MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 532156143b3090b5036a00550bcd98e05d7805ccbbeb2170ae26888d626a64ac. 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 1 YARA 10 File information Comments

SHA256 hash: 532156143b3090b5036a00550bcd98e05d7805ccbbeb2170ae26888d626a64ac
SHA3-384 hash: d68f3d23a3bf9c58eeb4a698c1bbc60a1fb55dac76767a1ba6d694e5a957670e7d2087ed5a1d781723bd8000c5f13b56
SHA1 hash: 0c613f6efb7a45637545e946dae905751361821b
MD5 hash: 01d7130213e93b5f7dc328439f3f426f
humanhash: california-mango-victor-fourteen
File name:EXTRACTOSERFINANZA596054271198721911813685868.exe
Download: download sample
Signature RemcosRAT
File size:135'680 bytes
First seen:2021-04-18 23:40:30 UTC
Last seen:2021-04-19 01:27:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'455 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 1536:iU6UyRlZosxdmxPjaoTvorlis7UEQ52jhTgConmS1111PRSI8Y5RM54xIRfzKs3e:iXlxdmhmlPQ529TgeS1111PR6s1H
Threatray 1'709 similar samples on MalwareBazaar
TLSH E9D36B97FA841A65DC361CB748364174873BDEE82D15C6068AEC7F5A3E22CC76972073
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
186.169.74.198:3521

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
186.169.74.198:3521 https://threatfox.abuse.ch/ioc/8917/

Intelligence


File Origin
# of uploads :
2
# of downloads :
138
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
EXTRACTOSERFINANZA596054271198721911813685868.exe
Verdict:
Malicious activity
Analysis date:
2021-04-18 23:44:13 UTC
Tags:
trojan dtloader loader rat remcos keylogger

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sending an HTTP GET request
Creating a file
Sending a UDP request
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
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
Deleting a recently created file
Running batch commands
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
Setting a global event handler for the keyboard
Sending a TCP request to an infection source
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:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to capture and log keystrokes
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Detected Remcos RAT
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)
Sigma detected: Remcos
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 391809 Sample: EXTRACTOSERFINANZA596054271... Startdate: 19/04/2021 Architecture: WINDOWS Score: 100 61 Found malware configuration 2->61 63 Malicious sample detected (through community Yara rule) 2->63 65 Detected Remcos RAT 2->65 67 4 other signatures 2->67 10 EXTRACTOSERFINANZA596054271198721911813685868.exe 15 4 2->10         started        15 PxxoServicesTrialNet1.exe 2 2->15         started        17 PxxoServicesTrialNet1.exe 2 2->17         started        process3 dnsIp4 51 mmwrlridbhmibnr.ml 172.67.220.147, 49732, 80 CLOUDFLARENETUS United States 10->51 47 EXTRACTOSERFINANZA...11813685868.exe.log, ASCII 10->47 dropped 69 Contains functionality to steal Chrome passwords or cookies 10->69 71 Contains functionality to capture and log keystrokes 10->71 73 Contains functionality to inject code into remote processes 10->73 75 Contains functionality to steal Firefox passwords or cookies 10->75 19 EXTRACTOSERFINANZA596054271198721911813685868.exe 4 5 10->19         started        77 Injects a PE file into a foreign processes 15->77 22 PxxoServicesTrialNet1.exe 15->22         started        24 PxxoServicesTrialNet1.exe 15->24         started        26 PxxoServicesTrialNet1.exe 17->26         started        file5 signatures6 process7 file8 43 C:\Users\user\...\PxxoServicesTrialNet1.exe, PE32 19->43 dropped 45 PxxoServicesTrialN...exe:Zone.Identifier, ASCII 19->45 dropped 28 wscript.exe 1 19->28         started        process9 process10 30 cmd.exe 1 28->30         started        process11 32 PxxoServicesTrialNet1.exe 3 30->32         started        36 conhost.exe 30->36         started        file12 41 C:\Users\...\PxxoServicesTrialNet1.exe.log, ASCII 32->41 dropped 53 Machine Learning detection for dropped file 32->53 55 Contains functionality to steal Chrome passwords or cookies 32->55 57 Contains functionality to capture and log keystrokes 32->57 59 Contains functionality to steal Firefox passwords or cookies 32->59 38 PxxoServicesTrialNet1.exe 2 4 32->38         started        signatures13 process14 dnsIp15 49 databasepropersonombrecomercialideasearchwords.services 186.169.74.198, 3521, 49747 COLOMBIATELECOMUNICACIONESSAESPCO Colombia 38->49
Gathering data
Result
Malware family:
Score:
  10/10
Tags:
family:remcos persistence rat
Behaviour
Modifies registry class
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
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
databasepropersonombrecomercialideasearchwords.services:3521
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:ach_RemcosRAT
Author:abuse.ch
Rule name:Chrome_stealer_bin_mem
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:Keylog_bin_mem
Author:James_inthe_box
Description:Contains Keylog
Rule name:Parallax
Author:@bartblaze
Description:Identifies Parallax RAT.
Rule name:Remcos
Author:JPCERT/CC Incident Response Group
Description:detect Remcos in memory
Rule name:remcos_rat
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Rule name:win_remcos_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information


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

Comments