MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1665cb982b396c386411c79a5a363f5b88760626ced863e02c43c2e5ebb28b30. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1665cb982b396c386411c79a5a363f5b88760626ced863e02c43c2e5ebb28b30
SHA3-384 hash: 84e414fffd5f9a8c153dbb2a649ef2c91d4195364c333391fd0b981bb6a4a2cdbac4475d02a82a26101d8e075fa98d49
SHA1 hash: 2be00fd68afed4157ca2dbe56a0e599c75e95738
MD5 hash: 362c3e6856d70ed80b1c5a14faa1ce42
humanhash: iowa-cardinal-football-oxygen
File name:SecuriteInfo.com.Win32.CrypterX-gen.19719.24653
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'612'800 bytes
First seen:2023-10-06 09:35:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 0d86e42911c69e10a0bac6a25141540c (1 x DBatLoader, 1 x RemcosRAT, 1 x Formbook)
ssdeep 24576:PQYmRM7kYk7XW+LLkxodkG16Be0jsb/ipPUVRWn6MgnVJZk1J3Hu9kQ9:PQwuBkxcLk1JrQ
Threatray 2'643 similar samples on MalwareBazaar
TLSH T17575BFF4A3507D70E0662970AD05ABE4C57774D1298D5C8ED2ECBBF629B63A13A1C08F
TrID 36.1% (.SCR) Windows screen saver (13097/50/3)
29.0% (.EXE) Win64 Executable (generic) (10523/12/4)
12.4% (.EXE) Win32 Executable (generic) (4505/5/1)
5.7% (.EXE) Win16/32 Executable Delphi generic (2072/23)
5.6% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon d8dcfcdcdcdcd4d4 (6 x DBatLoader, 4 x Formbook, 2 x RemcosRAT)
Reporter SecuriteInfoCom
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
298
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.Win32.CrypterX-gen.19719.24653
Verdict:
Malicious activity
Analysis date:
2023-10-06 10:19:51 UTC
Tags:
dbatloader rat remcos remote keylogger
Link:
https://app.any.run/tasks/9caa22bc-7188-4914-aac9-45870f3f6f9e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.CrypterX-gen.19719.24653.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
DNS request
Sending a custom TCP request
Creating a file
Launching a process
Creating a process with a hidden window
Searching for the window
Sending an HTTP GET request
Reading critical registry keys
Creating a file in the %temp% directory
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Forced shutdown of a system process
Stealing user critical data
Unauthorized injection to a system process
Gathering data
Gathering data
Verdict:
Malicious
Labled as:
Ser.Zusy.Generic
Link:
https://www.hybrid-analysis.com/sample/1665cb982b396c386411c79a5a363f5b88760626ced863e02c43c2e5ebb28b30
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.
Malware family:
IEInspector Software
Create hunting rule
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/a35c986d-0b7f-4bf3-874f-cc25cfd1e8e9
Result
Threat name:
Remcos, DBatLoader
Create hunting rule
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1320827
Signature
Allocates many large memory junks
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to inject code into remote processes
Contains functionality to modify clipboard data
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Delayed program exit found
Drops PE files with a suspicious file extension
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Tries to steal Mail credentials (via file registry)
Writes to foreign memory regions
Yara detected DBatLoader
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1320827 Sample: SecuriteInfo.com.Win32.Cryp... Startdate: 06/10/2023 Architecture: WINDOWS Score: 100 40 somto.ydns.eu 2->40 42 web.fe.1drv.com 2->42 44 4 other IPs or domains 2->44 60 Found malware configuration 2->60 62 Malicious sample detected (through community Yara rule) 2->62 64 Antivirus / Scanner detection for submitted sample 2->64 66 8 other signatures 2->66 8 SecuriteInfo.com.Win32.CrypterX-gen.19719.24653.exe 1 2 2->8         started        12 Sycwbjzg.PIF 2->12         started        14 Sycwbjzg.PIF 2->14         started        signatures3 process4 file5 34 C:\Users\Public\Libraries\Sycwbjzg.PIF, PE32 8->34 dropped 68 Drops PE files with a suspicious file extension 8->68 70 Writes to foreign memory regions 8->70 72 Allocates memory in foreign processes 8->72 80 2 other signatures 8->80 16 colorcpl.exe 5 16 8->16         started        74 Antivirus detection for dropped file 12->74 76 Multi AV Scanner detection for dropped file 12->76 78 