MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 023945848fc191b504323fbfbe71288affa36bde374d9d4889d083fd27341723. 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: 11
| SHA256 hash: | 023945848fc191b504323fbfbe71288affa36bde374d9d4889d083fd27341723 |
|---|---|
| SHA3-384 hash: | a026d8031e01917555fd8818592858fcc689b5536c7bf23466020ad200144f41a01c75f3d091676937562a453bfaa284 |
| SHA1 hash: | 7ee000499f65f4019dbe11b9959a407841c84b88 |
| MD5 hash: | 3c219ed791953dac7daa793f93b77b4c |
| humanhash: | mockingbird-tennessee-fish-ack |
| File name: | 3c219ed791953dac7daa793f93b77b4c.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 796'672 bytes |
| First seen: | 2020-11-02 09:09:20 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 12288:UCzvUxRViueYz7iQfzlL3IekDA6OLx21ScJDDW6izzVjplCV3Li09zDT:UgvyRgGm6uekDArLS1G6gu3 |
| Threatray | 1'010 similar samples on MalwareBazaar |
| TLSH | 3905CF4CA7948179DC6E5370F0320E1087B0FCF9A4A2DFAF7589B1F827B77A45512A92 |
| Reporter |  abuse_ch |
| Tags: | exe RAT RemcosRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
114
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Remcos
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Creating a file
Launching a process
Connection attempt
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
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
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to capture and log keystrokes
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Detected Remcos RAT
Drops PE files to the user root directory
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
Sigma detected: Remcos
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Detection:
remcos
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-11-02 09:11:10 UTC
AV detection:
22 of 27 (81.48%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 1'000 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos persistence rat
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Remcos
Malware Config
C2 Extraction:
178.238.229.54:24311
Unpacked files
SH256 hash:
023945848fc191b504323fbfbe71288affa36bde374d9d4889d083fd27341723
MD5 hash:
3c219ed791953dac7daa793f93b77b4c
SHA1 hash:
7ee000499f65f4019dbe11b9959a407841c84b88
SH256 hash:
5d95dc6a36426017f66cef05f830126cc8be64a8b0b96a9fa0e9ab2d43676421
MD5 hash:
92610e57d1d1ab3f526902c8b01536f3
SHA1 hash:
b444408a13754bf92ed92af6a7c14eaf461356f5
SH256 hash:
8ade8bfa6c0063cb1633aae52649549780f124d27b4e08c61bff1d1bc36c2a0e
MD5 hash:
b7e5590959b1880a4250277ac0f8b95f
SHA1 hash:
1ad08ee901441576fd3389b79cc62b4bdebe9603
Detections:
win_remcos_g0
win_remcos_auto
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | ach_RemcosRAT |
|---|---|
| Author: | abuse.ch |
| Rule name: | Chrome_stealer_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | Chrome in files like avemaria |
| Rule name: | Keylog_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | Contains Keylog |
| Rule name: | Parallax |
|---|---|
| Author: | @bartblaze |
| Description: | Identifies Parallax RAT. |
| Rule name: | Remcos |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Remcos in memory |
| Rule name: | win_remcos_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | autogenerated rule brought to you by yara-signator |
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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