MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cd5de9645bcf37759921a67c205b215141ac17cc47281a159f2eada11e6f45ca. 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 4 File information Comments
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SHA256 hash: cd5de9645bcf37759921a67c205b215141ac17cc47281a159f2eada11e6f45ca
SHA3-384 hash: 19829ddf1b97d5d094c02bc28898fd2beb118b805172a7d36442bfc5a1a2784e004ab9238836211dab39ef999036979c
SHA1 hash: 07079f7f8ba3965042b8d4f665d74d2587563300
MD5 hash: 7e6fef3fa9dd8c30cc008589b0a70ad6
humanhash: snake-jersey-green-fifteen
File name:Invoice.GT872905.pdf.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:439'296 bytes
First seen:2024-11-06 19:30:16 UTC
Last seen:2024-11-07 08:36:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'743 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:O5dm2Gdz+WiLrCXXifndEqSn4i4fFBnvTctYj3ZuDRJl8nkSC6ao:2NVWSrCqndEqS4tBotYj3Zuctao
Threatray 4'365 similar samples on MalwareBazaar
TLSH T12E94A313FA678DA1C38A1737C5BF44148FB9D981E297E71F7D8E23A629037B66901207
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10522/11/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
File icon (PE):PE icon
dhash icon 071a18b3939b67d3 (22 x AgentTesla, 12 x Formbook, 3 x RemcosRAT)
Reporter TeamDreier
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
3
# of downloads :
419
Origin country :
DK DK
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
Invoice.GT872905.pdf.exe
Verdict:
Malicious activity
Analysis date:
2024-11-06 19:41:42 UTC
Tags:
rat remcos remote evasion mpress
Link:
https://app.any.run/tasks/b7d6dcc3-6d63-4c41-b473-b50beef13562

