visual_cc onedrivestandaloneupdater packed reconnaissance
Link:
https://www.filescan.io/uploads/6aad1c52f7e23a3281aa10c4/reports/3dcae6b6-a4d4-4f5a-8c71-1dd429f050ad/overview
Verdict:
Malicious
Labled as:
Valley.Generic
Link:
https://www.hybrid-analysis.com/sample/7c1ab2209ed95a0a98fb5c23e007b3bf3e8a7e7f8424a5cf5ff3331dac6ae4d7
Verdict:
Malicious
File Type:
dll x32
First seen:
2026-07-15T16:51:00Z UTC
Last seen:
2026-09-18T03:16:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/7c1ab2209ed95a0a98fb5c23e007b3bf3e8a7e7f8424a5cf5ff3331dac6ae4d7/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2a3efa03-f948-4fc5-94e9-248ea21724be
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1974708
Signature
Antivirus / Scanner detection for submitted sample
Found stalling execution ending in API Sleep call
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1974708 Sample: PDFCORE8.dll Startdate: 18/09/2026 Architecture: WINDOWS Score: 64 45 Antivirus / Scanner detection for submitted sample 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 Joe Sandbox ML detected suspicious sample 2->49 8 loaddll32.exe 1 2->8         started        process3 process4 10 rundll32.exe 4 8->10         started        14 cmd.exe 1 8->14         started        16 rundll32.exe 4 8->16         started        18 30 other processes 8->18 file5 33 C:\ProgramData\...\CopilotUpdate.exe, PE32 10->33 dropped 51 Found stalling execution ending in API Sleep call 10->51 20 rundll32.exe 10->20         started        22 rundll32.exe 4 14->22         started        35 C:\ProgramData\...\CopilotUpdate.exe, PE32 16->35 dropped 25 rundll32.exe 16->25         started        37 C:\ProgramData\...\CopilotUpdate.exe, PE32 18->37 dropped 39 C:\ProgramData\...\CopilotUpdate.exe, PE32 18->39 dropped 41 C:\ProgramData\...\CopilotUpdate.exe, PE32 18->41 dropped 43 26 other files (none is malicious) 18->43 dropped 27 rundll32.exe 18->27         started        signatures6 process7 file8 31 C:\ProgramData\...\CopilotUpdate.exe, PE32 22->31 dropped 29 rundll32.exe 22->29         started        process9
Score:
86%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/7c1ab2209ed95a0a98fb5c23e007b3bf3e8a7e7f8424a5cf5ff3331dac6ae4d7
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 32 Exe x86
Link:
https://app.malva.re/file/c056b0db5b3c2c7c7b1a3f7e71fa0e3a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7c1ab2209ed95a0a98fb5c23e007b3bf3e8a7e7f8424a5cf5ff3331dac6ae4d7/
Threat name:
Win32.Trojan.ValleyRAT
Create hunting rule
Status:
Malicious
First seen:
2026-07-17 06:32:50 UTC
File Type:
PE (Dll)
Extracted files:
36
AV detection:
30 of 36 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pqnleie63fnavgh3lqr6ab5tx47iu7t7qqsklt276mzr3ldk4tlq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Link:
https://tria.ge/reports/260918-nac8tsvxhv/
Behaviour
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Checks computer location settings
Unpacked files
SH256 hash:
7c1ab2209ed95a0a98fb5c23e007b3bf3e8a7e7f8424a5cf5ff3331dac6ae4d7
MD5 hash:
c056b0db5b3c2c7c7b1a3f7e71fa0e3a
SHA1 hash:
83d6eba7a7f6cf5386be61a1aa67ccbb5d2a3198
Link:
https://www.unpac.me/results/75abd8da-1a53-43e8-b17c-eec86c5707bb/
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/7c1ab2209ed95a0a98fb5c23e007b3bf3e8a7e7f8424a5cf5ff3331dac6ae4d7

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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Gh0stKCP
Create hunting rule
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
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:telebot_framework
Create hunting rule
Author:vietdx.mb
Rule name:TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE
Create hunting rule
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/
Rule name:TH_Generic_MassHunt_Win_Malware_2025_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Windows malware mass-hunt rule - 2025
Reference:https://cyfare.net/
Rule name:WinosStager
Create hunting rule
Author:YungBinary
Description:https://www.esentire.com/blog/winos4-0-online-module-staging-component-used-in-cleversoar-campaign

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/86539/

Comments