MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ee36f3561339143b4225add8eaf3520a29034e6d910b9b67529128051d0c39b2. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ee36f3561339143b4225add8eaf3520a29034e6d910b9b67529128051d0c39b2
SHA3-384 hash: 87d31f5295feaaa7b23e952646deb880dac5b450cdf61284e1b1edd37ca46b1d8a34332c2d5009edae532b5f4365a6a6
SHA1 hash: 459798998c25c93b2787038a5dcd156ba73bc006
MD5 hash: f7d7753ba906c463af989cc1ea66a3a9
humanhash: leopard-georgia-kansas-lactose
File name:solicitação de cotação.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'421'312 bytes
First seen:2024-08-22 14:12:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 948cc502fe9226992dce9417f952fce3 (1'182 x CredentialFlusher, 446 x Formbook, 231 x AgentTesla)
ssdeep 24576:cqDEvCTbMWu7rQYlBQcBiT6rprG8auyedioIpgYL9MDIaBg:cTvC/MTQYxsWR7auFibTL7
TLSH T10D65D0027381D062FF9B92334B5AF7515BBC69260123AA1F13A81DBDBD701B1563E7A3
TrID 68.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.5% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.4% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
File icon (PE):PE icon
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter lowmal3
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
414
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
solicitação de cotação.exe
Verdict:
No threats detected
Analysis date:
2024-08-22 14:15:14 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/77547727-ccf9-45f3-bd58-be9caa664f52

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Generic.33203615.28472.17882.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66c7476fe7ff3f5a063bc44d
Tags:
Generic Stealth Trojan Agent
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Creating a file
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/ee36f3561339143b4225add8eaf3520a29034e6d910b9b67529128051d0c39b2
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:
Malicious
Link:
https://analyze.intezer.com/analyses/ab0ed18b-1522-4828-b1f8-9cf3f65905ca
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1497484
Signature
AI detected suspicious sample
Binary is likely a compiled AutoIt script file
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
Detected Remcos RAT
Drops VBS files to the startup folder
Found API chain indicative of sandbox detection
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Sigma detected: Remcos
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
System process connects to network (likely due to code injection or exploit)
Uses dynamic DNS services
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1497484 Sample: solicita#U00e7#U00e3o de co... Startdate: 22/08/2024 Architecture: WINDOWS Score: 100 30 eadzagba1.duckdns.org 2->30 32 geoplugin.net 2->32 38 Suricata IDS alerts for network traffic 2->38 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 46 11 other signatures 2->46 8 solicita#U00e7#U00e3o de cota#U00e7#U00e3o.exe 6 2->8         started        12 wscript.exe 1 2->12         started        signatures3 44 Uses dynamic DNS services 30->44 process4 file5 26 C:\Users\user\AppData\Local\...\name.exe, PE32 8->26 dropped 56 Binary is likely a compiled AutoIt script file 8->56 14 name.exe 3 8->14         started        58 Windows Scripting host queries suspicious COM object (likely to drop second stage) 12->58 18 name.exe 2 12->18         started        signatures6 process7 file8 28 C:\Users\user\AppData\Roaming\...\name.vbs, data 14->28 dropped 60 Multi AV Scanner detection for dropped file 14->60 62 Binary is likely a compiled AutoIt script file 14->62 64 Machine Learning detection for dropped file 14->64 70 3 other signatures 14->70 20 svchost.exe 3 13 14->20         started        66 Writes to foreign memory regions 18->66 68 Maps a DLL or memory area into another process 18->68 24 svchost.exe 18->24         started        signatures9 process10 dnsIp11 34 geoplugin.net 178.237.33.50, 49705, 80 ATOM86-ASATOM86NL Netherlands 20->34 36 eadzagba1.duckdns.org 198.46.178.133, 4877, 49704 AS-COLOCROSSINGUS United States 20->36 48 System process connects to network (likely due to code injection or exploit) 20->48 50 Contains functionality to bypass UAC (CMSTPLUA) 20->50 52 Detected Remcos RAT 20->52 54 5 other signatures 20->54 signatures12
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ee36f3561339143b4225add8eaf3520a29034e6d910b9b67529128051d0c39b2
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ee36f3561339143b4225add8eaf3520a29034e6d910b9b67529128051d0c39b2/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2024-08-22 11:40:17 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5y3pgvqthekdwqrfvxmov42sbiuqgttnsefzwz2sseuakhimhgza._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost discovery rat
Link:
https://tria.ge/reports/240822-rjdsha1ekh/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
AutoIT Executable
Suspicious use of SetThreadContext
Drops startup file
Executes dropped EXE
Loads dropped DLL
Remcos
Malware Config
C2 Extraction:
eadzagba1.duckdns.org:4877
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/8649369b-0eb9-47b6-a777-db2af2aca1a6
Unpacked files
SH256 hash:
2d9e278b0ee8b2d389e55a36fdc84fa11d8f2cdee5a5c15d93f5132ea981b2c8
MD5 hash:
f3fe5b3011a0f7b5c5b6244add73afe0
SHA1 hash:
db350270ef881f241958a99c1258aa32d168c240
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
win_remcos_w0
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
Link:
https://www.unpac.me/results/b36d4cfb-aa61-4372-9bfe-5a5c07651f27/
Parent samples :
ee36f3561339143b4225add8eaf3520a29034e6d910b9b67529128051d0c39b2
6d8192c01d191baa76250cf31aceba5ebf250db393a2fd09f9c5ea4a863765c7
SH256 hash:
ee36f3561339143b4225add8eaf3520a29034e6d910b9b67529128051d0c39b2
MD5 hash:
f7d7753ba906c463af989cc1ea66a3a9
SHA1 hash:
459798998c25c93b2787038a5dcd156ba73bc006
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/b36d4cfb-aa61-4372-9bfe-5a5c07651f27/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ee36f3561339/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/ee36f3561339143b4225add8eaf3520a29034e6d910b9b67529128051d0c39b2

