MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c1bcaa3723fd87f8a0a537c14ecf7e5852a69d33995333b40a7a475eb2e1696c. 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: 14


Intelligence 14 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c1bcaa3723fd87f8a0a537c14ecf7e5852a69d33995333b40a7a475eb2e1696c
SHA3-384 hash: 7bb796b31057fcbaa5802e43823abe10ae8637c35309b5a44d8efbcdb90a980dc8769ba6dc37de9415763af0682beba6
SHA1 hash: 803bd8346d9b5c6d9ab413f2e9a9aa8388ad7899
MD5 hash: 4028afd72bc3d8184da62faec191759d
humanhash: failed-glucose-blossom-enemy
File name:PO456.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:875'520 bytes
First seen:2023-06-02 13:45:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 8e6b5191f290df17e8c394ebdc9586d7 (2 x RemcosRAT)
ssdeep 12288:M5MtBaHi0mM2ag8kB3vy23+2gDGYL4+V5hdH0NhEOv45++k4lWE/wj0xJ3nBcN/x:M6WmM2P8Mvg7XXchIxJ3n6N/lL2
Threatray 2'360 similar samples on MalwareBazaar
TLSH T1FF158E32B3A35477D5626A39CD57B2E1A4797F202D2668423BE83E4C5F35F423928363
TrID 75.9% (.EXE) Win32 Executable Borland Delphi 6 (262638/61)
12.4% (.EXE) InstallShield setup (43053/19/16)
4.1% (.EXE) Win32 Executable Delphi generic (14182/79/4)
3.7% (.SCR) Windows screen saver (13097/50/3)
1.3% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 74ecd4d2d4d6d0bc (3 x RemcosRAT, 1 x AveMariaRAT)
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
217.182.15.139:2055

Intelligence

File Origin
# of uploads :
1
# of downloads :
290
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO456.exe
Verdict:
Malicious activity
Analysis date:
2023-06-02 13:47:02 UTC
Tags:
installer dbatloader
Link:
https://app.any.run/tasks/c4d546bc-8055-4894-8a64-d9c4046fdf4f

