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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f803bafb2041916f177b065368c79ebce5e99c92fe1f4cf32b68c700aaba086. 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


Intelligence 14 IOCs 1 YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3f803bafb2041916f177b065368c79ebce5e99c92fe1f4cf32b68c700aaba086
SHA3-384 hash: 7ba80fc06b08f3b012b4f88b1546db4faf74586a9be26ef9a38930db2f640dd6adf99131931c09031ea2a81b503f7081
SHA1 hash: 7c0d91f3d3b03ea076368c432e69a98f3484e0d4
MD5 hash: 2dbf556ed086f024f533e22c30d45e89
humanhash: montana-lithium-double-zulu
File name:2dbf556ed086f024f533e22c30d45e89.exe
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:53'386'400 bytes
First seen:2026-11-02 08:45:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/vnd.microsoft.portable-executable
imphash 9be4f90f50c714bc00cc8beb2e137299 (19 x Formbook, 9 x RemcosRAT, 3 x ValleyRAT)
ssdeep 1572864:rKNTrcxVxhV0mOxHzOB7GHGqOTydSzgBVoDpnsBj+:OVW0lTHG5TydSzGeFn2+
TLSH T154C73353A5BE962DF121657AC14F93CCFEA1B82D587FB438D508BC082233392A76D54E
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
dhash icon 08d850d8d4d4d4d4 (2 x ValleyRAT, 1 x CobaltStrike)
Reporter abuse_ch
Tags:exe RAT signed ValleyRAT

Code Signing Certificate

Organisation:亚洲诚信代码签名测试证书
Issuer:TrustAsia Code Signing CA
Algorithm:sha1WithRSAEncryption
Valid from:2018-01-29T05:39:00Z
Valid to:2020-01-29T05:39:00Z
Serial number: 0a
Intelligence: 10 malware samples on MalwareBazaar are signed with this code signing certificate
Cert Graveyard Blocklist:This certificate is on the Cert Graveyard blocklist
Thumbprint Algorithm:SHA256
Thumbprint: 751f92632d12af8972d20daec5409db521efd93013eca7769f39dd7a7f366b55
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform


Avatar
abuse_ch
ValleyRAT C2:
137.220.136.165:13579

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
137.220.136.165:13579 https://threatfox.abuse.ch/ioc/2009847/

