MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb120a4aefe9444c5322237d02fdf2a73de09087f31a3216f7bb4f2c14bb876c. 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: 11


Intelligence 11 IOCs YARA 10 File information Comments

SHA256 hash: fb120a4aefe9444c5322237d02fdf2a73de09087f31a3216f7bb4f2c14bb876c
SHA3-384 hash: bd38896ee5a4cb1f94383d951cd943390269d46e7b53c831cd4e3da563ab351e3f243f427820daca6fc31f2fb5d9cb66
SHA1 hash: e00d69ebe68a0ee2dbac021ee8acb66295958eea
MD5 hash: 98013f30837f3e08cbc292ecb84690e6
humanhash: oregon-maryland-april-johnny
File name:Bank_Payment_Copy-0017HH7FH85HDY3.exe
Download: download sample
Signature RemcosRAT
File size:817'152 bytes
First seen:2021-05-20 06:47:40 UTC
Last seen:2021-05-20 07:03:14 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 24576:kB3AGzeO7Sh7nGvKWzJWzv9bn2KCQHK2CPC:q3AGzeO7Jg9bn2r32CPC
Threatray 233 similar samples on MalwareBazaar
TLSH 4205F12333A8EBA4E1BEAB759061251053F2F126E735DE0D2DA8509D0575FC48BE2F83
Reporter GovCERT_CH
Tags:RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
107
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Bank_Payment_Copy-0017HH7FH85HDY3.exe
Verdict:
Malicious activity
Analysis date:
2021-05-20 06:51:07 UTC
Tags:
rat remcos

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

Behaviour
Creating a window
Sending a UDP request
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.
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
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 dropped file
Multi AV Scanner detection for submitted file
Sample uses process hollowing technique
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 418247 Sample: Bank_Payment_Copy-0017HH7FH... Startdate: 20/05/2021 Architecture: WINDOWS Score: 100 37 www.anbritz.com 2->37 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Multi AV Scanner detection for dropped file 2->47 49 10 other signatures 2->49 8 Bank_Payment_Copy-0017HH7FH85HDY3.exe 7 2->8         started        signatures3 process4 file5 29 C:\Users\user\AppData\Roaming\rCRFpZ.exe, PE32 8->29 dropped 31 C:\Users\user\...\rCRFpZ.exe:Zone.Identifier, ASCII 8->31 dropped 33 C:\Users\user\AppData\Local\...\tmpA490.tmp, XML 8->33 dropped 35 Bank_Payment_Copy-...HH7FH85HDY3.exe.log, ASCII 8->35 dropped 51 Uses schtasks.exe or at.exe to add and modify task schedules 8->51 53 Writes to foreign memory regions 8->53 55 Allocates memory in foreign processes 8->55 57 3 other signatures 8->57 12 vbc.exe 8->12         started        15 powershell.exe 24 8->15         started        17 powershell.exe 24 8->17         started        19 2 other processes 8->19 signatures6 process7 dnsIp8 39 www.anbritz.com 185.140.53.230, 2555, 49683, 49684 DAVID_CRAIGGG Sweden 12->39 41 192.168.2.1 unknown unknown 12->41 21 conhost.exe 15->21         started        23 conhost.exe 17->23         started        25 conhost.exe 19->25         started        27 conhost.exe 19->27         started        process9
Threat name:
ByteCode-MSIL.Trojan.Pwsx
Status:
Malicious
First seen:
2021-05-20 01:20:05 UTC
AV detection:
5 of 47 (10.64%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos rat
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Uses the VBS compiler for execution
Remcos
Malware Config
C2 Extraction:
www.anbritz.com:2555
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:Keylog_bin_mem
Author:James_inthe_box
Description:Contains Keylog
Rule name:Parallax
Author:@bartblaze
Description:Identifies Parallax RAT.
Rule name:pe_imphash
Rule name:remcos_rat
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Rule name:Skystars_Malware_Imphash
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 fb120a4aefe9444c5322237d02fdf2a73de09087f31a3216f7bb4f2c14bb876c

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments