MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c79c3294f361c3b6b6aa32553b3a633a2aa2d7bbcfd2279844b886ce860ebaa5. 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: 6


Intelligence 6 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c79c3294f361c3b6b6aa32553b3a633a2aa2d7bbcfd2279844b886ce860ebaa5
SHA3-384 hash: e360c7dfddc9301c3da7c188289bdf39348d4e54590fb0a9cda14930fc5e9825d0ea256ced496d6b5ca24e068e250ab7
SHA1 hash: 3a132241ad794475c90cd6caa1ae01f160ce4407
MD5 hash: 6c8d0072c6554c4e17e5ebd2f106c4b5
humanhash: bravo-cat-fish-cat
File name:38bfd80799a5eb9f30201518f4190d61
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'179'160 bytes
First seen:2020-11-17 11:55:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep 24576:ci54eV3AWsNKXSEU3eSNS9goKpmHaLIahgxY3b5U:BV37SE+g9goQYaLDNU
TLSH 4145BF0273E5C072FF9BA2739B59B242977C69350133842F23A82DB9BE715B1427D663
Reporter seifreed
Tags:RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
73
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Win.Malware.Autoit-6985962-0
Create hunting rule

Win.Trojan.Autoit-9790147-0
Create hunting rule

Win.Trojan.Autoit-9790695-0
Create hunting rule

Win.Trojan.Autoit-9791624-0
Create hunting rule

Win.Trojan.Autoit-9792204-0
Create hunting rule

Win.Trojan.Autoit-9793178-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a process with a hidden window
Launching a process
Deleting a recently created file
Running batch commands
DNS request
Launching the default Windows debugger (dwwin.exe)
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Setting a global event handler for the keyboard
Enabling autorun by creating a file
Unauthorized injection to a system process
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c79c3294f361c3b6b6aa32553b3a633a2aa2d7bbcfd2279844b886ce860ebaa5/
Threat name:
Win32.Hacktool.Generic
Create hunting rule
Status:
Suspicious
First seen:
2020-11-17 11:57:28 UTC
AV detection:
40 of 48 (83.33%)
Threat level:
  1/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=y6odffhtmhb3nnvkgjktwotdhivkfv53z7jcpgcexcdm5bqoxksq._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos persistence rat
Link:
https://tria.ge/reports/201117-jk3fsq7gy6/
Behaviour
Creates scheduled task(s)
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies registry class
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
daya4659.ddns.net:8282
Unpacked files
SH256 hash:
c79c3294f361c3b6b6aa32553b3a633a2aa2d7bbcfd2279844b886ce860ebaa5
MD5 hash:
6c8d0072c6554c4e17e5ebd2f106c4b5
SHA1 hash:
3a132241ad794475c90cd6caa1ae01f160ce4407
Link:
https://www.unpac.me/results/fc8c4fd4-126f-4248-a711-36a3263fc2bc/
SH256 hash:
0954fe3152ff66dd9dd26dfcb13edf21915e51dec6993600aff97b7a768dc088
MD5 hash:
c9d17b356e7c463f2b4f57e0f98edb1e
SHA1 hash:
16f75139e11c1d673251c8367fea15f44932f881
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/fc8c4fd4-126f-4248-a711-36a3263fc2bc/
Parent samples :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 note that we are no longer able to provide a coverage score for Virus Total.

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:AutoIT_Compiled
Create hunting rule
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE).
Rule name:Chrome_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
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:Ping_Del_method_bin_mem
Create hunting rule
Author:James_inthe_box
Description:cmd ping IP nul del
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