MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 632e9965d05c17941c959bde2b51cee63dc6c85d655180e382ad4e3adaf14bce. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 632e9965d05c17941c959bde2b51cee63dc6c85d655180e382ad4e3adaf14bce
SHA3-384 hash: 4f96ea138b490881bf58816ac4190ef74daf3ff96e07e038359efdb29e2dd6e3f0dc3e3d473f0c2e770283e1edc1fb07
SHA1 hash: 64038ff15d4548d81020d01d02f1f961468d3d2b
MD5 hash: 7cf71967c27363b7f81e184ab436dc20
humanhash: sad-north-echo-william
File name:Overdue Invoice 20231231.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'010'688 bytes
First seen:2024-01-29 09:24:23 UTC
Last seen:2024-02-05 08:33:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 24576:BWD/IrM53q/1nVReOTvjeGfTBt0ZunK5w/:Baa9VkOTSAtK5
TLSH T1082512903BEC5B23E27B83F00826506147B67653BE62E36C1ED161DE1EB7B0057A1E5B
TrID 56.5% (.EXE) Win64 Executable (generic) (10523/12/4)
11.0% (.ICL) Windows Icons Library (generic) (2059/9)
10.9% (.EXE) OS/2 Executable (generic) (2029/13)
10.7% (.EXE) Generic Win/DOS Executable (2002/3)
10.7% (.EXE) DOS Executable Generic (2000/1)
Reporter adrian__luca
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
294
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
632e9965d05c17941c959bde2b51cee63dc6c85d655180e382ad4e3adaf14bce.exe
Verdict:
Suspicious activity
Analysis date:
2024-01-29 09:28:17 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/5fadc04a-d449-4461-bb31-357130d1c88b

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/473376/
Detection(s):
Win.Packed.Filerepmalware-10019564-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Searching for synchronization primitives
Creating a file
Launching the default Windows debugger (dwwin.exe)
Using the Windows Management Instrumentation requests
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/65b76ef9814c2aeb1483ad92/reports/13060b99-1874-4be9-84a1-18ea6c11e416/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/632e9965d05c17941c959bde2b51cee63dc6c85d655180e382ad4e3adaf14bce
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/d9627c71-9654-4e1f-a545-5e41bdd1e25e
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1382556
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Malicious sample detected (through community Yara rule)
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Scheduled temp file as task from temp location
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1382556 Sample: Overdue_Invoice_20231231.exe Startdate: 29/01/2024 Architecture: WINDOWS Score: 100 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus detection for URL or domain 2->43 45 6 other signatures 2->45 7 Overdue_Invoice_20231231.exe 7 2->7         started        11 avTmWbOr.exe 5 2->11         started        process3 file4 35 C:\Users\user\AppData\Roaming\avTmWbOr.exe, PE32+ 7->35 dropped 37 C:\Users\user\AppData\Local\...\tmp51E9.tmp, XML 7->37 dropped 47 Uses schtasks.exe or at.exe to add and modify task schedules 7->47 49 Writes to foreign memory regions 7->49 51 Modifies the context of a thread in another process (thread injection) 7->51 53 Adds a directory exclusion to Windows Defender 7->53 13 powershell.exe 23 7->13         started        15 schtasks.exe 1 7->15         started        17 RegSvcs.exe 7->17         started        55 Multi AV Scanner detection for dropped file 11->55 19 schtasks.exe 1 11->19         started        21 RegSvcs.exe 11->21         started        signatures5 process6 process7 23 WmiPrvSE.exe 13->23         started        25 conhost.exe 13->25         started        27 conhost.exe 15->27         started        29 WerFault.exe 2 17->29         started        31 conhost.exe 19->31         started        33 WerFault.exe 4 21->33         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/632e9965d05c17941c959bde2b51cee63dc6c85d655180e382ad4e3adaf14bce
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/632e9965d05c17941c959bde2b51cee63dc6c85d655180e382ad4e3adaf14bce/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2024-01-29 09:02:33 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
30
AV detection:
19 of 23 (82.61%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mmxjszoqlqlzihevtppcwuoo4y64nsc5mviyby4cvvhdvwxrjpha._file
Verdict:
unknown
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/240129-ldmkkagbak/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Unpacked files
SH256 hash:
632e9965d05c17941c959bde2b51cee63dc6c85d655180e382ad4e3adaf14bce
MD5 hash:
7cf71967c27363b7f81e184ab436dc20
SHA1 hash:
64038ff15d4548d81020d01d02f1f961468d3d2b
Link:
https://www.unpac.me/results/373d39ca-58ee-4c2e-b753-5c29464420fa/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.91
Link:
https://yomi.yoroi.company/submissions/632e9965d05c17941c959bde2b51cee63dc6c85d655180e382ad4e3adaf14bce

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:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table

File information

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

Malspam

RemcosRAT

Executable exe 632e9965d05c17941c959bde2b51cee63dc6c85d655180e382ad4e3adaf14bce

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/473376/

Comments