MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bdc569c6b3a020645241982817604473e9b9460b669f81ce1576735627a793af. 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: 18


Intelligence 18 IOCs YARA 5 File information Comments
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SHA256 hash: bdc569c6b3a020645241982817604473e9b9460b669f81ce1576735627a793af
SHA3-384 hash: e8111379a7d9cbffe39762af5652645fe324004cec3e01c432f92bce479734fc53a9bb4c3b672a67f15a20425c6e0e2b
SHA1 hash: 9f9a5fae1047c5c08ad270bfd7c28be5a610839a
MD5 hash: 4699840526792a58f7d617207f9afa4a
humanhash: magnesium-twenty-papa-wyoming
File name:kmalw.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:969'728 bytes
First seen:2025-03-31 06:17:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'654 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 24576:k91lnmaFA6w52KWaCFDjc1F/QuYLQcHnqMk7:S1ga26w5pwDjatYccHqd
TLSH T1F125127C6A15E81BC4446BB84AB2E6F902784EDCF812D21BAFDD5EEFBD679504C180C1
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
dhash icon b2b296b2b29696b2 (1 x AgentTesla, 1 x RemcosRAT, 1 x SnakeKeylogger)
Reporter ankit_anubhav
Tags:exe remcos RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
586
Origin country :
TH TH
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
kmalw.exe
Verdict:
Malicious activity
Analysis date:
2025-03-31 06:21:47 UTC
Tags:
remcos rat remote
Link:
https://app.any.run/tasks/6e966751-bbd7-4969-8089-a4938908ef6d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67ea3610855e5ec5240aaad6
Tags:
micro krypt msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Setting a keyboard event handler
DNS request
Connection attempt
Sending a custom TCP request
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/67ea33a1f274bf2d8e29d564/reports/e95035ce-a129-499b-be48-f3fec5052461/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/bdc569c6b3a020645241982817604473e9b9460b669f81ce1576735627a793af
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/70969df1-ca71-444d-bfbc-aae1032c0f90
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1652530
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Delayed program exit found
Detected Remcos RAT
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Remcos
Sigma detected: Scheduled temp file as task from temp location
Suricata IDS alerts for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1652530 Sample: kmalw.exe Startdate: 31/03/2025 Architecture: WINDOWS Score: 100 49 riversyakos.freeddns.org 2->49 51 geoplugin.net 2->51 63 Suricata IDS alerts for network traffic 2->63 65 Found malware configuration 2->65 67 Malicious sample detected (through community Yara rule) 2->67 69 13 other signatures 2->69 8 kmalw.exe 7 2->8         started        12 eucBLWupPzHO.exe 5 2->12         started        signatures3 process4 file5 39 C:\Users\user\AppData\...\eucBLWupPzHO.exe, PE32 8->39 dropped 41 C:\Users\...\eucBLWupPzHO.exe:Zone.Identifier, ASCII 8->41 dropped 43 C:\Users\user\AppData\Local\...\tmpEEF5.tmp, XML 8->43 dropped 45 C:\Users\user\AppData\Local\...\kmalw.exe.log, ASCII 8->45 dropped 71 Uses schtasks.exe or at.exe to add and modify task schedules 8->71 73 Adds a directory exclusion to Windows Defender 8->73 75 Injects a PE file into a foreign processes 8->75 14 kmalw.exe 4 16 8->14         started        19 powershell.exe 23 8->19         started        21 powershell.exe 23 8->21         started        23 schtasks.exe 1 8->23         started        77 Antivirus detection for dropped file 12->77 79 Multi AV Scanner detection for dropped file 12->79 81 Contains functionality to bypass UAC (CMSTPLUA) 12->81 83 5 other signatures 12->83 25 eucBLWupPzHO.exe 12->25         started        27 schtasks.exe 12->27         started        signatures6 process7 dnsIp8 53 riversyakos.freeddns.org 46.246.6.10, 49721, 49725, 49728 PORTLANEwwwportlanecomSE Sweden 14->53 55 geoplugin.net 178.237.33.50, 49726, 49731, 80 ATOM86-ASATOM86NL Netherlands 14->55 47 C:\ProgramData\remcos\logs.dat, data 14->47 dropped 57 Detected Remcos RAT 14->57 59 Installs a global keyboard hook 14->59 61 Loading BitLocker PowerShell Module 19->61 29 conhost.exe 19->29         started        31 WmiPrvSE.exe 19->31         started        33 conhost.exe 21->33         started        35 conhost.exe 23->35         started        37 conhost.exe 27->37         started        file9 signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/bdc569c6b3a020645241982817604473e9b9460b669f81ce1576735627a793af
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bdc569c6b3a020645241982817604473e9b9460b669f81ce1576735627a793af/
Threat name:
Win32.Trojan.MassLogger
Create hunting rule
Status:
Malicious
First seen:
2025-03-31 06:18:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xxcwtrvtuaqgiusbtauboyceopu3srqlm2pydtqvozzvmj5hsoxq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
unc_loader_037
Create hunting rule
Similar samples:
error
RemcosRAT
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:snake year discovery execution rat
Link:
https://tria.ge/reports/250331-g2m4sat1es/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Remcos
Remcos family
Malware Config
C2 Extraction:
riversyakos.freeddns.org:60247
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/aa16ca72-bd09-49ad-9a99-532b1e1baa16
Unpacked files
SH256 hash:
bdc569c6b3a020645241982817604473e9b9460b669f81ce1576735627a793af
MD5 hash:
4699840526792a58f7d617207f9afa4a
SHA1 hash:
9f9a5fae1047c5c08ad270bfd7c28be5a610839a
Link:
https://www.unpac.me/results/27b85a1d-0a9c-4ccd-aa36-c2339df44a4c/
SH256 hash:
0531a25470cddec00d9dbdc13ee323862a7b80a3e257552782146293dae4afd3
MD5 hash:
bf36751bea2e075e673ce4f5185d0341
SHA1 hash:
3faa0c45ab7ede8d4628052fbeabf657df2031af
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/27b85a1d-0a9c-4ccd-aa36-c2339df44a4c/
SH256 hash:
d7b5ea2efe8f743c7a57fd8c98b778ff878d4ae864c1445de453d62046ea7143
MD5 hash:
2d1bc48a428d487d4f14ba7f3b6d5bd0
SHA1 hash:
9fc7bd58c66018ef79f3c9b38d3cb2dd1e41aa1b
Link:
https://www.unpac.me/results/27b85a1d-0a9c-4ccd-aa36-c2339df44a4c/
SH256 hash:
7fafb8051339f10c39f99d37aa6f15be9b46232518adf48fcc9f01821d8dc97f
MD5 hash:
1ffddbba0a36f973b37484e3aee22989
SHA1 hash:
e3619ca5b6451a20f851e1a40d1c558fb5211df0
Detections:
win_remcos_w0
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
win_remcos_rat_unpacked
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Link:
https://www.unpac.me/results/27b85a1d-0a9c-4ccd-aa36-c2339df44a4c/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/bdc569c6b3a020645241982817604473e9b9460b669f81ce1576735627a793af

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

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