MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8c80ec1c91dcd77ea0be5d0e53e289a6bc0ed764a12f9262ba979f579bb25591. 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 17 File information Comments
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SHA256 hash: 8c80ec1c91dcd77ea0be5d0e53e289a6bc0ed764a12f9262ba979f579bb25591
SHA3-384 hash: ebf599ec4569b6bb411c40dd031b7177d38772900796301edbb5df4a6ef3621440e2ce42891b9b721a101784864e741e
SHA1 hash: ced80a90a316ab3232621270253bb832908fd22b
MD5 hash: 9af9bc80c0122725fda165d47e373089
humanhash: blue-stairway-magazine-arizona
File name:June New Order _12_06_23_Pdf.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:911'872 bytes
First seen:2023-06-12 09:22:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 10208bb07d454e47048be37ee7fc6e0d (2 x Formbook, 1 x RemcosRAT)
ssdeep 24576:DqdXPn4tl29UFPWmKoyk4TLmgvky46i95nwka0:DqdfXUFPjKoNw714p
TLSH T187158E52F6E2D833C26635348D4687982815FF602D28B84ABEEC394DCF3E694BD19357
TrID 86.8% (.EXE) Win32 Executable Borland Delphi 6 (262638/61)
4.6% (.EXE) Win32 Executable Delphi generic (14182/79/4)
4.3% (.SCR) Windows screen saver (13097/50/3)
1.4% (.EXE) Win32 Executable (generic) (4505/5/1)
0.6% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 74f0d0d6d6c2d4dc (4 x Formbook, 2 x RemcosRAT, 1 x DBatLoader)
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
278
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
ABCHINA_.EXE
Verdict:
Malicious activity
Analysis date:
2023-06-12 09:12:55 UTC
Tags:
remcos
Link:
https://app.any.run/tasks/9afc19c4-5dc7-482c-a9f0-352fafac570f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/397863/
Detection(s):
SecuriteInfo.com.HEUR.11178.9761.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Creating a file
Launching a process
Creating a process with a hidden window
Searching for the window
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Reading critical registry keys
Creating a file in the %temp% directory
Query of malicious DNS domain
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Sending an HTTP GET request to an infection source
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/90319/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware keylogger lolbin packed remcos shell32.dll
Link:
https://www.filescan.io/uploads/6486e3f828381b85ed1a02f1/reports/87dcbbd7-dd0b-49ca-aaf9-6ee92d70b827/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/8c80ec1c91dcd77ea0be5d0e53e289a6bc0ed764a12f9262ba979f579bb25591
Result
Verdict:
UNKNOWN
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:
Dbatloader
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/64cac7c9-722b-4a2b-92f9-e323b4721073
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1252829
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to inject code into remote processes
Contains functionality to modify clipboard data
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Creates a thread in another existing process (thread injection)
Delayed program exit found
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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
Sigma detected: Remcos
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 UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 885849 Sample: June_New_Order__12_06_23_Pdf.exe Startdate: 12/06/2023 Architecture: WINDOWS Score: 100 53 Multi AV Scanner detection for domain / URL 2->53 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 8 other signatures 2->59 7 June_New_Order__12_06_23_Pdf.exe 1 3 2->7         started        12 Bkobwyob.bat 2->12         started        14 Bkobwyob.bat 2->14         started        process3 dnsIp4 41 savory.com.bd 45.56.99.101, 49694, 49698, 49699 LINODE-APLinodeLLCUS United States 7->41 33 C:\Users\Public\Libraries\Bkobwyob.bat, PE32 7->33 dropped 35 C:\Users\...\Bkobwyob.bat:Zone.Identifier, ASCII 7->35 dropped 67 Writes to foreign memory regions 7->67 69 Allocates memory in foreign processes 7->69 71 Creates a thread in another existing process (thread injection) 7->71 16 logagent.exe 3 13 7->16         started        73 Injects a PE file into a foreign processes 12->73 20 SndVol.exe 12->20         started        43 192.168.2.1 unknown unknown 14->43 75 Multi AV Scanner detection for dropped file 14->75 22 logagent.exe 14->22         started        file5 signatures6 process7 dnsIp8 37 91.245.253.46, 49695, 49696, 8709 V4ESCROW-ASRO Romania 16->37 39 geoplugin.net 178.237.33.50, 49697, 80 ATOM86-ASATOM86NL Netherlands 16->39 45 Contains functionality to bypass UAC (CMSTPLUA) 16->45 47 Contains functionality to steal Chrome passwords or cookies 16->47 49 Contains functionality to inject code into remote processes 16->49 51 4 other signatures 16->51 24 logagent.exe 1 16->24         started        27 logagent.exe 16->27         started        29 logagent.exe 16->29         started        31 17 other processes 16->31 signatures9 process10 signatures11 61 Tries to steal Instant Messenger accounts or passwords 24->61 63 Tries to steal Mail credentials (via file / registry access) 24->63 65 Tries to harvest and steal browser information (history, passwords, etc) 31->65
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8c80ec1c91dcd77ea0be5d0e53e289a6bc0ed764a12f9262ba979f579bb25591/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-06-12 04:54:03 UTC
File Type:
PE (Exe)
Extracted files:
50
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rsaoyher3tlx5if6luhfhyuju26a5v3euexzeyv2s6pvpg5skwiq._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:modiloader family:remcos botnet:remotehost collection persistence rat trojan
Link:
https://tria.ge/reports/230612-lcgb6abg8s/
Behaviour
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
ModiLoader Second Stage
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
ModiLoader, DBatLoader
Remcos
Malware Config
C2 Extraction:
91.245.253.46:8709
Unpacked files
SH256 hash:
9c5f25275a490311fe0264ab6da280127ce6d0e1145adeaecaa4a393e0aa9605
MD5 hash:
f33c153b411d1a8bb48dafefd3fadf3d
SHA1 hash:
a3b704664ef9fd2f31d0803ddbd173c294891b88
Detections:
win_dbatloader_g1
Create hunting rule
Link:
https://www.unpac.me/results/bafba8eb-7ab6-44b3-ac7d-2c3a256e4b26/
SH256 hash:
8c80ec1c91dcd77ea0be5d0e53e289a6bc0ed764a12f9262ba979f579bb25591
MD5 hash:
9af9bc80c0122725fda165d47e373089
SHA1 hash:
ced80a90a316ab3232621270253bb832908fd22b
Link:
https://www.unpac.me/results/bafba8eb-7ab6-44b3-ac7d-2c3a256e4b26/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8c80ec1c91dc/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/8c80ec1c91dcd77ea0be5d0e53e289a6bc0ed764a12f9262ba979f579bb25591

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:iexplorer_remcos
Create hunting rule
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
Rule name:INDICATOR_EXE_Packed_MPress
Create hunting rule
Author:ditekSHen
Description:Detects executables built or packed with MPress PE compressor
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
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
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Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:QbotStuff
Create hunting rule
Author:anonymous
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:TeslaCryptPackedMalware
Create hunting rule
Rule name:Typical_Malware_String_Transforms
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Typical_Malware_String_Transforms_RID3473
Create hunting rule
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Windows_Trojan_Remcos_b296e965
Create hunting rule
Author:Elastic Security
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.
Rule name:yara_template
Create hunting rule

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/397863/

Comments