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:AutoIT_Compiled
Create hunting rule
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:pe_detect_tls_callbacks
Create hunting rule

File information

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

Malspam

RemcosRAT

Executable exe ee36f3561339143b4225add8eaf3520a29034e6d910b9b67529128051d0c39b2

(this sample)

  
Delivery method
Distributed via e-mail attachment

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
CHECK_NXMissing Non-Executable Memory Protectioncritical
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::AllocateAndInitializeSid
ADVAPI32.dll::CopySid
ADVAPI32.dll::FreeSid
ADVAPI32.dll::GetLengthSid
ADVAPI32.dll::GetTokenInformation
ADVAPI32.dll::GetAce
COM_BASE_APICan Download & Execute componentsole32.dll::CLSIDFromProgID
ole32.dll::CoCreateInstance
ole32.dll::CoCreateInstanceEx
ole32.dll::CoInitializeSecurity
ole32.dll::CreateStreamOnHGlobal
MULTIMEDIA_APICan Play MultimediaWINMM.dll::mciSendStringW
WINMM.dll::timeGetTime
WINMM.dll::waveOutSetVolume
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AddAce
ADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::CheckTokenMembership
ADVAPI32.dll::DuplicateTokenEx
ADVAPI32.dll::GetAclInformation
ADVAPI32.dll::GetSecurityDescriptorDacl
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
SHELL32.dll::ShellExecuteW
SHELL32.dll::SHFileOperationW
WIN32_PROCESS_APICan Create Process and ThreadsADVAPI32.dll::CreateProcessAsUserW
KERNEL32.dll::CreateProcessW
ADVAPI32.dll::CreateProcessWithLogonW
KERNEL32.dll::OpenProcess
ADVAPI32.dll::OpenProcessToken
ADVAPI32.dll::OpenThreadToken
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::SetSystemPowerState
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetDriveTypeW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileExW
KERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
IPHLPAPI.DLL::IcmpCreateFile
KERNEL32.dll::CreateFileW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
ADVAPI32.dll::GetUserNameW
ADVAPI32.dll::LogonUserW
ADVAPI32.dll::LookupPrivilegeValueW
WIN_NETWORK_APISupports Windows NetworkingMPR.dll::WNetAddConnection2W
MPR.dll::WNetUseConnectionW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegConnectRegistryW
ADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::BlockInput
USER32.dll::CloseDesktop
USER32.dll::CreateMenu
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExW
USER32.dll::FindWindowW

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