MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 fa46624d2dd01d99a0a1801e67a9e7688d477c1b8e12ca8b50c271a8f226271b. 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
| SHA256 hash: | fa46624d2dd01d99a0a1801e67a9e7688d477c1b8e12ca8b50c271a8f226271b |
|---|---|
| SHA3-384 hash: | 25e6818d17510929050fa3bd45985585c28a3447848b75eaee177a8d3b8bf5f19ff6e5b6fcb2cd846cc4deaf725b3c21 |
| SHA1 hash: | 88f8e7c796b1bdd7f81a277ea68e3f931e41b829 |
| MD5 hash: | fffa5b3e6850c4b61005f41003623395 |
| humanhash: | vegan-thirteen-kentucky-oklahoma |
| File name: | fffa5b3e6850c4b61005f41003623395.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 794'112 bytes |
| First seen: | 2023-03-09 08:41:41 UTC |
| Last seen: | 2023-03-09 10:34:30 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger) |
| ssdeep | 24576:JuOZ6wGkB+e9uf80lzUOjj/46TLLR2fUHO:iSOjDzLL4fUHO |
| Threatray | 21 similar samples on MalwareBazaar |
| TLSH | T18CF4BE167CEC226FE7B3CB7A6242540C77751164B22EFDE128C5E3DB2A81B131A52D1B |
| 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) |
| File icon (PE): |  |
| dhash icon | 69f0d284deb4f069 (10 x AgentTesla, 3 x SnakeKeylogger, 2 x Loki) |
| Reporter |  abuse_ch |
| Tags: | exe RemcosRAT |
Intelligence
File Origin
# of uploads :
2
# of downloads :
217
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
fffa5b3e6850c4b61005f41003623395.exe
Verdict:
Malicious activity
Analysis date:
2023-03-09 09:11:43 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
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
Changing a file
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
Blocking the User Account Control
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
packed remcos
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
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.
Malware family:
REMCOS
Verdict:
Malicious
Result
Threat name:
Remcos
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
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
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 Remcos RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Remcos
Status:
Malicious
First seen:
2023-03-09 05:56:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
17 of 38 (44.74%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 11 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos botnet:update brand:microsoft evasion persistence phishing rat trojan
Behaviour
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies registry class
Modifies registry key
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Detected potential entity reuse from brand microsoft.
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Remcos
UAC bypass
Malware Config
C2 Extraction:
ytuna1709.duckdns.org:3035
Unpacked files
SH256 hash:
19af4bd362626268a49b289adcb937015a40de31baf3a0ad574ee942e88ab1f7
MD5 hash:
92a67ceceb9653bb5a8d10999ca01f53
SHA1 hash:
cb0ee3e4f078320e62f6fe52e246bc64bab4743c
Detections:
Remcos
win_remcos_auto
win_remcos_g0
SH256 hash:
41777ceac6b452b9871606817279c36b06b4da9877f1cf991415060655191952
MD5 hash:
e315ad2e872bbc2ccd7b75b01cc975f2
SHA1 hash:
a950d697dd1812c763930b97b2feb1ec39185c6c
SH256 hash:
57c9f486be687ebc08a756e5fd750fc63f3f3b8892b46508589ecfd2b69c9eca
MD5 hash:
cd7051e0594ee4d89521baffc7693b41
SHA1 hash:
9b7ee6f1bc68f29807b96c7487b12c751cff427b
SH256 hash:
d144989d8dc808c26338c65dcb3652f565f96aa77179ff16ac9e073d753efc8b
MD5 hash:
eb69edfa7caf70a70411d253ae805cb4
SHA1 hash:
5c9f3ecffc92a1cd63192b548978c52e69630ace
SH256 hash:
8090a9e5a368f122757fb4e006f0945f2c7f116be297045ec083031546ad3c8b
MD5 hash:
59c1233fd05ebb0e828d755d905bb974
SHA1 hash:
1bd8cdd68821c910f08d4b947d29479110b6fb85
SH256 hash:
fa46624d2dd01d99a0a1801e67a9e7688d477c1b8e12ca8b50c271a8f226271b
MD5 hash:
fffa5b3e6850c4b61005f41003623395
SHA1 hash:
88f8e7c796b1bdd7f81a277ea68e3f931e41b829
Malware family:
Remcos
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.63
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
Delivery method
Distributed via web download
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