Intelligence

File Origin
# of uploads :
1
# of downloads :
266
Origin country :
NL NL
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/57e1c53c-544d-4a51-8390-dd75482ac5c3/
Malware family:
n/a
ID:
1
File name:
exe
Verdict:
Malicious activity
Analysis date:
2026-11-02 09:05:34 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/924fb3b4-e329-4007-b558-e7de4e70dbf1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Clean
Score:
89.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6ae84dda38ccdea12c5688b2
Tags:
n/a
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% subdirectories
Creating synchronization primitives
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
active-directory adaptive-context anti-debug anti-vm anti-vm base64 CAB crypto evasive evasive expand expired-cert explorer explorer fingerprint fingerprint greyware installer installer keylogger large-file lolbin lolbin nsis packed ramnit reconnaissance reconnaissance regedit regedit regsvr32 rundll32 signed
Link:
https://www.filescan.io/uploads/6ae84dd48153fc18d3175d01/reports/8e03f3cc-aa5b-4725-960a-4720397c7092/overview
Verdict:
Malicious
Labled as:
Adware.Win64.BundleInstaller.vl
Link:
https://www.hybrid-analysis.com/sample/3f803bafb2041916f177b065368c79ebce5e99c92fe1f4cf32b68c700aaba086
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-10-29T06:59:00Z UTC
Last seen:
2026-11-04T04:22:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/3f803bafb2041916f177b065368c79ebce5e99c92fe1f4cf32b68c700aaba086/results?tab=lookup
Result
Threat name:
Mimikatz
Create hunting rule
Detection:
malicious
Classification:
troj.evad.rans.spyw
Score:
78 / 100
Link:
https://www.joesandbox.com/analysis/1996543
Signature
AI detected suspicious PE / MSI digital signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Contains functionality to inject code into remote processes
Creates processes via WMI
Detected unpacking (creates a PE file in dynamic memory)
Drops password protected ZIP file
Found direct / indirect Syscall (likely to bypass EDR)
Found evasive API chain (may stop execution after checking mutex)
Hides threads from debuggers
Installs new ROOT certificates
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Sample is not signed and drops a device driver
Sigma detected: Execution from Suspicious Folder
Sigma detected: Suspicious Program Location with Network Connections
Tries to detect sleep reduction / modifications
Tries to harvest and steal browser information (history, passwords, etc)
Unusual module load detection (module proxying)
Writes many files with high entropy
Yara detected AntiVM3
Yara detected Mimikatz
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1996543 Sample: h0j1VwkISt.exe Startdate: 02/11/2026 Architecture: WINDOWS Score: 78 114 updateleak.qihucdn.com.qh-cdn.com 2->114 116 updateleak.qihucdn.com.dl.360qhcdn.com 2->116 118 30 other IPs or domains 2->118 130 Malicious sample detected (through community Yara rule) 2->130 132 Antivirus / Scanner detection for submitted sample 2->132 134 Multi AV Scanner detection for submitted file 2->134 136 11 other signatures 2->136 10 360zipUpdate.exe 2->10         started        12 h0j1VwkISt.exe 9 1003 2->12         started        16 svchost.exe 2->16         started        18 9 other processes 2->18 signatures3 process4 file5 20 360zip.exe 10->20         started        78 C:\Users\user\AppData\...\VC_redist.x64.exe, PE32 12->78 dropped 80 C:\Users\user\AppData\...\Uninst000.exe, PE32 12->80 dropped 82 C:\Users\user\AppData\...\resources.zip, Zip 12->82 dropped 84 4 other files (none is malicious) 12->84 dropped 152 Detected unpacking (creates a PE file in dynamic memory) 12->152 154 Writes many files with high entropy 12->154 156 Creates processes via WMI 12->156 158 Found direct / indirect Syscall (likely to bypass EDR) 12->158 22 Uninst000.exe 27 407 12->22         started        27 Apex.exe 12->27         started        29 MpCmdRun.exe 1 16->29         started        31 360zip.exe 18->31         started        signatures6 process7 dnsIp8 33 360zipUpdate.exe 20->33         started        124 s.f.qh-lb.com 36.99.172.119, 49710, 80 CHINANET-HENAN-LUOYANG-IDCHenanLuoyangIDCCN China 22->124 126 1.192.137.3, 49711, 49713, 49714 CHINANET-BACKBONENo31Jin-rongStreetCN China 22->126 70 C:\...\LiveUpdate360.exe (copy), PE32 22->70 dropped 72 C:\...\360zipUpdate.exe (copy), PE32 22->72 dropped 74 C:\Users\user\AppData\...