MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 781ffcd3281973496019906d76fc8c52786e7ab953292d8bab44865c8d6c9207. 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 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 781ffcd3281973496019906d76fc8c52786e7ab953292d8bab44865c8d6c9207
SHA3-384 hash: 6cfd13d6c2a388e7eba1fa29588cf9761d4b0398e3eef3ecd497a9bb7b47fb7c4827ce676f3fcfa1ae435dd25357e940
SHA1 hash: b6d2c04ec5df02c02695cc7b83aaca8a9f188edf
MD5 hash: 2fb6784dad98d36b5b0dbf94bfbaab88
humanhash: fifteen-spaghetti-arkansas-failed
File name:2FB6784DAD98D36B5B0DBF94BFBAAB88.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'516'544 bytes
First seen:2023-08-25 13:40:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 555fbb180099f7ea0a0860999295d5a4 (6 x DBatLoader, 1 x RemcosRAT)
ssdeep 24576:/UWyWyLFqghcA0n9WUS20tFJTtf7BtdZhPKR/UW0YEq0UxX8OCTL5GJ:/UWX7WUktFJT5BtdZPWWqxxX8O0L5W
Threatray 5 similar samples on MalwareBazaar
TLSH T1FF65E051E2934477D1777A34CBAB52D6D86D7F302E2CA50E66E43E58CF3638138262B2
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 60e09086c4a4a0c4 (6 x DBatLoader, 5 x RemcosRAT, 1 x ModiLoader)
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
194.180.48.209:2555

Intelligence

File Origin
# of uploads :
1
# of downloads :
422
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
2FB6784DAD98D36B5B0DBF94BFBAAB88.exe
Verdict:
Malicious activity
Analysis date:
2023-08-25 13:41:03 UTC
Tags:
dbatloader rat remcos keylogger
Link:
https://app.any.run/tasks/27265756-9192-4261-b820-4b5e77566f69

