MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e791665f9df5d4bef5c9b73cecbdf0ee973e41fba533b8dd76d4c60e5b19d2d1. 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: 17


Intelligence 17 IOCs YARA 7 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e791665f9df5d4bef5c9b73cecbdf0ee973e41fba533b8dd76d4c60e5b19d2d1
SHA3-384 hash: 83855218a29eda27ec76c4d5f600cf009e53b0639e05bcc4dad1de7c9e6ee1132e958080da5ea072d630f45c1ba15bee
SHA1 hash: 0638b06d7bb8677324a41f35515168f3e3d08f2e
MD5 hash: 9d246f5e01f060fe08c2f15d4e8a58e0
humanhash: fourteen-wisconsin-timing-comet
File name:9d246f5e01f060fe08c2f15d4e8a58e0
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'078'280 bytes
First seen:2024-11-06 14:28:54 UTC
Last seen:2024-11-06 16:50:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:RICXwSqZVrMrldw2KP7G3dhzEH4RiIaot1mw:OHSmrSPw2BdWH4RiRot19
Threatray 4'572 similar samples on MalwareBazaar
TLSH T14D35CEC03A367B19DEB95BF28919DD7103B12A687415FAE25EDEB7C73489B015A08F03
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
376
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO-54752454235.hta
Verdict:
Malicious activity
Analysis date:
2024-11-06 08:03:27 UTC
Tags:
loader
Link:
https://app.any.run/tasks/fc9b0bde-dae8-4e7f-a465-924de50d6a29

