MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 f81f70a17b0907dd726dc4f57126602ed97a746e8ec311a942767b33083dcb40. 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: | f81f70a17b0907dd726dc4f57126602ed97a746e8ec311a942767b33083dcb40 |
|---|---|
| SHA3-384 hash: | 92cf0702797b6ba1c5cd9ed4693f133e97bd7648299bfcef2648da9d68cdcaeb484633f1709f2a8f0b87efb5eaabfc46 |
| SHA1 hash: | 1d26a393d3d4c2e32a79c977fb68c4136a8d9a00 |
| MD5 hash: | 9018a8b768348ffc5cf83ded48c51059 |
| humanhash: | north-earth-four-seven |
| File name: | 7cc5360128f822bc2ddf096d63fe8e2d.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 608'768 bytes |
| First seen: | 2021-03-05 13:01:49 UTC |
| Last seen: | 2021-03-05 15:20:22 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'664 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 12288:ooF8teodM4fNDVbUs2yxkSHK2NB25mztNNXTLFbL:/OO56tNNXPl |
| Threatray | 1'631 similar samples on MalwareBazaar |
| TLSH | 68D4D6EDC04E50EDD4B27BF13BA55C1C93567E116A2AA01A14407D933FFF9A2BB83816 |
| Reporter |  abuse_ch |
| Tags: | exe RAT RemcosRAT |
Intelligence
File Origin
# of uploads :
2
# of downloads :
133
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
7cc5360128f822bc2ddf096d63fe8e2d.exe
Verdict:
Malicious activity
Analysis date:
2021-03-05 13:52:32 UTC
Tags:
rat remcos keylogger
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
Creating a file
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a process with a hidden window
Deleting a recently created file
Running batch commands
Launching a process
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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.
Result
Threat name:
Remcos
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large strings
Allocates memory in foreign processes
Binary contains a suspicious time stamp
C2 URLs / IPs found in malware configuration
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
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
Sigma detected: Remcos
Sigma detected: Suspicious Svchost Process
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Detection:
remcos
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-03-05 13:02:10 UTC
AV detection:
16 of 43 (37.21%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 1'621 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos persistence rat
Behaviour
Modifies registry class
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
lovedaysde.duckdns.org:3999
Unpacked files
SH256 hash:
db526021fc0e22e1e1e2452b34e7b4bf3a12d3bd0d81a0c56a0d5f962c45897a
MD5 hash:
c304bd5d7e2232df3a5bf0981164c37a
SHA1 hash:
f58113f33c86e3dcdd949190940d86ce5cce4b7c
SH256 hash:
855d68e98eb747cdca0fe844d52f874b6c021241b404ce48ea18de50d6492e73
MD5 hash:
488a6c8e08cf719ad060814f5ac47318
SHA1 hash:
34772b98d98a3044418e14f55e6c20fd62daab38
Detections:
win_remcos_g0
win_remcos_auto
SH256 hash:
f8b5b51efedb3e87493ac2439473564603cc3059d57956f209a7310e311a1027
MD5 hash:
d66f89bf838fb52ed59d311a99aea214
SHA1 hash:
342525c4aabbb92abf51459081d34ed0f1cdc965
SH256 hash:
f81f70a17b0907dd726dc4f57126602ed97a746e8ec311a942767b33083dcb40
MD5 hash:
9018a8b768348ffc5cf83ded48c51059
SHA1 hash:
1d26a393d3d4c2e32a79c977fb68c4136a8d9a00
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
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: | INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer |
|---|---|
| Author: | ditekSHen |
| Description: | detects Windows exceutables potentially bypassing UAC using eventvwr.exe |
| Rule name: | INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu |
|---|---|
| Author: | ditekSHen |
| Description: | Detect executables with stomped PE compilation timestamp that is greater than local current time |
| 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: | remcos_rat |
|---|---|
| Author: | jeFF0Falltrades |
| Rule name: | REMCOS_RAT_variants |
|---|
| 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.
Malspam
Delivery method
Distributed via e-mail attachment
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