MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 20f140b6b03ab5318a5c9ce920528c982184ea1fa5e4e51dd3925eedf36ea924. 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: 15


Intelligence 15 IOCs YARA 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 20f140b6b03ab5318a5c9ce920528c982184ea1fa5e4e51dd3925eedf36ea924
SHA3-384 hash: 27b01e0838e5149c8ec23c00c8793dc8bb2625d01c11f8a7b07f7dee54d5b12a7e59945e3bfc17b2092042e0f97209b5
SHA1 hash: 160a5e70d376d45de6f8ca69cf00bdfe0530ce72
MD5 hash: 18fba1571b2ef85ee29d7629b0360f8b
humanhash: cold-sierra-utah-twelve
File name:SecuriteInfo.com.Win64.PWSX-gen.30087.11508
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'049'976 bytes
First seen:2024-04-21 03:25:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 24576:1VsubUUqO599RV00dK3mtjs/c9+NHU8koM/EmRHGzY:LsubUUqOz9f0Fmtwv/O/BGzY
Threatray 1'644 similar samples on MalwareBazaar
TLSH T1D625CE6AB394E7E6C85DE573F62C60305B3A1FAD593789AD28C861C5DFF7362181060C
TrID 44.4% (.EXE) Win64 Executable (generic) (10523/12/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
File icon (PE):PE icon
dhash icon 6262e2142c343004 (1 x RemcosRAT)
Reporter SecuriteInfoCom
Tags:exe RemcosRAT signed

Code Signing Certificate

Organisation:Microsoft Code Signing PCA 2011
Issuer:Microsoft Code Signing PCA 2011
Algorithm:sha256WithRSAEncryption
Valid from:2024-04-14T14:55:44Z
Valid to:2025-04-14T14:55:44Z
Serial number: 98ea2d4446b6e128d6507798d7939318
Thumbprint Algorithm:SHA256
Thumbprint: cb3e818a5d1905eed7982a70604f93e0f6e1370a0720c977e057bcf4c1db8906
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
358
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
20f140b6b03ab5318a5c9ce920528c982184ea1fa5e4e51dd3925eedf36ea924.exe
Verdict:
Malicious activity
Analysis date:
2024-04-21 03:33:31 UTC
Tags:
remcos
Link:
https://app.any.run/tasks/1a12303c-49e8-4789-9286-1dd70a386f31

