MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 c5b83cba12fc69072661e0c8d473ed6d4263580764f0ac0476e4306df3f71e64. 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: | c5b83cba12fc69072661e0c8d473ed6d4263580764f0ac0476e4306df3f71e64 |
|---|---|
| SHA3-384 hash: | 5a207bbc32b7f98e0e87ccadc9daa957c32d940bc21d9077333f950d2b647ff3191933a5aab10e47ebac50dbc566f260 |
| SHA1 hash: | 2f9969dbb0ed681a09f63617d33d05a0eef48549 |
| MD5 hash: | 77a000040794e39fa8a64c459fbd0a80 |
| humanhash: | lithium-fix-fanta-pluto |
| File name: | roominglist.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 557'946 bytes |
| First seen: | 2023-02-28 09:46:34 UTC |
| Last seen: | 2023-02-28 11:30:04 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 431 x GuLoader) |
| ssdeep | 12288:qYX/Rm9sbIey56fDEiYay4N21ArUhkX5FUzAmjNagGaIzAYdP:qYX/Rm9eIeTJoKi0UhkzOQgFIzAYdP |
| Threatray | 312 similar samples on MalwareBazaar |
| TLSH | T19EC4226056F8D553F7A16873CF3826A5ABB8A6A11C68DB6707D0C3307FE21810E1BB71 |
| TrID | 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 15.9% (.EXE) Win64 Executable (generic) (10523/12/4) 9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 7.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 6.8% (.EXE) Win32 Executable (generic) (4505/5/1) |
| File icon (PE): |  |
| dhash icon | 6403111c2e2a1568 (15 x SnakeKeylogger, 1 x NanoCore, 1 x Loki) |
| Reporter |  abuse_ch |
| Tags: | exe RAT RemcosRAT |
Intelligence
File Origin
# of uploads :
2
# of downloads :
233
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
ID:
1
File name:
roominglist.exe
Verdict:
Malicious activity
Analysis date:
2023-02-28 09:49:15 UTC
Tags:
trojan rat remcos stealer keylogger
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
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Сreating synchronization primitives
Setting a keyboard event handler
DNS request
Sending a custom TCP request
Creating a file
Sending an HTTP GET request
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
overlay packed remcos shell32.dll
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
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
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to inject code into remote processes
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
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Sample uses process hollowing technique
Sigma detected: Remcos
Snort IDS alert for network traffic
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)
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Detection:
remcos
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2023-02-28 09:47:06 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
19 of 25 (76.00%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 302 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos botnet:nomi collection persistence rat spyware stealer
Behaviour
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
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
logzhome.mywire.org:2404
Unpacked files
SH256 hash:
7963e4593b668ddc1d0e320c51075a74ddebc539d3c5e6a2c9e09edb56561eac
MD5 hash:
66c34d09416d59a38fa5ba5fc9a56d4e
SHA1 hash:
56cc509937a6da69a516d60e8aa094fbf2e47939
Detections:
Remcos
win_remcos_auto
SH256 hash:
7b76c4525ad850a8afc4a68c03f97ad9b343c15d22e4a631010df9e8d0bcc8bf
MD5 hash:
b6e36089abf1986278dba09ff07b69b3
SHA1 hash:
06d19988c1ab83b94018dcfc3f197d390980076a
SH256 hash:
c5b83cba12fc69072661e0c8d473ed6d4263580764f0ac0476e4306df3f71e64
MD5 hash:
77a000040794e39fa8a64c459fbd0a80
SHA1 hash:
2f9969dbb0ed681a09f63617d33d05a0eef48549
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
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: | iexplorer_remcos |
|---|---|
| Author: | iam-py-test |
| Description: | Detect iexplorer being taken over by Remcos |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM |
|---|---|
| Author: | ditekSHen |
| Description: | Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) |
| Rule name: | Remcos |
|---|---|
| Author: | kevoreilly |
| Description: | Remcos Payload |
| Rule name: | REMCOS_RAT_variants |
|---|
| Rule name: | shellcode |
|---|---|
| Author: | nex |
| Description: | Matched shellcode byte patterns |
| Rule name: | Windows_Trojan_Remcos_b296e965 |
|---|---|
| Author: | Elastic Security |
| Rule name: | win_remcos_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | Detects win.remcos. |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.