MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 eb1d3b24830e9b7370fbe2c0128d43f6ba9272b8990f73446e9137b299a369bd. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: eb1d3b24830e9b7370fbe2c0128d43f6ba9272b8990f73446e9137b299a369bd
SHA3-384 hash: 62a360b9301b3cfadda1253bc32b796c0ff9df07a1391f7f0ac33d403b24a764b838d11787a7aed3dfd005a717cd2871
SHA1 hash: f7983f98f6a6e769c97027dc65ff5e9d6e009488
MD5 hash: d9a19a5c8df54973e2336bbfd95cbe5b
humanhash: mirror-march-fifteen-mountain
File name:1.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:2'913'296 bytes
First seen:2022-05-24 17:31:16 UTC
Last seen:2022-05-24 18:36:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 01d1b984e99e67b6f7ae46199d7dfd92 (12 x RemcosRAT)
ssdeep 49152:C/JZ9WFbCktQKX7ehKrfkglp8WIRF4Xod+jYH8E:CB0bJSKLn1Duis+UH8E
TLSH T110D533401B90DB49C1AA24F5F236D3F96E285E62181767B02CCF8D0B327326FE679567
TrID 32.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
28.9% (.EXE) Win32 Executable (generic) (4505/5/1)
13.0% (.EXE) OS/2 Executable (generic) (2029/13)
12.8% (.EXE) Generic Win/DOS Executable (2002/3)
12.8% (.EXE) DOS Executable Generic (2000/1)
File icon (PE):PE icon
dhash icon c4d48eaa8ad4d4f8 (1'000 x RemcosRAT, 1 x Worm.Ramnit, 1 x Vjw0rm)
Reporter Anonymous
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
305
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
1.exe
Verdict:
Malicious activity
Analysis date:
2022-05-24 17:37:12 UTC
Tags:
rat remcos stealer
Link:
https://app.any.run/tasks/6c5729e3-227a-4250-a4ef-e527d826696e

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/274200/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for analyzing tools
Searching for the window
Сreating synchronization primitives
Launching cmd.exe command interpreter
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% directory
Launching a process
Changing a file
Creating a file
Creating a process from a recently created file
Creating a process with a hidden window
Creating a window
Running batch commands
Creating a file in the system32 subdirectories
Sending a custom TCP request
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Blocking the User Account Control
Forced shutdown of a system process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
emotet packed shell32.dll virus zusy
Link:
https://www.filescan.io/uploads/628d16a83223462f89dfa210/reports/a6c8a8f2-e842-48f1-b21e-e353275cb8d5/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/74465544-d462-4c87-ac65-37a0496925d2
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1000905
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Hides threads from debuggers
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Query firmware table information (likely to detect VMs)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 633399 Sample: 1.exe Startdate: 24/05/2022 Architecture: WINDOWS Score: 100 40 canonicalizer.ucsuri.tcs 2->40 44 Antivirus detection for dropped file 2->44 46 Antivirus / Scanner detection for submitted sample 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 3 other signatures 2->50 8 itunes.exe 3 1 2->8         started        12 1.exe 4 5 2->12         started        signatures3 process4 dnsIp5 42 185.29.9.125, 2404, 49763, 49764 DATACLUB-SE European Union 8->42 52 Antivirus detection for dropped file 8->52 54 Multi AV Scanner detection for dropped file 8->54 56 Query firmware table information (likely to detect VMs) 8->56 62 2 other signatures 8->62 15 svchost.exe 8->15         started        18 cmd.exe 1 8->18         started        20 itunes.exe 8->20         started        34 C:\Users\user\AppData\Roaming\...\itunes.exe, PE32 12->34 dropped 36 C:\Users\user\...\itunes.exe:Zone.Identifier, ASCII 12->36 dropped 38 C:\Users\user\AppData\Local\...\install.vbs, data 12->38 dropped 58 Hides threads from debuggers 12->58 60 Tries to detect sandboxes / dynamic malware analysis system (registry check) 12->60 22 wscript.exe 12->22         started        24 cmd.exe 12->24         started        file6 signatures7 process8 signatures9 64 Query firmware table information (likely to detect VMs) 15->64 66 Tries to detect sandboxes and other dynamic analysis tools (window names) 15->66 68 Hides threads from debuggers 15->68 70 Tries to detect sandboxes / dynamic malware analysis system (registry check) 15->70 26 reg.exe 1 18->26         started        28 conhost.exe 18->28         started        72 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 22->72 30 reg.exe 1 24->30         started        32 conhost.exe 24->32         started        process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/eb1d3b24830e9b7370fbe2c0128d43f6ba9272b8990f73446e9137b299a369bd/
Threat name:
Win32.Trojan.Tiggre
Create hunting rule
Status:
Malicious
First seen:
2022-05-24 17:32:12 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5motwjedb2nxg4h34labfdkd625je4vytehxgrdose33fgndng6q._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:rh1 collection evasion persistence rat spyware stealer themida trojan
Link:
https://tria.ge/reports/220524-v39k3abea3/
Behaviour
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies registry class
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
Checks whether UAC is enabled
Checks BIOS information in registry
Checks computer location settings
Deletes itself
Loads dropped DLL
Reads user/profile data of web browsers
Themida packer
Executes dropped EXE
Identifies VirtualBox via ACPI registry values (likely anti-VM)
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
UAC bypass
Malware Config
C2 Extraction:
185.29.9.125:2404
Unpacked files
SH256 hash:
d4d6f3ae528f9ae641dd4b23cdf4ae377ffe16f70ad8e63a9d419f2a2bbd5a8e
MD5 hash:
900691672a928dfa57f4c43605675914
SHA1 hash:
7e71c918c9a3a1892616c3845910b35c14b29917
Link:
https://www.unpac.me/results/0421beed-779e-40d3-a8dc-7bc78a3802d6/
SH256 hash:
eb1d3b24830e9b7370fbe2c0128d43f6ba9272b8990f73446e9137b299a369bd
MD5 hash:
d9a19a5c8df54973e2336bbfd95cbe5b
SHA1 hash:
f7983f98f6a6e769c97027dc65ff5e9d6e009488
Link:
https://www.unpac.me/results/0421beed-779e-40d3-a8dc-7bc78a3802d6/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.50
Link:
https://yomi.yoroi.company/submissions/eb1d3b24830e9b7370fbe2c0128d43f6ba9272b8990f73446e9137b299a369bd

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:INDICATOR_EXE_Packed_Themida
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with Themida
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:remcos_rat
Create hunting rule
Author:jeFF0Falltrades

File information

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

Web download

RemcosRAT

Executable exe eb1d3b24830e9b7370fbe2c0128d43f6ba9272b8990f73446e9137b299a369bd

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2209629/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/274200/

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