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.DropperX-gen.30473.17079.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=672bc4018d23d90491347609
Tags:
underscore powershell autorun lien
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the %AppData% directory
Restart of the analyzed sample
Creating a file
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a process with a hidden window
Creating a window
Running batch commands
Connection attempt
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Searching for synchronization primitives
Reading critical registry keys
Launching the default Windows debugger (dwwin.exe)
Query of malicious DNS domain
Connection attempt to an infection source
Sending a TCP request to an infection source
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade net_reactor packed
Link:
https://www.filescan.io/uploads/672bc4032a9506a8240b6b27/reports/0ea0c42c-0d22-4d7c-b264-3cccb8824e7d/overview
Verdict:
Malicious
Labled as:
Trojan.MSIL.Basic.4
Link:
https://www.hybrid-analysis.com/sample/cd5de9645bcf37759921a67c205b215141ac17cc47281a159f2eada11e6f45ca
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:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/506c464f-d7e4-4ccb-b575-e20c46004622
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1550555
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
AI detected suspicious sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
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
Detected Remcos RAT
Drops VBS files to the startup folder
Found malware configuration
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 dropped file
Multi AV Scanner detection for submitted file
Sample has a suspicious name (potential lure to open the executable)
Sigma detected: Drops script at startup location
Sigma detected: Remcos
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Double Extension File Execution
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected Remcos RAT
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1550555 Sample: Invoice.GT872905.pdf.exe Startdate: 06/11/2024 Architecture: WINDOWS Score: 100 70 remisat.com.uy 2->70 72 geoplugin.net 2->72 90 Suricata IDS alerts for network traffic 2->90 92 Found malware configuration 2->92 94 Malicious sample detected (through community Yara rule) 2->94 96 19 other signatures 2->96 12 Invoice.GT872905.pdf.exe 15 5 2->12         started        17 wscript.exe 2->17         started        19 remcos.exe 2->19         started        21 remcos.exe 2->21         started        signatures3 process4 dnsIp5 74 remisat.com.uy 192.254.232.209, 443, 49735, 49762 UNIFIEDLAYER-AS-1US United States 12->74 64 C:\Users\user\AppData\Roaming\webcam.exe, PE32 12->64 dropped 66 C:\Users\user\...\webcam.exe:Zone.Identifier, ASCII 12->66 dropped 68 C:\Users\user\AppData\Roaming\...\webcam.vbs, ASCII 12->68 dropped 112 Contains functionalty to change the wallpaper 12->112 114 Drops VBS files to the startup folder 12->114 116 Contains functionality to steal Chrome passwords or cookies 12->116 120 4 other signatures 12->120 23 Invoice.GT872905.pdf.exe 5 5 12->23         started        118 Windows Scripting host queries suspicious COM object (likely to drop second stage) 17->118 27 webcam.exe 17->27         started        29 remcos.exe 19->29         started        31 remcos.exe 21->31         started        file6 signatures7 process8 file9 58 C:\ProgramData\AppUpdate\remcos.exe, PE32 23->58 dropped 60 C:\Users\user\AppData\Local\...\install.vbs, data 23->60 dropped 62 C:\ProgramData\...\remcos.exe:Zone.Identifier, ASCII 23->62 dropped 98 Detected Remcos RAT 23->98 33 wscript.exe 1 23->33         started        100 Multi AV Scanner detection for dropped file 27->100 102 Machine Learning detection for dropped file 27->102 36 webcam.exe 27->36         started        signatures10 process11 signatures12 80 Windows Scripting host queries suspicious COM object (likely to drop second stage) 33->80 38 cmd.exe 1 33->38         started        82 Detected Remcos RAT 36->82 process13 process14 40 remcos.exe 14 2 38->40         started        43 conhost.exe 38->43         started        signatures15 104 Multi AV Scanner detection for dropped file 40->104 106 Tries to steal Mail credentials (via file registry) 40->106 108 Contains functionalty to change the wallpaper 40->108 110 2 other signatures 40->110 45 remcos.exe 3 14 40->45         started        process16 dnsIp17 76 212.162.149.226, 49777, 49784, 9285 UNREAL-SERVERSUS Netherlands 45->76 78 geoplugin.net 178.237.33.50, 49790, 80 ATOM86-ASATOM86NL Netherlands 45->78 122 Detected Remcos RAT 45->122 124 Maps a DLL or memory area into another process 45->124 49 remcos.exe 45->49         started        52 remcos.exe 45->52         started        54 remcos.exe 2 45->54         started        56 2 other processes 45->56 signatures18 process19 signatures20 84 Tries to steal Instant Messenger accounts or passwords 49->84 86 Tries to steal Mail credentials (via file / registry access) 49->86 88 Tries to harvest and steal browser information (history, passwords, etc) 52->88
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/cd5de9645bcf37759921a67c205b215141ac17cc47281a159f2eada11e6f45ca
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cd5de9645bcf37759921a67c205b215141ac17cc47281a159f2eada11e6f45ca/
Threat name:
ByteCode-MSIL.Trojan.Malgent
Create hunting rule
Status:
Malicious
First seen:
2024-11-06 13:16:02 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zvo6szc3z43xlgjbuz6cawzbkfa2yf6mi4ubufm7f2w2chtpixfa._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
31edb5c9a0590d100f941cfcb0c142abf141fba4a90c6bddb6c7fc59b4475f28
RemcosRAT
3ab2ca682019279e28525a8ff1a72e08badba1c0f3012f926bad1528b2b0944a
RemcosRAT
3c21819ed32b31c231e20b51b1f956e4160a7b8dbfe7468b096ce64b4b138007
RemcosRAT
4abdfcd240b09c5e1d8cd90d780c3db8f4f3d892be71d7b307d44051e0c15670
RemcosRAT
4b3b8c9037168a82409fbe027ecf77ba5b1b9262960b07dde8e15acfb1e3a5df
RemcosRAT
77d20c7a8b7bd53e099dc0bc93fe6ebd77af2888903659359bb275aa732885ea
RemcosRAT
a0a124777df35d015c84f61af9a8e4d0dba82120a30fa031b73b885a13d88214
RemcosRAT
error
RemcosRAT
fe800049d4ece336205fd83c50c747fc4f7f18e4cb2f2e80f37d0ec1700166d1
RemcosRAT
+ 4'355 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection discovery persistence rat spyware stealer
Link:
https://tria.ge/reports/241106-x8cvdsxapj/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
Checks computer location settings
Drops startup file
Executes dropped EXE
Reads user/profile data of web browsers
Remcos
Remcos family
Suspicious use of NtCreateUserProcessOtherParentProcess
Malware Config
C2 Extraction:
212.162.149.226:9285
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/eb82f15d-49fb-44b5-b67f-8445d96f9f31
Unpacked files
SH256 hash:
cd5de9645bcf37759921a67c205b215141ac17cc47281a159f2eada11e6f45ca
MD5 hash:
7e6fef3fa9dd8c30cc008589b0a70ad6
SHA1 hash:
07079f7f8ba3965042b8d4f665d74d2587563300
Link:
https://www.unpac.me/results/36331500-7e51-4b24-a08b-a0c597f6d929/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/cd5de9645bcf/report/overview.html
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:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
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.

Malspam

RemcosRAT

Executable exe cd5de9645bcf37759921a67c205b215141ac17cc47281a159f2eada11e6f45ca

(this sample)

  
Delivery method
Distributed via e-mail attachment

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 (GUARD_CF)high

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