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.2210.7141.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=672b7d408d23d90491345208
Tags:
powershell injection exploit virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Restart of the analyzed sample
Creating a file
Creating a process from a recently created file
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/672b7d332a9506a8240b5d96/reports/28ab0a18-76e8-47cc-867d-6c5090a8627a/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/e791665f9df5d4bef5c9b73cecbdf0ee973e41fba533b8dd76d4c60e5b19d2d1
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:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/01a25def-308a-4ff2-9f35-4c4c58a4ee61
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1550238
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
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
Creates autostart registry keys with suspicious names
Delayed program exit found
Detected Remcos RAT
Found malware configuration
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
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: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Remcos
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Suspect Svchost Activity
Suricata IDS alerts for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1550238 Sample: 2CUvvDyapb.exe Startdate: 06/11/2024 Architecture: WINDOWS Score: 100 106 Suricata IDS alerts for network traffic 2->106 108 Found malware configuration 2->108 110 Malicious sample detected (through community Yara rule) 2->110 112 11 other signatures 2->112 11 2CUvvDyapb.exe 7 2->11         started        15 uXVGwksuXiVBy.exe 5 2->15         started        17 remcos.exe 2->17         started        19 remcos.exe 2->19         started        process3 file4 84 C:\Users\user\AppData\...\uXVGwksuXiVBy.exe, PE32 11->84 dropped 86 C:\...\uXVGwksuXiVBy.exe:Zone.Identifier, ASCII 11->86 dropped 88 C:\Users\user\AppData\Local\...\tmp9AE1.tmp, XML 11->88 dropped 90 C:\Users\user\AppData\...\2CUvvDyapb.exe.log, ASCII 11->90 dropped 136 Contains functionality to bypass UAC (CMSTPLUA) 11->136 138 Contains functionalty to change the wallpaper 11->138 140 Contains functionality to steal Chrome passwords or cookies 11->140 148 5 other signatures 11->148 21 2CUvvDyapb.exe 2 4 11->21         started        25 powershell.exe 23 11->25         started        27 powershell.exe 23 11->27         started        29 schtasks.exe 1 11->29         started        142 Multi AV Scanner detection for dropped file 15->142 144 Machine Learning detection for dropped file 15->144 146 Injects a PE file into a foreign processes 15->146 31 uXVGwksuXiVBy.exe 15->31         started        33 schtasks.exe 15->33         started        35 remcos.exe 17->35         started        37 schtasks.exe 17->37         started        39 2 other processes 19->39 signatures5 process6 file7 80 C:\ProgramData\Remcos\remcos.exe, PE32 21->80 dropped 82 C:\ProgramData\...\remcos.exe:Zone.Identifier, ASCII 21->82 dropped 114 Detected Remcos RAT 21->114 116 Creates autostart registry keys with suspicious names 21->116 41 remcos.exe 21->41         started        118 Loading BitLocker PowerShell Module 25->118 44 conhost.exe 25->44         started        46 conhost.exe 27->46         started        48 conhost.exe 29->48         started        50 conhost.exe 33->50         started        52 conhost.exe 37->52         started        54 conhost.exe 39->54         started        signatures8 process9 signatures10 120 Multi AV Scanner detection for dropped file 41->120 122 Machine Learning detection for dropped file 41->122 124 Adds a directory exclusion to Windows Defender 41->124 126 Injects a PE file into a foreign processes 41->126 56 remcos.exe 41->56         started        60 powershell.exe 41->60         started        62 powershell.exe 41->62         started        64 schtasks.exe 41->64         started        process11 dnsIp12 92 66.63.162.79, 2404, 49739, 49740 ASN-QUADRANET-GLOBALUS United States 56->92 128 Detected Remcos RAT 56->128 130 Writes to foreign memory regions 56->130 132 Maps a DLL or memory area into another process 56->132 66 svchost.exe 56->66         started        134 Loading BitLocker PowerShell Module 60->134 68 conhost.exe 60->68         started        70 conhost.exe 62->70         started        72 conhost.exe 64->72         started        signatures13 process14 process15 74 chrome.exe 66->74         started        dnsIp16 94 192.168.2.4, 138, 2404, 443 unknown unknown 74->94 96 192.168.2.7 unknown unknown 74->96 98 239.255.255.250 unknown Reserved 74->98 77 chrome.exe 74->77         started        process17 dnsIp18 100 s-part-0017.t-0009.t-msedge.net 13.107.246.45, 443, 49766, 49771 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 77->100 102 s-part-0017.t-0009.fb-t-msedge.net 13.107.253.45, 443, 49767, 49772 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 77->102 104 9 other IPs or domains 77->104
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/e791665f9df5d4bef5c9b73cecbdf0ee973e41fba533b8dd76d4c60e5b19d2d1
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e791665f9df5d4bef5c9b73cecbdf0ee973e41fba533b8dd76d4c60e5b19d2d1/
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2024-11-05 09:39:30 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=46iwmx456xkl55ojw46ozppq52lt4qp3uuz3rxlw2tda4wyz2liq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
unknown_loader_037
Create hunting rule
Similar samples:
2228ca29a78a9e1f0c43f739e7c3e219ad8523d9bc29ba1cdbfa176afb0a4034
RemcosRAT
2361c17c4b1dd719f9546f08486daad02c3369224abca66161bbd8839ea7b6da
RemcosRAT
5e979880469bfba9dc9b850ed945530fc277fcbdd96227661972c89e700ecd1e
RemcosRAT
63ac85fa66152f936244088e40eb124a6888336a4508f8d3d63d818ad30e4280
RemcosRAT
ab8953a3cb88e1a5f5416f535c8857eba7062a741a527f7fed5274802d90d4f7
RemcosRAT
e62061d984fda6be6d10edf1131454a5c81ead30c4440a75bd3ba80b1b83b099
RemcosRAT
error
RemcosRAT
+ 4'562 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost discovery execution persistence rat
Link:
https://tria.ge/reports/241106-rtkzka1lex/
Behaviour
Enumerates system info in registry
Modifies registry class
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Remcos
Remcos family
Malware Config
C2 Extraction:
66.63.162.79:2404
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/e466c034-e7ce-4bc9-a3e4-a32e97e8acc5
Unpacked files
SH256 hash:
5d0abdacdc2739112a2fd6475b24f3325434405c5d31ca281b36eb7eafb990cc
MD5 hash:
e150f9e9f8f595678ef3a93a5abd6334
SHA1 hash:
9b7cf63325996175cdd29775e7eb5106329bd4e3
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/7327f9a7-3a18-4739-919d-9c77f36d669f/
SH256 hash:
71ded674018176d5aca9bb14bb00b7bd76d080b7c8815d89ccaefcafc15420f1
MD5 hash:
d57a3dd644ddbd248101b214b49809bb
SHA1 hash:
5b209b8f1a6807eca1e52fb67554976d2775c3f0
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
win_remcos_w0
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
win_remcos_rat_unpacked
Create hunting rule
Link:
https://www.unpac.me/results/7327f9a7-3a18-4739-919d-9c77f36d669f/
Parent samples :
46f651c4920210777b0ba07daded16116fe92eacf759020b8e79cb9244c48e93
e791665f9df5d4bef5c9b73cecbdf0ee973e41fba533b8dd76d4c60e5b19d2d1
SH256 hash:
c22382cb8cca1f45906667bee8c46f01e8d7990d2fbc3946ebfd699852e4da3a
MD5 hash:
e4dd43b73b94ce0e8dda12661342f3dc
SHA1 hash:
0bf996b73c76d5e5403cca3b9903c6bbf81d64ea
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/7327f9a7-3a18-4739-919d-9c77f36d669f/
SH256 hash:
e791665f9df5d4bef5c9b73cecbdf0ee973e41fba533b8dd76d4c60e5b19d2d1
MD5 hash:
9d246f5e01f060fe08c2f15d4e8a58e0
SHA1 hash:
0638b06d7bb8677324a41f35515168f3e3d08f2e
Link:
https://www.unpac.me/results/7327f9a7-3a18-4739-919d-9c77f36d669f/
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:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

RemcosRAT

Executable exe e791665f9df5d4bef5c9b73cecbdf0ee973e41fba533b8dd76d4c60e5b19d2d1

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3278913/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments


Avatar
zbet commented on 2024-11-06 14:28:55 UTC

url : hxxp://185.196.11.151/idja/xKtzvdEoDAjLmvN.exe