MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ff0a84220d028052a841312cd81baa525d19f7e4b0ce94dbbaf6634a776d3814. 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 15 File information Comments
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SHA256 hash: ff0a84220d028052a841312cd81baa525d19f7e4b0ce94dbbaf6634a776d3814
SHA3-384 hash: b68a6de0100920dafb90162ecf7932febe67584a7da3d1d3a85ddb4dd27396fbf5fbcc7ad88bd255941301428863708f
SHA1 hash: 7449c7578be539c1acbe51f23b690641b08ea336
MD5 hash: 3f38596cc3a4d9d6020d3cebff1a8f6c
humanhash: missouri-south-iowa-georgia
File name:7zipInstall.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:12'443'648 bytes
First seen:2023-11-30 23:14:40 UTC
Last seen:2023-12-01 07:39:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 196608:QxyzS0MYs7wsSvzcOg9Eur4uLp0yCku0GBgIEKULMxPUgK4kmvwvKZBrGEnPFtCF:abPBSvzcZt4Yp06GB+1MxcgK4Pbnty
Threatray 3'057 similar samples on MalwareBazaar
TLSH T1E2C633E237DA9D86F1AD1733A8B258E11771D1600103D38B6EA488B5CDFD3BD1AE6643
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 00b28eabababa600 (5 x RemcosRAT, 3 x AsyncRAT, 2 x RedLineStealer)
Reporter smica83
Tags:exe RemcosRAT SMB-89-23-98-22 UAC-0050 UKR

Intelligence

File Origin
# of uploads :
3
# of downloads :
360
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
http://65.109.237.171/file/scandoc.exe
Verdict:
Malicious activity
Analysis date:
2023-11-30 20:22:44 UTC
Tags:
loader rat remcos remote
Link:
https://app.any.run/tasks/56359584-0afd-4952-a83c-1b27d5d97008

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/461524/
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Creating a process from a recently created file
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/ff0a84220d028052a841312cd81baa525d19f7e4b0ce94dbbaf6634a776d3814
Result
Verdict:
MALICIOUS
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ab0815b4-a4b9-4b94-a21a-5a8c7ad73f9e
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1350935
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1350935 Sample: 7zipInstall.exe Startdate: 01/12/2023 Architecture: WINDOWS Score: 100 14 Found malware configuration 2->14 16 Malicious sample detected (through community Yara rule) 2->16 18 Antivirus detection for URL or domain 2->18 20 5 other signatures 2->20 7 7zipInstall.exe 1 2->7         started        process3 signatures4 22 Injects a PE file into a foreign processes 7->22 10 7zipInstall.exe 7->10         started        process5 process6 12 WerFault.exe 22 16 10->12         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ff0a84220d028052a841312cd81baa525d19f7e4b0ce94dbbaf6634a776d3814
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ff0a84220d028052a841312cd81baa525d19f7e4b0ce94dbbaf6634a776d3814/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2023-11-30 09:16:30 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
24 of 35 (68.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=74fiiiqnakaffkcbgewnqg5kkjort57ewdhjjw526zruu53nhaka._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
1f46d078bfe514f7aeebf7ac92bd226d10335d74702a81059b9d24f5849437e4
RemcosRAT
27c81964a136a6fc9125ae45ed9873402303c116db13ec14b65cbdd60606eb89
RemcosRAT
6460ce4d46ea972d0296bfbfd2315b2686021380c4d22ceb0c0a987faa749fd4
RemcosRAT
75e017e742b2506cdda2a132759075c7b187ca941df606b34116d0452ef04fd0
RemcosRAT
9d8282d54901d4e795f0469a5191242b2e7b3b0c51f810f71c739bfff52de8d5
RemcosRAT
b5ca34b966549dfee1a824ab645c66b17217aadda4ccea96731b8cb0cfb03a27
RemcosRAT
c5898ac379acfcd23bedfceff198bf5e738921bf61b299ca47bdd8c223199515
RemcosRAT
e970fdbbcd35127388ad909820df33fbe5d0a7bd4b52ccde011c5782edfe03fc
RemcosRAT
+ 3'047 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:rmc persistence rat
Link:
https://tria.ge/reports/231130-28w1gscg9x/
Behaviour
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Remcos
Malware Config
C2 Extraction:
95.214.26.199:80
95.214.26.199:465
Unpacked files
SH256 hash:
3b627d22c9f436c0fe5a614a24bd9a5ad64632f3a9a02bd01bbfceb459e6a2a6
MD5 hash:
83510e8c9ebe7d888e16d618d6c41091
SHA1 hash:
d5984d94b315665499cca2c9b1a7889c7b4bf096
Detections:
Remcos
Create hunting rule
win_remcos_w0
Create hunting rule
win_remcos_auto
Create hunting rule
win_remcos_rat_unpacked
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
Link:
https://www.unpac.me/results/4aa9f18d-a505-469f-aa41-d265d916ec26/
SH256 hash:
ff0a84220d028052a841312cd81baa525d19f7e4b0ce94dbbaf6634a776d3814
MD5 hash:
3f38596cc3a4d9d6020d3cebff1a8f6c
SHA1 hash:
7449c7578be539c1acbe51f23b690641b08ea336
Detections:
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/4aa9f18d-a505-469f-aa41-d265d916ec26/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ff0a84220d02/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/ff0a84220d028052a841312cd81baa525d19f7e4b0ce94dbbaf6634a776d3814

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:DebuggerCheck__QueryInfo
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_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
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: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.
Rule name:win_remcos_w0
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:yarahub_win_remcos_rat_unpacked_aug_2023
Create hunting rule
Author:Matthew @ Embee_Research

File information

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

  
Link
https://cert.gov.ua/article/6276567
Cape
Cape
https://www.capesandbox.com/analysis/461524/

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