MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a84d2731983b2f9765bdc2048d1108aa69c7d926bbb57a6cea60de7d3002de1b. 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


Rubeus


Vendor detections: 12


Intelligence 12 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a84d2731983b2f9765bdc2048d1108aa69c7d926bbb57a6cea60de7d3002de1b
SHA3-384 hash: 49603018d9cfc098750aeea7f0d66634793f78870896b2c665148a79cf5cb3f5c418929dd43abb4e4b065ca9b2179b65
SHA1 hash: 8b4e7306a489827edf13be549ce5649abe15ade8
MD5 hash: 6b6ee63e1b57405281275a7bcfba6f91
humanhash: uranus-cardinal-floor-thirteen
File name:KrbRelayUp.exe
Download: download sample
Signature Rubeus
Create hunting rule
File size:1'112'576 bytes
First seen:2026-02-22 18:14:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'813 x AgentTesla, 19'736 x Formbook, 12'282 x SnakeKeylogger)
ssdeep 24576:/Ud4OjAlC+9nHLmX63wZSGBI/u0+eW81ATw89rgX6BCYICX:/mHsl99nrmXOFp/HJW8ilIC
Threatray 19 similar samples on MalwareBazaar
TLSH T19235D02437E88F1BE5AE0735F071151507F2F422A672E79F6A81D0AA2E83751ED10BB7
TrID 69.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.1% (.EXE) Win64 Executable (generic) (6522/11/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter juroots
Tags:exe Rubeus

Intelligence

File Origin
# of uploads :
1
# of downloads :
93
Origin country :
IL IL
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
_a84d2731983b2f9765bdc2048d1108aa69c7d926bbb57a6cea60de7d3002de1b.exe
Verdict:
No threats detected
Analysis date:
2026-02-22 19:12:58 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/ffbece80-373a-4147-b168-f7761b517281

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/54086/
Detection(s):
Win.Malware.Msilzilla-9955951-0
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=699b477f8fffa866e3b0b492
Tags:
riskware virus
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a file
DNS request
Connection attempt
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
base64 cmd lolbin obfuscated packed reconnaissance rubeus
Link:
https://www.filescan.io/uploads/699b477bcd25bfe1dfd7668c/reports/499e7ade-7de7-4723-b8a9-ebfebc127303/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/a84d2731983b2f9765bdc2048d1108aa69c7d926bbb57a6cea60de7d3002de1b
Verdict:
Adware
File Type:
exe x32
First seen:
2022-06-10T05:31:00Z UTC
Last seen:
2026-01-06T20:27:00Z UTC
Hits:
~100
Detections:
VHO:Trojan.MSIL.Exnet.gen HEUR:HackTool.MSIL.KrbRelay.gen
Link:
https://opentip.kaspersky.com/a84d2731983b2f9765bdc2048d1108aa69c7d926bbb57a6cea60de7d3002de1b/results?tab=lookup
Malware family:
Rubeus
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6cecdff8-882d-413e-b6fc-e7a14787aa80
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a84d2731983b2f9765bdc2048d1108aa69c7d926bbb57a6cea60de7d3002de1b
Verdict:
inconclusive
YARA:
9 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.35 Win 32 Exe x86
Link:
https://app.malva.re/file/6b6ee63e1b57405281275a7bcfba6f91
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a84d2731983b2f9765bdc2048d1108aa69c7d926bbb57a6cea60de7d3002de1b/
Verdict:
Malicious
Link:
https://tip.neiki.dev/file/a84d2731983b2f9765bdc2048d1108aa69c7d926bbb57a6cea60de7d3002de1b
Threat name:
Win32.Hacktool.KrbUpRly
Create hunting rule
Status:
Malicious
First seen:
2022-06-12 19:28:29 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
26 of 36 (72.22%)
Threat level:
  1/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vbgsommyhmxzozn5yici2eiivju4pwjgxo2xu3hkmdph2mac3ynq._file
Verdict:
malicious
Label(s):
rubeus
Create hunting rule
Similar samples:
40a4b5e54fecce52c9d8ef5b2fa3973a3dd748c5bcedd7bde1154aa4a936c2e1
Rubeus
84b24071b0229e189f03bc643027a63c582b02f6e96e82d730e12793cfcd9abb
Rubeus
a84d2731983b2f9765bdc2048d1108aa69c7d926bbb57a6cea60de7d3002de1b
Rubeus
error
Rubeus
+ 9 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/260222-wveldsc18c/
Unpacked files
SH256 hash:
a84d2731983b2f9765bdc2048d1108aa69c7d926bbb57a6cea60de7d3002de1b
MD5 hash:
6b6ee63e1b57405281275a7bcfba6f91
SHA1 hash:
8b4e7306a489827edf13be549ce5649abe15ade8
Link:
https://www.unpac.me/results/acd2ee56-f213-4af8-aa0c-92b126bbe5ed/
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/a84d2731983b2f9765bdc2048d1108aa69c7d926bbb57a6cea60de7d3002de1b

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__QueryInfo
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:INDICATOR_TOOL_KrbRelay
Create hunting rule
Author:ditekshen
Description:Detects KrbRelay
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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)

File information

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

Web download

Rubeus

Executable exe a84d2731983b2f9765bdc2048d1108aa69c7d926bbb57a6cea60de7d3002de1b

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/54086/
  
URLhaus
https://urlhaus.abuse.ch/url/3784018/
  
Delivery method
Distributed via web download

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