MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7a239a87c0785429e4ac4b42b826c7157244c565b5b97f0f43272fdbc125ec9a. 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



Threat unknown


Vendor detections: 10


Intelligence 10 IOCs YARA 5 File information Comments

SHA256 hash: 7a239a87c0785429e4ac4b42b826c7157244c565b5b97f0f43272fdbc125ec9a
SHA3-384 hash: def1d245875be78a0542d60a143d05a43cdff99bcad57669370eb4d1cfc8f1f91a7ed70ca32f80451cf5b431d6054e56
SHA1 hash: fce5d23f6b728e5b57a4206f957f2e484c1e1b8d
MD5 hash: 987827ce9a6c25d7558b6e6a8c51295c
humanhash: maine-august-vegan-alanine
File name:SecuriteInfo.com.W64.Remsim.A.gen.Eldorado.26269.16542
Download: download sample
File size:29'686'320 bytes
First seen:2024-03-28 05:22:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2bf1fc659e1e270e26d98d8a21b8f037
ssdeep 786432:JeWhfidyHjIF5ZySaSYUNFXk269gItWA35QUAilNoSLIr:+HZySlX0249WAJQUAilSSy
TLSH T1C2573324E2A35FB9DF17A5BCD08B44C6A65AF9A703C5023627F19AC18F543F4441FE29
TrID 44.4% (.EXE) Win64 Executable (generic) (10523/12/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
File icon (PE):PE icon
dhash icon 70fcb0b0b0b0f87c (10 x CobaltStrike, 8 x SimpleHelp)
Reporter SecuriteInfoCom
Tags:exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
531
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
7a239a87c0785429e4ac4b42b826c7157244c565b5b97f0f43272fdbc125ec9a.exe
Verdict:
Malicious activity
Analysis date:
2024-03-28 05:27:20 UTC
Tags:
n/a

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

Behaviour
Creating a window
Creating a file in the %AppData% subdirectories
DNS request
Connection attempt
Sending an HTTP GET request
Creating a process from a recently created file
Delayed writing of the file
Creating a file in the %temp% subdirectories
Moving a file to the %AppData% subdirectory
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Searching for the window
Using the Windows Management Instrumentation requests
Verdict:
No Threat
Threat level:
  10/10
Confidence:
100%
Tags:
fingerprint lolbin overlay packed remote shell32
Result
Verdict:
MALICIOUS
Result
Threat name:
n/a
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
66 / 100
Signature
Deletes keys which are related to windows safe boot (disables safe mode boot)
Enables network access during safeboot for specific services
Installs a global keyboard hook
Multi AV Scanner detection for submitted file
Queries memory information (via WMI often done to detect virtual machines)
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines)
Snort IDS alert for network traffic
Uses known network protocols on non-standard ports
Writes a notice file (html or txt) to demand a ransom
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1416838 Sample: SecuriteInfo.com.W64.Remsim... Startdate: 28/03/2024 Architecture: WINDOWS Score: 66 72 lcsweb01.lexappcloud.com 2->72 76 Snort IDS alert for network traffic 2->76 78 Multi AV Scanner detection for submitted file 2->78 80 Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines) 2->80 82 3 other signatures 2->82 10 SecuriteInfo.com.W64.Remsim.A.gen.Eldorado.26269.16542.exe 293 2->10         started        15 SimpleService.exe 2->15         started        signatures3 process4 dnsIp5 74 lcsweb01.lexappcloud.com 216.7.132.218, 49734, 49735, 49742 QX-NET-ASN-1US United States 10->74 62 C:\Users\user\AppData\...\Remote Support.exe, PE32+ 10->62 dropped 64 C:\Users\user\AppData\Roaming\...\en.txt, ASCII 10->64 dropped 66 C:\Users\user\AppData\Roaming\...\zip.dll, PE32+ 10->66 dropped 68 68 other files (none is malicious) 10->68 dropped 90 Writes a notice file (html or txt) to demand a ransom 10->90 17 Remote Support.exe 32 10->17         started        22 unpack200.exe 1 10->22         started        24 unpack200.exe 1 10->24         started        30 11 other processes 10->30 26 SimpleService.exe 15->26         started        28 session_win.exe 15->28         started        file6 signatures7 process8 dnsIp9 70 127.0.0.1 unknown unknown 17->70 56 C:\ProgramData\...\SimpleService.exe, PE32 17->56 dropped 58 C:\ProgramData\SimpleHelp\...\elev_win.exe, PE32 17->58 dropped 84 Installs a global keyboard hook 17->84 32 elev_win.exe 17->32         started        34 icacls.exe 17->34         started        36 icacls.exe 17->36         started        38 icacls.exe 17->38         started        86 Deletes keys which are related to windows safe boot (disables safe mode boot) 26->86 40 windowslauncher.exe 28->40         started        file10 signatures11 process12 file13 43 elev_win.exe 32->43         started        45 conhost.exe 34->45         started        47 conhost.exe 36->47         started        49 conhost.exe 38->49         started        60 C:\Users\user\...\Session Elevation Helper, PE32+ 40->60 dropped 51 Session Elevation Helper 40->51         started        process14 process15 53 SimpleService.exe 43->53         started        signatures16 88 Enables network access during safeboot for specific services 53->88
Gathering data
Verdict:
unknown
Result
Malware family:
n/a
Score:
  4/10
Tags:
n/a
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Executes dropped EXE
Loads dropped DLL
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
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::ConvertStringSidToSidA
ADVAPI32.dll::EqualSid
ADVAPI32.dll::GetExplicitEntriesFromAclA
ADVAPI32.dll::GetNamedSecurityInfoA
ADVAPI32.dll::SetEntriesInAclA
ADVAPI32.dll::SetNamedSecurityInfoA
MULTIMEDIA_APICan Play MultimediaWINMM.dll::timeGetTime
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
WININET.dll::InternetCloseHandle
WINHTTP.dll::WinHttpCloseHandle
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetDriveTypeA
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryA
KERNEL32.dll::CreateFileA
KERNEL32.dll::DeleteFileA
KERNEL32.dll::MoveFileExA
KERNEL32.dll::MoveFileA
KERNEL32.dll::GetFileAttributesA
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::GetUserNameA
WIN_HTTP_APIUses HTTP servicesWINHTTP.dll::WinHttpGetIEProxyConfigForCurrentUser
WINHTTP.dll::WinHttpGetProxyForUrl
WINHTTP.dll::WinHttpOpen
WIN_USER_APIPerforms GUI ActionsUSER32.dll::PeekMessageA
USER32.dll::CreateWindowExA

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