MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ecb96fec4db4a1eecef04c8ef12b260bb419407111c1263664749481b7fa5387. 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: 17


Intelligence 17 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ecb96fec4db4a1eecef04c8ef12b260bb419407111c1263664749481b7fa5387
SHA3-384 hash: 219c56732831511f25767c823ff457b85cfaaa561bc647430334ed88e30824cb521714423932683b9e4c035cc6b95419
SHA1 hash: b0fa2b32c84e3ee8c5caad4f9987077ae4ba2bb4
MD5 hash: 1493d9899b01e2d42b0878d955fe6746
humanhash: hydrogen-asparagus-helium-nineteen
File name:3B830041B11819A0FDF72F85D27C1C9D7327ED8264D414E1F996D774FD843BBF.exe
Download: download sample
Signature Worm.Ramnit
Create hunting rule
File size:278'528 bytes
First seen:2024-07-24 13:15:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 27d8a7471ee53dd07acef039b03728e9 (16 x RedLineStealer, 8 x Stop, 5 x Worm.Ramnit)
ssdeep 3072:uB77ISHONEtK0CNh0P3DFvFAp4EqvqgjAzqPyK8a5qx7NnZgwte03hoDV5o/tLvz:lEtKb8vDFFZEmqgUzqDqx/gcxhGvo/M
TLSH T13F44AE00BB90D035E5B712F4497AC3A9B53E7AB09B25A0CF62D55AEE56347E0EC3131B
TrID 29.5% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
21.3% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9)
16.0% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
8.4% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
6.7% (.SCR) Windows screen saver (13097/50/3)
File icon (PE):PE icon
dhash icon b6dacabecee6baa6 (72 x Stop, 68 x RedLineStealer, 55 x Smoke Loader)
Reporter Anonymous
Tags:exe Worm.Ramnit


Avatar
Anonymous
this malware sample is very nasty!

Intelligence

File Origin
# of uploads :
1
# of downloads :
331
Origin country :
FR FR
Vendor Threat Intelligence
Detection(s):
PUA.Win.Packer.Asprotect-3
Create hunting rule

