MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 811e8e24493ef71f762e4b01f731bfd6441b06cbcfe1937f1efc82f2502a0756. 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: 17


Intelligence 17 IOCs YARA 2 File information Comments 1

SHA256 hash: 811e8e24493ef71f762e4b01f731bfd6441b06cbcfe1937f1efc82f2502a0756
SHA3-384 hash: 66d6946fd343d6206d8fc5412ac4ec370994e1e703d6ed54a44fabcd5c55341526411411588d77b019d674fd518cd024
SHA1 hash: f87fdcb8ab809d09da8b663b27d0bef415aec6b8
MD5 hash: f5f020d24f7377edeede4be1817f2e1c
humanhash: oxygen-rugby-friend-river
File name:f5f020d24f7377edeede4be1817f2e1c
Download: download sample
Signature RemcosRAT
File size:962'560 bytes
First seen:2022-11-02 01:31:50 UTC
Last seen:2022-11-02 03:52:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:0l8xqciNmnCzcNxVlBUHqzfijgY3d66x0402GSl:SU1nCzcdlKngYNJx040VS
Threatray 2'815 similar samples on MalwareBazaar
TLSH T12325231B92DE89B3CEF80379DA74755353B861092A33E38F4DDD5A8A5EB3BD42106C06
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 d02f2b3337297b96 (20 x RemcosRAT, 4 x AgentTesla, 1 x NanoCore)
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
286
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
f5f020d24f7377edeede4be1817f2e1c
Verdict:
Malicious activity
Analysis date:
2022-11-02 01:33:48 UTC
Tags:
rat remcos

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Searching for the window
Creating a window
Launching a process
Creating a process with a hidden window
Running batch commands
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
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.
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for dropped file
C2 URLs / IPs found in 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
Sigma detected: Remcos
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 735556 Sample: OYXHXsW7Y7.exe Startdate: 02/11/2022 Architecture: WINDOWS Score: 100 47 maly22333.ddnsking.com 2->47 51 Multi AV Scanner detection for domain / URL 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 Antivirus detection for dropped file 2->55 57 8 other signatures 2->57 11 OYXHXsW7Y7.exe 3 2->11         started        15 iys.exe 2 2->15         started        17 iys.exe 2 2->17         started        signatures3 process4 file5 45 C:\Users\user\AppData\...\OYXHXsW7Y7.exe.log, ASCII 11->45 dropped 61 Injects a PE file into a foreign processes 11->61 19 OYXHXsW7Y7.exe 4 4 11->19         started        22 iys.exe 15->22         started        24 iys.exe 17->24         started        signatures6 process7 file8 39 C:\Users\user\AppData\Roaming\iys.exe, PE32 19->39 dropped 41 C:\Users\user\...\iys.exe:Zone.Identifier, ASCII 19->41 dropped 43 C:\Users\user\AppData\Local\...\install.vbs, data 19->43 dropped 26 wscript.exe 1 19->26         started        process9 process10 28 cmd.exe 1 26->28         started        process11 30 iys.exe 3 28->30         started        33 conhost.exe 28->33         started        signatures12 63 Multi AV Scanner detection for dropped file 30->63 65 Machine Learning detection for dropped file 30->65 67 Injects a PE file into a foreign processes 30->67 35 iys.exe 2 1 30->35         started        process13 dnsIp14 49 maly22333.ddnsking.com 185.216.71.163, 3091, 49699, 49700 CLOUDCOMPUTINGDE Germany 35->49 59 Installs a global keyboard hook 35->59 signatures15
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2022-10-28 08:36:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
27 of 40 (67.50%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:malymoney persistence rat
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
maly22333.ddnsking.com:3091
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
b7f2bfb8802b0e433d27e89ced814716c850c77b1bd7d491cc3d1eb4d84e0948
MD5 hash:
983ad910911da7f73e3b8787ed0df20e
SHA1 hash:
83916d5a75bddc7fac5783ca508ff7d14e1d6ea0
SH256 hash:
3053ede0afa56e1548b7a79365977a3a5a0f74c0eabd733dfd780dbe1ffdde45
MD5 hash:
a2278be40ee8f6790b9d4251437ed3c5
SHA1 hash:
e441bd7096ad93e6c21d228bbf78ad62dfe6bcf8
SH256 hash:
45dde347bfd902892ccfe89f3ef4865ccc25e0216472a78503828f8771e0d8c9
MD5 hash:
fcbbdaa35909c6a34f20b26e98a96bf9
SHA1 hash:
1c4f02a015bbf660402ba559bbc5b82f2b540837
SH256 hash:
811e8e24493ef71f762e4b01f731bfd6441b06cbcfe1937f1efc82f2502a0756
MD5 hash:
f5f020d24f7377edeede4be1817f2e1c
SHA1 hash:
f87fdcb8ab809d09da8b663b27d0bef415aec6b8
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Rule name:Skystars_Malware_Imphash
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 811e8e24493ef71f762e4b01f731bfd6441b06cbcfe1937f1efc82f2502a0756

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-11-02 01:31:52 UTC

url : hxxp://185.216.71.161/MMA.exe