MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fefa640efcb181ede0f59c963719648d0904be2d2e45d9c9ef7d381e50592cea. 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: 16


Intelligence 16 IOCs 1 YARA 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fefa640efcb181ede0f59c963719648d0904be2d2e45d9c9ef7d381e50592cea
SHA3-384 hash: 25b33c24504abb7cf83122d19d3b50c5951294882ef32632fb88cc40c1318fd48d36e5a99d5ea67265eea7cdec6547e7
SHA1 hash: 22dd462d9fe3d5115a3e4370348ab522223ee056
MD5 hash: 01c1236de16e60511c72be0280af60a4
humanhash: freddie-table-uncle-lithium
File name:01c1236de16e60511c72be0280af60a4.exe
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:12'742'966 bytes
First seen:2025-11-07 17:40:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 20d446c1cb128febd23deb17efb67cf6 (11 x BlankGrabber, 8 x ValleyRAT, 5 x CrealStealer)
ssdeep 196608:18xc9VjA1HeT39Iig7auDXURuAGCTMQ4qRyyLDWLrtuwGKE5MCNfdq:GxcO1+TtIinuARuAWQ4qzLavIhKEeKk
Threatray 435 similar samples on MalwareBazaar
TLSH T187D6221552E208E0E9D5DF3BC95181F9A373AF558260877A537C3DF2FA32B9F0829642
TrID 64.5% (.EXE) InstallShield setup (43053/19/16)
15.7% (.EXE) Win64 Executable (generic) (10522/11/4)
7.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
3.0% (.ICL) Windows Icons Library (generic) (2059/9)
3.0% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter abuse_ch
Tags:exe RAT ValleyRAT


Avatar
abuse_ch
ValleyRAT C2:
108.187.7.143:447

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
108.187.7.143:447 https://threatfox.abuse.ch/ioc/1636023/

Intelligence

File Origin
# of uploads :
1
# of downloads :
124
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
_fefa640efcb181ede0f59c963719648d0904be2d2e45d9c9ef7d381e50592cea.exe
Verdict:
Suspicious activity
Analysis date:
2025-11-07 17:41:52 UTC
Tags:
python upx
Link:
https://app.any.run/tasks/99ea40c7-79db-4666-9a9b-625822d402a2

