MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4c993a15232b3a3f78261be4d01c24ded4df626ca571b2113482aa747fbda19c. 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: 17


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

SHA256 hash: 4c993a15232b3a3f78261be4d01c24ded4df626ca571b2113482aa747fbda19c
SHA3-384 hash: 58f21db313112a8cce414ce2e3bd05a0de80683d270c0b5da80d6f222e9a1ea4760715f93698a12fd9cbccbcb1cfeda9
SHA1 hash: c70e981b0f6e1f350b3f5ecdb74d7a8dabd86df3
MD5 hash: 475f3816eac696998d989fddd8299e7b
humanhash: winter-nebraska-king-nebraska
File name:4c993a15232b3a3f78261be4d01c24ded4df626ca571b.exe
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:8'760'320 bytes
First seen:2025-12-23 00:00:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash a6e88978190402037523e1eaa1add838 (1 x ValleyRAT)
ssdeep 196608:puXlYeEG9MKSHtj8X0FggtB9z7Q3ghWIdWd8xi9VXG:pilYybSxyU9z7Rba9
TLSH T1E496339F1CCFACDAC5B10170BB3B9BD7A3B6AE550995CC2D66C03445B1B5AA3302E6C4
TrID 30.2% (.EXE) Win64 Executable (generic) (10522/11/4)
18.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
14.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
12.9% (.EXE) Win32 Executable (generic) (4504/4/1)
5.9% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter abuse_ch
Tags:exe RAT ValleyRAT


Avatar
abuse_ch
ValleyRAT C2:
206.238.144.163:23051

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
206.238.144.163:23051 https://threatfox.abuse.ch/ioc/1684896/

