MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d4729baa39aa4e1052e0999c90450a4cdcd4c4e3831c9a791fb99b94036103b4. 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: d4729baa39aa4e1052e0999c90450a4cdcd4c4e3831c9a791fb99b94036103b4
SHA3-384 hash: a72ba7059a98570452aa9870287c3ada37c574d94540bb4e3c61f0cc88207616301b37f4c5c0253a464ffd8b16f106af
SHA1 hash: 735f6850aff87fc02cc8e15ea120f641482ad96b
MD5 hash: aa71557a5058558e6867a8278011594f
humanhash: harry-ceiling-georgia-london
File name:SecuriteInfo.com.W32.AIDetect.malware2.10706.14816
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:849'920 bytes
First seen:2022-05-13 21:32:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 372320713f1e564a0d81de3a05ba3938 (1 x NetWire, 1 x RemcosRAT)
ssdeep 24576:r9aucRtDQ5oOKwNoYe2Agn4NuDJR6eD0y:JkmmGWeD0
Threatray 9'202 similar samples on MalwareBazaar
TLSH T1B305C052F2C14A37C073DE785C1FA1A9583A7E152E24E88A3BE45DBC5F3D781391A1A3
TrID 26.5% (.EXE) Win32 Executable Delphi generic (14182/79/4)
24.5% (.SCR) Windows screen saver (13101/52/3)
19.7% (.EXE) Win64 Executable (generic) (10523/12/4)
8.4% (.EXE) Win32 Executable (generic) (4505/5/1)
5.6% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
File icon (PE):PE icon
dhash icon 7cf6b6aa8ed8e8b4 (18 x Formbook, 8 x DBatLoader, 7 x AveMariaRAT)
Reporter SecuriteInfoCom
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
302
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/270520/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
DNS request
Sending a custom TCP request
Creating a file
Running batch commands
Creating a process with a hidden window
Launching cmd.exe command interpreter
Launching the process to interact with network services
Launching a process
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/17599/overview
Behaviour
MalwareBazaar
CheckScreenResolution
CheckCmdLine
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe keylogger packed remcos wacatac
Link:
https://www.filescan.io/uploads/627ece9dce11c3e7ab09d8e0/reports/afb9b0b6-10d1-4b03-91bd-eb3993a3d7f2/overview
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:
Malicious
Link:
https://analyze.intezer.com/analyses/58e8ab1a-56c0-45c6-8aac-58951442a1b3
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/993909
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
Found malware configuration
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 626405 Sample: SecuriteInfo.com.W32.AIDete... Startdate: 13/05/2022 Architecture: WINDOWS Score: 100 38 mdipaolo-remm.duckdns.org 2->38 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 Multi AV Scanner detection for submitted file 2->60 62 3 other signatures 2->62 9 Vnaajdl.exe 15 2->9         started        13 SecuriteInfo.com.W32.AIDetect.malware2.10706.exe 1 21 2->13         started        16 Vnaajdl.exe 15 2->16         started        signatures3 process4 dnsIp5 42 onedrive.live.com 9->42 50 2 other IPs or domains 9->50 72 Multi AV Scanner detection for dropped file 9->72 74 Writes to foreign memory regions 9->74 76 Allocates memory in foreign processes 9->76 18 DpiScaling.exe 2 2 9->18         started        44 l-0003.l-dc-msedge.net 13.107.43.12, 443, 49737, 49742 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 13->44 46 onedrive.live.com 13->46 52 2 other IPs or domains 13->52 34 C:\Users\Public\Libraries\Vnaajdl.exe, PE32 13->34 dropped 36 C:\Users\...\Vnaajdl.exe:Zone.Identifier, ASCII 13->36 dropped 21 DpiScaling.exe 13->21         started        24 cmd.exe 1 13->24         started        48 192.168.2.1 unknown unknown 16->48 54 3 other IPs or domains 16->54 78 Creates a thread in another existing process (thread injection) 16->78 80 Injects a PE file into a foreign processes 16->80 26 DpiScaling.exe 16->26         started        file6 signatures7 process8 dnsIp9 40 mdipaolo-remm.duckdns.org 37.120.137.206, 30288, 49763, 49764 M247GB Romania 18->40 64 Contains functionality to steal Chrome passwords or cookies 21->64 66 Contains functionality to inject code into remote processes 21->66 68 Contains functionality to steal Firefox passwords or cookies 21->68 70 Delayed program exit found 21->70 28 cmd.exe 1 24->28         started        30 conhost.exe 24->30         started        signatures10 process11 process12 32 conhost.exe 28->32         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d4729baa39aa4e1052e0999c90450a4cdcd4c4e3831c9a791fb99b94036103b4/
Threat name:
Win32.Backdoor.NetWiredRc
Create hunting rule
Status:
Malicious
First seen:
2022-05-13 21:33:09 UTC
File Type:
PE (Exe)
Extracted files:
42
AV detection:
16 of 41 (39.02%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2rzjxkrzvjhbauxatgojarikjtonjrhdqmoju6i7xgnzia3bao2a._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
08c0273e2bd04a047d150303d4cd05076c2d2877afa82543ce43fc8296d86a7c
RemcosRAT
31a6f2f0d3d503cabf02e31fee5edab37f32c97360f9204654130ab98f5143b6
RemcosRAT
81b648fca4135b631044dd68aee71ee704dcc930ae635658b9438585c5dc6b90
RemcosRAT
99e39ef9a5267ed9790fbef614fa3a0054025c1cb866295e9e320bc95b128280
RemcosRAT
9c9243f11dd44d1f1ac97716014be57244dca97a514e73d5f13da03392cba358
RemcosRAT
b8df890fac057175f86dc5f301f1e1f6d45b2a1b36598934c3fc0144cf433137
RemcosRAT
f92693be20b760d1f24228bf91056368c06f33faeaf8fad6517115036d1f37c6
RemcosRAT
+ 9'192 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:modiloader family:remcos botnet:may-13 persistence rat trojan
Link:
https://tria.ge/reports/220513-1d6qrsefbk/
Behaviour
Modifies system certificate store
Runs net.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Adds Run key to start application
ModiLoader Second Stage
ModiLoader, DBatLoader
Remcos
Malware Config
C2 Extraction:
mdipaolo-remm.duckdns.org:30288
Gathering data
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/d4729baa39aa4e1052e0999c90450a4cdcd4c4e3831c9a791fb99b94036103b4

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:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:remcos_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.

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/270520/

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