MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1689d0006367c0a87e65596e1f7465b54bd624dc96c8d8169e46a833bb1b1e41. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1689d0006367c0a87e65596e1f7465b54bd624dc96c8d8169e46a833bb1b1e41
SHA3-384 hash: 5eaf79a257f3aceec34ae6c5fd1b03f8a76e6fe154be5a9f9b53836fb50baf63b790a1a92067a24f132ae63ca707b8d7
SHA1 hash: c0cf3908665b35bb21916551f263832ed2749855
MD5 hash: 3e065421d91460d81d2ed80c5066a185
humanhash: cat-nebraska-william-romeo
File name:Factura Serfinanza_061021894_032154_8563306871530316447_4804754_0967365108388214519683_27928395_pdf.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:5'116'928 bytes
First seen:2021-05-25 06:17:13 UTC
Last seen:2021-05-25 07:07:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 384:KddYMjTDJqCOqr2vVU9sq41xlNSDaXp5XNhSi5Iqe8kmuvm+BJd+C5c+Ui55SAfg:02MTJ7dr2mqxlxp5dhst8VFsyB
Threatray 252 similar samples on MalwareBazaar
TLSH F636EB604928082FA7E8E2053263C516E8EC4E7FD1E5706F55BEE8C4DC4B4BB68971BD
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
120
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/161623/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.ABCK.14546.4792.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Creating a process with a hidden window
Launching a service
Deleting a recently created file
Launching a process
Launching cmd.exe command interpreter
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Creating a file
Creating a window
Running batch commands
Setting a keyboard event handler
DNS request
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Blocking the User Account Control
Unauthorized injection to a recently created process by context flags manipulation
Connection attempt to an infection source
Adding exclusions to Windows Defender
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/792092
Signature
.NET source code contains very large strings
Adds a directory exclusion to Windows Defender
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
Contains functionalty to change the wallpaper
Delayed program exit found
Detected Remcos RAT
Found malware configuration
Initial sample is a PE file and has a suspicious name
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)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: WScript or CScript Dropper
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 424490 Sample: 8395_pdf.exe Startdate: 25/05/2021 Architecture: WINDOWS Score: 100 71 Multi AV Scanner detection for domain / URL 2->71 73 Found malware configuration 2->73 75 Malicious sample detected (through community Yara rule) 2->75 77 8 other signatures 2->77 11 8395_pdf.exe 6 7 2->11         started        15 PxxoServicesTrialNet48.exe 2->15         started        17 PxxoServicesTrialNet48.exe 2->17         started        process3 file4 59 C:\Users\user\AppData\...\8395_pdf.exe.log, ASCII 11->59 dropped 61 C:\Users\user\AppData\...\AdvancedRun.exe, PE32 11->61 dropped 79 Contains functionalty to change the wallpaper 11->79 81 Contains functionality to steal Chrome passwords or cookies 11->81 83 Contains functionality to inject code into remote processes 11->83 87 3 other signatures 11->87 19 8395_pdf.exe 11->19         started        22 powershell.exe 26 11->22         started        24 AdvancedRun.exe 1 11->24         started        29 2 other processes 11->29 63 C:\Users\user\AppData\...\AdvancedRun.exe, PE32 15->63 dropped 85 Injects a PE file into a foreign processes 15->85 26 AdvancedRun.exe 15->26         started        65 C:\Users\user\AppData\...\AdvancedRun.exe, PE32 17->65 dropped signatures5 process6 dnsIp7 55 C:\Users\user\...\PxxoServicesTrialNet48.exe, PE32 19->55 dropped 57 PxxoServicesTrialN...exe:Zone.Identifier, ASCII 19->57 dropped 31 wscript.exe 19->31         started        33 cmd.exe 19->33         started        35 conhost.exe 22->35         started        37 AdvancedRun.exe 24->37         started        69 192.168.2.1 unknown unknown 26->69 file8 process9 process10 39 cmd.exe 31->39         started        41 conhost.exe 33->41         started        43 reg.exe 33->43         started        process11 45 PxxoServicesTrialNet48.exe 39->45         started        49 conhost.exe 39->49         started        file12 67 C:\Users\user\AppData\...\AdvancedRun.exe, PE32 45->67 dropped 89 Multi AV Scanner detection for dropped file 45->89 91 Machine Learning detection for dropped file 45->91 51 AdvancedRun.exe 45->51         started        signatures13 process14 process15 53 AdvancedRun.exe 51->53         started       
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1689d0006367c0a87e65596e1f7465b54bd624dc96c8d8169e46a833bb1b1e41/
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-05-25 06:18:09 UTC
AV detection:
8 of 46 (17.39%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=c2e5aaddm7akq7tflfxb65dfwvf5mjg4s3enqfu6i2udhoy3dzaq._file
Verdict:
malicious
Similar samples:
0db50b639d859d3ddf9aa74f96d12f7ecb189a0b3006a7ed1cfd73edbc34d220
RemcosRAT
2e10edfbe7c4a7c9220db55d3c6f921262366908277a5483ff0faf5579e194f4
RemcosRAT
3f0fa5c8ebb2640afc948bfd5c8bb0ba644222b3bc15c095085d718843d59915
RemcosRAT
78baec19444d923fde30977dacb85fada9247b9e3ae150f32a1137e7fc0b8dfb
RemcosRAT
9c6abdf1e5ff719e261ea153555b981cd907ba5f79f50943d679d59967eba445
RemcosRAT
ae6d4b4b89654fbd35c69c05a85fd4a2b84edd7091ffe372f4ba7115c2b8fbf8
RemcosRAT
c3528956666ac901c406c13e9b265cb805424e91919db91a1fe2227ffbc15c7a
RemcosRAT
c7ce97bf28191b9f81871421f7f6fea0c86fca516d3e8706e16c0f07e9e7ed5b
RemcosRAT
ca146513d9ec6ec60b81b20fd9aa2f262c54d447e8361417c3c4b7678e51e6a5
RemcosRAT
e9573722d616d444c71e82f1ac6973921f3c942af4403760e0292b3ebf9159b0
RemcosRAT
+ 242 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos evasion persistence rat trojan
Link:
https://tria.ge/reports/210525-b4ckqjqbjx/
Behaviour
Modifies registry class
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Windows security modification
Executes dropped EXE
Nirsoft
Modifies Windows Defender Real-time Protection settings
Remcos
Turns off Windows Defender SpyNet reporting
UAC bypass
Windows security bypass
Malware Config
C2 Extraction:
databasepropersonombrecomercialideasearchwords.services:3522
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/1689d0006367c0a87e65596e1f7465b54bd624dc96c8d8169e46a833bb1b1e41

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_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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 1689d0006367c0a87e65596e1f7465b54bd624dc96c8d8169e46a833bb1b1e41

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/161623/

Comments