Win.Virus.Wapomi-9802127-0
Create hunting rule

Win.Dropper.Generickdz-9939781-0
Create hunting rule

Win.Trojan.Generickdz-9950759-0
Create hunting rule

Win.Trojan.Generickdz-9951389-0
Create hunting rule

Win.Malware.Wapomi-10020301-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66a0fe95a97e13ad9de7b737
Tags:
Execution Generic Network Static Stealth
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
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
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
fingerprint lolbin microsoft_visual_cc packed shell32
Link:
https://www.filescan.io/uploads/66a0fe989149fd55f98fe0c1/reports/19f906a3-20f1-4151-8baf-14842c71ec9c/overview
Verdict:
Malicious
Labled as:
Wapomi.BA virus
Link:
https://www.hybrid-analysis.com/sample/ecb96fec4db4a1eecef04c8ef12b260bb419407111c1263664749481b7fa5387
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1d3b175d-4ff6-4b94-969a-b5c6103e35ce
Result
Threat name:
Bdaejec, SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1480148
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1480148 Sample: 3B830041B11819A0FDF72F85D27... 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 3B830041B11819A0FDF72F85D27C1C9D7327ED8264D414E1F996D774FD843BBF.exe 1 2->9         started        13 juitgeb 2->13         started        signatures3 process4 file5 43 C:\Users\user\AppData\Local\Temp43oWOU.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 3B830041B11819A0FDF72F85D27C1C9D7327ED8264D414E1F996D774FD843BBF.exe 9->15         started        18 NoWOU.exe 12 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 21 juitgeb 13->21         started        23 NoWOU.exe 1 24 13->23         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 34 3 15->26 injected 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) 21->99 101 Creates a thread in another existing process (thread injection) 21->101 53 ddos.dnsnb8.net 44.221.84.105, 49743, 49744, 49745 AMAZON-AESUS United States 23->53 33 cmd.exe 1 23->33         started        file9 signatures10 process11 dnsIp12 55 host-data-coin-11.com 188.40.141.211, 49742, 80 HETZNER-ASDE Germany 26->55 45 C:\Users\user\AppData\Roaming\juitgeb, PE32 26->45 dropped 47 C:\Users\user\...\juitgeb: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
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ecb96fec4db4a1eecef04c8ef12b260bb419407111c1263664749481b7fa5387
Detection:
smokeloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ecb96fec4db4a1eecef04c8ef12b260bb419407111c1263664749481b7fa5387/
Threat name:
Win32.Virus.Jadtre
Create hunting rule
Status:
Malicious
First seen:
2024-07-24 13:16:06 UTC
File Type:
PE (Exe)
Extracted files:
20
AV detection:
36 of 38 (94.74%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5s4w73cnwsq65txqjshpckzgbo2bsqdrchasmnteoskidn72kodq._file
Verdict:
malicious
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader botnet:pub3 aspackv2 backdoor discovery trojan
Link:
https://tria.ge/reports/240724-qhsplaxdjk/
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
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/4eed0520-4126-4783-8fc2-28d21155491a
Unpacked files
SH256 hash:
721d393191597d49d856baef2fbde75e48f52d0465e2cfabf1a41848b0e05589
MD5 hash:
b984a027c8a2abf874f3eb306a831613
SHA1 hash:
d3b3f8890adc840b0bd411cf304eef15d415ed48
Detections:
SmokeLoaderStage2
Create hunting rule
win_smokeloader_a2
Create hunting rule
Link:
https://www.unpac.me/results/983e32a7-6591-4eac-80ed-e6a7be60c1ab/
Parent samples :
fb9b41efdc7c2d9e8cfda4be223831a9d2f4d21366759da64e04bbbb9e662766
bc9d49f4f0d51c57b34515616d5e6a23a37fec03f8884d8305db0806bd6138fc
ecb96fec4db4a1eecef04c8ef12b260bb419407111c1263664749481b7fa5387
98c920233869ce802fb4722f982fc1a8c2461e2a01ea4a619a9532a660acf285
2fde1682e006e27b2deb49595ab3baf37a836577fbe9efdfae59d4b6b682d8b7
2374069183727dd5904a26027c80032f30dcff60d25019578876c0b37fa9c224
bd3030832602591f05fe01ef11feaa3b9fe776b2a184eb454f02cae3ab73340b
a0f15f4665835bb7f3b07d5e96d2b08af8e88614c9b22fc9fff86f4f60ee1a8e
c91dec1cd5b97079481c76d5d597dde67b60c301ea900eab7db99776d52b465a
SH256 hash:
798edd45790072e29a31ac381368aa1c2210296495f65702c35d2ade57e29609
MD5 hash:
3490d93c3748db08a043be462fdebffe
SHA1 hash:
9823342bc90ab2247f7fb54ba05c01282a156d24
Detections:
win_unidentified_045_auto
Create hunting rule
win_unidentified_045_g0
Create hunting rule
Link:
https://www.unpac.me/results/983e32a7-6591-4eac-80ed-e6a7be60c1ab/
SH256 hash:
ecb96fec4db4a1eecef04c8ef12b260bb419407111c1263664749481b7fa5387
MD5 hash:
1493d9899b01e2d42b0878d955fe6746
SHA1 hash:
b0fa2b32c84e3ee8c5caad4f9987077ae4ba2bb4
Link:
https://www.unpac.me/results/983e32a7-6591-4eac-80ed-e6a7be60c1ab/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ecb96fec4db4a1eecef04c8ef12b260bb419407111c1263664749481b7fa5387

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:Check_OutputDebugStringA_iat
Create hunting rule
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
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

Executable exe ecb96fec4db4a1eecef04c8ef12b260bb419407111c1263664749481b7fa5387

(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
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
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
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::SetProcessShutdownParameters
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::FindNextVolumeW
KERNEL32.dll::FindNextVolumeMountPointA
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetDriveTypeW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AllocConsole
KERNEL32.dll::FillConsoleOutputCharacterA
KERNEL32.dll::FillConsoleOutputCharacterW
KERNEL32.dll::FlushConsoleInputBuffer
KERNEL32.dll::WriteConsoleInputA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::WriteConsoleOutputCharacterA
KERNEL32.dll::WriteConsoleA
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileExW
KERNEL32.dll::CopyFileA
KERNEL32.dll::CreateFileA
KERNEL32.dll::DeleteFileA
KERNEL32.dll::MoveFileWithProgressW
KERNEL32.dll::MoveFileA

Comments