MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bd88a8e4487129f6545e17ca21c82b24f56944b4e25ca2f62a4a21a5dea137af. 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 5 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bd88a8e4487129f6545e17ca21c82b24f56944b4e25ca2f62a4a21a5dea137af
SHA3-384 hash: 053ed2b3d5392482e1ef112a13818fb9df423b2c6e69ba23f7eb5f2daa2701d141b9bd7ad711dc13171c6f56691e0749
SHA1 hash: d2d12949c1d093d212f16455469a41ab23dd0af3
MD5 hash: ea293e4f1a17333ec0600ceef32b6ffd
humanhash: november-delaware-massachusetts-alaska
File name:ea293e4f1a17333ec0600ceef32b6ffd
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:480'256 bytes
First seen:2022-09-13 18:28:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 5d354883fe6f15fcf48045037a99fb7a (118 x RemcosRAT)
ssdeep 12288:Ymnk7iLJbpIpiRL6I2WhSKQ9ZsfZQS9n9:IiLJbpI7I2WhQqZ799
TLSH T12CA4AE02BAD2C072D57121344D2AE775DABDBC212835997BB3E61D5BFD30180A73A7B2
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 zbetcheckin
Tags:32 exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
347
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/309821/
Detection(s):
Win.Trojan.Remcos-9841897-0
Create hunting rule

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
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/37580/overview
Behaviour
MalwareBazaar
MeasuringTime
EvasionQueryPerformanceCounter
CheckCmdLine
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/6320cc4c66ac326512413b96/reports/cfc9418c-e9c2-4106-8588-0fe8863357b1/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/e2123ed1-33c1-440d-8721-aa7ab58c0118
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1069821
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
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: 702352 Sample: B2ubs3rSzm.exe Startdate: 13/09/2022 Architecture: WINDOWS Score: 100 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus detection for dropped file 2->44 46 Antivirus / Scanner detection for submitted sample 2->46 48 7 other signatures 2->48 9 B2ubs3rSzm.exe 5 5 2->9         started        13 station.exe 1 1 2->13         started        15 station.exe 1 1 2->15         started        17 station.exe 1 1 2->17         started        process3 file4 36 C:\ProgramData\station\station.exe, PE32 9->36 dropped 38 C:\Users\user\AppData\Local\...\install.vbs, data 9->38 dropped 40 C:\...\station.exe:Zone.Identifier, ASCII 9->40 dropped 50 Contains functionality to steal Chrome passwords or cookies 9->50 52 Contains functionality to steal Firefox passwords or cookies 9->52 54 Delayed program exit found 9->54 19 wscript.exe 1 9->19         started        56 Writes to foreign memory regions 13->56 58 Maps a DLL or memory area into another process 13->58 21 iexplore.exe 13->21         started        23 iexplore.exe 15->23         started        25 iexplore.exe 17->25         started        signatures5 process6 process7 27 cmd.exe 1 19->27         started        process8 29 station.exe 2 1 27->29         started        32 conhost.exe 27->32         started        signatures9 60 Antivirus detection for dropped file 29->60 62 Multi AV Scanner detection for dropped file 29->62 64 Machine Learning detection for dropped file 29->64 66 2 other signatures 29->66 34 iexplore.exe 29->34         started        process10
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bd88a8e4487129f6545e17ca21c82b24f56944b4e25ca2f62a4a21a5dea137af/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2022-09-13 18:29:07 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xwekrzcioeu7mvc6c7fcdsblet2wsrfu4jokf5rkjiq2lxvbg6xq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:station1 persistence rat
Link:
https://tria.ge/reports/220913-w4ww2agch6/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
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
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
51.210.137.26:5656
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/f0cd9329-2f32-460b-b318-cb879d1d2b62
Unpacked files
SH256 hash:
bd88a8e4487129f6545e17ca21c82b24f56944b4e25ca2f62a4a21a5dea137af
MD5 hash:
ea293e4f1a17333ec0600ceef32b6ffd
SHA1 hash:
d2d12949c1d093d212f16455469a41ab23dd0af3
Detections:
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/e8551abf-dcec-4671-aae4-959aba3623a1/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bd88a8e44871/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/bd88a8e4487129f6545e17ca21c82b24f56944b4e25ca2f62a4a21a5dea137af

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:RansomwareTest4
Create hunting rule
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
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 bd88a8e4487129f6545e17ca21c82b24f56944b4e25ca2f62a4a21a5dea137af

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2301869/
Cape
Cape
https://www.capesandbox.com/analysis/309821/

Comments


Avatar
zbet commented on 2022-09-13 18:28:37 UTC

url : hxxp://81.161.229.110/htdocs/GtFyHANMmsTREWk.exe