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
ModiLoader
Create hunting rule
Link:
https://www.capesandbox.com/analysis/444765/
Detection(s):
SecuriteInfo.com.Win32.DropperX-gen.14324.15301.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
DNS request
Sending a custom TCP request
Creating a file
Running batch commands
Creating a process with a hidden window
Launching a process
Sending an HTTP GET 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:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/108580/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control keylogger lolbin modiloader packed
Link:
https://www.filescan.io/uploads/64e8af715ec4a8623260a7f3/reports/832a1bc1-6d54-4f2f-82ff-5d4a4ae3105c/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/781ffcd3281973496019906d76fc8c52786e7ab953292d8bab44865c8d6c9207
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:
Dbatloader
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0f859a99-1f3e-4ba2-9531-5404695f0845
Result
Threat name:
Remcos, DBatLoader
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1297434
Signature
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Snort IDS alert for network traffic
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Writes to foreign memory regions
Yara detected DBatLoader
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1297434 Sample: dl1mXQH1HM.exe Startdate: 25/08/2023 Architecture: WINDOWS Score: 100 77 Snort IDS alert for network traffic 2->77 79 Found malware configuration 2->79 81 Malicious sample detected (through community Yara rule) 2->81 83 11 other signatures 2->83 11 dl1mXQH1HM.exe 1 7 2->11         started        16 Uzyigeta.PIF 2->16         started        process3 dnsIp4 63 zq85xa.am.files.1drv.com 11->63 65 web.fe.1drv.com 11->65 71 2 other IPs or domains 11->71 49 C:\Users\Public\Libraries\netutils.dll, PE32+ 11->49 dropped 51 C:\Users\Public\Libraries\easinvoker.exe, PE32+ 11->51 dropped 53 C:\Users\Public\Libraries\Uzyigeta.PIF, PE32 11->53 dropped 97 Drops PE files with a suspicious file extension 11->97 99 Writes to foreign memory regions 11->99 101 Allocates memory in foreign processes 11->101 103 Injects a PE file into a foreign processes 11->103 18 cmd.exe 1 11->18         started        21 SndVol.exe 3 16 11->21         started        67 zq85xa.am.files.1drv.com 16->67 69 web.fe.1drv.com 16->69 73 2 other IPs or domains 16->73 105 Antivirus detection for dropped file 16->105 107 Multi AV Scanner detection for dropped file 16->107 109 Machine Learning detection for dropped file 16->109 24 colorcpl.exe 16->24         started        file5 signatures6 process7 dnsIp8 85 Uses ping.exe to sleep 18->85 87 Drops executables to the windows directory (C:\Windows) and starts them 18->87 89 Uses ping.exe to check the status of other devices and networks 18->89 26 easinvoker.exe 18->26         started        28 PING.EXE 1 18->28         started        31 xcopy.exe 2 18->31         started        34 8 other processes 18->34 59 www.akbeyaztckstil.com 194.180.48.209, 2555, 49705 LVLT-10753US Germany 21->59 61 geoplugin.net 178.237.33.50, 49706, 80 ATOM86-ASATOM86NL Netherlands 21->61 signatures9 process10 dnsIp11 36 cmd.exe 1 26->36         started        75 127.0.0.1 unknown unknown 28->75 55 C:\Windows \System32\easinvoker.exe, PE32+ 31->55 dropped 57 C:\Windows \System32\netutils.dll, PE32+ 34->57 dropped file12 process13 signatures14 91 Adds a directory exclusion to Windows Defender 36->91 39 cmd.exe 1 36->39         started        42 conhost.exe 36->42         started        process15 signatures16 93 Adds a directory exclusion to Windows Defender 39->93 44 powershell.exe 21 39->44         started        process17 signatures18 95 DLL side loading technique detected 44->95 47 conhost.exe 44->47         started        process19
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/781ffcd3281973496019906d76fc8c52786e7ab953292d8bab44865c8d6c9207/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-08-23 05:38:40 UTC
File Type:
PE (Exe)
Extracted files:
43
AV detection:
24 of 36 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pap7zuzidfzusyazsbwxn7emkj4g46vzkmus3c5lisdfzdlmsidq._file
Verdict:
malicious
Similar samples:
53e4ef9bed0e669de506d72e339fa3f36534aef9d10519491d0f0acea27b8841
RemcosRAT
61a3e788d1ae18d12df0bf7198a922c14e998c195b520a5543b43814b8bcbfa0
RemcosRAT
8bf8b980381fd607ec9065bfbcd572973770ee77c815354a35455c10651516d5
RemcosRAT
d7d47b0b0aa55363efdf394d4c3ad4dc6e175edb80e22ae6e7b37cf3bc1d32d1
RemcosRAT
e9352253e3211314faee670cf457e3f6732d7d93eb52f46aebf4f79cb22cbf7e
RemcosRAT
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:modiloader family:remcos botnet:remotehost persistence rat trojan
Link:
https://tria.ge/reports/230825-qy359scb49/
Behaviour
Runs ping.exe
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Program crash
Adds Run key to start application
Executes dropped EXE
Loads dropped DLL
ModiLoader Second Stage
ModiLoader, DBatLoader
Remcos
Malware Config
C2 Extraction:
www.akbeyaztckstil.com:2555
Unpacked files
SH256 hash:
f7517ee27af9f1a79f41a1c11ac7f7f5947164f5ec97fa19a678dbcde50a22ef
MD5 hash:
22917bbb8d9728d013d1fecd196641c7
SHA1 hash:
bc04fb85b313ccaa0ab165a32173e8fd8a222401
Detections:
win_dbatloader_g1
Create hunting rule
Link:
https://www.unpac.me/results/a7c1d4bd-5939-41dd-bae1-4e908bb4d095/
Parent samples :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 hash:
339f478e7c562aa8d322f4848ace5778a23d540ebdee8b4dfc2fbaea5a6d06c1
MD5 hash:
73d61522bbd54f0880888eff6cfd3c25
SHA1 hash:
85ec0d16f1a1508308dac4f425c9e5d7fd354955
Link:
https://www.unpac.me/results/a7c1d4bd-5939-41dd-bae1-4e908bb4d095/
SH256 hash:
17ba321168cb42fa9cc735acfbec0a68ca59c51b97d6ab2c0aa3d168fdb4f70a
MD5 hash:
8f45c5b79cfc33cde767f0d23ef9a04f
SHA1 hash:
74e848e9566268fe61d4686269ead29ea27e993c
Link:
https://www.unpac.me/results/a7c1d4bd-5939-41dd-bae1-4e908bb4d095/
SH256 hash:
7bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301
MD5 hash:
c116d3604ceafe7057d77ff27552c215
SHA1 hash:
452b14432fb5758b46f2897aeccd89f7c82a727d
Link:
https://www.unpac.me/results/a7c1d4bd-5939-41dd-bae1-4e908bb4d095/
SH256 hash:
781ffcd3281973496019906d76fc8c52786e7ab953292d8bab44865c8d6c9207
MD5 hash:
2fb6784dad98d36b5b0dbf94bfbaab88
SHA1 hash:
b6d2c04ec5df02c02695cc7b83aaca8a9f188edf
Detections:
DbatLoaderStage1
Create hunting rule
Link:
https://www.unpac.me/results/a7c1d4bd-5939-41dd-bae1-4e908bb4d095/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/781ffcd32819/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/781ffcd3281973496019906d76fc8c52786e7ab953292d8bab44865c8d6c9207

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:BobSoftMiniDelphiBoBBobSoft
Create hunting rule
Author:malware-lu
Rule name:Borland
Create hunting rule
Author:malware-lu
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
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:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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/444765/

Comments