MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 269546bd718741529021774e7032cf8da5075e2d18852ee0859c3c7a854f5950. 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: 19


Intelligence 19 IOCs YARA 9 File information Comments

SHA256 hash: 269546bd718741529021774e7032cf8da5075e2d18852ee0859c3c7a854f5950
SHA3-384 hash: bba2e309f3a56b1c86b0c04c32f86c229c443eebc3702b2aa528dc5018431ec1896fa55e1a72295eeb43f1fc3758b414
SHA1 hash: 461ece495d357885b8ab78341374d830ad88cb76
MD5 hash: a0c98858ea96edb2386c86e1786f3419
humanhash: pasta-mexico-mango-nineteen
File name:a0c98858ea96edb2386c86e1786f3419.exe
Download: download sample
Signature RemcosRAT
File size:480'768 bytes
First seen:2022-10-01 07:18:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 5d354883fe6f15fcf48045037a99fb7a (118 x RemcosRAT)
ssdeep 12288:Wmnk7iLJbpIpiRL6I2WhSKQ9ZsfZQSvn9:uiLJbpI7I2WhQqZ7v9
Threatray 1'960 similar samples on MalwareBazaar
TLSH T1C4A4AE02BAD2C072D57161344D2AE735DABDBC212835997BB3E61D5BFD30180A73A7B2
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 abuse_ch
Tags:exe RAT RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
273
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
269546bd718741529021774e7032cf8da5075e2d18852ee0859c3c7a854f5950.exe
Verdict:
Malicious activity
Analysis date:
2022-10-01 10:09:10 UTC
Tags:
keylogger remcos

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

Behaviour
Сreating synchronization primitives
Creating a file
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
Running batch commands
Setting a keyboard event handler
Launching a process
DNS request
Sending an HTTP GET request
Reading critical registry keys
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Sending a TCP request to an infection source
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
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:
rans.phis.troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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
Deletes itself after installation
Detected unpacking (changes PE section rights)
Found evasive API chain (may stop execution after checking mutex)
Installs a global keyboard hook
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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)
Writes to foreign memory regions
Yara detected Remcos RAT
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 713947 Sample: xV97kUdfEF.exe Startdate: 01/10/2022 Architecture: WINDOWS Score: 100 52 Multi AV Scanner detection for domain / URL 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Antivirus detection for URL or domain 2->56 58 7 other signatures 2->58 9 xV97kUdfEF.exe 5 5 2->9         started        13 remcos.exe 2->13         started        15 remcos.exe 2->15         started        17 remcos.exe 2->17         started        process3 file4 40 C:\ProgramData\Firefox\remcos.exe, PE32 9->40 dropped 42 C:\Users\user\AppData\Local\...\install.vbs, data 9->42 dropped 44 C:\ProgramData\...\remcos.exe:Zone.Identifier, ASCII 9->44 dropped 70 Contains functionalty to change the wallpaper 9->70 72 Contains functionality to steal Chrome passwords or cookies 9->72 74 Contains functionality to steal Firefox passwords or cookies 9->74 76 Delayed program exit found 9->76 19 wscript.exe 1 9->19         started        signatures5 process6 signatures7 60 Deletes itself after installation 19->60 22 cmd.exe 1 19->22         started        process8 process9 24 remcos.exe 3 18 22->24         started        28 conhost.exe 22->28         started        dnsIp10 48 elew3le3lanle.freeddns.org 77.73.134.40, 20309, 49699, 49700 FIBEROPTIXDE Kazakhstan 24->48 50 geoplugin.net 178.237.33.50, 49703, 80 ATOM86-ASATOM86NL Netherlands 24->50 62 Antivirus detection for dropped file 24->62 64 Multi AV Scanner detection for dropped file 24->64 66 Detected unpacking (changes PE section rights) 24->66 68 5 other signatures 24->68 30 svchost.exe 24->30         started        33 remcos.exe 1 24->33         started        35 remcos.exe 1 24->35         started        37 27 other processes 24->37 signatures11 process12 dnsIp13 78 Found evasive API chain (may stop execution after checking mutex) 30->78 80 Contains functionalty to change the wallpaper 30->80 82 Contains functionality to steal Chrome passwords or cookies 30->82 90 2 other signatures 30->90 84 Tries to steal Instant Messenger accounts or passwords 33->84 86 Tries to steal Mail credentials (via file / registry access) 33->86 46 192.168.2.1 unknown unknown 37->46 88 Tries to harvest and steal browser information (history, passwords, etc) 37->88 signatures14
Threat name:
Win32.Trojan.Remcos
Status:
Malicious
First seen:
2022-10-01 01:19:30 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:firefox persistence rat
Behaviour
Modifies registry class
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Deletes itself
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
elew3le3lanle.freeddns.org:20309
Unpacked files
SH256 hash:
269546bd718741529021774e7032cf8da5075e2d18852ee0859c3c7a854f5950
MD5 hash:
a0c98858ea96edb2386c86e1786f3419
SHA1 hash:
461ece495d357885b8ab78341374d830ad88cb76
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_EXE_Packed_MPress
Author:ditekSHen
Description:Detects executables built or packed with MPress PE compressor
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
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.

Web download

RemcosRAT

Executable exe 269546bd718741529021774e7032cf8da5075e2d18852ee0859c3c7a854f5950

(this sample)

  
Delivery method
Distributed via web download

Comments