Intelligence

File Origin
# of uploads :
1
# of downloads :
105
Origin country :
NL NL
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/1e9c3df6-99ed-4813-aabc-1097a2f663e2/
Malware family:
n/a
ID:
1
File name:
4c993a15232b3a3f78261be4d01c24ded4df626ca571b2113482aa747fbda19c.exe
Verdict:
No threats detected
Analysis date:
2025-12-22 23:43:44 UTC
Tags:
upx
Link:
https://app.any.run/tasks/4d1a6665-de98-4fb8-bb37-1217d15828e2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
WinosStager
Create hunting rule
Link:
https://www.capesandbox.com/analysis/45793/
Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6949d7af1f457957572387d3
Tags:
vmprotect virus
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
neshta obfuscated packed packed unsafe virus vmprotect
Link:
https://www.filescan.io/uploads/6949dbcc3f8fdbf8e94f47bd/reports/8f43f456-3924-4db0-a0ed-20182ed128a6/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/4c993a15232b3a3f78261be4d01c24ded4df626ca571b2113482aa747fbda19c
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-12-19T12:05:00Z UTC
Last seen:
2025-12-23T02:44:00Z UTC
Hits:
~10
Detections:
Backdoor.Win32.Xkcp.a Trojan-Spy.Win32.KeyLogger.sba Backdoor.Xkcp.TCP.ServerRequest Backdoor.Agent.TCP.C&C PDM:Trojan.Win32.Generic Trojan-Spy.Win32.Stealer.sb Trojan.Win32.DrvInst.gx Backdoor.Win32.Xkcp.bvd
Link:
https://opentip.kaspersky.com/4c993a15232b3a3f78261be4d01c24ded4df626ca571b2113482aa747fbda19c/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/1a114f9a-dc78-4538-8fac-c2e8cc5c75c0
Result
Threat name:
ValleyRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1837966
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Connects to many ports of the same IP (likely port scanning)
Drops executable to a common third party application directory
Found direct / indirect Syscall (likely to bypass EDR)
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
Sample is not signed and drops a device driver
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Unusual module load detection (module proxying)
Yara detected ValleyRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1837966 Sample: 4c993a15232b3a3f78261be4d01... Startdate: 23/12/2025 Architecture: WINDOWS Score: 100 73 Suricata IDS alerts for network traffic 2->73 75 Antivirus / Scanner detection for submitted sample 2->75 77 Multi AV Scanner detection for submitted file 2->77 79 3 other signatures 2->79 10 4c993a15232b3a3f78261be4d01c24ded4df626ca571b.exe 4 2->10         started        14 4c993a15232b3a3f78261be4d01c24ded4df626ca571b07527410.exe 1 2->14         started        process3 file4 55 4c993a15232b3a3f78...ded4df626ca571b.exe, PE32 10->55 dropped 57 4c993a15232b3a3f78...exe:Zone.Identifier, ASCII 10->57 dropped 93 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 10->93 95 Drops executable to a common third party application directory 10->95 97 Switches to a custom stack to bypass stack traces 10->97 99 Found direct / indirect Syscall (likely to bypass EDR) 10->99 16 cmd.exe 1 10->16         started        18 conhost.exe 10->18         started        20 conhost.exe 14->20         started        signatures5 process6 process7 22 4c993a15232b3a3f78261be4d01c24ded4df626ca571b.exe 1 4 16->22         started        file8 47 C:\ProgramData\Mozilla\DeConhost.exe, PE32+ 22->47 dropped 49 4c993a15232b3a3f78...6ca571b07527410.exe, PE32 22->49 dropped 51 4c993a15232b3a3f78...exe:Zone.Identifier, ASCII 22->51 dropped 81 Antivirus detection for dropped file 22->81 83 Multi AV Scanner detection for dropped file 22->83 85 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 22->85 87 3 other signatures 22->87 26 cmd.exe 1 22->26         started        28 cmd.exe 1 22->28         started        30 conhost.exe 22->30         started        signatures9 process10 process11 32 4c993a15232b3a3f78261be4d01c24ded4df626ca571b07527410.exe 10 2 26->32         started        36 DeConhost.exe 2 1 28->36         started        dnsIp12 59 206.238.144.163, 23051, 49727, 49728 COGENT-174US United States 32->59 61 Antivirus detection for dropped file 32->61 63 Multi AV Scanner detection for dropped file 32->63 65 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 32->65 71 3 other signatures 32->71 39 DeConhost.exe 1 32->39         started        43 conhost.exe 32->43         started        45 C:\ProgramData\Mozilla\CookiesDrvJG5QO.sys, PE32+ 36->45 dropped 67 Sample is not signed and drops a device driver 36->67 69 Drops executable to a common third party application directory 36->69 file13 signatures14 process15 file16 53 C:\ProgramData\Mozilla\CookiesDrv85ZU8.sys, PE32+ 39->53 dropped 89 Sample is not signed and drops a device driver 39->89 91 Drops executable to a common third party application directory 39->91 signatures17
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4c993a15232b3a3f78261be4d01c24ded4df626ca571b2113482aa747fbda19c
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 32 Exe x86
Link:
https://app.malva.re/file/475f3816eac696998d989fddd8299e7b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4c993a15232b3a3f78261be4d01c24ded4df626ca571b2113482aa747fbda19c/
Verdict:
Malicious
Threat:
Family.VALLEYRAT_S2
Link:
https://tip.neiki.dev/file/4c993a15232b3a3f78261be4d01c24ded4df626ca571b2113482aa747fbda19c
Threat name:
Win32.Trojan.Etset
Create hunting rule
Status:
Malicious
First seen:
2025-12-19 17:09:53 UTC
File Type:
PE (Exe)
Extracted files:
35
AV detection:
17 of 36 (47.22%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jsmtufjdfm5d66bgdpsnahbe33kn6ytmuvy3eejuqkvhi755ugoa._file
Verdict:
malicious
Label(s):
valleyrat
Create hunting rule
Similar samples:
error
ValleyRAT
Result
Malware family:
valleyrat_s2
Create hunting rule
Score:
  10/10
Tags:
family:valleyrat_s2 backdoor defense_evasion discovery upx
Link:
https://tria.ge/reports/251223-aam65syrhw/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
UPX packed file
Enumerates connected drives
Executes dropped EXE
Modify Registry: Disable Windows Driver Blocklist
ValleyRat
Valleyrat_s2 family
Malware Config
C2 Extraction:
206.238.144.163:23051
206.238.144.163:23052
Verdict:
Malicious
Tags:
ProcessKiller
YARA:
n/a
Link:
https://app.threat.zone/submission/3181deb5-6d9e-4b1f-997e-029b74e07e42
Unpacked files
SH256 hash:
4c993a15232b3a3f78261be4d01c24ded4df626ca571b2113482aa747fbda19c
MD5 hash:
475f3816eac696998d989fddd8299e7b
SHA1 hash:
c70e981b0f6e1f350b3f5ecdb74d7a8dabd86df3
Link:
https://www.unpac.me/results/6ca0f3a5-e9c9-43d9-8f4c-098cce6257a5/
SH256 hash:
1ffcc5b0e9b5615d579fce4d83c43e4187550c777e6e92649d420f8e637e97c8
MD5 hash:
c39fd397faa2f98c5536cdfe71934b32
SHA1 hash:
d468b2301da57341f9294673bb1ff691339b4724
Link:
https://www.unpac.me/results/6ca0f3a5-e9c9-43d9-8f4c-098cce6257a5/
Malware family:
Terminator.Spyboy
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4c993a15232b/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/4c993a15232b3a3f78261be4d01c24ded4df626ca571b2113482aa747fbda19c

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:command_and_control
Create hunting rule
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
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:GenericGh0st
Create hunting rule
Author:Still
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: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:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
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:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:upx_largefile
Create hunting rule
Author:k3nr9
Rule name:Windows_Generic_Threat_4b0b73ce
Create hunting rule
Author:Elastic Security
Rule name:win_valley_rat_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.valley_rat.

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/45793/

Comments