MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5dd2f8347b2c2a334231ec2167d38514868ebbeede5311ace774c9a4b5375fff. 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: 10


Intelligence 10 IOCs YARA 6 File information Comments

SHA256 hash: 5dd2f8347b2c2a334231ec2167d38514868ebbeede5311ace774c9a4b5375fff
SHA3-384 hash: 9fa6d175e3fff5043c1c2e0dce40ce31feb6ce6873b9aaeb5353f571bbec29f084410f0ecfe1b8610fe9a5317865b8c5
SHA1 hash: a4cb3c20e099699d29283022ee797ac7447cfc64
MD5 hash: 9318c6fa5354e8aeb9ad516c27e22a6c
humanhash: august-nine-july-tennis
File name:Document.exe
Download: download sample
Signature RemcosRAT
File size:768'512 bytes
First seen:2021-07-14 20:51:45 UTC
Last seen:2021-07-14 21:49:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 38d16b2c37539891bdbf379fbde18675 (1 x BitRAT, 1 x RemcosRAT)
ssdeep 12288:MMzACYeU8tDGC/xRXzpU2YeJHsOHUgqBFDRVGttqOeAhFK:MMMCnMC/xRmeJMQVqdVGQj
Threatray 426 similar samples on MalwareBazaar
TLSH T181F4AE27A6918437D1731E796C1BB7579926BE002E28A5893BFC1D4C8F3C6D13A36393
Reporter GovCERT_CH
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
172
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Document.exe
Verdict:
Malicious activity
Analysis date:
2021-07-14 20:52:23 UTC
Tags:
rat remcos keylogger

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Creates a thread in another existing process (thread injection)
Delayed program exit found
Detected Remcos RAT
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 448992 Sample: Document.exe Startdate: 14/07/2021 Architecture: WINDOWS Score: 100 59 Found malware configuration 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 Multi AV Scanner detection for submitted file 2->63 65 5 other signatures 2->65 8 Document.exe 1 24 2->8         started        13 Vgdvscr.exe 16 2->13         started        15 Vgdvscr.exe 16 2->15         started        process3 dnsIp4 45 qifgua.bl.files.1drv.com 8->45 47 onedrive.live.com 8->47 49 bl-files.fe.1drv.com 8->49 41 C:\Users\Public\Libraries\...\Vgdvscr.exe, PE32 8->41 dropped 75 Writes to foreign memory regions 8->75 77 Allocates memory in foreign processes 8->77 79 Creates a thread in another existing process (thread injection) 8->79 17 dialer.exe 2 3 8->17         started        21 cmd.exe 1 8->21         started        23 cmd.exe 1 8->23         started        51 qifgua.bl.files.1drv.com 13->51 55 2 other IPs or domains 13->55 81 Multi AV Scanner detection for dropped file 13->81 83 Injects a PE file into a foreign processes 13->83 25 mshta.exe 13->25         started        53 qifgua.bl.files.1drv.com 15->53 57 2 other IPs or domains 15->57 27 DpiScaling.exe 15->27         started        file5 signatures6 process7 dnsIp8 43 lindron.ddns.net 193.187.90.38, 2404, 49743 OBE-EUROPEObenetworkEuropeSE Sweden 17->43 67 Contains functionality to steal Chrome passwords or cookies 17->67 69 Contains functionality to inject code into remote processes 17->69 71 Contains functionality to steal Firefox passwords or cookies 17->71 29 reg.exe 1 21->29         started        31 conhost.exe 21->31         started        33 cmd.exe 1 23->33         started        35 conhost.exe 23->35         started        73 Delayed program exit found 25->73 signatures9 process10 process11 37 conhost.exe 29->37         started        39 conhost.exe 33->39         started       
Threat name:
Win32.Trojan.Woreflint
Status:
Malicious
First seen:
2021-07-14 18:31:13 UTC
AV detection:
15 of 29 (51.72%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost persistence rat
Behaviour
Modifies registry key
Suspicious use of WriteProcessMemory
Adds Run key to start application
Remcos
Malware Config
C2 Extraction:
lindron.ddns.net:2404
lindron1.ddns.net:2404
lindron2.ddns.net:2404
Unpacked files
SH256 hash:
7977cf08b9e8faccde39a1620281265292b634c592dd532d8dad755d28b95d24
MD5 hash:
1c6dbe1008826c5a02e7504cab86ba14
SHA1 hash:
6a21b266b8e8fb84b11b6e798e052b729fdb1094
SH256 hash:
5dd2f8347b2c2a334231ec2167d38514868ebbeede5311ace774c9a4b5375fff
MD5 hash:
9318c6fa5354e8aeb9ad516c27e22a6c
SHA1 hash:
a4cb3c20e099699d29283022ee797ac7447cfc64
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:ach_RemcosRAT
Author:abuse.ch
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EnvVarScheduledTasks
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC (ab)using Environment Variables in Scheduled Tasks
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:Remcos
Author:kevoreilly
Description:Remcos Payload
Rule name:remcos_rat
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants

File information


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

Malspam

RemcosRAT

Executable exe 5dd2f8347b2c2a334231ec2167d38514868ebbeede5311ace774c9a4b5375fff

(this sample)

  
Delivery method
Distributed via e-mail attachment

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