MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 48314117e5493bccb28e725127c549cfd413c643641bca8c3cf14ccf686638f8. 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: 18


Intelligence 18 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 48314117e5493bccb28e725127c549cfd413c643641bca8c3cf14ccf686638f8
SHA3-384 hash: 960e86f1a239dc0f6427d6fefae285e19ebe7529aa4a7608ba02774ba768fbfd741584ae60ad629eacdd6daae5aa8186
SHA1 hash: f8b3e907c5e94403211605c9efc40ccda7c77419
MD5 hash: e2682b8166bf641d20439a3dbbdb63b0
humanhash: lactose-lithium-lithium-magnesium
File name:e2682b8166bf641d20439a3dbbdb63b0.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:477'184 bytes
First seen:2022-08-17 06:46:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f9ee72c530e85b767a4ed3391690eadf (25 x RemcosRAT, 1 x Vjw0rm)
ssdeep 12288:efCa8/Vs8aGksOT3hysn1FrdhsfZyOUN:A7GVs8aGpO1FrdAZ7E
TLSH T198A4AE11BAD2C072D57165300D36EB76DABCBC3029354A7BB3D65D5BFE30180A72A6B2
TrID 40.3% (.EXE) Win64 Executable (generic) (10523/12/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4505/5/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
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 :
222
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
e2682b8166bf641d20439a3dbbdb63b0.exe
Verdict:
Malicious activity
Analysis date:
2022-08-17 06:51:49 UTC
Tags:
keylogger remcos
Link:
https://app.any.run/tasks/f1cabe95-3c58-485e-9e82-28a4b1b9588c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/299172/
Detection(s):
Win.Trojan.Remcos-9841897-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file
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
Launching a process
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/29175/overview
Behaviour
MalwareBazaar
MeasuringTime
CheckCmdLine
EvasionQueryPerformanceCounter
CheckMutex
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd.exe eventvwr.exe fingerprint greyware keylogger rat shell32.dll
Link:
https://www.filescan.io/uploads/62fc8f383cbb9456913c1a96/reports/b15ebea5-cef5-4d24-ac83-f58f94cfcbe8/overview
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.
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4f9aac12-9bfa-411e-b90c-120d2e24a36e
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1052856
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Deletes itself after installation
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 dropped file
Multi AV Scanner detection for submitted file
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 685372 Sample: z5MSd7CwK1.exe Startdate: 17/08/2022 Architecture: WINDOWS Score: 100 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for dropped file 2->45 47 Antivirus / Scanner detection for submitted sample 2->47 49 7 other signatures 2->49 9 z5MSd7CwK1.exe 5 5 2->9         started        13 PerfLog.exe 1 1 2->13         started        15 PerfLog.exe 1 1 2->15         started        17 PerfLog.exe 1 1 2->17         started        process3 file4 37 C:\ProgramData\Remcos\PerfLog.exe, PE32 9->37 dropped 39 C:\Users\user\AppData\Local\...\install.vbs, data 9->39 dropped 41 C:\...\PerfLog.exe:Zone.Identifier, ASCII 9->41 dropped 53 Contains functionality to steal Chrome passwords or cookies 9->53 55 Contains functionality to steal Firefox passwords or cookies 9->55 57 Delayed program exit found 9->57 19 wscript.exe 1 9->19         started        59 Writes to foreign memory regions 13->59 61 Maps a DLL or memory area into another process 13->61 22 iexplore.exe 13->22         started        24 iexplore.exe 15->24         started        26 iexplore.exe 17->26         started        signatures5 process6 signatures7 51 Deletes itself after installation 19->51 28 cmd.exe 1 19->28         started        process8 process9 30 PerfLog.exe 2 1 28->30         started        33 conhost.exe 28->33         started        signatures10 63 Antivirus detection for dropped file 30->63 65 Multi AV Scanner detection for dropped file 30->65 67 Machine Learning detection for dropped file 30->67 69 2 other signatures 30->69 35 iexplore.exe 30->35         started        process11
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/48314117e5493bccb28e725127c549cfd413c643641bca8c3cf14ccf686638f8/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2022-08-10 16:28:34 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jayucf7fje54zmuoojisprkjz7kbhrsdmqn4vdb46fgm62dghd4a._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:doctor persistence rat
Link:
https://tria.ge/reports/220817-hj7k5sehh5/
Behaviour
Modifies registry class
Suspicious behavior: MapViewOfSection
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:
185.222.58.111:5355
Unpacked files
SH256 hash:
48314117e5493bccb28e725127c549cfd413c643641bca8c3cf14ccf686638f8
MD5 hash:
e2682b8166bf641d20439a3dbbdb63b0
SHA1 hash:
f8b3e907c5e94403211605c9efc40ccda7c77419
Detections:
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/a8c6b899-58a7-4f22-be58-a12c6ad93895/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/48314117e549/report/overview.html
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/48314117e5493bccb28e725127c549cfd413c643641bca8c3cf14ccf686638f8

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
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:win_remcos_auto
Create hunting rule
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 48314117e5493bccb28e725127c549cfd413c643641bca8c3cf14ccf686638f8

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2273830/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/299172/

Comments