MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0fd20c59637e0e49883692ee2522664944fde54bf4b80c84648d2c7acf728e5c. 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: 9


Intelligence 9 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0fd20c59637e0e49883692ee2522664944fde54bf4b80c84648d2c7acf728e5c
SHA3-384 hash: bf5b4079a8752e03796aaa6dcfee935b4c7dabb02c747cfedf5b6e55c6358ceee0e52425434b4b7700e025b080f12484
SHA1 hash: 1ffe2667406e444f79b3e6310d5211447fc4a00b
MD5 hash: 36fbceaea2a1c17e02a51d7e493e5250
humanhash: spring-vegan-stairway-spaghetti
File name:MC20200603.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:598'016 bytes
First seen:2020-11-18 14:45:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:1GAF6v7uYovKwYDqzROGD14wt+wBMEAmDj:27uYx2zROXwtcm
TLSH 6DD4A8B4909A5062E25B45752AAD7E6441B1B9CBDBCA2F0C13BCF1311BBE7633F0468D
Reporter James_inthe_box
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
86
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Sending a custom TCP request
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
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/541402
Signature
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
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
Sigma detected: Remcos
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses IRC for communication with a C&C
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/0fd20c59637e0e49883692ee2522664944fde54bf4b80c84648d2c7acf728e5c/
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2020-11-18 07:12:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=b7jaywldpyhetcbwslxckitgjfcp3zkl6s4azbderuwhvt3srzoa._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos persistence rat
Link:
https://tria.ge/reports/201118-94e2g12df2/
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:
185.19.85.149:6667
jaffinryu.loseyourip.com:6667
Unpacked files
SH256 hash:
0fd20c59637e0e49883692ee2522664944fde54bf4b80c84648d2c7acf728e5c
MD5 hash:
36fbceaea2a1c17e02a51d7e493e5250
SHA1 hash:
1ffe2667406e444f79b3e6310d5211447fc4a00b
Link:
https://www.unpac.me/results/9dba686a-1353-44f3-b417-0a419c1c1e91/
SH256 hash:
83c08f0721c8b0c96e3d6a8f3ccaf5c96fbcc427d574625c34424c3429fefaa1
MD5 hash:
3c5dbcc3bb27e913e14efd8054811373
SHA1 hash:
b0eba9388abddaef9d5aa49ccd5dbab2924cced0
Link:
https://www.unpac.me/results/9dba686a-1353-44f3-b417-0a419c1c1e91/
SH256 hash:
4cb1d529e621c510c72c6415f4c34bb90c930a51107202dbbf47b5c451eefa83
MD5 hash:
6ea824d73628542047d17d8a72c2cf79
SHA1 hash:
b946efe7e25496bba2f70095e5ef1423d381097c
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/9dba686a-1353-44f3-b417-0a419c1c1e91/
Parent samples :
f9d00bb8b35a6419e1b75194576b12ae1c6259e26d2fe90f328f12e428d9924e
11b16ba733f2f4f10ac58021eecaf5668551a73e2a1acfae99745c50bfccbb44
70467031f57eed3b73ab89216e2058eff7c0db5b7bace38f6afa55cad1282b9a
68c3bc52831c9df86039c85e4e896413bb7ccba3a85827a3ac32909c68e582dd
0fd20c59637e0e49883692ee2522664944fde54bf4b80c84648d2c7acf728e5c
SH256 hash:
42bb6714c45f54cb04c604627b357b902e217ba774cec46a758bdb3cef3192a3
MD5 hash:
5e5258f5df1e5a7cfad4d7b337f626ce
SHA1 hash:
db8bc8261549f53c9a6cb52653c2ee8fa93c860a
Link:
https://www.unpac.me/results/9dba686a-1353-44f3-b417-0a419c1c1e91/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/0fd20c59637e0e49883692ee2522664944fde54bf4b80c84648d2c7acf728e5c

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
Create hunting rule
Author:abuse.ch
Rule name:Chrome_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
Rule name:Parallax
Create hunting rule
Author:@bartblaze
Description:Identifies Parallax RAT.
Rule name:Remcos
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Remcos in memory
Rule name:remcos_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:win_remcos_auto
Create hunting rule
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.

  
Delivery method
Other

Comments