MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e49652ae364f8e79333c289887bd0c3e5dde9efcad680039863ad32ea8ac9724. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e49652ae364f8e79333c289887bd0c3e5dde9efcad680039863ad32ea8ac9724
SHA3-384 hash: 6e59daec8ff69102dc747385bc222050fc40e7182df7f12b964b8e5dbfd32b7d43639fe376fd7d0431d34175ddcd3654
SHA1 hash: 65ee23e7176fe0365f8632ce2b8c73524d63c270
MD5 hash: c95edf6adbb8c23515cc62df28ad8251
humanhash: ack-quiet-butter-winner
File name:c95edf6adbb8c23515cc62df28ad8251.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:519'680 bytes
First seen:2021-06-03 09:58:40 UTC
Last seen:2021-06-03 10:58:12 UTC
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:fPJmgyVLqZRN1C5vvoYyMH3JC+v0NFge:oDg1C5vQWH5OFg
Threatray 1'800 similar samples on MalwareBazaar
TLSH B0B4DF16F3A4CA8AF0182F734765D9010F743C53B475C63D685676E748B2BA31AABA33
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
ytuna7325.duckdns.org

Intelligence

File Origin
# of uploads :
2
# of downloads :
164
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
273862042760d438235523ad40d62532c150624bad994e6000f5df2e7bf18ab5
Verdict:
Malicious activity
Analysis date:
2021-06-03 09:48:45 UTC
Tags:
exploit CVE-2017-11882 loader
Link:
https://app.any.run/tasks/ea91f6fa-a9f7-49cf-a6a9-113fbb77387d

