MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2400e5356331123e2b6f8f27c824c7850acf55c92ba6554c81883b9dc94570d5. 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: 19


Intelligence 19 IOCs YARA 21 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2400e5356331123e2b6f8f27c824c7850acf55c92ba6554c81883b9dc94570d5
SHA3-384 hash: 60200a2aab49f431cb9115b81d4f39b178bf330ba5bfefb84f299026e6963405467b0f469ca6de9218c1181052e1a068
SHA1 hash: dbb52768c422da7d9a8e7996e606d9c3cabee088
MD5 hash: d307d9e810141447301e21f7f1d25f60
humanhash: mike-fanta-sodium-massachusetts
File name:Payment Notification.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:991'232 bytes
First seen:2024-03-15 08:09:23 UTC
Last seen:2024-03-15 09:24:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:zGiq+Zp8ITV8r3bFOnzIL1c1D21szr1ASMebMPSBL/GUPlTvVQXcJqB019wysQN2:zEKpDTV89OzIB1YMktNeHBEtsFN
Threatray 3'653 similar samples on MalwareBazaar
TLSH T1392523293FEC8D2BC9B55F38907393840731DD4C2852DA8F9C917A8D85B96C46B52BCA
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 032f76606b636368 (6 x AgentTesla, 2 x Formbook, 1 x RemcosRAT)
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
372
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
2400e5356331123e2b6f8f27c824c7850acf55c92ba6554c81883b9dc94570d5.exe
Verdict:
Malicious activity
Analysis date:
2024-03-15 08:10:14 UTC
Tags:
rat remcos keylogger
Link:
https://app.any.run/tasks/eaff63df-e764-4aa1-9c13-323dc1d4ce1b

