MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c5884f70d4043a8552ccffa8c0fd0035747ad869aa04baeeb6b131f0992b58a2. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c5884f70d4043a8552ccffa8c0fd0035747ad869aa04baeeb6b131f0992b58a2
SHA3-384 hash: 265bab6a52968f03e501e6693e78a6d228e88c984220fbd02716c868231aec2509204c79c9eee7a83945ce55184ee659
SHA1 hash: 221e9dae4d463d8fbb905757d1f00231bb1805c3
MD5 hash: 9f76d4cd450af3eafe4d1bee1718c542
humanhash: butter-september-finch-missouri
File name:c5884f70d4043a8552ccffa8c0fd0035747ad869aa04baeeb6b131f0992b58a2
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:815'321 bytes
First seen:2025-11-06 11:41:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 0293eec0b5432ad092f24065016203b2 (21 x GuLoader, 9 x RemcosRAT, 6 x Formbook)
ssdeep 12288:sIPMaGcU2J9j7rW7oDdk+E4RTCEh5bwYKY543yVQASzzyiU1hgw4P:ldGc1jmUDu+EC3KOkwgzyvgw4P
TLSH T111052252FD51C4F7C893273DFEB78116B2E27AFC4599A587134C262D3C222829AEF641
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10522/11/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter adrian__luca
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
94
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
c5884f70d4043a8552ccffa8c0fd0035747ad869aa04baeeb6b131f0992b58a2
Verdict:
Malicious activity
Analysis date:
2025-11-05 14:34:42 UTC
Tags:
remcos rat
Link:
https://app.any.run/tasks/bb1827d8-3ec2-4f9e-882f-b2d08f8bdc46

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/36300/
Verdict:
Malicious
Score:
94.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=690c89d5ea0f3e915c239432
Tags:
injection virus
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Searching for the window
Creating a file in the %AppData% subdirectories
Creating a file
Delayed reading of the file
Searching for many windows
Gathering data
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/c5884f70d4043a8552ccffa8c0fd0035747ad869aa04baeeb6b131f0992b58a2
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-28T21:00:00Z UTC
Last seen:
2025-11-06T07:44:00Z UTC
Hits:
~100
Detections:
HEUR:Trojan-Dropper.Win32.Convagent.gen HEUR:Trojan.Win32.Makoob.gen PDM:Trojan.Win32.Generic Trojan.NSIS.Makoob.sbd Trojan.NSIS.Makoob.sbb Trojan.NSIS.Makoob.sba
Link:
https://opentip.kaspersky.com/c5884f70d4043a8552ccffa8c0fd0035747ad869aa04baeeb6b131f0992b58a2/results?tab=lookup
Score:
97%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c5884f70d4043a8552ccffa8c0fd0035747ad869aa04baeeb6b131f0992b58a2
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable NSIS Installer PE (Portable Executable) PE File Layout Win 32 Exe x86
Link:
https://app.malva.re/file/9f76d4cd450af3eafe4d1bee1718c542
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c5884f70d4043a8552ccffa8c0fd0035747ad869aa04baeeb6b131f0992b58a2/
Verdict:
Malicious
Threat:
Family.REMCOS
Link:
https://tip.neiki.dev/file/c5884f70d4043a8552ccffa8c0fd0035747ad869aa04baeeb6b131f0992b58a2
Threat name:
Win32.Trojan.GuLoader
Create hunting rule
Status:
Malicious
First seen:
2025-11-02 00:56:34 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ywee64guaq5ikuwm76umb7iagv2hvwdjviclv3vwwey7bgjllcra._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:guloader family:remcos discovery downloader installer persistence rat
Link:
https://tria.ge/reports/251106-ntpqzawpek/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
NSIS installer
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Guloader family
Guloader,Cloudeye
Remcos
Remcos family
Malware Config
C2 Extraction:
196.251.115.86:2404
Verdict:
Malicious
Tags:
loader guloader
YARA:
NSIS_GuLoader_July_2024
Link:
https://app.threat.zone/submission/05ec7f9e-4577-4e89-bb78-093b3f9d426a
Unpacked files
SH256 hash:
c5884f70d4043a8552ccffa8c0fd0035747ad869aa04baeeb6b131f0992b58a2
MD5 hash:
9f76d4cd450af3eafe4d1bee1718c542
SHA1 hash:
221e9dae4d463d8fbb905757d1f00231bb1805c3
Link:
https://www.unpac.me/results/7950f4ca-2fa4-43d0-9d6a-160862a1d9e4/
SH256 hash:
7fb0f8d452fefaac789986b933df050f3d3e4feb8a8d9944ada995f572dcdca1
MD5 hash:
dd87a973e01c5d9f8e0fcc81a0af7c7a
SHA1 hash:
c9206ced48d1e5bc648b1d0f54cccc18bf643a14
Link:
https://www.unpac.me/results/7950f4ca-2fa4-43d0-9d6a-160862a1d9e4/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c5884f70d404/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.79
Link:
https://yomi.yoroi.company/submissions/c5884f70d4043a8552ccffa8c0fd0035747ad869aa04baeeb6b131f0992b58a2

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:Ins_NSIS_Buer_Nov_2020_1
Create hunting rule
Author:Arkbird_SOLG
Description:Detect NSIS installer used for Buer loader
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns

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/36300/

Comments