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/164352/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file
Creating a file in the Windows subdirectories
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Launching cmd.exe command interpreter
Running batch commands
Creating a process with a hidden window
Launching a process
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
Blocking the User Account Control
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/796583
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
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 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
Detected unpacking (creates a PE file in dynamic memory)
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
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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: 428979 Sample: FZS90SxnSZ.exe Startdate: 03/06/2021 Architecture: WINDOWS Score: 100 72 Found malware configuration 2->72 74 Malicious sample detected (through community Yara rule) 2->74 76 Multi AV Scanner detection for dropped file 2->76 78 9 other signatures 2->78 11 FZS90SxnSZ.exe 3 2->11         started        15 Windows Audio Device Picture.exe 2 2->15         started        17 Windows Audio Device Picture.exe 2 2->17         started        process3 file4 66 C:\Users\user\AppData\...\FZS90SxnSZ.exe.log, ASCII 11->66 dropped 94 Contains functionality to detect virtual machines (IN, VMware) 11->94 96 Contains functionality to steal Chrome passwords or cookies 11->96 98 Contains functionality to capture and log keystrokes 11->98 104 2 other signatures 11->104 19 FZS90SxnSZ.exe 1 5 11->19         started        100 Injects a PE file into a foreign processes 15->100 23 Windows Audio Device Picture.exe 3 15->23         started        102 Drops executables to the windows directory (C:\Windows) and starts them 17->102 26 Windows Audio Device Picture.exe 17->26         started        signatures5 process6 dnsIp7 62 C:\...\Windows Audio Device Picture.exe, PE32 19->62 dropped 64 Windows Audio Devi...exe:Zone.Identifier, ASCII 19->64 dropped 88 Creates an autostart registry key pointing to binary in C:\Windows 19->88 28 cmd.exe 1 19->28         started        31 cmd.exe 1 19->31         started        70 ytuna7325.duckdns.org 194.5.98.55, 2025, 49746 DANILENKODE Netherlands 23->70 90 Installs a global keyboard hook 23->90 33 cmd.exe 1 23->33         started        file8 signatures9 process10 signatures11 106 Uses ping.exe to sleep 28->106 35 Windows Audio Device Picture.exe 3 28->35         started        37 PING.EXE 1 28->37         started        40 conhost.exe 28->40         started        108 Uses cmd line tools excessively to alter registry or file data 31->108 110 Uses ping.exe to check the status of other devices and networks 31->110 42 conhost.exe 31->42         started        44 reg.exe 1 31->44         started        46 conhost.exe 33->46         started        48 reg.exe 33->48         started        process12 dnsIp13 50 Windows Audio Device Picture.exe 2 1 35->50         started        68 127.0.0.1 unknown unknown 37->68 process14 signatures15 80 Detected Remcos RAT 50->80 82 Writes to foreign memory regions 50->82 84 Allocates memory in foreign processes 50->84 86 Injects a PE file into a foreign processes 50->86 53 cmd.exe 1 50->53         started        56 iexplore.exe 50->56         started        process16 signatures17 92 Uses cmd line tools excessively to alter registry or file data 53->92 58 conhost.exe 53->58         started        60 reg.exe 1 53->60         started        process18
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e49652ae364f8e79333c289887bd0c3e5dde9efcad680039863ad32ea8ac9724/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-06-03 07:44:18 UTC
AV detection:
11 of 47 (23.40%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=4slfflrwj6hhsmz4fcmippimhzo55hx4vvuaaomghljs5kfms4sa._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
22625eca10f2d11d3ec97c1a77b74a298e82e5c0e6d450a8dd4f0be0a4d7286d
RemcosRAT
3a8250e0d2ff4904db22d00a5c18f82bce1b2bcadf1a4d1029ef1c02e5210fbe
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4babd6fa58cd93ab9f6c80717a8dc1330443f437bce73e4f9299ff1d30b431dc
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5b474ca6fc8158bd6f14d53bca8962f25db3392dfe324f49ddf376610bd785e4
RemcosRAT
5f4e4a43a01b235d781c6888198b18750529dda9fc4727727940115090e06a6d
RemcosRAT
74a4c90b44c56630cef55f461b176b8200b5c86fd31b4fde52602a4c725f47fa
RemcosRAT
96b067e320b73d73d44df9a4ccc7041deec2059fb26a2efa50a877a528ada172
RemcosRAT
ac7d008a3ac44bc8dfe3edbbc8542ed5b51bcf911b67eb8e9a715ebb5250ad27
RemcosRAT
ce4962d3126223b4bd68704159cbdc7479fb2df4263fb9f3d57492e770b74a94
RemcosRAT
e18af05272a47b781350c7582f3a6a02744801b267deafc256556966cc926192
RemcosRAT
+ 1'790 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos evasion persistence rat trojan
Link:
https://tria.ge/reports/210603-wrnprderye/
Behaviour
Modifies Internet Explorer settings
Modifies registry class
Modifies registry key
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
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
Loads dropped DLL
Executes dropped EXE
Remcos
UAC bypass
Malware Config
C2 Extraction:
ytuna7325.duckdns.org:2025
Unpacked files
SH256 hash:
d603f8465a02014a4201f5bf51fc2e62e6a8cb2f181ce2974a5a94a0eca94062
MD5 hash:
650219feb7227517d3efb5cbc1cfa691
SHA1 hash:
e41643d5506a99a22175e5f72edb1f479f11ded7
Link:
https://www.unpac.me/results/b5061d71-bd69-4b01-b2ec-ce4472e89c7f/
SH256 hash:
ecf97854faa09245fea918a9752b6dd04b300ab9695f7e49a57f8f66e55eb4ad
MD5 hash:
9d8894eb7f699770f57331d92cd4c982
SHA1 hash:
719a13268a4e33721108664d50f6ca115b032533
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/b5061d71-bd69-4b01-b2ec-ce4472e89c7f/
SH256 hash:
5bede9eedf6ae6df5a9d587c116c9583b31474c159c2b53486b000093cb3fde6
MD5 hash:
072eeac61b35d3f09edee4ff4f80f52d
SHA1 hash:
696fd9905a47e526470c2e234fef32f1ec1b74ad
Link:
https://www.unpac.me/results/b5061d71-bd69-4b01-b2ec-ce4472e89c7f/
SH256 hash:
e49652ae364f8e79333c289887bd0c3e5dde9efcad680039863ad32ea8ac9724
MD5 hash:
c95edf6adbb8c23515cc62df28ad8251
SHA1 hash:
65ee23e7176fe0365f8632ce2b8c73524d63c270
Link:
https://www.unpac.me/results/b5061d71-bd69-4b01-b2ec-ce4472e89c7f/
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/e49652ae364f8e79333c289887bd0c3e5dde9efcad680039863ad32ea8ac9724

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
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 e49652ae364f8e79333c289887bd0c3e5dde9efcad680039863ad32ea8ac9724

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1219995/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/164352/

Comments