MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 43ecf48abd7270d67f21bc933f9e9f7b830727a72b3287882767da9efa1758c8. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
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SHA256 hash: 43ecf48abd7270d67f21bc933f9e9f7b830727a72b3287882767da9efa1758c8
SHA3-384 hash: c80fdd85537002f053f71a85b8bd9bbccfc2968e36e44b840f86588ec881120a153541a7a870895c77838e48f61e2ec2
SHA1 hash: 6899bb9d5b5a5ad0095172a5ba6bd08542e013aa
MD5 hash: 9270935d733efb4b9e82974daaf3e27f
humanhash: red-don-batman-lima
File name:9270935d733efb4b9e82974daaf3e27f.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:787'456 bytes
First seen:2022-08-26 07:53:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:xDT/0shbH1VT/0shbbhW4NE8a7we7E0sNPc:D51NhWxj7we7E0C
TLSH T19BF4E009BAE6C853C2B62733C9D246104734A685EE17CB5F36C923AD09127EFCD46B97
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon ce9c9496e4949c9c (73 x AgentTesla, 51 x SnakeKeylogger, 30 x Formbook)
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
304
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
9270935d733efb4b9e82974daaf3e27f.exe
Verdict:
Malicious activity
Analysis date:
2022-08-26 07:56:23 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b88239d2-9bf4-49c7-a429-944dab25046c

