MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d4b6ece4be9af66fcb3414c071c1f5f87b84e74a1374f9ecda303799cb3be4f2. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d4b6ece4be9af66fcb3414c071c1f5f87b84e74a1374f9ecda303799cb3be4f2
SHA3-384 hash: 1ba684cc85246557af66cd7f68981b7f31e5648f505af44412e772f7d99322fdf0c48a470af7913dbf1a3095c0cdb96a
SHA1 hash: c7669757faccc44fa34896f4f36bc8353a5ed194
MD5 hash: 7ea0fddc0aa47383c4d6bf530b71f7a4
humanhash: sweet-music-cardinal-ohio
File name:Abchina_ Payment Swift Copy_290123.pdf.scr
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'879'040 bytes
First seen:2024-01-31 10:30:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 5f7fe181812d5942ca24024d00d9c41d (3 x RemcosRAT, 2 x DBatLoader)
ssdeep 49152:FIOAjnxf2hp4XLkrhKOekUvUeudcv4aF5P0R:FI92hp4XQrhhekUvfudyuR
TLSH T17995F1BAE2041473D4324136CB5EF76AA8547E6A2F2871455EFE3CCC71B8687F43A126
TrID 30.5% (.SCR) Windows screen saver (13097/50/3)
24.5% (.EXE) Win64 Executable (generic) (10523/12/4)
15.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
10.5% (.EXE) Win32 Executable (generic) (4505/5/1)
4.8% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon e0c4a2a6a4bcbcf8 (12 x RemcosRAT, 6 x DBatLoader, 4 x Formbook)
Reporter abuse_ch
Tags:exe RemcosRAT scr

Intelligence

File Origin
# of uploads :
1
# of downloads :
297
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
d4b6ece4be9af66fcb3414c071c1f5f87b84e74a1374f9ecda303799cb3be4f2.exe
Verdict:
Malicious activity
Analysis date:
2024-01-31 10:35:07 UTC
Tags:
dbatloader rat remcos remote
Link:
https://app.any.run/tasks/c49d1acd-4e0f-47c6-a8e0-010c2bf8e9a8

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
ModiLoader
Create hunting rule
Link:
https://www.capesandbox.com/analysis/473717/
Detection(s):
Win.Trojan.Sinowal-9756760-0
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
fingerprint hook keylogger masquerade modiloader packed remcos sinowal zusy
Link:
https://www.filescan.io/uploads/65ba2132bc91f83c8073c682/reports/052808cd-64f0-4257-9023-a1ca8478aa05/overview
Verdict:
Malicious
Labled as:
Zusy.Generic
Link:
https://www.hybrid-analysis.com/sample/d4b6ece4be9af66fcb3414c071c1f5f87b84e74a1374f9ecda303799cb3be4f2
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/f7329eba-66e2-4abb-98ae-de9059f48c6b
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/1383918
Signature
Allocates many large memory junks
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to inject code into remote processes
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
Early bird code injection technique detected
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Initial sample is a PE file and has a suspicious name
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sigma detected: Execution from Suspicious Folder
Sigma detected: New RUN Key Pointing to Suspicious Folder
Sigma detected: Remcos
Sigma detected: Suspicious Process Patterns NTDS.DIT Exfil
Sigma detected: Suspicious Program Location with Network Connections
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)
Uses an obfuscated file name to hide its real file extension (double extension)
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: 1383918 Sample: Abchina__Payment_Swift_Copy... Startdate: 31/01/2024 Architecture: WINDOWS Score: 100 42 remisat.com.uy 2->42 44 geoplugin.net 2->44 56 Multi AV Scanner detection for domain / URL 2->56 58 Found malware configuration 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 16 other signatures 2->62 8 Abchina__Payment_Swift_Copy_290123.pdf.scr.exe 1 2 2->8         started        13 Lgtavxai.PIF 2->13         started        15 Lgtavxai.PIF 2->15         started        signatures3 process4 dnsIp5 46 remisat.com.uy 192.254.232.209, 443, 49703, 49704 UNIFIEDLAYER-AS-1US United States 8->46 34 C:\Users\Public\Libraries\Lgtavxai.PIF, PE32 8->34 dropped 36 C:\Users\Public\Lgtavxai.url, MS 8->36 dropped 70 Early bird code injection technique detected 8->70 72 Drops PE files with a suspicious file extension 8->72 74 Allocates memory in foreign processes 8->74 76 Queues an APC in another process (thread injection) 8->76 17 SndVol.exe 3 13 8->17         started        78 Multi AV Scanner detection for dropped file 13->78 80 Machine Learning detection for dropped file 13->80 82 Allocates many large memory junks 13->82 21 SndVol.exe 13->21         started        23 colorcpl.exe 15->23         started        file6 signatures7 process8 dnsIp9 38 172.96.14.67, 49705, 49706, 9785 UNREAL-SERVERSUS Canada 17->38 40 geoplugin.net 178.237.33.50, 49707, 80 ATOM86-ASATOM86NL Netherlands 17->40 48 Contains functionality to bypass UAC (CMSTPLUA) 17->48 50 Tries to steal Mail credentials (via file registry) 17->50 52 Contains functionalty to change the wallpaper 17->52 54 6 other signatures 17->54 25 SndVol.exe 1 17->25         started        28 SndVol.exe 1 17->28         started        30 SndVol.exe 2 17->30         started        32 2 other processes 17->32 signatures10 process11 signatures12 64 Tries to steal Instant Messenger accounts or passwords 25->64 66 Tries to steal Mail credentials (via file / registry access) 25->66 68 Tries to harvest and steal browser information (history, passwords, etc) 28->68
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/d4b6ece4be9af66fcb3414c071c1f5f87b84e74a1374f9ecda303799cb3be4f2
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d4b6ece4be9af66fcb3414c071c1f5f87b84e74a1374f9ecda303799cb3be4f2/
Threat name:
Win32.Trojan.Remcos
Create hunting rule
Status:
Malicious
First seen:
2024-01-29 02:49:53 UTC
File Type:
PE (Exe)
Extracted files:
22
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2s3ozzf6tl3g7szuctahdqpv7b5yjz2kcn2pt3g2ga3ztsz34tza._file
Verdict:
malicious
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:modiloader family:remcos botnet:remotehost collection persistence rat trojan
Link:
https://tria.ge/reports/240131-mjtfqsbhhr/
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:
172.96.14.67:9785
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/d4b6ece4be9af66fcb3414c071c1f5f87b84e74a1374f9ecda303799cb3be4f2

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
Create hunting rule
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.

Malspam

RemcosRAT

Executable exe d4b6ece4be9af66fcb3414c071c1f5f87b84e74a1374f9ecda303799cb3be4f2

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/473717/

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