MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e8f97821125b6b3f9c081a6a488fdbb8f8b13141f26af1264b2058718973a0ee. 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 4 File information Comments
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SHA256 hash: e8f97821125b6b3f9c081a6a488fdbb8f8b13141f26af1264b2058718973a0ee
SHA3-384 hash: 8c62576c90f1bea243da959a2cb73123d27bf64f384b679d6e91abe7481092f2ed760856cddcf6cd91b04cfb89fc478c
SHA1 hash: c1700f442a45e6fc1614c3deda026e6e7b3e8824
MD5 hash: da10ebdd2dfee3d6d0c7e3a1d9c59e79
humanhash: golf-equal-lamp-winner
File name:P.O.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'106'432 bytes
First seen:2024-02-27 11:43:14 UTC
Last seen:2024-02-27 13:23:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 24576:3O6bmSFAMqH0DKCqE/wdyTnyx92xdJbgocGphauAS:3O6JARHHs7TnyxsxzTDhao
TLSH T15E3523202B96CFEAF83E23B912E8254043F6B7502AB7D27D4DC551CF5A967088B5178F
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter adrian__luca
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
314
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
e8f97821125b6b3f9c081a6a488fdbb8f8b13141f26af1264b2058718973a0ee.exe
Verdict:
Malicious activity
Analysis date:
2024-02-27 11:57:05 UTC
Tags:
remcos rat
Link:
https://app.any.run/tasks/eec87789-ada7-4fb5-a332-b0051f13a40f