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/301339/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching cmd.exe command interpreter
Creating a file in the Windows subdirectories
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Launching a process
Running batch commands
Creating a process with a hidden window
Creating a process from a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63087c5ec9bbd9909795a685/reports/8737ff99-a947-44f6-a136-7480141b1216/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.
Malware family:
REMCOS
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b4683ab4-0056-414f-887c-c3f3b6d6a34f
Result
Threat name:
Remcos
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1058238
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates an autostart registry key pointing to binary in C:\Windows
Detected Remcos RAT
Disables UAC (registry)
Drops executables to the windows directory (C:\Windows) and starts them
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
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses cmd line tools excessively to alter registry or file data
Uses dynamic DNS services
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 690755 Sample: ypQPn0euiM.exe Startdate: 26/08/2022 Architecture: WINDOWS Score: 100 75 Snort IDS alert for network traffic 2->75 77 Malicious sample detected (through community Yara rule) 2->77 79 Antivirus detection for URL or domain 2->79 81 11 other signatures 2->81 11 ypQPn0euiM.exe 3 2->11         started        14 Windows Health Security.exe 2 2->14         started        16 Windows Health Security.exe 2 2->16         started        process3 file4 67 C:\Users\user\AppData\...\ypQPn0euiM.exe.log, ASCII 11->67 dropped 19 ypQPn0euiM.exe 1 5 11->19         started        23 Windows Health Security.exe 14->23         started        73 Drops executables to the windows directory (C:\Windows) and starts them 16->73 26 Windows Health Security.exe 16->26         started        signatures5 process6 dnsIp7 63 C:\Windows\...\Windows Health Security.exe, PE32 19->63 dropped 65 Windows Health Sec...exe:Zone.Identifier, ASCII 19->65 dropped 91 Creates an autostart registry key pointing to binary in C:\Windows 19->91 28 cmd.exe 1 19->28         started        31 cmd.exe 1 19->31         started        71 referantsa12.duckdns.org 194.5.97.155, 4045, 49766 DANILENKODE Netherlands 23->71 93 Installs a global keyboard hook 23->93 33 cmd.exe 23->33         started        file8 signatures9 process10 signatures11 99 Uses ping.exe to sleep 28->99 35 Windows Health Security.exe 3 28->35         started        37 PING.EXE 1 28->37         started        40 conhost.exe 28->40         started        101 Uses cmd line tools excessively to alter registry or file data 31->101 103 Uses ping.exe to check the status of other devices and networks 31->103 42 reg.exe 1 31->42         started        45 conhost.exe 31->45         started        47 conhost.exe 33->47         started        49 reg.exe 33->49         started        process12 dnsIp13 51 Windows Health Security.exe 2 1 35->51         started        69 127.0.0.1 unknown unknown 37->69 97 Disables UAC (registry) 42->97 signatures14 process15 signatures16 83 Detected Remcos RAT 51->83 85 Writes to foreign memory regions 51->85 87 Allocates memory in foreign processes 51->87 89 Injects a PE file into a foreign processes 51->89 54 cmd.exe 1 51->54         started        57 iexplore.exe 51->57         started        process17 signatures18 95 Uses cmd line tools excessively to alter registry or file data 54->95 59 conhost.exe 54->59         started        61 reg.exe 1 54->61         started        process19
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/43ecf48abd7270d67f21bc933f9e9f7b830727a72b3287882767da9efa1758c8/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2022-08-26 03:45:58 UTC
File Type:
PE (.Net Exe)
Extracted files:
50
AV detection:
20 of 40 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ipwpjcv5ojynm7zbxsjt7hu7pobqoj5hfmzipcbhm7nj56qxldea._file
Verdict:
malicious
Label(s):
remcos
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Result
Malware family:
remcos
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Score:
  10/10
Tags:
family:remcos botnet:23rd aug evasion persistence rat trojan
Link:
https://tria.ge/reports/220826-jrjpqaadh8/
Behaviour
Modifies registry key
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Remcos
UAC bypass
Malware Config
C2 Extraction:
referantsa12.duckdns.org:4045
Unpacked files
SH256 hash:
53b8aae5b28b41b38895fdc4ed489a63b2db6446aadf044c42800703d5023dc4
MD5 hash:
d7aba769de3c491a6045bf273310abac
SHA1 hash:
9f2fdbb09ea69401b66f01176a5d9fc1a7cf2809
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/9199d3d9-9b4e-4717-b512-7d1f3482fbc1/
SH256 hash:
ceda93fdfce3ad8e4f800d4f2d940d793b68b4b0b254b652bf42e13dbd189ba7
MD5 hash:
786afe844ec1723b635cace747b60efd
SHA1 hash:
fa647a584a7fcad392147a182e3a2435b3ad5bb9
Link:
https://www.unpac.me/results/9199d3d9-9b4e-4717-b512-7d1f3482fbc1/
SH256 hash:
c87405b4d9a64773840de82bb406c25bcab8951566d3a2d0b9e94919c582af6b
MD5 hash:
50f0969ad9c63538c6b283a991e29ec2
SHA1 hash:
ecce2a0f73a0c0d91babd24ce2615054e40b02eb
Link:
https://www.unpac.me/results/9199d3d9-9b4e-4717-b512-7d1f3482fbc1/
SH256 hash:
a29ca63e42655bb4da87340eaef950735b0ec22fd28bc6e9868939a1aae8c10a
MD5 hash:
fe70cdc762a5cc71861000c1433e4ad8
SHA1 hash:
9a64d9822c047fb4772a300a674e1b1230c8b6be
Link:
https://www.unpac.me/results/9199d3d9-9b4e-4717-b512-7d1f3482fbc1/
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/9199d3d9-9b4e-4717-b512-7d1f3482fbc1/
SH256 hash:
43ecf48abd7270d67f21bc933f9e9f7b830727a72b3287882767da9efa1758c8
MD5 hash:
9270935d733efb4b9e82974daaf3e27f
SHA1 hash:
6899bb9d5b5a5ad0095172a5ba6bd08542e013aa
Link:
https://www.unpac.me/results/9199d3d9-9b4e-4717-b512-7d1f3482fbc1/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/43ecf48abd72/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/43ecf48abd7270d67f21bc933f9e9f7b830727a72b3287882767da9efa1758c8

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:pe_imphash
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Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash

File information

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

Web download

RemcosRAT

Executable exe 43ecf48abd7270d67f21bc933f9e9f7b830727a72b3287882767da9efa1758c8

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2272201/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/301339/

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