MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31edb5c9a0590d100f941cfcb0c142abf141fba4a90c6bddb6c7fc59b4475f28. 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: 16


Intelligence 16 IOCs YARA 8 File information Comments

SHA256 hash: 31edb5c9a0590d100f941cfcb0c142abf141fba4a90c6bddb6c7fc59b4475f28
SHA3-384 hash: 7dc5f6bfc031dfcc1c7903b5790e6754458282225a56f1e82cf1ea050f1557bd9b8e30dc8c71933c3b90c651e925e33c
SHA1 hash: 505dee76e798b055c18ed35b6f693da28ea3c26c
MD5 hash: fff088e23aa4db91797df9dcb02ef946
humanhash: fillet-twenty-yankee-friend
File name:remcos.exe
Download: download sample
Signature RemcosRAT
File size:480'768 bytes
First seen:2022-09-28 07:04:40 UTC
Last seen:2022-11-02 12:59:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 5d354883fe6f15fcf48045037a99fb7a (118 x RemcosRAT)
ssdeep 12288:Wmnk7iLJbpIpiRL6I2WhSKQ9ZsfZQSan9:uiLJbpI7I2WhQqZ7a9
Threatray 2'156 similar samples on MalwareBazaar
TLSH T118A4AE02BAD2C072D57161344D2AE735DABDBC212835997BB3E61D5BFD30180A73A7B2
TrID 32.2% (.EXE) Win64 Executable (generic) (10523/12/4)
20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
13.7% (.EXE) Win32 Executable (generic) (4505/5/1)
6.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon c4d48eaa8ad4d4f8 (1'000 x RemcosRAT, 1 x Worm.Ramnit, 1 x Vjw0rm)
Reporter 0xToxin
Tags:exe mandingo-dvrlists-com RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
260
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Unauthorized injection to a recently created process
Reading critical registry keys
Creating a file in the %temp% directory
Sending a custom TCP request
Query of malicious DNS domain
Sending a TCP request to an infection source
Stealing user critical data
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Behaviour
MalwareBazaar
MeasuringTime
EvasionQueryPerformanceCounter
CheckCmdLine
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd.exe eventvwr.exe fingerprint greyware keylogger rat shell32.dll
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:
phis.troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Changes security center settings (notifications, updates, antivirus, firewall)
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Delayed program exit found
Detected unpacking (changes PE section rights)
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 submitted file
Sample uses process hollowing technique
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)
Yara detected Remcos RAT
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Remcos
Status:
Malicious
First seen:
2022-09-28 07:05:12 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
24 of 25 (96.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:sweep collection spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Reads user/profile data of web browsers
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Malware Config
C2 Extraction:
mandingo.dvrlists.com:10171
Unpacked files
SH256 hash:
31edb5c9a0590d100f941cfcb0c142abf141fba4a90c6bddb6c7fc59b4475f28
MD5 hash:
fff088e23aa4db91797df9dcb02ef946
SHA1 hash:
505dee76e798b055c18ed35b6f693da28ea3c26c
Detections:
win_remcos_auto
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_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:RansomwareTest4
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:RansomwareTest5
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:RansomwareTest6
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:RansomwareTest7
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:Remcos
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Rule name:win_remcos_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.

File information


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

Comments