MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f8a6c58d226e584aad84d5ede794437d88f9a8b82cd1c899417c2572d5e4cba4. 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 3 File information Comments

SHA256 hash: f8a6c58d226e584aad84d5ede794437d88f9a8b82cd1c899417c2572d5e4cba4
SHA3-384 hash: d53c7701407e8f26392feb86a79f1b68f7fe28d906b094313a0521730923456bbf2b37cd49225cf479a6ac6584fb149b
SHA1 hash: 06bdad72fb94eedd20fa745550d356fee150222f
MD5 hash: 5f0d70ce83681545008ce05b22081a61
humanhash: fix-helium-sodium-don
File name:SKMFTTEHRAN665757754757758689949688445454Ordn.exe
Download: download sample
Signature RemcosRAT
File size:633'752 bytes
First seen:2024-05-07 20:45:33 UTC
Last seen:2024-05-07 21:22:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f4639a0b3116c2cfc71144b88a929cfd (96 x GuLoader, 53 x Formbook, 37 x VIPKeylogger)
ssdeep 12288:zXWG6OT+LTOaWT9MJ7m+GEVW1rNKAqUvy9Otxa4asIkxFN:zXWsTmWT9MZmhnKAqoyAL/Ia
TLSH T173D40243255DDDEBEC2D4EB3C653C97209F7BD4855A4269BA188B77B29B4090A00E33E
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 e0dcecc3f3a2f8f0 (2 x RemcosRAT, 1 x GuLoader)
Reporter abuse_ch
Tags:exe RAT RemcosRAT signed

Code Signing Certificate

Organisation:Floveste
Issuer:Floveste
Algorithm:sha256WithRSAEncryption
Valid from:2024-01-19T02:39:32Z
Valid to:2027-01-18T02:39:32Z
Serial number: 41c6cea2dfdc0b890d29095e5870dd2c0eb93371
Thumbprint Algorithm:SHA256
Thumbprint: 4cc5f1629c3e2c0312083b00669386fb07722934daa8a57b4650250a27b37ac6
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform


Avatar
abuse_ch
RemcosRAT C2:
178.215.236.110:3050

Intelligence


File Origin
# of uploads :
2
# of downloads :
405
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f8a6c58d226e584aad84d5ede794437d88f9a8b82cd1c899417c2572d5e4cba4.exe
Verdict:
Malicious activity
Analysis date:
2024-05-07 20:50:25 UTC
Tags:
n/a

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

Behaviour
Creating a window
Creating a file in the %AppData% subdirectories
Launching a process
Changing a file
Running batch commands
Using the Windows Management Instrumentation requests
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
installer lolbin overlay packed shell32
Result
Threat name:
GuLoader, Remcos
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Hides threads from debuggers
Installs a global keyboard hook
Obfuscated command line found
Powershell drops PE file
Sigma detected: Wab/Wabmig Unusual Parent Or Child Processes
Snort IDS alert for network traffic
Suspicious powershell command line found
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected GuLoader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1437792 Sample: SKMFTTEHRAN6657577547577586... Startdate: 07/05/2024 Architecture: WINDOWS Score: 100 39 jgbours284hawara02.duckdns.org 2->39 41 vauxhall.top 2->41 43 geoplugin.net 2->43 51 Snort IDS alert for network traffic 2->51 53 Found malware configuration 2->53 55 Antivirus detection for URL or domain 2->55 59 4 other signatures 2->59 10 SKMFTTEHRAN665757754757758689949688445454Ordn.exe 33 2->10         started        signatures3 57 Uses dynamic DNS services 39->57 process4 file5 35 C:\Users\user\AppData\Roaming\...\Wakened.Syn, ASCII 10->35 dropped 65 Suspicious powershell command line found 10->65 14 powershell.exe 20 10->14         started        signatures6 process7 file8 37 SKMFTTEHRAN6657577...49688445454Ordn.exe, PE32 14->37 dropped 67 Obfuscated command line found 14->67 69 Writes to foreign memory regions 14->69 71 Found suspicious powershell code related to unpacking or dynamic code loading 14->71 73 2 other signatures 14->73 18 wab.exe 5 15 14->18         started        23 conhost.exe 14->23         started        25 cmd.exe 1 14->25         started        signatures9 process10 dnsIp11 45 jgbours284hawara02.duckdns.org 178.215.236.110, 3050, 49739 LVLT-10753US Germany 18->45 47 vauxhall.top 104.21.20.113, 443, 49738 CLOUDFLARENETUS United States 18->47 49 geoplugin.net 178.237.33.50, 49740, 80 ATOM86-ASATOM86NL Netherlands 18->49 33 C:\Users\user\AppData\Roaming\jiourhjs.dat, data 18->33 dropped 61 Hides threads from debuggers 18->61 63 Installs a global keyboard hook 18->63 27 cmd.exe 1 18->27         started        file12 signatures13 process14 process15 29 conhost.exe 27->29         started        31 reg.exe 1 1 27->31         started       
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2024-05-07 20:46:05 UTC
File Type:
PE (Exe)
Extracted files:
19
AV detection:
12 of 24 (50.00%)
Threat level:
  2/5
Verdict:
malicious
Result
Malware family:
guloader
Score:
  10/10
Tags:
family:guloader downloader execution persistence
Behaviour
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Command and Scripting Interpreter: PowerShell
Guloader,Cloudeye
Unpacked files
SH256 hash:
f8a6c58d226e584aad84d5ede794437d88f9a8b82cd1c899417c2572d5e4cba4
MD5 hash:
5f0d70ce83681545008ce05b22081a61
SHA1 hash:
06bdad72fb94eedd20fa745550d356fee150222f
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:NSIS_April_2024
Author:NDA0N
Description:Detects NSIS installers
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:PE_Potentially_Signed_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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