MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 321e405f4fc6391af017fce9e6964419f05942c84380480e44c20ab9f707dd31. 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: 10
| SHA256 hash: | 321e405f4fc6391af017fce9e6964419f05942c84380480e44c20ab9f707dd31 |
|---|---|
| SHA3-384 hash: | 7084a886a0d7e5061ab61acb962b251e78ab137537ac5d88bfb1ce746450787d35ca2f3a8ab1db7c086a19cbe4257305 |
| SHA1 hash: | d6a8fd5cfb9155e6951134cdf91d4a136a6c61ee |
| MD5 hash: | 64a8ef7734d6a93dbe5d0b99d9a41915 |
| humanhash: | network-three-oranges-cold |
| File name: | 0000000000777.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 631'296 bytes |
| First seen: | 2021-03-09 15:30:39 UTC |
| Last seen: | 2021-03-09 22:58:37 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 6144:k+/WF7hQmhHIjGEIMzx0qZdqBiM5EndpcjtPF2ldhH89mjo:k+/WF7hQmhH0GEIGx1Zdw9upcBNYem |
| Threatray | 1'630 similar samples on MalwareBazaar |
| TLSH | 5FD4EAD1A16488DBF95B4AF37D3B593028D36E9C54A4410C56ADBB1736B336220EFE0E |
| Reporter |  GovCERT_CH |
| Tags: | RemcosRAT |
Intelligence
File Origin
# of uploads :
3
# of downloads :
124
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
0000000000777.exe
Verdict:
Suspicious activity
Analysis date:
2021-03-09 15:54:34 UTC
Tags:
n/a
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
Unauthorized injection to a recently created process
Creating a file
Setting a keyboard event handler
Sending a custom TCP request
Sending a UDP request
Creating a file in the %AppData% subdirectories
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
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 register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Detected Remcos RAT
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected Beds Obfuscator
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Pwsx
Status:
Malicious
First seen:
2021-03-09 15:31:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
23
AV detection:
25 of 47 (53.19%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 1'620 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos rat
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Beds Protector Packer
Remcos
Unpacked files
SH256 hash:
97024f17003dd3d31dab64c4d1b8251e50d428644eb59ed3692ad79ce42019cf
MD5 hash:
8cd28be4bd9a1404c6d3600db32b3ed1
SHA1 hash:
fb90b0ca51118e771390d58b19d0a404ee14cfbc
SH256 hash:
eae4aef804ed74ae108a1c64dfc8defb292abe65854b9d3b8a0b5f248d3ff916
MD5 hash:
88b996ba611d8de9de9435e767fabe96
SHA1 hash:
8959031de10242c831aa3add2eaa85a7c29b0e8f
SH256 hash:
3a4d18e2e957b6ebd35d7807211e3091562c47ab96a2ea69e8ce9eb0caef4baf
MD5 hash:
3e6b2c9824501646ca2ea1367d0800aa
SHA1 hash:
3b49854174bcc93cf3cb245910d0cbab3b061c7d
SH256 hash:
321e405f4fc6391af017fce9e6964419f05942c84380480e44c20ab9f707dd31
MD5 hash:
64a8ef7734d6a93dbe5d0b99d9a41915
SHA1 hash:
d6a8fd5cfb9155e6951134cdf91d4a136a6c61ee
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: | Chrome_stealer_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | Chrome in files like avemaria |
| Rule name: | INDICATOR_EXE_Packed_MPress |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables built or packed with MPress PE compressor |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer |
|---|---|
| Author: | ditekSHen |
| Description: | detects Windows exceutables potentially bypassing UAC using eventvwr.exe |
| Rule name: | Keylog_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | Contains Keylog |
| 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: | suspicious_packer_section |
|---|---|
| Author: | @j0sm1 |
| Description: | The packer/protector section names/keywords |
| Reference: | http://www.hexacorn.com/blog/2012/10/14/random-stats-from-1-2m-samples-pe-section-names/ |
| 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
Dropped by
RemcosRAT
Delivery method
Distributed via e-mail attachment
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