MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6ab5299316714d117c464d4707d5dfc33a8bf0aa0488b0ee240d2d152e96bf6f. 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: 9


Intelligence 9 IOCs YARA 23 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6ab5299316714d117c464d4707d5dfc33a8bf0aa0488b0ee240d2d152e96bf6f
SHA3-384 hash: 195584320d01407c60f048733e1f20d6950d96719c1331630e73c288c0ab75e4613d19a81f3d7b7c4c7e28293e80e5ab
SHA1 hash: e6289d2f019ec811e4735ac2e7f1f10c02e5a4a2
MD5 hash: 6682fa03762e214e48b3685a975cf11e
humanhash: hot-zebra-echo-lima
File name:a_instapp83356013.exe
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:73'556'992 bytes
First seen:2026-06-12 19:51:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash a5396d0e3a0b90f35cda230c0314ce27 (7 x ValleyRAT)
ssdeep 98304:APEqhFI6q65OY/Y8oDmkZOWBMaEj4cEX3fpuGtT4Z0UT6F86c910T12W1:FqhTcKyhBMHjKXcU/+9C
TLSH T1CCF7C74A7B00D989E4279234A0979F50F336ED719B71932323753F586EFA35DCEA2098
TrID 68.6% (.EXE) InstallShield setup (43053/19/16)
10.4% (.EXE) Win64 Executable (generic) (6522/11/2)
8.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
3.2% (.ICL) Windows Icons Library (generic) (2059/9)
3.2% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
dhash icon 818da080a0a0a0a2 (137 x Heodo, 46 x Urelas, 28 x ValleyRAT)
Reporter Ling
Tags:exe SilverFox Trojan/SilverFox.bm[lddel] ValleyRAT


Avatar
CNGaoLing
Trojan/SilverFox.bm[lddel]
IOC (Domain wtkblq.com) (Domain bbyie2.oss-cn-beijing.aliyuncs.com) (Domain 26nn.oss-cn-hangzhou.aliyuncs.com)

Intelligence

File Origin
# of uploads :
1
# of downloads :
149
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
exe
Verdict:
No threats detected
Analysis date:
2026-06-12 19:54:57 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/48ec2a49-10fd-4955-ac2a-fe4720c86723

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a2c6395a15110463ee52074
Tags:
shellcode cobalt small blic
Result
Verdict:
Clean
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug anti-vm fingerprint installer-heuristic keylogger microsoft_visual_cc
Link:
https://www.filescan.io/uploads/6a2c63851f652d68657bc874/reports/e6da0cb9-f583-4831-8fa1-2a3fb507cede/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/6ab5299316714d117c464d4707d5dfc33a8bf0aa0488b0ee240d2d152e96bf6f
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-06-12T16:57:00Z UTC
Last seen:
2026-06-12T16:58:00Z UTC
Hits:
~10
Detections:
Trojan.Agent.HTTP.C&C HackTool.Multi.AmsiETWPatch.sb Trojan.Win32.Agent.sba
Link:
https://opentip.kaspersky.com/6ab5299316714d117c464d4707d5dfc33a8bf0aa0488b0ee240d2d152e96bf6f/results?tab=lookup
Score:
88%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/6ab5299316714d117c464d4707d5dfc33a8bf0aa0488b0ee240d2d152e96bf6f
Gathering data
Threat name:
Win64.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-06-12 19:52:55 UTC
File Type:
PE+ (Exe)
Extracted files:
33
AV detection:
13 of 36 (36.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nk2steywofgrc7cgjvdqpvo7ym5ix4fkaselb3rebuwrkluwx5xq._file
Result
Malware family:
n/a
Score:
  10/10
Tags:
defense_evasion discovery execution persistence trojan
Link:
https://tria.ge/reports/260612-ylqcmsdt2m/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in System32 directory
Adds Run key to start application
Indicator Removal: Clear Persistence
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Modifies file permissions
Windows security bypass
Malware family:
CobaltStrike
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6ab529931671/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:BLOWFISH_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:Borland
Create hunting rule
Author:malware-lu
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:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:Detect_all_IPv6_variants
Create hunting rule
Author:Bierchermuesli
Description:Generic IPv6 catcher
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:GoBinTest
Create hunting rule
Rule name:golang
Create hunting rule
Rule name:golang_binary_string
Create hunting rule
Description:Golang strings present
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:grakate_stealer_nov_2021
Create hunting rule
Rule name:identity_golang
Create hunting rule
Author:Eric Yocam
Description:find Golang malware
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:ProgramLanguage_Golang
Create hunting rule
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:Rooter
Create hunting rule
Author:Seth Hardy
Description:Rooter
Rule name:RooterStrings
Create hunting rule
Author:Seth Hardy
Description:Rooter Identifying Strings
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:telebot_framework
Create hunting rule
Author:vietdx.mb
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques
Rule name:WHIRLPOOL_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for WhirlPool constants

File information

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

Web download

ValleyRAT

Executable exe 6ab5299316714d117c464d4707d5dfc33a8bf0aa0488b0ee240d2d152e96bf6f

(this sample)

  
Delivery method
Distributed via web download

Comments