MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7f363a61729c1b86467656b7d9e0c52a60e74049af6e68617790aaa29ac431d1. 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 6 File information Comments
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SHA256 hash: 7f363a61729c1b86467656b7d9e0c52a60e74049af6e68617790aaa29ac431d1
SHA3-384 hash: fe13a71cdc0e8ca0afaf26e5177bae3f87ad2ba405df1009aa8395f7c95a7acdc3bc4b0fec83e712194353551aa835f1
SHA1 hash: 2ff5f35207e0dd60caa671162e0ddab7687c87a9
MD5 hash: ee382a4ec468a2a789f05ab74e40efe8
humanhash: idaho-april-fish-fruit
File name:PO 478512546.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:456'192 bytes
First seen:2020-10-30 16:30:26 UTC
Last seen:2020-10-30 18:55:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:07PGXb5ejm680i9ooWvK5nwAIIN57lPf:0789ejx8/9ooWvz+
Threatray 1'182 similar samples on MalwareBazaar
TLSH 01A429F89346D69BCD4F013FA84A3D25E28ADB66C6ED458653D4B03D07FD30A6A9048F
Reporter James_inthe_box
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
97
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/81329/
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Generic.gh.21459.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/517191
Signature
.NET source code contains potential unpacker
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
Detected unpacking (creates a PE file in dynamic memory)
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
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Uses IRC for communication with a C&C
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 307698 Sample: PO 478512546.exe Startdate: 30/10/2020 Architecture: WINDOWS Score: 100 33 Malicious sample detected (through community Yara rule) 2->33 35 Multi AV Scanner detection for dropped file 2->35 37 Sigma detected: Scheduled temp file as task from temp location 2->37 39 16 other signatures 2->39 7 PO 478512546.exe 6 2->7         started        process3 file4 25 C:\Users\user\AppData\...\vwYYWmiVaOcn.exe, PE32 7->25 dropped 27 C:\Users\user\AppData\Local\...\tmp38C1.tmp, XML 7->27 dropped 10 PO 478512546.exe 2 7->10         started        14 schtasks.exe 1 7->14         started        process5 dnsIp6 29 185.19.85.149, 49710, 49711, 6667 DATAWIRE-ASCH Switzerland 10->29 41 Injects a PE file into a foreign processes 10->41 16 PO 478512546.exe 13 10->16         started        19 PO 478512546.exe 10->19         started        21 PO 478512546.exe 10->21         started        23 conhost.exe 14->23         started        signatures7 process8 signatures9 31 Tries to harvest and steal browser information (history, passwords, etc) 16->31
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7f363a61729c1b86467656b7d9e0c52a60e74049af6e68617790aaa29ac431d1/
Threat name:
ByteCode-MSIL.Backdoor.NanoBot
Create hunting rule
Status:
Malicious
First seen:
2020-10-30 16:30:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=p43duylstqnymrtwk235tygffjqooqcjv5xgqylxscvkfgweghiq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
0e09c1fc128ae9653e52e92c6db0a1151dc2a502a5b3f891e99ae2606f1c07f6
RemcosRAT
344e6fbb3b331ae13507bca32206ceea89837dc6c02eeadeeee979d8312199b6
RemcosRAT
346c5380b5669b73b9fc43a1a17c31ea17985488e9ea947d93a1c6858ebab5e1
RemcosRAT
3ae83a13a6fe98f6d3b293d69aa7e58e4752e4b1353978e1a390314f725ea44e
RemcosRAT
7f767ca610703568153db9fd01aa25c9fb1e4e5c740d669699649fdd4785ab69
RemcosRAT
b156d54df509f02bed378383dc278b7da2a6ba2db0846d4c1086a3196c5bd8db
RemcosRAT
bd4ef5e45ec6e18bc4fc2225588ea4d01151f8f82aeb073a75868bdbcfc66b5a
RemcosRAT
c032e316eefbacca4b3ddfe7fc2ee9ac5f86daea767232d2322f7fdfe4b18993
RemcosRAT
eda8bfc1dfcc087cb1e4033a5730953c3af823e6c3a4f16e7c72f1c7963bb683
RemcosRAT
f0f5332559c5b4423f52173fbbde05923b236a0d32c97ad858b25621d5bf117a
RemcosRAT
+ 1'172 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos persistence rat spyware
Link:
https://tria.ge/reports/201030-l7mdf3bzw6/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Remcos
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Eldorado
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/7f363a61729c1b86467656b7d9e0c52a60e74049af6e68617790aaa29ac431d1

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: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
Cape
Cape
https://www.capesandbox.com/analysis/81329/

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