MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 138ef44ad62de7fbb51ef1e66c3fd1055c3989ba20ca7a4e4f083513080f9faa. 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: 12
| SHA256 hash: | 138ef44ad62de7fbb51ef1e66c3fd1055c3989ba20ca7a4e4f083513080f9faa |
|---|---|
| SHA3-384 hash: | ee57d5aa0bbdbcfd3cd256ccbc73ddf6ec4de9d3be2d3b6bc65f040f0ab30c23ea1751a50cec40cd7da3bc41c4eba73c |
| SHA1 hash: | b6f4e8ae7378d16d2986715a69b9eb0efecd7012 |
| MD5 hash: | eff4f95a7ae8393e96d50e6e8a83b7b3 |
| humanhash: | shade-eight-mexico-georgia |
| File name: | eff4f95a7ae8393e96d50e6e8a83b7b3 |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 327'680 bytes |
| First seen: | 2021-08-27 09:17:50 UTC |
| Last seen: | 2021-08-30 15:37:48 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 6144:n/Krkqh7dEZXG2x4kKfeiHifvxms86mgkveSTin/gfGc4:/ix2ZXGcJ6BAJz8hvveX/+Gc |
| Threatray | 1'970 similar samples on MalwareBazaar |
| TLSH | T1446412D861E9D22EC9F1CF3AD2C35A5496F0C516889FDB2D80A4B548CD3B7662B8C5CC |
| dhash icon | 489669d8d8699648 (53 x AgentTesla, 24 x SnakeKeylogger, 16 x AveMariaRAT) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe RemcosRAT |
Intelligence
File Origin
# of uploads :
2
# of downloads :
185
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
eff4f95a7ae8393e96d50e6e8a83b7b3
Verdict:
Malicious activity
Analysis date:
2021-08-27 09:18:21 UTC
Tags:
rat remcos
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
DNS request
Connection attempt
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
Malware family:
REMCOS
Verdict:
Malicious
Result
Threat name:
Remcos
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
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
Detected Remcos RAT
Found malware configuration
Injects a PE file into a foreign processes
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Downloader.Seraph
Status:
Malicious
First seen:
2021-08-26 17:57:34 UTC
AV detection:
13 of 26 (50.00%)
Threat level:
3/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 1'960 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos botnet:cross persistence rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Remcos
Malware Config
C2 Extraction:
mrtoby.hopto.org:49319
Unpacked files
SH256 hash:
310bbdcec14b8562c83801f1d49eb1893446eebd1a90336105b920a968ac830d
MD5 hash:
ee742962d671573ec1a8556473b71896
SHA1 hash:
bcdc562c672c30d1c9f56e99ed407f993387e456
Detections:
win_remcos_g0
win_remcos_auto
SH256 hash:
a0bb06b9c76db6d0707bb67e65c2081ded4d45c62f52c67b4c113e7c84067024
MD5 hash:
d1c07d5fb302709a1ecbd2e6044b5045
SHA1 hash:
d941627bd1409905dda883b6b7b0845ddce10bd7
SH256 hash:
8fe3a014a2119e0516567e9987d4731c531e467ae1a1e7d164cf2740af120919
MD5 hash:
ace0bed3275f0d102dc6581821887a62
SHA1 hash:
1b3668d5ae538800b1f95a202c665fa76f18c8da
SH256 hash:
138ef44ad62de7fbb51ef1e66c3fd1055c3989ba20ca7a4e4f083513080f9faa
MD5 hash:
eff4f95a7ae8393e96d50e6e8a83b7b3
SHA1 hash:
b6f4e8ae7378d16d2986715a69b9eb0efecd7012
Malware family:
Remcos
Verdict:
Malicious
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: | buerloader_halo_generated |
|---|---|
| Author: | Halogen Generated Rule, Corsin Camichel |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer |
|---|---|
| Author: | ditekSHen |
| Description: | detects Windows exceutables potentially bypassing UAC using eventvwr.exe |
| Rule name: | INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture |
|---|---|
| Author: | ditekSHen |
| Description: | Detect executables with stomped PE compilation timestamp that is greater than local current time |
| Rule name: | pe_imphash |
|---|
| Rule name: | pe_imphash |
|---|
| Rule name: | Remcos |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Remcos in memory |
| Rule name: | remcos_rat |
|---|---|
| Author: | jeFF0Falltrades |
| Rule name: | REMCOS_RAT_variants |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| 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.
Web download
Delivery method
Distributed via web download
Comments
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You need to login to in order to write a comment. Login with your abuse.ch account.url : hxxp://192.3.110.170/win32/WIN32C.exe