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/36467/
Detection(s):
SecuriteInfo.com.Python.Muldrop.16.11744.12413.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=690e2f1330bacec888c976d7
Tags:
installer emotet extens virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Restart of the analyzed sample
Creating a file
Creating a process from a recently created file
Connection attempt
Sending a custom TCP request
Сreating synchronization primitives
Launching a process
Creating a window
Searching for synchronization primitives
Loading a suspicious library
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug anti-vm compiled-script evasive expand installer-heuristic lolbin microsoft_visual_cc mikey overlay overlay packed packed packed packed pyinstaller pyinstaller python rozena
Link:
https://www.filescan.io/uploads/690e2f0d2b74ec26eb6b0538/reports/41bbe592-355d-4c29-99d7-bdbbae9e5beb/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/fefa640efcb181ede0f59c963719648d0904be2d2e45d9c9ef7d381e50592cea
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-11-03T16:50:00Z UTC
Last seen:
2025-11-09T12:01:00Z UTC
Hits:
~10
Detections:
Backdoor.Xkcp.TCP.ServerRequest Backdoor.Agent.TCP.C&C HEUR:Trojan-Downloader.Win32.Sheloader.gen Backdoor.Win32.Xkcp.bgp Backdoor.Win32.Xkcp.bgo Trojan-Spy.Win64.Agent.sb Trojan.Win64.Kryplod.sb Backdoor.Win32.Xkcp.a HEUR:Trojan-Downloader.Win64.Agent.gen HEUR:Trojan.Win32.Agent.gen Trojan.Win32.Dedok.sb
Link:
https://opentip.kaspersky.com/fefa640efcb181ede0f59c963719648d0904be2d2e45d9c9ef7d381e50592cea/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/5a2184d3-eb4d-486d-b553-2a6b1f60c232
Result
Threat name:
ValleyRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1810117
Signature
Contains functionality to capture and log keystrokes
Contains functionality to inject code into remote processes
Contains functionality to inject threads in other processes
Found API chain indicative of debugger detection
Found direct / indirect Syscall (likely to bypass EDR)
Found evasive API chain (may stop execution after checking mutex)
Found pyInstaller with non standard icon
Found stalling execution ending in API Sleep call
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Yara detected ValleyRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1810117 Sample: TzXSOxBLtm.exe Startdate: 07/11/2025 Architecture: WINDOWS Score: 100 83 us1.roaming1.live.com.akadns.net 2->83 85 shed.dual-low.part-0012.t-0009.t-msedge.net 2->85 87 10 other IPs or domains 2->87 97 Suricata IDS alerts for network traffic 2->97 99 Multi AV Scanner detection for submitted file 2->99 101 Yara detected ValleyRAT 2->101 11 TzXSOxBLtm.exe 53 2->11         started        15 mIrwG.exe 2->15         started        17 mIrwG.exe 2->17         started        19 2 other processes 2->19 signatures3 process4 file5 69 C:\Users\user\AppData\...\unicodedata.pyd, PE32+ 11->69 dropped 71 C:\Users\user\AppData\Local\...\ucrtbase.dll, PE32+ 11->71 dropped 73 C:\Users\user\AppData\Local\...\select.pyd, PE32+ 11->73 dropped 75 48 other files (none is malicious) 11->75 dropped 111 Found pyInstaller with non standard icon 11->111 21 TzXSOxBLtm.exe 7 9 11->21         started        24 conhost.exe 15->24         started        26 conhost.exe 17->26         started        28 conhost.exe 19->28         started        30 conhost.exe 19->30         started        signatures6 process7 file8 61 C:\Users\user\AppData\...\HONGYANG_642.exe, PE32+ 21->61 dropped 63 C:\Users\user\AppData\...\HONGYANG_641.exe, PE32+ 21->63 dropped 65 C:\Users\user\AppData\Local\Temp\...\7z.exe, PE32+ 21->65 dropped 67 C:\Users\user\AppData\Local\Temp\...\7z.dll, PE32+ 21->67 dropped 32 HONGYANG_641.exe 10 1 21->32         started        36 HONGYANG_642.exe 6 21->36         started        39 POWERPNT.EXE 233 62 21->39         started        41 2 other processes 21->41 process9 dnsIp10 77 108.187.7.143, 447, 448, 49719 LEASEWEB-USA-LAX-11US United States 32->77 89 Multi AV Scanner detection for dropped file 32->89 91 Found evasive API chain (may stop execution after checking mutex) 32->91 93 Found stalling execution ending in API Sleep call 32->93 95 4 other signatures 32->95 57 C:\Users\user\AppData\Roaming\...\mIrwG.exe, PE32+ 36->57 dropped 59 C:\Users\user\AppData\Roaming\...\WUBsrxF.exe, PE32+ 36->59 dropped 43 WUBsrxF.exe 36->43         started        46 conhost.exe 36->46         started        79 part-0012.t-0009.t-msedge.net 13.107.213.40, 443, 49727, 49733 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 39->79 81 mira-ofc.tm-4.office.com 52.110.2.146, 443, 49723 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 39->81 48 ai.exe 39->48         started        50 conhost.exe 41->50         started        file11 signatures12 process13 signatures14 105 Multi AV Scanner detection for dropped file 43->105 107 Found evasive API chain (may stop execution after checking mutex) 43->107 109 Found API chain indicative of debugger detection 43->109 52 mIrwG.exe 43->52         started        process15 signatures16 103 Multi AV Scanner detection for dropped file 52->103 55 conhost.exe 52->55         started        process17