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/479096/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Connection attempt
Setting a keyboard event handler
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/65f402615cd908a33db2ef8c/reports/6681e34d-46ab-4674-9cda-fad3528c1155/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/2400e5356331123e2b6f8f27c824c7850acf55c92ba6554c81883b9dc94570d5
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/c62bc3e5-7ccc-4a2d-8f0a-3d6374071069
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1409406
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
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
Installs a global keyboard hook
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: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Remcos
Sigma detected: Scheduled temp file as task from temp location
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1409406 Sample: Payment Notification.exe Startdate: 15/03/2024 Architecture: WINDOWS Score: 100 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus detection for URL or domain 2->46 48 14 other signatures 2->48 7 BSZltnyK.exe 5 2->7         started        10 Payment Notification.exe 7 2->10         started        process3 file4 52 Multi AV Scanner detection for dropped file 7->52 54 Contains functionality to bypass UAC (CMSTPLUA) 7->54 56 Contains functionalty to change the wallpaper 7->56 62 5 other signatures 7->62 13 schtasks.exe 1 7->13         started        15 BSZltnyK.exe 7->15         started        36 C:\Users\user\AppData\Roaming\BSZltnyK.exe, PE32 10->36 dropped 38 C:\Users\user\AppData\Local\...\tmpE99A.tmp, XML 10->38 dropped 58 Adds a directory exclusion to Windows Defender 10->58 60 Injects a PE file into a foreign processes 10->60 17 Payment Notification.exe 3 2 10->17         started        22 powershell.exe 19 10->22         started        24 schtasks.exe 1 10->24         started        signatures5 process6 dnsIp7 26 conhost.exe 13->26         started        40 89.249.73.162, 2479 M247GB United Kingdom 17->40 34 C:\ProgramData\remcos\logs.dat, data 17->34 dropped 50 Installs a global keyboard hook 17->50 28 WmiPrvSE.exe 22->28         started        30 conhost.exe 22->30         started        32 conhost.exe 24->32         started        file8 signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/2400e5356331123e2b6f8f27c824c7850acf55c92ba6554c81883b9dc94570d5
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2400e5356331123e2b6f8f27c824c7850acf55c92ba6554c81883b9dc94570d5/
Threat name:
Win32.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2024-03-15 04:57:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
20 of 37 (54.05%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=eqaoknldgejd4k3pr4t4qjghqufm6vojfotfktebra5z3skfodkq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
11db56471fe5f1c245d9fa8f6cfb9a86bd2aeb444c38cfd1c8ef159ec539c065
RemcosRAT
1351e61c2b4c13ccf8b28d7f1f9aa82f7cce424e723a30bacbfa404d1d98fa6d
RemcosRAT
1c127eebd7d602e5dfd453c901c61d4f41304eaeee33d2aca87db7e08b0a6292
RemcosRAT
839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b
RemcosRAT
+ 3'643 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:sthost rat
Link:
https://tria.ge/reports/240315-j2selsbf8v/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Remcos
Malware Config
C2 Extraction:
89.249.73.162:2479
Unpacked files
SH256 hash:
b18c02279b5016ab433cb11fc68212055966fbe81bb7d7f10d526fb2b61d6454
MD5 hash:
149f6e1717a06c65c1f12b5b06940fa3
SHA1 hash:
d725ed17da37f999989da683ac1f53d50bb217d5
Link:
https://www.unpac.me/results/eaa8baaa-f64a-4d79-a050-9de52007f726/
SH256 hash:
77749db372ba333502d5b4f50ae7904dc8f7f67da1e7f6b6d021d64da489d98f
MD5 hash:
f479843df871b0dc16c66a564b8a8b28
SHA1 hash:
cd9c3e6b2bbffb5a8dbe53c5b5a1bba4eedd32a5
Link:
https://www.unpac.me/results/eaa8baaa-f64a-4d79-a050-9de52007f726/
SH256 hash:
c10c9b0882bac6f788f48b4dabe3291b14e639e650f2b9fcb0bc174ac92ae02b
MD5 hash:
7c7fb6daa78beb69128991ff893143ed
SHA1 hash:
c01bb99984b12b84129db80eae1d5d8341a358e2
Link:
https://www.unpac.me/results/eaa8baaa-f64a-4d79-a050-9de52007f726/
SH256 hash:
c7b65c024c00424121be603e04c3032bfb1415c2bb12dadcf03c34ee72321c58
MD5 hash:
1c54147f268ac0afa3a41e7c89a79162
SHA1 hash:
221ff832887f8be905fd555f973422b587bacefb
Link:
https://www.unpac.me/results/eaa8baaa-f64a-4d79-a050-9de52007f726/
SH256 hash:
5f7e634c3e7e703beb1aff63e044e119060770a78e5e475623bdb4412b72abd2
MD5 hash:
52b845aced1e9e909338ae049d85a400
SHA1 hash:
082461a36d7acf1362cd8755a50d400575deb764
Detections:
Remcos
Create hunting rule
win_remcos_w0
Create hunting rule
win_remcos_auto
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Link:
https://www.unpac.me/results/eaa8baaa-f64a-4d79-a050-9de52007f726/
Parent samples :
c0b13c8cf91f75fb3ae9448b92656ccf90dbf374855d10add7d8a972bdc5d5b4
70543b4c967b3f474e895b299d778cd3b64e321f654ec02f580ff2d3ad7813e6
11db56471fe5f1c245d9fa8f6cfb9a86bd2aeb444c38cfd1c8ef159ec539c065
d973dd4c64c7534cceca0abcd0781742364ea652c6abcbe8206977345b738a57
2400e5356331123e2b6f8f27c824c7850acf55c92ba6554c81883b9dc94570d5
efbde8c3fc0f8f18b6b2c93fae4c7aaaa137f866a9d112ebdc534b8477485261
3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772
SH256 hash:
2400e5356331123e2b6f8f27c824c7850acf55c92ba6554c81883b9dc94570d5
MD5 hash:
d307d9e810141447301e21f7f1d25f60
SHA1 hash:
dbb52768c422da7d9a8e7996e606d9c3cabee088
Link:
https://www.unpac.me/results/eaa8baaa-f64a-4d79-a050-9de52007f726/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2400e5356331/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/2400e5356331123e2b6f8f27c824c7850acf55c92ba6554c81883b9dc94570d5

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: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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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
Reference:https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.
Rule name:win_remcos_rat_unpacked
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:win_remcos_w0
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:yarahub_win_remcos_rat_unpacked_aug_2023
Create hunting rule
Author:Matthew @ Embee_Research

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/479096/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments