MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5fc47bba076e30759ef93078ae0a5aa3748004c80c8d00eb3fc789eb58853aff. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5fc47bba076e30759ef93078ae0a5aa3748004c80c8d00eb3fc789eb58853aff
SHA3-384 hash: 9aa2a6998a66b19597b9c0d96bfa73a8083a63923fa539aaa33827bf314d49c7b393c37067101c2c31f710cc3377862c
SHA1 hash: 41b938c0205e1d7adc42e316a103f251cd1594e6
MD5 hash: 2cf755e69a25d8c957014e84c0353572
humanhash: lamp-king-gee-mango
File name:2cf755e69a25d8c957014e84c0353572.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:526'336 bytes
First seen:2023-12-04 09:28:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:22iNtIum4gKBXEvQDxnJLKf6oHCDJH1KA34kRtmi:21e4d1t/KKHM
Threatray 326 similar samples on MalwareBazaar
TLSH T12DB422166364AB7BC5374FF72C80A50A87B4C617487AE4DA5DAC108C7533B7186B2E2F
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
293
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
2cf755e69a25d8c957014e84c0353572.exe
Verdict:
Malicious activity
Analysis date:
2023-12-04 09:48:43 UTC
Tags:
rat remcos
Link:
https://app.any.run/tasks/a14af5fb-512a-414e-9325-60e39bea3fe1

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/462321/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Creating a file in the Windows subdirectories
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a process from a recently created file
Setting a keyboard event handler
DNS request
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/656d9be66d4756846dc76f9a/reports/3e45cd57-aa9c-40a4-a655-ff462f97875f/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/5fc47bba076e30759ef93078ae0a5aa3748004c80c8d00eb3fc789eb58853aff
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/bd40f78e-cdb2-4c32-a59e-2e575b6dbe37
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1353035
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
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
Contains functionality to capture and log keystrokes
Contains functionality to detect virtual machines (IN, VMware)
Contains functionality to inject code into remote processes
Contains functionality to modify clipboard data
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
Creates an autostart registry key pointing to binary in C:\Windows
Detected Remcos RAT
Drops executables to the windows directory (C:\Windows) and starts them
Found malware configuration
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 domain / URL
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 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 dnsIp2 2 Behavior Graph ID: 1353035 Sample: oUZzzsVnZb.exe Startdate: 04/12/2023 Architecture: WINDOWS Score: 100 55 ascoitaliasasummer.duckdns.org 2->55 69 Snort IDS alert for network traffic 2->69 71 Multi AV Scanner detection for domain / URL 2->71 73 Found malware configuration 2->73 77 15 other signatures 2->77 11 oUZzzsVnZb.exe 3 2->11         started        14 Windows Sessions Pause.exe 2->14         started        16 Windows Sessions Pause.exe 2 2->16         started        18 Windows Sessions Pause.exe 2 2->18         started        signatures3 75 Uses dynamic DNS services 55->75 process4 signatures5 93 Detected Remcos RAT 11->93 95 Contains functionality to detect virtual machines (IN, VMware) 11->95 97 Contains functionality to steal Chrome passwords or cookies 11->97 103 5 other signatures 11->103 20 oUZzzsVnZb.exe 2 5 11->20         started        24 oUZzzsVnZb.exe 11->24         started        26 oUZzzsVnZb.exe 11->26         started        99 Drops executables to the windows directory (C:\Windows) and starts them 14->99 28 Windows Sessions Pause.exe 14->28         started        30 Windows Sessions Pause.exe 2 16->30         started        33 Windows Sessions Pause.exe 16->33         started        101 Injects a PE file into a foreign processes 18->101 35 Windows Sessions Pause.exe 18->35         started        process6 dnsIp7 53 C:\Windows\...\Windows Sessions Pause.exe, PE32 20->53 dropped 79 Detected Remcos RAT 20->79 81 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 20->81 83 Creates an autostart registry key pointing to binary in C:\Windows 20->83 37 cmd.exe 1 20->37         started        59 ascoitaliasasummer.duckdns.org 194.147.140.212, 2025, 49734, 49741 PTPEU unknown 30->59 85 Installs a global keyboard hook 30->85 file8 signatures9 process10 signatures11 87 Uses ping.exe to sleep 37->87 89 Uses ping.exe to check the status of other devices and networks 37->89 40 Windows Sessions Pause.exe 3 37->40         started        43 PING.EXE 1 37->43         started        46 conhost.exe 37->46         started        process12 dnsIp13 91 Detected Remcos RAT 40->91 48 Windows Sessions Pause.exe 2 1 40->48         started        57 127.0.0.1 unknown unknown 43->57 signatures14 process15 signatures16 61 Detected Remcos RAT 48->61 63 Writes to foreign memory regions 48->63 65 Allocates memory in foreign processes 48->65 67 Injects a PE file into a foreign processes 48->67 51 iexplore.exe 48->51         started        process17
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/5fc47bba076e30759ef93078ae0a5aa3748004c80c8d00eb3fc789eb58853aff
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5fc47bba076e30759ef93078ae0a5aa3748004c80c8d00eb3fc789eb58853aff/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2023-12-03 17:22:21 UTC
AV detection:
17 of 23 (73.91%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=l7chxoqhnyyhlhxzgb4k4cs2un2iabgibsgqb2z7y6e6wwefhl7q._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
agenttesla
Create hunting rule
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56fee643ba39ac908309688827397099ca6b707c45154eb14da1b693f6b16571
RemcosRAT
9acd14f51f44097e8f00ff0bf413ffdd856c2d7d762064843040a2cde4df3f60
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a1e66473cfdd393d62a203c1f16190106881f1fe6a671081e232f6ec1ab191fa
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c851749fd6c9fa19293d8ee2c5b45b3dc8561115ddfe7166fbaefcb9b353b7c4
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d061bccf32fbb8184f85439a17e4fcece7f816ea93681a80c7506e159f043cbf
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d45d40989488d330e82db097aa2d857ea5d620526171cd8fb145ef62cb4ea701
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d72b99be6c28cec8f3672df1ef58a69cb08524e181fb7ba53edbdab73f3ccf44
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f79d3098bfb090b6aaa390943e247178f3acff7c8214467df000cd3f102a2382
RemcosRAT
+ 316 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:christmas persistence rat
Link:
https://tria.ge/reports/231204-lfxhjsac75/
Behaviour
Modifies Internet Explorer settings
Runs ping.exe
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of FindShellTrayWindow
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
Loads dropped DLL
Remcos
Malware Config
C2 Extraction:
ascoitaliasasummer.duckdns.org:2025
Unpacked files
SH256 hash:
da6d8d7504e53037bfe4a9a4d689a7d49fbbb9d75d914b425e9dc124919e6387
MD5 hash:
afa9ea1a7f8623575bc979b701caa6df
SHA1 hash:
29fec7369c96670463f6f242b7464d763edf4cd6
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
win_remcos_g0
Create hunting rule
Remcos
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Link:
https://www.unpac.me/results/95f3370d-4520-491a-9a06-791e7021962a/
SH256 hash:
bc99dcc182eaf17394c34611c1aef4ad45c3079ae116c19caa17620d64c39f7c
MD5 hash:
84fe0cc42b4f30e7b6f58c92f9ad3d56
SHA1 hash:
d753cc7cc8e2927f9cde57fb67b5bceebd2f5fd2
Link:
https://www.unpac.me/results/95f3370d-4520-491a-9a06-791e7021962a/
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
Link:
https://www.unpac.me/results/95f3370d-4520-491a-9a06-791e7021962a/
SH256 hash:
0e8a5f6bd3e915b9d2fae9428730dc5017348d23b622bccbb1971e352052734b
MD5 hash:
56feb04fdc8b0453c62267ac204ed555
SHA1 hash:
7d41fb41cac90bea85cb6691a5945568115cbcbf
Link:
https://www.unpac.me/results/95f3370d-4520-491a-9a06-791e7021962a/
SH256 hash:
49c78b4cbff00af048b7085588a65de4bdf160298ac4d066e59f1e39bd5b771d
MD5 hash:
bd4bbba6cf1475c5af8207f1e2f473ff
SHA1 hash:
507c10b53127d355f7c5804280de83991c1a605a
Link:
https://www.unpac.me/results/95f3370d-4520-491a-9a06-791e7021962a/
SH256 hash:
5fc47bba076e30759ef93078ae0a5aa3748004c80c8d00eb3fc789eb58853aff
MD5 hash:
2cf755e69a25d8c957014e84c0353572
SHA1 hash:
41b938c0205e1d7adc42e316a103f251cd1594e6
Link:
https://www.unpac.me/results/95f3370d-4520-491a-9a06-791e7021962a/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5fc47bba076e/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/5fc47bba076e30759ef93078ae0a5aa3748004c80c8d00eb3fc789eb58853aff

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.

Web download

RemcosRAT

Executable exe 5fc47bba076e30759ef93078ae0a5aa3748004c80c8d00eb3fc789eb58853aff

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2722669/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/462321/

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