MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 846a133da0ee9a6013c87617deaee2729f12141f36a5cf66a0924add306d6f49. 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: 11

Intelligence 11 IOCs YARA 7 File information Comments

SHA256 hash:	846a133da0ee9a6013c87617deaee2729f12141f36a5cf66a0924add306d6f49
SHA3-384 hash:	49adbc683d9beb597d1011bd5db4878f90a4401006a37bc028d17ea11ab2919795a492f6b77161920bfeb82fac3ed817
SHA1 hash:	454f80fa101a108d5d84b1dfb6f600914e3e4bf6
MD5 hash:	ba2621c52fa1d356b3ed1e0dce6df970
humanhash:	lactose-harry-romeo-thirteen
File name:	LisectAVT_2403002B_267.exe
Download:	download sample
Signature	Worm.Ramnit Create hunting rule
File size:	243'200 bytes
First seen:	2024-07-25 01:10:10 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	5877688b4859ffd051f6be3b8e0cd533 (119 x Babadeda, 2 x DCRat, 2 x RedLineStealer)
ssdeep	3072:vliUPXC8k1nJrX+fNTBfAlqX5U3jJASLkiWXsz63tw1RXLGCH:vzBkLL2NTBoIJ3SLkiWXsz63tl
TLSH	T1BD345BC5FEC246F5C4B14DF1303236DF672D2E558AE0655AA3083EF1653B062A23BA5E
TrID	36.9% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 19.5% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 12.4% (.EXE) Win64 Executable (generic) (10523/12/4) 7.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 5.9% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):
dhash icon	f0d8acb68ecce871 (1 x Worm.Ramnit)
Reporter	Anonymous
Tags:	exe Worm.Ramnit

Anonymous

this malware sample is very nasty!

Intelligence

File Origin

# of uploads :

# of downloads :

228

Origin country :

Vendor Threat Intelligence

Detection(s):

PUA.Win.Packer.Asprotect-3

Win.Malware.Wapomi-10020301-0

SecuriteInfo.com.BAT.KillWin.dropper.1184.UNOFFICIAL

Gathering data

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a file in the %temp% directory

Creating a process from a recently created file

Changing an executable file

Creating a window

Creating a file

Сreating synchronization primitives

Connection attempt to an infection source

Sending an HTTP GET request to an infection source

Running batch commands

Creating a process with a hidden window

Modifying an executable file

Query of malicious DNS domain

Infecting executable files

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

lolbin packed shell32

Link:

https://www.filescan.io/uploads/66a1a62b8f66298c01f37ded/reports/01ee229e-1598-40f0-817d-fec7f7aeb4b2/overview

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:

Suspicious

Link:

https://analyze.intezer.com/analyses/d588765e-39e3-4476-8f9e-db20c16ee983

Result

Threat name:

Babadeda, Bdaejec

Detection:

malicious

Classification:

spre.troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1481877

Behaviour

Behavior Graph:

n/a

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/846a133da0ee9a6013c87617deaee2729f12141f36a5cf66a0924add306d6f49

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/846a133da0ee9a6013c87617deaee2729f12141f36a5cf66a0924add306d6f49/

Threat name:

Win32.Virus.Jadtre

Status:

Malicious

First seen:

2024-07-25 01:11:05 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

36 of 38 (94.74%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=qrvbgpna52ngae6ioyl55lxcokprefa7g2s46zvasjfn2mdnn5eq._file

Verdict:

malicious

Result

Malware family:

n/a

Score:

7/10

Tags:

aspackv2 discovery

Link:

https://tria.ge/reports/240725-bj2assyeml/

Behaviour

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Drops file in Program Files directory

ASPack v2.12-2.42

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/a953f8a0-5d90-4e9c-ba77-04431aa612d0

Unpacked files

SH256 hash:

22ff9f45c6c19880871b3bace89e7d25525f1eb2f9f8fded364916761ff8fe41

MD5 hash:

50cbb48dabbd2662182c104405c7da1e

SHA1 hash:

9bf6435592d4bceb19354a89eaf985a270560a9f

Detections:

win_unidentified_045_auto

win_unidentified_045_g0

Link:

https://www.unpac.me/results/a9e9588b-a896-4556-805a-3684fa7aa877/

SH256 hash:

846a133da0ee9a6013c87617deaee2729f12141f36a5cf66a0924add306d6f49

MD5 hash:

ba2621c52fa1d356b3ed1e0dce6df970

SHA1 hash:

454f80fa101a108d5d84b1dfb6f600914e3e4bf6

Link:

https://www.unpac.me/results/a9e9588b-a896-4556-805a-3684fa7aa877/

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:	maldoc_find_kernel32_base_method_1 Create hunting rule
Author:	Didier Stevens (https://DidierStevens.com)

Rule name:	maldoc_getEIP_method_1 Create hunting rule
Author:	Didier Stevens (https://DidierStevens.com)

Rule name:	MD5_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for MD5 constants

Rule name:	meth_get_eip Create hunting rule
Author:	Willi Ballenthin

Rule name:	RIPEMD160_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for RIPEMD-160 constants

Rule name:	SHA1_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA1 constants

Rule name:	shellcode Create hunting rule
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

exe 846a133da0ee9a6013c87617deaee2729f12141f36a5cf66a0924add306d6f49

(this sample)

Link

https://bbs.kafan.cn/forum-31-1.html

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

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_NX	Missing Non-Executable Memory Protection	critical
CHECK_PIE	Missing Position-Independent Executable (PIE) Protection	high

Reviews

ID	Capabilities	Evidence
MULTIMEDIA_API	Can Play Multimedia	WINMM.DLL::timeBeginPeriod
SHELL_API	Manipulates System Shell	SHELL32.DLL::ShellExecuteExW
WIN32_PROCESS_API	Can Create Process and Threads	KERNEL32.dll::CloseHandle KERNEL32.dll::CreateThread
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryExW KERNEL32.dll::LoadLibraryW KERNEL32.dll::GetCommandLineW
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateDirectoryW KERNEL32.dll::CreateFileW KERNEL32.dll::DeleteFileW KERNEL32.dll::GetWindowsDirectoryW KERNEL32.dll::GetSystemDirectoryW KERNEL32.dll::RemoveDirectoryW
WIN_USER_API	Performs GUI Actions	USER32.DLL::CreateWindowExW

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