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/477984/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.2692.3549.17133.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Restart of the analyzed sample
Creating a file
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/65ddcb0f03a1c3a7aef724d1/reports/01753ccc-3df5-4ce9-b6ca-3625def61665/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/e8f97821125b6b3f9c081a6a488fdbb8f8b13141f26af1264b2058718973a0ee
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/91ba785e-6e41-4562-8a55-029ae5fe7d53
Result
Threat name:
Remcos, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
rans.spre.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1399428
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
Creates autostart registry keys with suspicious names
Delayed program exit found
Found malware configuration
Infects executable files (exe, dll, sys, html)
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 domain / URL
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 PureLog Stealer
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1399428 Sample: P.O.exe Startdate: 27/02/2024 Architecture: WINDOWS Score: 100 77 Multi AV Scanner detection for domain / URL 2->77 79 Found malware configuration 2->79 81 Malicious sample detected (through community Yara rule) 2->81 83 14 other signatures 2->83 9 P.O.exe 7 2->9         started        13 GKAWcxnUOzc.exe 5 2->13         started        15 remcos.exe 2->15         started        17 2 other processes 2->17 process3 file4 71 C:\Users\user\AppData\...behaviorgraphKAWcxnUOzc.exe, PE32 9->71 dropped 73 C:\Users\user\AppData\Local\Temp\tmp52B.tmp, XML 9->73 dropped 95 Contains functionality to bypass UAC (CMSTPLUA) 9->95 97 Contains functionalty to change the wallpaper 9->97 99 Contains functionality to steal Chrome passwords or cookies 9->99 109 6 other signatures 9->109 19 P.O.exe 2 4 9->19         started        23 powershell.exe 23 9->23         started        25 schtasks.exe 1 9->25         started        101 Antivirus detection for dropped file 13->101 103 Multi AV Scanner detection for dropped file 13->103 105 Machine Learning detection for dropped file 13->105 27 schtasks.exe 13->27         started        35 2 other processes 13->35 107 Injects a PE file into a foreign processes 15->107 29 schtasks.exe 15->29         started        31 remcos.exe 15->31         started        33 schtasks.exe 17->33         started        37 3 other processes 17->37 signatures5 process6 file7 69 C:\Users\user\AppData\Roaming\...\remcos.exe, PE32 19->69 dropped 85 Creates autostart registry keys with suspicious names 19->85 39 remcos.exe 5 19->39         started        42 conhost.exe 23->42         started        44 conhost.exe 25->44         started        46 conhost.exe 27->46         started        48 conhost.exe 29->48         started        50 conhost.exe 33->50         started        52 conhost.exe 35->52         started        54 conhost.exe 37->54         started        signatures8 process9 signatures10 87 Antivirus detection for dropped file 39->87 89 Multi AV Scanner detection for dropped file 39->89 91 Machine Learning detection for dropped file 39->91 93 Adds a directory exclusion to Windows Defender 39->93 56 remcos.exe 39->56         started        59 powershell.exe 39->59         started        61 schtasks.exe 39->61         started        process11 dnsIp12 75 185.222.58.40, 1990 ROOTLAYERNETNL Netherlands 56->75 63 conhost.exe 56->63         started        65 conhost.exe 59->65         started        67 conhost.exe 61->67         started        process13
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/e8f97821125b6b3f9c081a6a488fdbb8f8b13141f26af1264b2058718973a0ee
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e8f97821125b6b3f9c081a6a488fdbb8f8b13141f26af1264b2058718973a0ee/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2024-02-20 06:07:34 UTC
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=5d4xqiislnvt7haidjverd63xd4lcmkb6jvpcjslebmhdcltudxa._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost persistence rat
Link:
https://tria.ge/reports/240227-nv7m6sfg84/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
185.222.58.40:1990
Unpacked files
SH256 hash:
7190d3b9f5e91a590e19e394da4cb5daadae8e12426d6f94e302925286c1869d
MD5 hash:
97b78206f9e9bb336ba2390e25fceb27
SHA1 hash:
e5b71b74318e4d711041dadbb7bdf5bafad7b37d
Link:
https://www.unpac.me/results/59a2c194-b85f-4ba8-9633-148bafca2087/
SH256 hash:
72638f4b30cc9dab51d31216991957bf1cd118b8a8743227b3e8f9c4805f7628
MD5 hash:
2a8240bba06e832ee5d136a0a7e5b5b9
SHA1 hash:
de49d9b33004a4a622a4279b3ee2b3e3e5cd012b
Link:
https://www.unpac.me/results/59a2c194-b85f-4ba8-9633-148bafca2087/
SH256 hash:
ad899b5193b0ee11970abb862064a5c4fc43bf9f7e8e4f1d83a864862d7cd525
MD5 hash:
82891bbeafb8b8600448874de5b8ffb5
SHA1 hash:
cf45a438908970054982f67f7f5ea767633527b6
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/59a2c194-b85f-4ba8-9633-148bafca2087/
Parent samples :
655f5325cf419a690c3e1d0b8bfd778155d0448a2d8003ada5e36f63b892227c
692e461a929906ce19eaa7f3f7b2d46791d6ae3c5b9beb42ca76d28303f4d650
e8f97821125b6b3f9c081a6a488fdbb8f8b13141f26af1264b2058718973a0ee
SH256 hash:
ec592062c41d26d7046ab135fbabaf80e69900ba940ca654261cda17109f8769
MD5 hash:
09f7fb78314d30bf7c69d72caa9da978
SHA1 hash:
5536e0f86fe6e36f11e5ba03a8f559675dd82f30
Link:
https://www.unpac.me/results/59a2c194-b85f-4ba8-9633-148bafca2087/
SH256 hash:
42e5bbee4b498550f505c1232326adbf9d5d23c7e90174eb142b4963b879fe7b
MD5 hash:
100a8095e042378d2c227eb0ff37b6d4
SHA1 hash:
32c4a6457d7c01e9e135c3750d571114bc0ef3a0
Link:
https://www.unpac.me/results/59a2c194-b85f-4ba8-9633-148bafca2087/
SH256 hash:
e8f97821125b6b3f9c081a6a488fdbb8f8b13141f26af1264b2058718973a0ee
MD5 hash:
da10ebdd2dfee3d6d0c7e3a1d9c59e79
SHA1 hash:
c1700f442a45e6fc1614c3deda026e6e7b3e8824
Link:
https://www.unpac.me/results/59a2c194-b85f-4ba8-9633-148bafca2087/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e8f97821125b/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/e8f97821125b6b3f9c081a6a488fdbb8f8b13141f26af1264b2058718973a0ee

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

RemcosRAT

Executable exe e8f97821125b6b3f9c081a6a488fdbb8f8b13141f26af1264b2058718973a0ee

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/477984/

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