MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 37fb059d66f036d9fcbde38eae1f577e5c214713ed0f2c2ff42f893c3b16e035. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 37fb059d66f036d9fcbde38eae1f577e5c214713ed0f2c2ff42f893c3b16e035
SHA3-384 hash: bada760c40d300c0d7481ab9c2d6b17a720dfc5e4033442f2065435e6f3dd5796fb61cba86fd775e64235e3ca268448e
SHA1 hash: 44802631843780b0cc061783730a0ca4737c4c09
MD5 hash: 515bd88de08948bfa1b086087cfe479d
humanhash: crazy-purple-six-music
File name:rShippingdocuments.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:753'720 bytes
First seen:2026-04-15 22:00:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 0293eec0b5432ad092f24065016203b2 (21 x GuLoader, 16 x RemcosRAT, 6 x Formbook)
ssdeep 12288:0SW9MrpT34uxqhxw3L9X/qLu6GRMKABrhfaEwTr4IeY3:0SW9MrpT3kbw3LpyLur0BYEwTkzo
TLSH T1A2F45C517660D7AEF6761639B4CAC36E6454BC30AD06038FF1B07EA847B2EAC4F86351
TrID 50.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
10.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
10.5% (.EXE) Win64 Executable (generic) (6522/11/2)
8.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.2% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
dhash icon d4d878787024d0c0 (6 x RemcosRAT)
Reporter FXOLabs
Tags:exe RemcosRAT signed

Code Signing Certificate

Organisation:Perifert
Issuer:Perifert
Algorithm:sha256WithRSAEncryption
Valid from:2026-04-02T10:26:52Z
Valid to:2027-04-02T10:26:52Z
Serial number: 102aea04e60af76eab2d441a456f88fe29d59b9c
Thumbprint Algorithm:SHA256
Thumbprint: 9246564579b1578c853ad8ac094391425734a2f6c2de4e295d5f6fed467d62fc
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
146
Origin country :
BR BR
Vendor Threat Intelligence
Malware configuration found for:
NSIS
Details
Link:
https://research.acce.ciphertechsolutions.com/results/f80664b0-28b4-496d-b61b-634641cfe54a/
Malware family:
remcos
Create hunting rule
ID:
1
File name:
_37fb059d66f036d9fcbde38eae1f577e5c214713ed0f2c2ff42f893c3b16e035.exe
Verdict:
Malicious activity
Analysis date:
2026-04-15 22:02:48 UTC
Tags:
rat remcos auto-reg
Link:
https://app.any.run/tasks/bb63045f-4200-4415-8080-89168fa0e7d1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Guloader
Create hunting rule
Link:
https://www.capesandbox.com/analysis/61804/
Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69e00ac0f68adfe1003a38a7
Tags:
injection obfusc blic
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Searching for the window
Creating a file
Delayed reading of the file
Sending a custom TCP request
Restart of the analyzed sample
Gathering data
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/37fb059d66f036d9fcbde38eae1f577e5c214713ed0f2c2ff42f893c3b16e035
Result
Gathering data
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-04-15T18:16:00Z UTC
Last seen:
2026-04-15T18:54:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/37fb059d66f036d9fcbde38eae1f577e5c214713ed0f2c2ff42f893c3b16e035/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/5a1e9c5d-85c8-4812-838a-ba1deeb20abe
Score:
90%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/37fb059d66f036d9fcbde38eae1f577e5c214713ed0f2c2ff42f893c3b16e035
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/37fb059d66f036d9fcbde38eae1f577e5c214713ed0f2c2ff42f893c3b16e035/
Verdict:
Malicious
Threat:
Family.REMCOS
Link:
https://tip.neiki.dev/file/37fb059d66f036d9fcbde38eae1f577e5c214713ed0f2c2ff42f893c3b16e035
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=g75qlhlg6a3nt7f54ohk4h2xpzoccryt5uhsyl7uf6etyoyw4a2q._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:guloader family:remcos botnet:remotehost discovery downloader installer persistence rat spyware stealer
Link:
https://tria.ge/reports/260415-1xbdzaay6k/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
NSIS installer
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Adds Run key to start application
Checks installed software on the system
Contacts third-party web service commonly abused for C2
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Family: Guloader,Cloudeye
Family: Remcos
Malware Config
C2 Extraction:
209.54.101.159:5003
Unpacked files
SH256 hash:
37fb059d66f036d9fcbde38eae1f577e5c214713ed0f2c2ff42f893c3b16e035
MD5 hash:
515bd88de08948bfa1b086087cfe479d
SHA1 hash:
44802631843780b0cc061783730a0ca4737c4c09
Link:
https://www.unpac.me/results/f5d70da3-8c1c-477b-9f8d-f4326823d2a8/
SH256 hash:
014f1dfeb842cf7265a3644bc6903c592abe9049bfc7396829172d3d72c4d042
MD5 hash:
12b140583e3273ee1f65016becea58c4
SHA1 hash:
92df24d11797fefd2e1f8d29be9dfd67c56c1ada
Link:
https://www.unpac.me/results/f5d70da3-8c1c-477b-9f8d-f4326823d2a8/
SH256 hash:
b2699fdfdab6a018fcc972806d12f71972de1861660bb6578935d62b1da06504
MD5 hash:
3cea4c9994912d8f3c3e8b6a814e810e
SHA1 hash:
c48d34a0981d4ab576c7a3ab566f5ddb94af5d86
Link:
https://www.unpac.me/results/f5d70da3-8c1c-477b-9f8d-f4326823d2a8/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.52
Link:
https://yomi.yoroi.company/submissions/37fb059d66f036d9fcbde38eae1f577e5c214713ed0f2c2ff42f893c3b16e035

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:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:VECT_Ransomware
Create hunting rule
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.

File information

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

Malspam

RemcosRAT

Executable exe 37fb059d66f036d9fcbde38eae1f577e5c214713ed0f2c2ff42f893c3b16e035

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/61804/

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