MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 920fae943bbfb6cb7dd1a1a13e6abfb6f951ed79eaa01b9b693ff6a8224ae1e1. 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: 16


Intelligence 16 IOCs YARA 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 920fae943bbfb6cb7dd1a1a13e6abfb6f951ed79eaa01b9b693ff6a8224ae1e1
SHA3-384 hash: 4fbe874f93911294c85a4374f1f2d6a77bdd014da945e3e9228cbae0d3c08c625345fdc7b84279e054a67c0012c5a0d9
SHA1 hash: d00eeeaefcd22a9b5490a4a4485d3871fe288dcf
MD5 hash: 0f95499d05d50e30419226e989598cac
humanhash: hot-washington-winner-hydrogen
File name:0f95499d05d50e30419226e989598cac.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:899'584 bytes
First seen:2023-08-08 07:07:27 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 12288:5wCINpjuMufGQioH36YyN5ugw4K/0HJhX+1n7h/QhqdtyDQxC4KfWXMGzFBE39i6:GCIX69H3xQ4t0HzXM7h/QQorGzsNiPi
Threatray 2'412 similar samples on MalwareBazaar
TLSH T1E915239AB0ABE2A1DF7C57F53C3CC55D07B928395066E06A6E601CD831A3F6AC521E07
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 1000107171100000 (8 x AgentTesla, 3 x Formbook, 2 x Loki)
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
279
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
PO-7836493.doc
Verdict:
Malicious activity
Analysis date:
2023-08-07 07:48:54 UTC
Tags:
exploit cve-2017-11882 rat remcos remote keylogger stealer
Link:
https://app.any.run/tasks/714a72b8-5e85-4bd5-a2a2-bf57d92b5d05

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/441227/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1995.3099.24954.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/920fae943bbfb6cb7dd1a1a13e6abfb6f951ed79eaa01b9b693ff6a8224ae1e1
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.
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7083ea4f-f035-4ae5-b094-8916bddca6d8
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1287494
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to modify clipboard data
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/920fae943bbfb6cb7dd1a1a13e6abfb6f951ed79eaa01b9b693ff6a8224ae1e1/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2023-08-07 03:58:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=sih25fb3x63mw7orugqt42v7w34vd3lz5kqbxg3jh73kqisk4hqq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
3100c2815280c4d4ccb7719c8a2f2cc150c80d53c3675a5070b9499028dafacc
RemcosRAT
34bfed7f2450542d851b696685ed0a43438683a54f1756a947119d7258a4adb1
RemcosRAT
4400353ebbbd72f1a260b3021c48fa67439ec6accd01ecd27ada202052f27391
RemcosRAT
49e4d4f6aaf967b656487d0d3dc27ecf3812b2d454b85339ae9ea79021bbe0d6
RemcosRAT
877371d8ae10433714781fc8187b21a9bd55e01738d1e701603118d1e2b89944
RemcosRAT
8a7703a7a13f95e6e58aac075b70bc322355e7f683e04824c17407a1881838cf
RemcosRAT
d81a0fe47c7cc9fdba1c13c2aa4f0372579f4c9ac51e16b7384da4b19c7c26a0
RemcosRAT
+ 2'402 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:thcinc rat
Link:
https://tria.ge/reports/230808-hx74tsbb53/
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Remcos
Malware Config
C2 Extraction:
b6079658.sytes.net:6110
Unpacked files
SH256 hash:
504410fd6158a7346f5a2e7b7714203b329d46dab5d129719410d5c325122804
MD5 hash:
74ed681a2d7aed1dae5627d4367474f8
SHA1 hash:
cad2df636d3f0710f69fdb18cbae03a332341dd3
Link:
https://www.unpac.me/results/afd29d07-ed69-42de-ad4a-7e8a87bf2ca5/
SH256 hash:
5b2b7aa12e065130ce1b14c34ce0bdd435e120416b75f383e09f77efed5f463e
MD5 hash:
73b66329882a8bd0360bb441591b0d30
SHA1 hash:
58232deb7af0f26e35816927d12ec2441443631d
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/afd29d07-ed69-42de-ad4a-7e8a87bf2ca5/
Parent samples :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 hash:
c435d21982e8e36137c3f48b14d7ebc2470a377845ed7bf3dbbdb9ecdb54f105
MD5 hash:
2c84c27238b991fae812015e6fe26e79
SHA1 hash:
11c8019a2db91a8a13b0055c5f6b5de4c8b379a6
Link:
https://www.unpac.me/results/afd29d07-ed69-42de-ad4a-7e8a87bf2ca5/
SH256 hash:
acb4f2181a20567f3a024b4919e95a204633c49dd5fa694e73b2c508b2517f62
MD5 hash:
54382de0119d4daa02ec3edd0312168d
SHA1 hash:
0451e80a80e731f260afd2e7c60d9d79069b0a3b
Link:
https://www.unpac.me/results/afd29d07-ed69-42de-ad4a-7e8a87bf2ca5/
SH256 hash:
920fae943bbfb6cb7dd1a1a13e6abfb6f951ed79eaa01b9b693ff6a8224ae1e1
MD5 hash:
0f95499d05d50e30419226e989598cac
SHA1 hash:
d00eeeaefcd22a9b5490a4a4485d3871fe288dcf
Link:
https://www.unpac.me/results/afd29d07-ed69-42de-ad4a-7e8a87bf2ca5/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/920fae943bbf/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/920fae943bbfb6cb7dd1a1a13e6abfb6f951ed79eaa01b9b693ff6a8224ae1e1

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:iexplorer_remcos
Create hunting rule
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Trojan_Remcos_b296e965
Create hunting rule
Author:Elastic Security
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

RemcosRAT

Executable exe 920fae943bbfb6cb7dd1a1a13e6abfb6f951ed79eaa01b9b693ff6a8224ae1e1

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2696805/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/441227/

Comments