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/fefa640efcb181ede0f59c963719648d0904be2d2e45d9c9ef7d381e50592cea
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/01c1236de16e60511c72be0280af60a4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fefa640efcb181ede0f59c963719648d0904be2d2e45d9c9ef7d381e50592cea/
Verdict:
Malicious
Threat:
Backdoor.Win32.Xkcp
Link:
https://tip.neiki.dev/file/fefa640efcb181ede0f59c963719648d0904be2d2e45d9c9ef7d381e50592cea
Threat name:
Win64.Trojan.Yomal
Create hunting rule
Status:
Malicious
First seen:
2025-11-04 01:28:53 UTC
File Type:
PE+ (Exe)
Extracted files:
236
AV detection:
18 of 36 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=735gidx4wga63yhvtsldoglerueqjprnfzc5tspppu4b4uczftva._file
Verdict:
malicious
Label(s):
valleyrat
Create hunting rule
Similar samples:
0fd89ce387e49307a31dbf3e21b5833d71ff88b54079a87370ce620d6071ea9a
ValleyRAT
37d27fc9336fd3f8cfe7aa2250f00e4e61320aef8a39542c8eb79a853150e692
ValleyRAT
4770597491c90a78bb6915362e19c5feb822ef0386f35cbddf37dd9673bf1396
ValleyRAT
767829ce973d5fc84ba89fc041e49b954e902ad63bac4ea28ced107ccb8182c5
ValleyRAT
c65b94204e8e7f2c9a85cba08db28449a8e7e91702856380ade9fa7b9f63bf4d
ValleyRAT
error
ValleyRAT
+ 425 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
pyinstaller ransomware upx
Link:
https://tria.ge/reports/251107-v831gatndq/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies registry class
Opens file in notepad (likely ransom note)
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
UPX packed file
Enumerates connected drives
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Verdict:
Malicious
Tags:
ProcessKiller
YARA:
n/a
Link:
https://app.threat.zone/submission/73029ad3-5991-494c-ad02-380228043b56
Unpacked files
SH256 hash:
fefa640efcb181ede0f59c963719648d0904be2d2e45d9c9ef7d381e50592cea
MD5 hash:
01c1236de16e60511c72be0280af60a4
SHA1 hash:
22dd462d9fe3d5115a3e4370348ab522223ee056
Link:
https://www.unpac.me/results/553804bf-f910-4aeb-8753-38e18ffa43f1/
SH256 hash:
048d4c5a51e45777ba15facdaddbf7702594a2268e8de1768ab0f5f4e4d7e733
MD5 hash:
05f2140c1a8a139f2e9866aa2c3166f1
SHA1 hash:
9170cff11f3b91f552ac09a186a3bae7ea7cda25
Link:
https://www.unpac.me/results/553804bf-f910-4aeb-8753-38e18ffa43f1/
SH256 hash:
7b8a3712cfe4cf1ff8cec195cc8db78d51f628ed4ecd695e2678d70ab1be5052
MD5 hash:
a3f735b6d1d48e602d4ef39e7192a84a
SHA1 hash:
7eb5928e4d8f53737cf94eb96cfb4bdf81cee8c5
Link:
https://www.unpac.me/results/553804bf-f910-4aeb-8753-38e18ffa43f1/
SH256 hash:
882063948d675ee41b5ae68db3e84879350ec81cf88d15b9babf2fa08e332863
MD5 hash:
c4aabd70dc28c9516809b775a30fdd3f
SHA1 hash:
43804fa264bf00ece1ee23468c309bc1be7c66de
Link:
https://www.unpac.me/results/553804bf-f910-4aeb-8753-38e18ffa43f1/
SH256 hash:
e2ca3ec168ae9c0b4115cd4fe220145ea9b2dc4b6fc79d765e91f415b34d00de
MD5 hash:
b6d5860f368b28caa9dd14a51666a5cd
SHA1 hash:
db96d4b476005a684f4a10480c722b3d89dde8a5
Link:
https://www.unpac.me/results/553804bf-f910-4aeb-8753-38e18ffa43f1/
Malware family:
ValleyRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/fefa640efcb1/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/fefa640efcb181ede0f59c963719648d0904be2d2e45d9c9ef7d381e50592cea

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: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:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Detect_PyInstaller
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects PyInstaller compiled executables across platforms
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
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: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:pe_detect_tls_callbacks
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:PyInstaller
Create hunting rule
Author:@bartblaze
Description:Identifies executable converted using PyInstaller. This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:upxHook
Create hunting rule
Author:@r3dbU7z
Description:Detect artifacts from 'upxHook' - modification of UPX packer
Reference:https://bazaar.abuse.ch/sample/6352be8aa5d8063673aa428c3807228c40505004320232a23d99ebd9ef48478a/
Rule name:Windows_Generic_Threat_3055c14a
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/36467/

Comments