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Creating a file
Launching a process
Creating a process from a recently created file
Searching for synchronization primitives
DNS request
Connection attempt
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Moving a file to the Program Files subdirectory
Replacing files
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/6624874a75339da04f997cb6/reports/48ee985c-2664-4590-b20f-d25459d04256/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/20f140b6b03ab5318a5c9ce920528c982184ea1fa5e4e51dd3925eedf36ea924
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/d2f1d44c-f70b-4db8-9771-b0f03f99955f
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1429180
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Delayed program exit found
Drops PE files with benign system names
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: Schedule system process
Sigma detected: Suspect Svchost Activity
Sigma detected: System File Execution Location Anomaly
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses regedit.exe to modify the Windows registry
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1429180 Sample: SecuriteInfo.com.Win64.PWSX... Startdate: 21/04/2024 Architecture: WINDOWS Score: 100 61 republic-fountain.gl.at.ply.gg 2->61 63 everyone-clinic.gl.at.ply.gg 2->63 75 Found malware configuration 2->75 77 Malicious sample detected (through community Yara rule) 2->77 79 Antivirus detection for URL or domain 2->79 81 11 other signatures 2->81 9 SecuriteInfo.com.Win64.PWSX-gen.30087.11508.exe 1 8 2->9         started        13 svchost.exe 2->13         started        15 svchost.exe 3 2->15         started        17 4 other processes 2->17 signatures3 process4 file5 59 C:\Users\user\AppData\Roaming\svchost.exe, PE32+ 9->59 dropped 99 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 9->99 101 Drops PE files with benign system names 9->101 19 cmd.exe 1 9->19         started        21 cmd.exe 1 9->21         started        24 conhost.exe 9->24         started        103 Writes to foreign memory regions 13->103 105 Allocates memory in foreign processes 13->105 107 Injects a PE file into a foreign processes 13->107 26 csc.exe 13->26         started        33 3 other processes 13->33 109 Multi AV Scanner detection for dropped file 15->109 111 Uses regedit.exe to modify the Windows registry 15->111 28 vbc.exe 3 15->28         started        31 WerFault.exe 19 16 15->31         started        35 2 other processes 15->35 37 11 other processes 17->37 signatures6 process7 dnsIp8 39 svchost.exe 3 19->39         started        42 conhost.exe 19->42         started        44 timeout.exe 1 19->44         started        83 Uses schtasks.exe or at.exe to add and modify task schedules 21->83 46 conhost.exe 21->46         started        48 schtasks.exe 1 21->48         started        85 Contains functionality to bypass UAC (CMSTPLUA) 26->85 87 Contains functionalty to change the wallpaper 26->87 89 Contains functionality to steal Chrome passwords or cookies 26->89 91 2 other signatures 26->91 65 republic-fountain.gl.at.ply.gg 147.185.221.19, 17113, 17632 SALSGIVERUS United States 28->65 signatures9 process10 signatures11 93 Writes to foreign memory regions 39->93 95 Allocates memory in foreign processes 39->95 97 Injects a PE file into a foreign processes 39->97 50 ngen.exe 39->50         started        53 conhost.exe 39->53         started        55 regedit.exe 39->55         started        57 2 other processes 39->57 process12 signatures13 67 Contains functionality to bypass UAC (CMSTPLUA) 50->67 69 Contains functionalty to change the wallpaper 50->69 71 Contains functionality to steal Chrome passwords or cookies 50->71 73 3 other signatures 50->73
Score:
56%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/20f140b6b03ab5318a5c9ce920528c982184ea1fa5e4e51dd3925eedf36ea924
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/20f140b6b03ab5318a5c9ce920528c982184ea1fa5e4e51dd3925eedf36ea924/
Threat name:
ByteCode-MSIL.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2024-04-21 03:26:05 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
18
AV detection:
13 of 38 (34.21%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=edyubnvqhk2tdcs4ttusauumtaqyj2q7uxsokhotsjpo343ovesa._file
Verdict:
malicious
Similar samples:
05bcef8138fe660e6b755afb54117d5872829732fa017f0eb13a5cb1007122f6
RemcosRAT
3545201f518bc9bc8e5150985cb204b4ab27128b5f8f977077abdcc1c9621450
RemcosRAT
5157d8d5c583eea41772fb99793e13f9d7e3c3c2b0eb2cd876c65d1835cc8d8f
RemcosRAT
70060d2f81493d076b3865dd1401aec13a95e6ed6c69c97e2346113225f4c21a
RemcosRAT
74ab97b09af8d1277126ff92b065ce8f08c3dc28f17745e78c0d8fcf0e8b5447
RemcosRAT
bfcf6d5227339dcf5e3a724db318f0f4b1b1ffe0635a94bc4555bb4a690a2750
RemcosRAT
ce021aaca1ac091165c6bd6d9b27d41c0994d308f39bce54a5d7e59ba76a421e
RemcosRAT
+ 1'634 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:elka persistence rat
Link:
https://tria.ge/reports/240421-dy66psaa71/
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Uses the VBS compiler for execution
Remcos
Malware Config
C2 Extraction:
republic-fountain.gl.at.ply.gg:17113
everyone-clinic.gl.at.ply.gg:17632
Unpacked files
SH256 hash:
20f140b6b03ab5318a5c9ce920528c982184ea1fa5e4e51dd3925eedf36ea924
MD5 hash:
18fba1571b2ef85ee29d7629b0360f8b
SHA1 hash:
160a5e70d376d45de6f8ca69cf00bdfe0530ce72
Link:
https://www.unpac.me/results/bfef64a9-e871-4a83-969e-aa8e52dae490/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/20f140b6b03a/report/overview.html
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: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_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_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
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
Reference:https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set
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.

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments