MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d8ec8e8682d90ffbb53ca70a584d1809ccb2a9050c91692946366e08ebef4f26. 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: 12


Intelligence 12 IOCs YARA 1 File information Comments

SHA256 hash: d8ec8e8682d90ffbb53ca70a584d1809ccb2a9050c91692946366e08ebef4f26
SHA3-384 hash: 0ea5dbc24c75981c4a484402a2acb7aa109014d924e3a2143f0c49471b1e3375b9115c7543c397fbfbaa9def9ee39d0f
SHA1 hash: 2c56e2685877f58c19fddedd52bb34830d758c7f
MD5 hash: 9ce6e01973296ab37eed40a49572393f
humanhash: moon-cardinal-avocado-lithium
File name:Updated_Catalog_PDF.exe
Download: download sample
Signature RemcosRAT
File size:406'416 bytes
First seen:2024-04-03 11:47:06 UTC
Last seen:2024-04-04 05:17:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f4639a0b3116c2cfc71144b88a929cfd (96 x GuLoader, 53 x Formbook, 37 x VIPKeylogger)
ssdeep 6144:kXFKo55wa13qIf8tZur+i+J2GHft1dVweKy7R1fnML:kX9aML+h/zdVqwtML
Threatray 691 similar samples on MalwareBazaar
TLSH T19084CF65E399C8B1D81112378473ADA717773D75297C8F1E721D3B3A2E3238A791A306
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon 00404882a08ccee8 (1 x RemcosRAT)
Reporter smica83
Tags:exe GuLoader HUN RemcosRAT signed

Code Signing Certificate

Organisation:Snoningers
Issuer:Snoningers
Algorithm:sha256WithRSAEncryption
Valid from:2023-10-10T07:00:52Z
Valid to:2026-10-09T07:00:52Z
Serial number: 6967127d4084e1e290c96372fdacd742859c8866
Thumbprint Algorithm:SHA256
Thumbprint: 512cb386dee21017b7162dc845f6cfc846ebbfe1a29825a1fae336517f07ddb5
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
3
# of downloads :
440
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d8ec8e8682d90ffbb53ca70a584d1809ccb2a9050c91692946366e08ebef4f26.exe
Verdict:
Malicious activity
Analysis date:
2024-04-03 11:47:48 UTC
Tags:
n/a

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

Behaviour
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% directory
Searching for the window
Creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
installer lolbin masquerade overlay packed shell32
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.
Result
Threat name:
GuLoader, Remcos
Detection:
malicious
Classification:
troj.evad.phis.spyw
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Detected Remcos RAT
Found malware configuration
Initial sample is a PE file and has a suspicious name
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: New RUN Key Pointing to Suspicious Folder
Sigma detected: Remcos
Sigma detected: Wab/Wabmig Unusual Parent Or Child Processes
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Tries to steal Mail credentials (via file registry)
Writes to foreign memory regions
Yara detected GuLoader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1419307 Sample: Updated_Catalog_PDF.exe Startdate: 03/04/2024 Architecture: WINDOWS Score: 100 30 mynah.airdns.org 2->30 32 geoplugin.net 2->32 34 adamkiddoo.com 2->34 48 Multi AV Scanner detection for domain / URL 2->48 50 Found malware configuration 2->50 52 Antivirus detection for dropped file 2->52 54 11 other signatures 2->54 8 Updated_Catalog_PDF.exe 3 34 2->8         started        signatures3 process4 file5 26 C:\Users\user\AppData\Local\...\System.dll, PE32 8->26 dropped 56 Writes to foreign memory regions 8->56 12 wab.exe 4 16 8->12         started        signatures6 process7 dnsIp8 36 mynah.airdns.org 82.102.23.131, 3033, 50267, 50268 M247GB Malta 12->36 38 adamkiddoo.com 50.87.142.20, 443, 50266 UNIFIEDLAYER-AS-1US United States 12->38 40 geoplugin.net 178.237.33.50, 50271, 80 ATOM86-ASATOM86NL Netherlands 12->40 28 C:\Users\user\AppData\Local\...\Subaltern.exe, PE32 12->28 dropped 58 Detected Remcos RAT 12->58 60 Tries to harvest and steal browser information (history, passwords, etc) 12->60 62 Maps a DLL or memory area into another process 12->62 17 wab.exe 1 12->17         started        20 wab.exe 1 12->20         started        22 wab.exe 2 12->22         started        24 wab.exe 12->24         started        file9 signatures10 process11 signatures12 42 Tries to steal Instant Messenger accounts or passwords 17->42 44 Tries to harvest and steal browser information (history, passwords, etc) 17->44 46 Tries to steal Mail credentials (via file / registry access) 20->46
Threat name:
Win32.Trojan.Guloader
Status:
Malicious
First seen:
2024-04-03 09:27:02 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
guloader
Score:
  10/10
Tags:
family:guloader downloader persistence
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Guloader,Cloudeye
Unpacked files
SH256 hash:
9111099efe9d5c9b391dc132b2faf0a3851a760d4106d5368e30ac744eb42706
MD5 hash:
4add245d4ba34b04f213409bfe504c07
SHA1 hash:
ef756d6581d70e87d58cc4982e3f4d18e0ea5b09
SH256 hash:
d8ec8e8682d90ffbb53ca70a584d1809ccb2a9050c91692946366e08ebef4f26
MD5 hash:
9ce6e01973296ab37eed40a49572393f
SHA1 hash:
2c56e2685877f58c19fddedd52bb34830d758c7f
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:PE_Digital_Certificate
Author:albertzsigovits

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 (HIGH_ENTROPY_VA)high
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
SHELL32.dll::SHFileOperationW
SHELL32.dll::SHGetFileInfoW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetDiskFreeSpaceW
KERNEL32.dll::GetCommandLineW
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::MoveFileExW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuW
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExW
USER32.dll::OpenClipboard
USER32.dll::PeekMessageW
USER32.dll::CreateWindowExW

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