MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 958cf7e879ff5a52e365859b81d2ac1f4b198e05e873b438f147dd5975ed77e1. 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: 12

Intelligence 12 IOCs 1 YARA 13 File information Comments

SHA256 hash:	958cf7e879ff5a52e365859b81d2ac1f4b198e05e873b438f147dd5975ed77e1
SHA3-384 hash:	5810de17b98f734243399be5b989d1498283ff61adcb9349103d381326492aa19cbfae120e16f836ddb4adc2fd6e8763
SHA1 hash:	c8eaa68324cf39d681af0fb60e0dc92d310c2f80
MD5 hash:	1b8128ca311379eff8a70c9e3cf8e766
humanhash:	mexico-leopard-solar-eighteen
File name:	1B8128CA311379EFF8A70C9E3CF8E766.dll
Download:	download sample
Signature	ValleyRAT Create hunting rule
File size:	333'824 bytes
First seen:	2026-08-16 17:05:26 UTC
Last seen:	Never
File type:	dll
MIME type:	application/x-dosexec
imphash	e39ddfd958ba9a668dfaf494cb1afb53 (1 x ValleyRAT)
ssdeep	6144:J9ycm+gGZsU4d0gLqiX9wh3h9Sna/MZdwZUUuoDgBz:JXzZsU4d0gLqiBld2URoWz
TLSH	T1CF647D01B481D136E6AE0930B875DBBB497DB8701BE2E5CFA3D40DEE4D216C1A73875A
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	abuse_ch
Tags:	dll RAT ValleyRAT

abuse_ch

ValleyRAT C2:
103.199.102.27:446

Indicators Of Compromise (IOCs)

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

IOC	ThreatFox Reference
103.199.102.27:446	https://threatfox.abuse.ch/ioc/1877287/

Intelligence

File Origin

# of uploads :

# of downloads :

131

Origin country :

Vendor Threat Intelligence

No detections

Detection:

WinosStager

Link:

https://www.capesandbox.com/analysis/81455/

Detection(s):

SecuriteInfo.com.Variant.Tedy.791066.65961468.UNOFFICIAL

Verdict:

Malicious

Score:

92.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6ac295848679a84b4e987f8c

Tags:

emotet

Result

Verdict:

Clean

Maliciousness:

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

adaptive-context anti-debug anti-vm crypto fingerprint hacktool microsoft_visual_cc packed reconnaissance

Link:

https://www.filescan.io/uploads/6a81ee04860d62884df2588a/reports/60f487bc-45e0-42b0-b15f-12d59f55b40c/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/958cf7e879ff5a52e365859b81d2ac1f4b198e05e873b438f147dd5975ed77e1

Verdict:

Malicious

File Type:

dll x32

First seen:

2026-08-14T08:44:00Z UTC

Last seen:

2026-08-16T15:48:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/958cf7e879ff5a52e365859b81d2ac1f4b198e05e873b438f147dd5975ed77e1/results?tab=lookup

Verdict:

Suspicious

Link:

https://analyze.intezer.com/analyses/e9c8fc7e-17fa-46a8-a1fb-8671b293c31e

Result

Threat name:

ValleyRAT

Detection:

malicious

Classification:

troj.evad

Score:

80 / 100

Link:

https://www.joesandbox.com/analysis/1958676

Signature

C2 URLs / IPs found in malware configuration

Contains functionality to inject code into remote processes

Contains functionality to inject threads in other processes

Found evasive API chain (may stop execution after checking mutex)

Found malware configuration

Multi AV Scanner detection for submitted file

Yara detected ValleyRAT

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/958cf7e879ff5a52e365859b81d2ac1f4b198e05e873b438f147dd5975ed77e1

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/1b8128ca311379eff8a70c9e3cf8e766

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/958cf7e879ff5a52e365859b81d2ac1f4b198e05e873b438f147dd5975ed77e1/

Threat name:

Win32.Trojan.Egairtigado

Status:

Malicious

First seen:

2026-08-14 16:35:13 UTC

File Type:

PE (Dll)

AV detection:

18 of 24 (75.00%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=swgpp2dz75nffy3fqwnyduvmd5frtdqf5bz3iohri7ovs5pno7qq._file

Verdict:

malicious

Label(s):

ValleyRAT

Link:

https://reports.threatray.com/f5f9db60-2bb8-4828-95b8-16f1943e72ed

Result

Malware family:

n/a

Score:

3/10

Tags:

discovery

Link:

https://tria.ge/reports/260816-vmf9kssenb/

Behaviour

Suspicious use of WriteProcessMemory

System Location Discovery: System Language Discovery

Unpacked files

SH256 hash:

958cf7e879ff5a52e365859b81d2ac1f4b198e05e873b438f147dd5975ed77e1

MD5 hash:

1b8128ca311379eff8a70c9e3cf8e766

SHA1 hash:

c8eaa68324cf39d681af0fb60e0dc92d310c2f80

Detections:

triage_winos_rat_plugin_manager

Link:

https://www.unpac.me/results/cc0ece3f-9232-47f8-8ba7-3393488428e2/

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:	cobalt_strike_tmp01925d3f Create hunting rule
Author:	The DFIR Report
Description:	files - file ~tmp01925d3f.exe
Reference:	https://thedfirreport.com

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:	MD5_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for MD5 constants

Rule name:	pe_detect_tls_callbacks Create hunting rule

Rule name:	telebot_framework Create hunting rule
Author:	vietdx.mb

Rule name:	ThreadControl__Context Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

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:	VECT_Ransomware Create hunting rule
Author:	Mustafa Bakhit
Description:	Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.

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

https://www.capesandbox.com/analysis/81455/

Comments

Login required

You need to login to in order to write a comment. Login with your abuse.ch account.

No comments found for this malware sample