MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c204c4829e79a4b78fdeefcf587eabc6e508402d132d00e37c74fe5fe8cf325a. 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: 13


Intelligence 13 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c204c4829e79a4b78fdeefcf587eabc6e508402d132d00e37c74fe5fe8cf325a
SHA3-384 hash: 0375db461d7a2238e2c2b91affbf62cede4194f85b9a0ee9362031ac6f5fbc1f676bc6daa6c3ad67097e9e76859ad2bb
SHA1 hash: 76207198002c4e5188d7a35cb5c64bec0d7a4453
MD5 hash: a9438d893c19d866cf720a581c9476bc
humanhash: lactose-edward-high-undress
File name:iMOyFZuS.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:59'904 bytes
First seen:2024-03-25 12:45:40 UTC
Last seen:2024-03-25 12:47:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 4749670ac3d28d6761142b0dcb4f5076 (1 x RemcosRAT)
ssdeep 1536:NWfqqj/DMFv8I8ReUWflaCoa7CYsIRJFdQ:NGVDSbca7C7IRJn
TLSH T1AE437D563550C03AC41650754839C2B29B7FB93116B6C587BFD80BBF5F322E9AA3E34A
TrID 55.2% (.EXE) Win64 Executable (generic) (10523/12/4)
23.6% (.EXE) Win32 Executable (generic) (4504/4/1)
10.5% (.EXE) Generic Win/DOS Executable (2002/3)
10.5% (.EXE) DOS Executable Generic (2000/1)
Reporter MrEmpy
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
3
# of downloads :
339
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
c204c4829e79a4b78fdeefcf587eabc6e508402d132d00e37c74fe5fe8cf325a.exe
Verdict:
Suspicious activity
Analysis date:
2024-03-25 13:01:42 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/7745c423-0cf7-4f5f-b1fa-479b37149169

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
Unauthorized injection to a recently created process
Restart of the analyzed sample
Searching for the window
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fingerprint remoteadmin virus
Link:
https://www.filescan.io/uploads/6601720da37c92181887273e/reports/12252ef5-af15-484f-8759-43803d1a1f80/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/c204c4829e79a4b78fdeefcf587eabc6e508402d132d00e37c74fe5fe8cf325a
Malware family:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9fb37820-0775-4832-93bc-5debdb7c59ed
Result
Threat name:
RemCom RemoteAdmin
Create hunting rule
Detection:
malicious
Classification:
evad.troj.expl
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1415084
Signature
Antivirus / Scanner detection for submitted sample
Connects to many different private IPs (likely to spread or exploit)
Connects to many different private IPs via SMB (likely to spread or exploit)
Connects to many IPs within the same subnet mask (likely port scanning)
Found evasive API chain (may stop execution after checking mutex)
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c204c4829e79a4b78fdeefcf587eabc6e508402d132d00e37c74fe5fe8cf325a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c204c4829e79a4b78fdeefcf587eabc6e508402d132d00e37c74fe5fe8cf325a/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2019-06-29 03:34:00 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
38 of 38 (100.00%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yicmjau6pgslpd6657hvq7vly3sqqqbncmwqby34ot7f72gpgjna._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/240325-pzmdgaah6x/
Behaviour
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
c204c4829e79a4b78fdeefcf587eabc6e508402d132d00e37c74fe5fe8cf325a
MD5 hash:
a9438d893c19d866cf720a581c9476bc
SHA1 hash:
76207198002c4e5188d7a35cb5c64bec0d7a4453
Detections:
win_remcom_auto
Create hunting rule
RemCom_RemoteCommandExecution
Create hunting rule
Link:
https://www.unpac.me/results/72cdcd85-f01b-4d93-95ba-9305e625a6d3/
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/c204c4829e79a4b78fdeefcf587eabc6e508402d132d00e37c74fe5fe8cf325a

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:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:RemCom_RemoteCommandExecution
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects strings from RemCom tool
Reference:https://goo.gl/tezXZt
Rule name:RemCom_RemoteCommandExecution_RID3292
Create hunting rule
Author:Florian Roth
Description:Detects strings from RemCom tool
Reference:https://goo.gl/tezXZt
Rule name:win_remcom_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcom.

File information

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

  
Delivery method
Other

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 (HIGH_ENTROPY_VA)high
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::AllocateAndInitializeSid
ADVAPI32.dll::EqualSid
ADVAPI32.dll::FreeSid
ADVAPI32.dll::InitializeSecurityDescriptor
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::GetTokenInformation
ADVAPI32.dll::SetSecurityDescriptorDacl
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
KERNEL32.dll::OpenProcess
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA
WIN_SVC_APICan Manipulate Windows ServicesADVAPI32.dll::OpenSCManagerA
ADVAPI32.dll::OpenServiceA
ADVAPI32.dll::RegisterServiceCtrlHandlerA
ADVAPI32.dll::StartServiceCtrlDispatcherA

Comments