Machine Learning detection for dropped file 12->78 21 SndVol.exe 12->21         started        23 colorcpl.exe 14->23         started        signatures6 process7 dnsIp8 36 somto.ydns.eu 194.180.49.197, 1993, 49703, 49704 LVLT-10753US Germany 16->36 38 geoplugin.net 178.237.33.50, 49705, 80 ATOM86-ASATOM86NL Netherlands 16->38 32 C:\ProgramData\remcos\logs.dat, data 16->32 dropped 46 Contains functionality to bypass UAC (CMSTPLUA) 16->46 48 Tries to steal Mail credentials (via file registry) 16->48 50 Contains functionalty to change the wallpaper 16->50 58 4 other signatures 16->58 25 colorcpl.exe 1 16->25         started        28 colorcpl.exe 1 16->28         started        30 colorcpl.exe 2 16->30         started        52 Contains functionality to steal Chrome passwords or cookies 21->52 54 Contains functionality to modify clipboard data 21->54 56 Contains functionality to steal Firefox passwords or cookies 21->56 file9 signatures10 process11 signatures12 82 Tries to steal Instant Messenger accounts or passwords 25->82 84 Tries to harvest and steal browser information (history, passwords, etc) 25->84 86 Tries to steal Mail credentials (via file / registry access) 28->86
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1665cb982b396c386411c79a5a363f5b88760626ced863e02c43c2e5ebb28b30/
Threat name:
Win32.Trojan.Remcos
Create hunting rule
Status:
Malicious
First seen:
2023-10-05 13:05:22 UTC
File Type:
PE (Exe)
Extracted files:
46
AV detection:
25 of 36 (69.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=czs4xgblhfwdqzary6nfunr7loehmbrgz3mghybmipbol25srmya._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
254a8dd46ac13318dce3b79a3dfc79917ffb055a9a97776f52e703416ab7cc91
RemcosRAT
483d7f7379d43c9fb3effb226cb58a443f48105bda3a9a6310a76729d7c1b3bd
RemcosRAT
4eecb3d02825158bc36d86c8d75f37137a11576eb8fb9fec7e592648fd369f96
RemcosRAT
4f4a8ff83672c8134227742b12e228e512d32e3c3dabb8e96bdc6b28628d3d26
RemcosRAT
6d69abf704c0ac0c71d7d35cc0eaa5b0ba230b7538ee159ad415b06798143c33
RemcosRAT
81e133f9aae32be3ff7a818fe7fa37eea017740c139e825641cf50dfaaa2a0a9
RemcosRAT
a8c7f79f118f3ff57bef79b5877355adab4269c99a6c61dfca429a46ff0fb357
RemcosRAT
b09ad34d756d9477b24bca1cb4dfcc95e21aa67f72817560dba0d9042255bdca
RemcosRAT
d1e1c9332fa8a6bd045fd4ccfa11055a4e17d1cad72239aab2400870191c4185
RemcosRAT
d31044022de445b61ba735083a47c5fd1f4d5c8dfcf544da489572ce3fafdc79
RemcosRAT
+ 2'633 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:modiloader family:remcos botnet:new collection persistence rat trojan
Link:
https://tria.ge/reports/231006-lkw3ksce69/
Behaviour
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
ModiLoader Second Stage
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
ModiLoader, DBatLoader
Remcos
Malware Config
C2 Extraction:
somto.ydns.eu:1993
Unpacked files
SH256 hash:
70dc1d5e493521be64cbd0b70a29f81f18e2da5473f151e51074a80a5648a80c
MD5 hash:
4c9f54531f6f253a51f0605540892091
SHA1 hash:
ff3c498cf3e35cf2e36cfcb573b4ef6dd9db39e2
Detections:
win_dbatloader_g1
Create hunting rule
Link:
https://www.unpac.me/results/303bce45-6375-4ec7-b4d6-6fc0b199b70f/
Parent samples :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 hash:
7bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301
MD5 hash:
c116d3604ceafe7057d77ff27552c215
SHA1 hash:
452b14432fb5758b46f2897aeccd89f7c82a727d
Link:
https://www.unpac.me/results/303bce45-6375-4ec7-b4d6-6fc0b199b70f/
SH256 hash:
1665cb982b396c386411c79a5a363f5b88760626ced863e02c43c2e5ebb28b30
MD5 hash:
362c3e6856d70ed80b1c5a14faa1ce42
SHA1 hash:
2be00fd68afed4157ca2dbe56a0e599c75e95738
Link:
https://www.unpac.me/results/303bce45-6375-4ec7-b4d6-6fc0b199b70f/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1665cb982b39/report/overview.html
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/1665cb982b396c386411c79a5a363f5b88760626ced863e02c43c2e5ebb28b30

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:BobSoftMiniDelphiBoBBobSoft
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Author:malware-lu
Rule name:Borland
Create hunting rule
Author:malware-lu
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns

File information

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

Comments