MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d73fc37545d0fd0f8c85d778e3d9aa6c6881b37a745a8eea81b3c46270c25be8. 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: 8


Intelligence 8 IOCs YARA 9 File information Comments
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SHA256 hash: d73fc37545d0fd0f8c85d778e3d9aa6c6881b37a745a8eea81b3c46270c25be8
SHA3-384 hash: 84b246059b42dded8afbc413efa3974d5c53dd3ac65f01ca8d112481aa9b5c7a1d484cd2df269d12577afc5dfff3f02b
SHA1 hash: b27715a7c61bc3ea92002bad485cddb87c83c6dc
MD5 hash: c6185c27963d8bfda88ea28b416524da
humanhash: echo-harry-jig-muppet
File name:d73fc37545d0fd0f8c85d778e3d9aa6c6881b37a745a8eea81b3c46270c25be8
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'021'888 bytes
First seen:2020-11-10 11:32:47 UTC
Last seen:2024-07-24 21:56:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep 24576:ZaL9t+WsNCih27MErz1daGQiHmHaYfltk5u:ktIh4JdrQWYaClUu
TLSH 26258D027391D032FEAE91735B55A2415678E8293163CC3F12BA9B78AF701B10E7D66F
Reporter seifreed
Tags:RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
75
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Win.Malware.Nymeria-6993200-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
DNS request
Enabling autorun by creating a file
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/529080
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
AutoIt script contains suspicious strings
Binary is likely a compiled AutoIt script file
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
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Uses dynamic DNS services
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d73fc37545d0fd0f8c85d778e3d9aa6c6881b37a745a8eea81b3c46270c25be8/
Threat name:
Win32.Trojan.Obit
Create hunting rule
Status:
Malicious
First seen:
2020-11-10 11:41:10 UTC
AV detection:
35 of 48 (72.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2474g5kf2d6q7def254ohwnknruidm32orni52ubwpcge4gclpua._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos rat
Link:
https://tria.ge/reports/201110-rz49x7frxn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Drops startup file
Remcos
Malware Config
C2 Extraction:
rem-pounds.ddns.net:9970
Unpacked files
SH256 hash:
d73fc37545d0fd0f8c85d778e3d9aa6c6881b37a745a8eea81b3c46270c25be8
MD5 hash:
c6185c27963d8bfda88ea28b416524da
SHA1 hash:
b27715a7c61bc3ea92002bad485cddb87c83c6dc
Link:
https://www.unpac.me/results/bd648d56-39d2-413d-8edd-759c12266882/
SH256 hash:
5ed083090bbb26b631e2d3ebb8dd1048ce1d47a58670b6feca28d9cc77ae54d5
MD5 hash:
d06f8f3b29983d20c8cf43e63febf27d
SHA1 hash:
6814db9bf5ba7822eda634d228c3f1c1bb18897b
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/bd648d56-39d2-413d-8edd-759c12266882/
Parent samples :
ab1c1d8c82b2e153de37cbc8450e30ef47e708b5304a5c988b5656152ffa86d4
bc9d22f91b7f032cac3a6a36c5d90b1878ec7ab87193fd83be388ea3cbe964f9
6b652e40bcd6a123e9eac876c76fae6943283d1fe5369efc9d738c7c3a0a5c70
d73fc37545d0fd0f8c85d778e3d9aa6c6881b37a745a8eea81b3c46270c25be8
d151315f5bea137d59d6529045fec0ff6232fc2895c893126a12cdd9251f0f40
21fa4760bc1c9c69289afb33eac0afd7d3ecd74716e5e9963dbebe797aa93657
9d02d57215d6eb731e76863b7ecf6aaf78283d95275ed0c609008f3d64b3f6b4
ae8a5af762688f772ca6a86121ea1cbbd3e07cd399aa2aac2e8fad422cc7c33a
63740d7b3addf0f30f355423d35734d95a58bcd459272c26529f148f245c4c24
62c6c6aa0032b0b672a94d25a5f6d453783dc9d52391ca047469381d7650c7c8
7b33267a200d3c6e07be475321fe92421b28ca6c3ebcd31c744bf71ca24d45b4
1dc9c08803cc564e3d16d52d6df79534fe167c40674e87093bae452799e9e665
c6e477905dcc8e39d4e54d40868671cb4eda4bf8bb32c52d320f02b0485b8ff8
54cf1e0e02aaef981cb9edbbe174c1fad91304e9af3f418dbf681e712e01cd06
8fb5cb9ec69e224e86773558512719157f3428b879f1c6fe5f07595b06d1bca5
72667e565cbf55c3cd44de83e2849b65fac228f10a5c4729a869543283ebdb88
b0edd9f713e230a8ec778fd9978386019bd7bb37ac00196748e92bd75b89e5d7
Please 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: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