MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f1d58e307f560980d4b7055b430d8dcf765526560b3292d27f503cdff98d9f4. 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: 19


Intelligence 19 IOCs YARA 4 File information Comments

SHA256 hash: 3f1d58e307f560980d4b7055b430d8dcf765526560b3292d27f503cdff98d9f4
SHA3-384 hash: e04d99dc69e3819d37e39b621db2108ef6019aeab829e942daa5d6ddc734e26f1745870174b55157afd73c7864c97bd1
SHA1 hash: 753db01e831b2faa62256d61cac8a0ba0718e6af
MD5 hash: d0602676c07011a83d052c962b511095
humanhash: moon-twenty-king-green
File name:3f1d58e307f560980d4b7055b430d8dcf765526560b3292d27f503cdff98d9f4
Download: download sample
Signature RemcosRAT
File size:1'204'736 bytes
First seen:2025-10-09 15:01:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'481 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:dnXdqOtixPmh0wvRiRDxVN1zSCX0Qk0DhmDl0E:dIOtiIh0O0pxtjX0QXDhO0E
Threatray 4'109 similar samples on MalwareBazaar
TLSH T14C45D0993254B48EC8578F359938DD30A6617D6AAB37C20745E77CAFBB3F5C38A00192
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10522/11/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter adrian__luca
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
57
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
3f1d58e307f560980d4b7055b430d8dcf765526560b3292d27f503cdff98d9f4.exe
Verdict:
Malicious activity
Analysis date:
2025-10-09 17:45:04 UTC
Tags:
rat remcos auto-sch-xml

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
remcos virus micro msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Sending a custom TCP request
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Connection attempt
DNS request
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated obfuscated obfuscated packed packed packer_detected vbnet
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-25T23:53:00Z UTC
Last seen:
2025-10-09T08:38:00Z UTC
Hits:
~1000
Gathering data
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2025-09-26 03:00:34 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
29 of 36 (80.56%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
unc_loader_078 remcos unc_loader_037
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost discovery execution persistence rat
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Remcos
Remcos family
Malware Config
C2 Extraction:
127.0.0.1:29116
tooblessed2bcursed.duckdns.org:29116
196.251.92.42:29116
Unpacked files
SH256 hash:
3f1d58e307f560980d4b7055b430d8dcf765526560b3292d27f503cdff98d9f4
MD5 hash:
d0602676c07011a83d052c962b511095
SHA1 hash:
753db01e831b2faa62256d61cac8a0ba0718e6af
SH256 hash:
90a0a1eca412266f1dae2233f7b2568e96a7c94934560648012f3e0d15ad93f5
MD5 hash:
b9eb8b9451c6e637a07eca2e4fe85941
SHA1 hash:
625dc03bea506bbeec17544485f18eb1f3a19fbd
Detections:
win_remcos_w0 win_remcos_auto Remcos malware_windows_remcos_rat win_remcos_rat_unpacked INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
SH256 hash:
928744bd8a26bb09379f9a8b4c9676b2c2838e5d2da9c8fedaaad8954ab15edf
MD5 hash:
58fee3ab074e2c85520b2cd4e8aba953
SHA1 hash:
beaeef818e7aec9f790e9785cf96048a05df12dc
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
3a8235adcf5c014204b3c7f9bc74cdc5628617fbca4edfd0a89e61bd368598d3
MD5 hash:
805ed8b902bad1be7788a1f25a33f7c1
SHA1 hash:
d7c02f99910d58990504e561694d74e90fd872c5
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

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