MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 153e11471f85de3df5135b0445014698333ff40a9d6c488d291d6517eb19800d. 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 13 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 153e11471f85de3df5135b0445014698333ff40a9d6c488d291d6517eb19800d
SHA3-384 hash: 55e8c4d05a488079d6f6bd7c33220864c6d97d16a27c0713bd429fd60a249a954343eb28ce4eea1df9c9ab63b69953ad
SHA1 hash: 362cb802e430115288638c9d613f00412f1b2519
MD5 hash: f6bf8ada032d17192526ffebb48aed79
humanhash: alpha-cat-single-echo
File name:f6bf8ada032d17192526ffebb48aed79
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:2'335'744 bytes
First seen:2024-07-24 12:09:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 23682184df099986ebd41d63cd7803a7 (4 x RemcosRAT, 2 x RedLineStealer, 1 x AgentTesla)
ssdeep 49152:sB1BRf3rOSzOzrFNj8e1KbWF8K7Vk3SZTH4OWOEkw/R8wDYWg1vpb67RMGFmDwk9:MaRrFCI767R0Dwk
TLSH T188B5CE05A3E801A8D47BDB34CA659333D6B0B8460734E58F069DD6492F73EA1AFBB315
TrID 72.7% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
13.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
2.5% (.EXE) OS/2 Executable (generic) (2029/13)
2.5% (.EXE) Generic Win/DOS Executable (2002/3)
Reporter zbetcheckin
Tags:64 exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
337
Origin country :
FR FR
Vendor Threat Intelligence
Detection(s):
Win.Malware.Dacic-10033090-0
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66a0ef246f74caeb2f89b631
Tags:
Execution Network Static Remcos
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Сreating synchronization primitives
DNS request
Connection attempt
Connection attempt to an infection source
Sending an HTTP GET request
Query of malicious DNS domain
Sending a TCP request to an infection source
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
fingerprint hacktool lolbin microsoft_visual_cc packed regedit remcos remote shell32
Link:
https://www.filescan.io/uploads/66a0ef235568402317152e50/reports/401eed2b-58f6-42c2-a88c-3385411dbf63/overview
Verdict:
Malicious
Labled as:
Dacic.3448.Generic
Link:
https://www.hybrid-analysis.com/sample/153e11471f85de3df5135b0445014698333ff40a9d6c488d291d6517eb19800d
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/0d5494e7-b04e-442f-90d1-a721d47369d7
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1480023
Signature
AI detected suspicious sample
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
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Writes to foreign memory regions
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/153e11471f85de3df5135b0445014698333ff40a9d6c488d291d6517eb19800d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/153e11471f85de3df5135b0445014698333ff40a9d6c488d291d6517eb19800d/
Threat name:
Win64.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2024-07-24 07:08:34 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cu7bcry7qxpd35itlmcekakgtazt75aktvwerdjjdvsrp2yzqagq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:2556 discovery rat
Link:
https://tria.ge/reports/240724-pb2s9aybna/
Behaviour
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Remcos
Malware Config
C2 Extraction:
bossnacarpet.com:2556
vegetachcnc.com:2556
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/9bd10260-6e05-4824-8de8-32eef595105b
Unpacked files
SH256 hash:
153e11471f85de3df5135b0445014698333ff40a9d6c488d291d6517eb19800d
MD5 hash:
f6bf8ada032d17192526ffebb48aed79
SHA1 hash:
362cb802e430115288638c9d613f00412f1b2519
Link:
https://www.unpac.me/results/2156a442-9877-467d-bb54-fc494dd5deef/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/153e11471f85/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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__MemoryWorkingSet
Create hunting rule
Author:Fernando Mercês
Description:Anti-debug process memory working set size check
Reference:http://www.gironsec.com/blog/2015/06/anti-debugger-trick-quicky/
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:Jupyter_infostealer
Create hunting rule
Author:CD_R0M_
Description:Rule for Jupyter Infostealer/Solarmarker malware from september 2021-December 2022
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information

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

Web download

RemcosRAT

Executable exe 153e11471f85de3df5135b0445014698333ff40a9d6c488d291d6517eb19800d

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3064943/

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_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::CreateWellKnownSid
ADVAPI32.dll::RevertToSelf
ADVAPI32.dll::GetSecurityDescriptorLength
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::DuplicateTokenEx
ADVAPI32.dll::GetWindowsAccountDomainSid
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
KERNEL32.dll::CreateProcessW
ADVAPI32.dll::OpenProcessToken
ADVAPI32.dll::OpenThreadToken
ADVAPI32.dll::SetThreadToken
KERNEL32.dll::VirtualAllocExNuma
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::DeleteVolumeMountPointW
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetVolumeInformationW
KERNEL32.dll::GetSystemInfo
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AllocConsole
KERNEL32.dll::FreeConsole
KERNEL32.dll::GetConsoleOutputCP
KERNEL32.dll::GetConsoleWindow
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileExW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileExW
KERNEL32.dll::ReplaceFileW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueW
WIN_BCRYPT_APICan Encrypt Filesbcrypt.dll::BCryptDecrypt
bcrypt.dll::BCryptDestroyKey
bcrypt.dll::BCryptEncrypt
bcrypt.dll::BCryptGenRandom
bcrypt.dll::BCryptImportKey
bcrypt.dll::BCryptOpenAlgorithmProvider
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyExW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryInfoKeyW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExA
ADVAPI32.dll::RegSetValueExW

Comments


Avatar
zbet commented on 2024-07-24 12:09:44 UTC

url : hxxp://107.173.143.46/T2307W/csrss.exe