MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b8da12e68ed8f20c9e15ce149a302c9320e78672fd22ffb5fbba9cd89b3d55ea. 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: 18
| SHA256 hash: | b8da12e68ed8f20c9e15ce149a302c9320e78672fd22ffb5fbba9cd89b3d55ea |
|---|---|
| SHA3-384 hash: | 809a2910e35026418b00153e1c6d77772099df0a56cdacd0bb89fc61aa1ba9e946c7df2cc8c5336830109d27dbfe5f10 |
| SHA1 hash: | 823990aabc34510175f87047929c9d92e765ba45 |
| MD5 hash: | 5b262eda9652c97fdccca1d4c143eb7f |
| humanhash: | emma-fillet-oranges-burger |
| File name: | PO_142023 December final order.scr |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 2'182'880 bytes |
| First seen: | 2023-12-14 07:23:53 UTC |
| Last seen: | 2023-12-14 09:23:26 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger) |
| ssdeep | 49152:z+Iw8Mgqq0ItbmpUFa0WpOhlRciK7xwRCvKGU/udzKDFZ:z+MX9CUw0WwhlrpRCvdKDr |
| Threatray | 21 similar samples on MalwareBazaar |
| TLSH | T134A5F1008C1256C0E1E2665F5DE1A7530EBF00BB28EAF75A39B35DD628E038794D7F99 |
| TrID | 30.2% (.EXE) Win64 Executable (generic) (10523/12/4) 18.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 14.5% (.EXE) Win16 NE executable (generic) (5038/12/1) 12.9% (.EXE) Win32 Executable (generic) (4505/5/1) 5.9% (.ICL) Windows Icons Library (generic) (2059/9) |
| File icon (PE): |  |
| dhash icon | c4414c46464c41c4 (3 x RemcosRAT, 2 x NanoCore) |
| Reporter |  abuse_ch |
| Tags: | exe RemcosRAT scr signed |
Code Signing Certificate
| Organisation: | Microsoft Code Signing PCA 2011 |
|---|---|
| Issuer: | Microsoft Code Signing PCA 2011 |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2023-12-14T04:22:43Z |
| Valid to: | 2024-12-14T04:22:43Z |
| Serial number: | b4b545c3d2de0b90e2d85012dabf6889 |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | aa8df59519936c01a246921127b73b6dca1752543fccc407b676378083639816 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
2
# of downloads :
326
Origin country :
NLVendor Threat Intelligence
Malware family:
remcos
ID:
1
File name:
PO_142023 December final order.scr
Verdict:
Malicious activity
Analysis date:
2023-12-14 07:38:08 UTC
Tags:
rat remcos remote keylogger stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file
Launching a process
Creating a process from a recently created file
Creating a window
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Reading critical registry keys
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Running batch commands
Creating a process with a hidden window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Stealing user critical data
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
masquerade overlay packed
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
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
Verdict:
Malicious
Result
Threat name:
Remcos
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Changes security center settings (notifications, updates, antivirus, firewall)
Contains functionality to bypass UAC (CMSTPLUA)
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
Contains functionalty to change the wallpaper
Delayed program exit found
Drops PE files with benign system names
Found malware configuration
Initial sample is a PE file and has a suspicious name
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)
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Query firmware table information (likely to detect VMs)
Sigma detected: Remcos
Sigma detected: Schedule system process
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Detection:
remcos
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2023-12-14 05:49:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
20 of 37 (54.05%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 11 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos botnet:rembin collection evasion persistence rat
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
Maps connected drives based on registry
Checks BIOS information in registry
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
maxlogs.webhop.me:1645
newnex.3utilities.com:5187
newnex.3utilities.com:5187
Unpacked files
SH256 hash:
b8da12e68ed8f20c9e15ce149a302c9320e78672fd22ffb5fbba9cd89b3d55ea
MD5 hash:
5b262eda9652c97fdccca1d4c143eb7f
SHA1 hash:
823990aabc34510175f87047929c9d92e765ba45
Malware family:
Remcos
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
0.90
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
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