MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 92ebb6be19502fe2573a9eac183bcc657b88ac5b0344285d9db409b0a3d88dab. 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



Worm.Ramnit


Vendor detections: 16


Intelligence 16 IOCs YARA 6 File information Comments

SHA256 hash: 92ebb6be19502fe2573a9eac183bcc657b88ac5b0344285d9db409b0a3d88dab
SHA3-384 hash: 25910fcee7a406c01b62acd581bbc603eda711563f8d0a04c1c28a8620a97d5712d9c943069abaa4b19ec3c0244a3cac
SHA1 hash: 43aa866156cf42b3acf0b383cdbb8e97ab86da4b
MD5 hash: 6129066d1eafcd7e0fca655e885bffb4
humanhash: william-stream-early-sodium
File name:756E3399F2905AA3358E4045185FAD0C6902A91D3995CCCC0198F3B056323F34.exe
Download: download sample
Signature Worm.Ramnit
File size:231'424 bytes
First seen:2024-07-24 16:13:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 98af1336ee9a8378f1e2c2d0d9027760 (9 x Stop, 2 x Smoke Loader, 1 x RedLineStealer)
ssdeep 1536:8gKtN3iACq1ntP4qlUL8WWeTcBrz+fw9/0OYmXqVi5h/emzMuwGCq2iW7z:8gKtZZ2GUL8tBrz+f40gXq05hrAnGCH
TLSH T18C34D02E3A808436C447003535A6D6A26B3FBD310BB698073B96477E6F713D149FE79A
TrID 37.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
20.0% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
12.7% (.EXE) Win64 Executable (generic) (10523/12/4)
7.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 5c59da3ce0c1c850 (36 x Stop, 33 x Smoke Loader, 26 x RedLineStealer)
Reporter Anonymous
Tags:exe Worm.Ramnit


Avatar
Anonymous
this malware sample is very nasty!

Intelligence


File Origin
# of uploads :
1
# of downloads :
301
Origin country :
CN CN
Vendor Threat Intelligence
Verdict:
Malicious
Score:
97.4%
Tags:
Execution Generic Network Static Stealth
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a process from a recently created file
Changing an executable file
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Connection attempt to an infection source
Sending an HTTP GET request to an infection source
Modifying an executable file
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Query of malicious DNS domain
Infecting executable files
Unauthorized injection to a system process
Enabling autorun by creating a file
Sending an HTTP POST request to an infection source
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.
Malware family:
Generic Malware
Verdict:
Malicious
Result
Threat name:
Bdaejec, SmokeLoader
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Checks if the current machine is a virtual machine (disk enumeration)
Contains functionality to inject code into remote processes
Creates a thread in another existing process (thread injection)
Deletes itself after installation
Detected unpacking (changes PE section rights)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Infects executable files (exe, dll, sys, html)
Injects a PE file into a foreign processes
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
PE file contains section with special chars
PE file has a writeable .text section
Switches to a custom stack to bypass stack traces
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses known network protocols on non-standard ports
Yara detected Bdaejec
Yara detected SmokeLoader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1480364 Sample: 756E3399F2905AA3358E4045185... Startdate: 24/07/2024 Architecture: WINDOWS Score: 100 49 host-data-coin-11.com 2->49 51 ddos.dnsnb8.net 2->51 57 Found malware configuration 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 Antivirus detection for URL or domain 2->61 63 12 other signatures 2->63 9 756E3399F2905AA3358E4045185FAD0C6902A91D3995CCCC0198F3B056323F34.exe 1 2->9         started        13 gghtjiw 2->13         started        signatures3 process4 file5 43 C:\Users\user\AppData\Local\Temp\KrX.exe, PE32 9->43 dropped 65 Detected unpacking (changes PE section rights) 9->65 67 Contains functionality to inject code into remote processes 9->67 69 Injects a PE file into a foreign processes 9->69 71 Switches to a custom stack to bypass stack traces 9->71 15 756E3399F2905AA3358E4045185FAD0C6902A91D3995CCCC0198F3B056323F34.exe 9->15         started        18 KrX.exe 14 9->18         started        73 Antivirus detection for dropped file 13->73 75 Multi AV Scanner detection for dropped file 13->75 77 Machine Learning detection for dropped file 13->77 22 gghtjiw 13->22         started        24 KrX.exe 1 25 13->24         started        signatures6 process7 dnsIp8 87 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 15->87 89 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 15->89 91 Maps a DLL or memory area into another process 15->91 26 explorer.exe 35 3 15->26 injected 53 ddos.dnsnb8.net 44.221.84.105, 49730, 49744, 49745 AMAZON-AESUS United States 18->53 37 C:\Program Files\7-Zip\Uninstall.exe, PE32 18->37 dropped 39 C:\Program Files (x86)\AutoIt3\...\SciTE.exe, PE32 18->39 dropped 41 C:\Program Files (x86)\AutoIt3\...\MyProg.exe, MS-DOS 18->41 dropped 93 Antivirus detection for dropped file 18->93 95 Multi AV Scanner detection for dropped file 18->95 97 Detected unpacking (changes PE section rights) 18->97 103 2 other signatures 18->103 31 WerFault.exe 21 16 18->31         started        99 Checks if the current machine is a virtual machine (disk enumeration) 22->99 101 Creates a thread in another existing process (thread injection) 22->101 33 cmd.exe 1 24->33         started        file9 signatures10 process11 dnsIp12 55 host-data-coin-11.com 188.40.141.211, 49743, 80 HETZNER-ASDE Germany 26->55 45 C:\Users\user\AppData\Roaming\gghtjiw, PE32 26->45 dropped 47 C:\Users\user\...\gghtjiw:Zone.Identifier, ASCII 26->47 dropped 79 System process connects to network (likely due to code injection or exploit) 26->79 81 Benign windows process drops PE files 26->81 83 Deletes itself after installation 26->83 85 Hides that the sample has been downloaded from the Internet (zone.identifier) 26->85 35 conhost.exe 33->35         started        file13 signatures14 process15
Threat name:
Win32.Virus.Jadtre
Status:
Malicious
First seen:
2024-07-24 16:14:05 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
36 of 38 (94.74%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:smokeloader botnet:pub2 aspackv2 backdoor discovery trojan
Behaviour
Checks SCSI registry key(s)
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Suspicious use of SetThreadContext
ASPack v2.12-2.42
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
SmokeLoader
Unpacked files
SH256 hash:
523ec8ee5bbdedb43198b84134dc41cbcb03116c3661268f8617857ff6e59a45
MD5 hash:
95ef859b6ac03c2557d9b7bf585366d4
SHA1 hash:
8821548f2f0ee14fa8cc3290b5ea95b50ff6a912
Detections:
win_unidentified_045_auto win_unidentified_045_g0
SH256 hash:
92ebb6be19502fe2573a9eac183bcc657b88ac5b0344285d9db409b0a3d88dab
MD5 hash:
6129066d1eafcd7e0fca655e885bffb4
SHA1 hash:
43aa866156cf42b3acf0b383cdbb8e97ab86da4b
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns

File information


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

Malspam

Worm.Ramnit

Executable exe 92ebb6be19502fe2573a9eac183bcc657b88ac5b0344285d9db409b0a3d88dab

(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_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
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::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetConsoleTextAttribute
KERNEL32.dll::GetConsoleAliasesLengthW
KERNEL32.dll::GetConsoleAliasesA
KERNEL32.dll::GetConsoleTitleA
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryExA
KERNEL32.dll::CreateDirectoryExW
KERNEL32.dll::MoveFileExW
KERNEL32.dll::MoveFileW
KERNEL32.dll::ReplaceFileW

Comments