\fileassocx.dat, data 22->74 dropped 76 192 other files (2 malicious) 22->76 dropped 146 Writes many files with high entropy 22->146 38 360zip.exe 22->38         started        40 regsvr32.exe 22->40         started        128 137.220.136.165, 13579, 16443 BGPNETPTELTD-AS-APBGPNETPTELTDSG Hong Kong SAR China 27->128 148 Contains functionality to inject code into remote processes 27->148 150 Unusual module load detection (module proxying) 27->150 42 conhost.exe 29->42         started        file9 signatures10 process11 dnsIp12 104 inf.safe.360.cn 101.91.111.143, 49723, 80 CHINANET-SHANGHAI-MANChinaTelecomGroupCN China 33->104 106 locini.gslb.360safe.com 220.181.150.177, 49724, 80 CHINANET-IDC-BJ-APIDCChinaTelecommunicationsCorporationCN China 33->106 112 8 other IPs or domains 33->112 62 C:\Users\user\AppData\...\360hips.exe (copy), PE32 33->62 dropped 64 C:\Users\user\AppData\Roaming\...\360hips.exe, PE32 33->64 dropped 138 Hides threads from debuggers 33->138 44 360hips.exe 33->44         started        48 LiveUpdate360.exe 33->48         started        108 conf.wsm.360.cn 104.192.110.254, 49717, 80 QIHOOBeijingQihuTechnologyCompanyLimitedCN United States 38->108 110 grow.safe.360.cn 101.198.3.25, 443, 49716 CHINANET-IDC-BJ-APIDCChinaTelecommunicationsCorporationCN China 38->110 file13 signatures14 process15 dnsIp16 86 C:\...\QutmloadInstall.exe, PE32 44->86 dropped 88 C:\Program Files (x86)\360\...\360tray.exe, PE32 44->88 dropped 90 C:\...\360AntiHijack_win10.sys, PE32 44->90 dropped 96 192 other files (31 malicious) 44->96 dropped 160 Sample is not signed and drops a device driver 44->160 162 Writes many files with high entropy 44->162 51 360tray.exe 44->51         started        56 QutmloadInstall.exe 44->56         started        58 PowerSaver.exe 44->58         started        60 2 other processes 44->60 98 192.168.2.4, 13579, 16443, 443 unknown unknown 48->98 100 updateleak.qihucdn.com.dl.360qhcdn.com 104.192.108.19, 49728, 80 QIHOOBeijingQihuTechnologyCompanyLimitedCN United States 48->100 102 4 other IPs or domains 48->102 92 C:\Users\user\AppData\...\~B417.cab.P2P, Microsoft 48->92 dropped 94 C:\Users\user\AppData\...\~B417.cab (copy), Microsoft 48->94 dropped file17 signatures18 process19 dnsIp20 120 c.s.360.cn.webcdn.360qhcdn.com 101.198.192.7 QIHOOBeijingQihuTechnologyCompanyLimitedCN China 51->120 122 180.153.233.12 CHINANET-SHANGHAI-MANChinaTelecomGroupCN China 51->122 66 C:\Windows\System32\...\360AntiHijack64.sys, PE32+ 51->66 dropped 140 Tries to harvest and steal browser information (history, passwords, etc) 51->140 142 Sample is not signed and drops a device driver 51->142 68 C:\Windows\System32\drivers\360FsFlt.sys, PE32+ 56->68 dropped 144 Installs new ROOT certificates 58->144 file21 signatures22
Score:
39%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/3f803bafb2041916f177b065368c79ebce5e99c92fe1f4cf32b68c700aaba086
Gathering data
Threat name:
Win64.Malware.Yogi
Create hunting rule
Status:
Malicious
First seen:
2026-10-28 16:08:55 UTC
File Type:
PE+ (Exe)
Extracted files:
11
AV detection:
15 of 36 (41.67%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=h6adxl5saqmrn4lxwbstnddz5phf5gojf7q7jtzsw2ghacvlucda._file
Result
Malware family:
valleyrat_s2
Create hunting rule
Score:
  10/10
Tags:
family:valleyrat_s2 backdoor bootkit defense_evasion discovery execution persistence
Link:
https://tria.ge/reports/261102-kpe47a11et/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Direct Volume Access: Opens a physical disk for reading
Enumerates physical storage devices
Reads the TCP/IP host and domain name from the registry
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Checks installed software on the system
Writes to the Master Boot Record (MBR)
Executes dropped EXE
Loads dropped DLL
Family: ValleyRat
Malware Config
C2 Extraction:
137.220.136.165:13579
137.220.136.165:16443
137.220.136.165:17888
Malware Family:
yogi
Create hunting rule
Malicious:
True
Tags:
signed 64bits spreader invalid-signature overlay
Link:
https://intel.virussign.com/intelligence/file/3f803bafb2041916f177b065368c79ebce5e99c92fe1f4cf32b68c700aaba086
Malware family:
ValleyRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3f803bafb204/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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:Detect_NSIS_Nullsoft_Installer
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects NSIS installers by .ndata section + NSIS header string
Rule name:exploit_any_poppopret
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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:Win_Clipboard_Clipper_Thengavar
Create hunting rule
Author:Thengavar
Description:Detects malware manipulating the Windows clipboard for clipping or crypto stealing attacks

File information

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

Comments