MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66652407eb97ccfbecac8f5d27296bdff89acd7c0d5350a7610ad41863fc8a4d. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 66652407eb97ccfbecac8f5d27296bdff89acd7c0d5350a7610ad41863fc8a4d
SHA3-384 hash: c39fe2710bd1fae852b99429d2db11ca9fa40f462f7c6b1797608efb404d1f0a74a7ab9396110c621de9c294e85fb5b1
SHA1 hash: 85b87246499464866ceeab7d20b014c6e5691f56
MD5 hash: 4731b241ab6fb79ddee956397d3088dc
humanhash: johnny-cola-lion-zulu
File name:66652407eb97ccfbecac8f5d27296bdff89acd7c0d5350a7610ad41863fc8a4d
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:531'377 bytes
First seen:2025-09-05 12:30:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b34f154ec913d2d2c435cbd644e91687 (525 x GuLoader, 110 x RemcosRAT, 80 x EpsilonStealer)
ssdeep 12288:G9GrgNuRY6rkfz4+TaCBsUztMKMcd2Bsxepi:G9Grg/69+Brzkcd2B0
TLSH T1EEB423386B30C56BE96C05310579A6EB1DF7E9285DD0654F0702BE9F783BA81EE05B8C
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 :
61
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
66652407eb97ccfbecac8f5d27296bdff89acd7c0d5350a7610ad41863fc8a4d
Verdict:
Malicious activity
Analysis date:
2025-09-05 14:34:52 UTC
Tags:
remcos rat auto-reg remote
Link:
https://app.any.run/tasks/d6d49ffa-e8bb-4a9a-93a2-a6e3cb6a3c45

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/25317/
Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68bad8163e988eb6ab83c26a
Tags:
injection obfusc
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Searching for the window
Creating a file
Creating a file in the %temp% directory
Delayed reading of the file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
installer microsoft_visual_cc obfuscated overlay packed packer_detected
Link:
https://www.filescan.io/uploads/68badc2aa64010de766e2a9e/reports/ea6e88ea-671b-4957-91bc-891ad256a295/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/66652407eb97ccfbecac8f5d27296bdff89acd7c0d5350a7610ad41863fc8a4d
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-08-13T09:56:00Z UTC
Last seen:
2025-08-13T09:56:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/66652407eb97ccfbecac8f5d27296bdff89acd7c0d5350a7610ad41863fc8a4d/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/120c6a49-2c20-4663-b7f4-2b7bd891e0e1
Score:
91%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/66652407eb97ccfbecac8f5d27296bdff89acd7c0d5350a7610ad41863fc8a4d
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/4731b241ab6fb79ddee956397d3088dc
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/66652407eb97ccfbecac8f5d27296bdff89acd7c0d5350a7610ad41863fc8a4d/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2025-08-14 01:43:23 UTC
File Type:
PE (Exe)
Extracted files:
7
AV detection:
23 of 36 (63.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mzssib7ls7gpx3fmr5osokll374jvtl4bvjvbj3bblkbqy74rjgq._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:guloader family:remcos discovery downloader persistence rat
Link:
https://tria.ge/reports/250905-p1n9fswqv5/
Behaviour
Modifies registry class
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Adds policy Run key to start application
Guloader family
Guloader,Cloudeye
Remcos
Remcos family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/ff88d6e7-39f6-49f2-8d74-a9c97d08e1e5
Unpacked files
SH256 hash:
66652407eb97ccfbecac8f5d27296bdff89acd7c0d5350a7610ad41863fc8a4d
MD5 hash:
4731b241ab6fb79ddee956397d3088dc
SHA1 hash:
85b87246499464866ceeab7d20b014c6e5691f56
Link:
https://www.unpac.me/results/14f22576-5127-4d5a-ba95-86f0cf13d681/
SH256 hash:
a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7
MD5 hash:
75ed96254fbf894e42058062b4b4f0d1
SHA1 hash:
996503f1383b49021eb3427bc28d13b5bbd11977
Link:
https://www.unpac.me/results/14f22576-5127-4d5a-ba95-86f0cf13d681/
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/66652407eb97ccfbecac8f5d27296bdff89acd7c0d5350a7610ad41863fc8a4d

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_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:Detect_NSIS_Nullsoft_Installer
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects NSIS installers by .ndata section + NSIS header string
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.

Cape
Cape
https://www.capesandbox.com/analysis/25317/

Comments