MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 820e9bde246981cf653616887b1b6a5fba61bacb3e1d8b30ca9f2c7af54a573d. 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


RemcosRAT


Vendor detections: 22


Intelligence 22 IOCs YARA 19 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 820e9bde246981cf653616887b1b6a5fba61bacb3e1d8b30ca9f2c7af54a573d
SHA3-384 hash: 89648176b034e12fccb3e2574bec999e2a2048588242e95da0d9bfce84aea35b1f0f300ba0c6339d4876dfa98af3919e
SHA1 hash: ac8afd71f5911fd3f62f386e247ecdcda3525afe
MD5 hash: fb5433a8523073d3c155b987d13c48e2
humanhash: skylark-neptune-delta-summer
File name:820e9bde246981cf653616887b1b6a5fba61bacb3e1d8b30ca9f2c7af54a573d
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:507'904 bytes
First seen:2025-12-03 07:21:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 78a3bdf3c5b9bd3972e77fa90dce8f2d (40 x RemcosRAT)
ssdeep 12288:WBqw1FSGa8qvS7yserVAqaReR9NsPZ9BmPFN:W4w1FSj8qRVAqaRlZSPF
Threatray 1'856 similar samples on MalwareBazaar
TLSH T170B4AF11F6C2C1B2E67614300529E7F5DEBDBD201835997BA3EA1D57FE30180DA39BA2
TrID 40.3% (.EXE) Win64 Executable (generic) (10522/11/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4504/4/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter JAMESWT_WT
Tags:exe RemcosRAT vuloinsioscollid-duckdns-org

Intelligence

File Origin
# of uploads :
1
# of downloads :
100
Origin country :
IT IT
Vendor Threat Intelligence
Malware configuration found for:
Remcos
Details
Remcos
a version number and verbose configuration settings
Link:
https://research.acce.ciphertechsolutions.com/results/47bf7ab6-0b19-4e76-b2bd-e185d0038eae/
Malware family:
remcos
Create hunting rule
ID:
1
File name:
820e9bde246981cf653616887b1b6a5fba61bacb3e1d8b30ca9f2c7af54a573d
Verdict:
Malicious activity
Analysis date:
2025-12-03 07:32:08 UTC
Tags:
rat remcos remote
Link:
https://app.any.run/tasks/2052a278-41ae-44b5-b3b3-b907018448be

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/42216/
Detection(s):
Win.Trojan.Remcos-9841897-0
Create hunting rule

Win.Trojan.Remcos-10002580-0
Create hunting rule

Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=692fe4ee16e6db515e462928
Tags:
downloader backdoor dropper
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Creating a file in the %temp% directory
Launching a process
Reading critical registry keys
Launching a service
Changing a file
Forced shutdown of a system process
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug cmd config-extracted crypto evasive exploit explorer fingerprint keylogger lolbin microsoft_visual_cc packed rat rat remcos remcos rundll32 windows zusy
Link:
https://www.filescan.io/uploads/692fe4ec37f663155c35d907/reports/8b87306c-e9cb-4967-aa56-010278e9e52a/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/820e9bde246981cf653616887b1b6a5fba61bacb3e1d8b30ca9f2c7af54a573d
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-12-01T07:30:00Z UTC
Last seen:
2025-12-01T20:42:00Z UTC
Hits:
~10
Detections:
PDM:Trojan.Win32.Generic HEUR:Backdoor.Win32.Remcos.gen Backdoor.Win32.Remcos.sb
Link:
https://opentip.kaspersky.com/820e9bde246981cf653616887b1b6a5fba61bacb3e1d8b30ca9f2c7af54a573d/results?tab=lookup
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1a876134-aa9b-4625-8bd6-566e8a5dc94a
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/820e9bde246981cf653616887b1b6a5fba61bacb3e1d8b30ca9f2c7af54a573d
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/fb5433a8523073d3c155b987d13c48e2
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/820e9bde246981cf653616887b1b6a5fba61bacb3e1d8b30ca9f2c7af54a573d/
Verdict:
Malicious
Threat:
Family.REMCOS
Link:
https://tip.neiki.dev/file/820e9bde246981cf653616887b1b6a5fba61bacb3e1d8b30ca9f2c7af54a573d
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2025-12-01 12:22:13 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
21 of 23 (91.30%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qihjxxrenga46zjwc2ehwg3kl65gdowlhyoywmgkt4whv5kkk46q._file
Verdict:
malicious
Label(s):
nirsoft
Create hunting rule
admintool_mailpassview
Create hunting rule
remcos
Create hunting rule
Similar samples:
01bc103ee77df6c8974d2fd4b86a7572f3d6968615a22471e3c18ff98260f1b8
RemcosRAT
691a1adb4046eb79e2ce90e73aad82ae817aeed98139a0a852ebb9aa2aed8541
RemcosRAT
7bd2afc08d989f953c9ba966eba803bf24f413a8e60fdc8ca4d6b6d3706a1d8f
RemcosRAT
a19f4c04fad3b4dc95575d3f3b2a4fdfd75556e2c79dd64a08d6e035ea92fda1
RemcosRAT
da667f87b118e222887a612d5f45bb74d329872e1042b21af36555fb75b7288c
RemcosRAT
error
RemcosRAT
f0897cfd849935fa8e4174994bedf6feddd9ebdeca7860e37ed4153468e443eb
RemcosRAT
+ 1'846 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:dec - remotehost collection discovery
Link:
https://tria.ge/reports/251203-h6r4zatrbs/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Detected Nirsoft tools
NirSoft MailPassView
Malware Config
C2 Extraction:
manymandyills.duckdns.org:9301
vuloinsioscollid.duckdns.org:9301
tallymostfavor.duckdns.org:9301
Verdict:
Malicious
Tags:
rat remcos Win.Trojan.Remcos-9841897-0
YARA:
malware_windows_remcos_rat REMCOS_RAT_variants Remcos_Payload win_remcos_rat_unpacked Windows_Trojan_Remcos_b296e965 Remcos
Link:
https://app.threat.zone/submission/9d9c2cc1-6586-4ce7-a6d6-b1a88f72eaf9
Unpacked files
SH256 hash:
820e9bde246981cf653616887b1b6a5fba61bacb3e1d8b30ca9f2c7af54a573d
MD5 hash:
fb5433a8523073d3c155b987d13c48e2
SHA1 hash:
ac8afd71f5911fd3f62f386e247ecdcda3525afe
Detections:
win_remcos_w0
Create hunting rule
win_remcos_auto
Create hunting rule
Remcos
Create hunting rule
Link:
https://www.unpac.me/results/e78ad35e-bf06-40a8-8d42-4cf5c19107e0/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/820e9bde2469/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/820e9bde246981cf653616887b1b6a5fba61bacb3e1d8b30ca9f2c7af54a573d

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:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Remcos_unpacked_PulseIntel
Create hunting rule
Author:PulseIntel
Description:Remcos Payload
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:Windows_Trojan_Remcos_b296e965
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.
Rule name:win_remcos_rat_unpacked
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:win_remcos_w0
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:yarahub_win_remcos_rat_unpacked_aug_2023
Create hunting rule
Author:Matthew @ Embee_Research

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/42216/

Comments