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/394852/
Detection(s):
SecuriteInfo.com.FileRepMalware.29815.23197.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Searching for synchronization primitives
Sending a custom TCP request
DNS request
Creating a file
Running batch commands
Creating a process with a hidden window
Launching cmd.exe command interpreter
Launching a process
Creating a process from a recently created file
Searching for the window
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/89066/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint keylogger lolbin packed remcos
Link:
https://www.filescan.io/uploads/6479f29ae61069f44ce17e54/reports/a3423dbd-4ac0-438d-9768-0cf160c98cb7/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/c1bcaa3723fd87f8a0a537c14ecf7e5852a69d33995333b40a7a475eb2e1696c
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/e5c0ec68-929d-49dd-ae54-326ef2029ce2
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1247631
Signature
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Creates a thread in another existing process (thread injection)
Detected unpacking (creates a PE file in dynamic memory)
DLL side loading technique detected
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with a suspicious file extension
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Suspicious powershell command line found
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Writes to foreign memory regions
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 880652 Sample: PO456.exe Startdate: 02/06/2023 Architecture: WINDOWS Score: 100 73 Found malware configuration 2->73 75 Malicious sample detected (through community Yara rule) 2->75 77 Antivirus detection for dropped file 2->77 79 5 other signatures 2->79 10 PO456.exe 1 9 2->10         started        15 Komvkhyd.exe 1 2->15         started        17 Komvkhyd.exe 2->17         started        process3 dnsIp4 65 web.fe.1drv.com 10->65 67 w0oyuw.dm.files.1drv.com 10->67 69 2 other IPs or domains 10->69 53 C:\Users\Public\Libraries\netutils.dll, PE32+ 10->53 dropped 55 C:\Users\Public\Libraries\easinvoker.exe, PE32+ 10->55 dropped 57 C:\Users\Public\Libraries\Komvkhyd.exe, PE32 10->57 dropped 59 C:\Users\...\Komvkhyd.exe:Zone.Identifier, ASCII 10->59 dropped 95 Writes to foreign memory regions 10->95 97 Allocates memory in foreign processes 10->97 99 Creates a thread in another existing process (thread injection) 10->99 19 cmd.exe 3 10->19         started        22 dyhkvmoK.pif 10->22         started        61 C:\Users\Public\Libraries\dyhkvmoK.pif, PE32 15->61 dropped 101 Multi AV Scanner detection for dropped file 15->101 103 Drops PE files with a suspicious file extension 15->103 105 Injects a PE file into a foreign processes 15->105 24 dyhkvmoK.pif 3 15->24         started        27 dyhkvmoK.pif 17->27         started        file5 signatures6 process7 dnsIp8 81 Uses ping.exe to sleep 19->81 83 Drops executables to the windows directory (C:\Windows) and starts them 19->83 85 Uses ping.exe to check the status of other devices and networks 19->85 29 easinvoker.exe 19->29         started        31 PING.EXE 1 19->31         started        34 xcopy.exe 2 19->34         started        37 6 other processes 19->37 63 abuhjil.com 217.182.15.139, 2055 OVHFR France 24->63 87 Detected unpacking (creates a PE file in dynamic memory) 24->87 signatures9 process10 dnsIp11 39 cmd.exe 1 29->39         started        71 127.0.0.1 unknown unknown 31->71 49 C:\Windows \System32\easinvoker.exe, PE32+ 34->49 dropped 51 C:\Windows \System32\netutils.dll, PE32+ 37->51 dropped file12 process13 signatures14 89 Suspicious powershell command line found 39->89 91 Adds a directory exclusion to Windows Defender 39->91 42 powershell.exe 23 39->42         started        45 conhost.exe 39->45         started        process15 signatures16 93 DLL side loading technique detected 42->93 47 conhost.exe 42->47         started        process17
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c1bcaa3723fd87f8a0a537c14ecf7e5852a69d33995333b40a7a475eb2e1696c/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-06-02 13:26:35 UTC
File Type:
PE (Exe)
Extracted files:
50
AV detection:
20 of 36 (55.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yg6kunzd7wd7riffg7au5t36lbjknhjttfjthnakpjdv5mxbnfwa._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
221784974f49f2b54c90c63ce6cf9550d94b15c3442c29c959300dbbf5b91f61
RemcosRAT
37503c7646071d22653b6be7fdb8ec8d9abbfe8cbfca39650255c131b01f4fd2
RemcosRAT
3fc5fe06474624df2032970d6c877080a12fdbd0b35f53622e11eb8788ed6c4a
RemcosRAT
6ff3c874127b92713c89a07825d7794a47cdff0fbaa8500685ff116bd09ffd09
RemcosRAT
73e786d5242a65d25c8ec6f8b76bc4745b200df7cc5a393529219220df8eb126
RemcosRAT
8158105e4cb87778d3714e6ab22a16251ffa4475124a8269fa6e722e016e3e1a
RemcosRAT
da38425cef4712b8fd31378e6576d94f01707bc7e52b6f70d782f7dc9c07e876
RemcosRAT
de33fd9d4c89f8d5ffad69cb7743922d8d22f54890f9ca69161edce001cba9ad
RemcosRAT
+ 2'350 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:modiloader family:remcos botnet:200units discovery persistence rat trojan
Link:
https://tria.ge/reports/230602-q2yd7abf43/
Behaviour
Enumerates system info in registry
Runs ping.exe
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Adds Run key to start application
Checks installed software on the system
Executes dropped EXE
Loads dropped DLL
ModiLoader Second Stage
ModiLoader, DBatLoader
Remcos
Malware Config
C2 Extraction:
abuhjil.com:2055
Unpacked files
SH256 hash:
91745aed333d9326a6add7d732b81d930282a4425bb96ebb1466d0b567f2d6f2
MD5 hash:
6f6cc425754b1f4c09e967a420f2ca4f
SHA1 hash:
b052b9051b2df24f8c9f0811d53cd84abca776db
Detections:
win_dbatloader_g1
Create hunting rule
Link:
https://www.unpac.me/results/7eca9d0d-13a7-4483-95cd-ad23993080eb/
Parent samples :
6362e9238ae682805b33d2503122e845994d69e1eb51f981cde99b04572cc85c
cd0120b7c1d114b73fd768a37de9e2c34fb1662a3e1dc620b34763410ccb6d7e
ad5131dfaba269367d500cd343ccc1956434b4cb21c2fcd163545c433deded66
545e53fd784db3a0227fcf431e81005c9f74ec6be1dcee9a1a2734fa103b6b27
c1bcaa3723fd87f8a0a537c14ecf7e5852a69d33995333b40a7a475eb2e1696c
ea2f8aca010aba1f0ebb0b5af2de53b2a4106d5feb147f34e0a8e615eccd77c1
a4a9151dee1026abcaec06ec7596983a05cc7df43c37d5646e17ae02e2902445
72cf82cbf24e740b354e9d3b86072b0ad4a741a8489870b42f559d93a364ce82
SH256 hash:
c1bcaa3723fd87f8a0a537c14ecf7e5852a69d33995333b40a7a475eb2e1696c
MD5 hash:
4028afd72bc3d8184da62faec191759d
SHA1 hash:
803bd8346d9b5c6d9ab413f2e9a9aa8388ad7899
Detections:
DbatLoaderStage1
Create hunting rule
Link:
https://www.unpac.me/results/7eca9d0d-13a7-4483-95cd-ad23993080eb/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c1bcaa3723fd/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.21
Link:
https://yomi.yoroi.company/submissions/c1bcaa3723fd87f8a0a537c14ecf7e5852a69d33995333b40a7a475eb2e1696c

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:CMD_Ping_Localhost
Create hunting rule
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:iexplorer_remcos
Create hunting rule
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
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: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: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.

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/394852/

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