MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7c74a8c41e24f69015185f78b8fbc177edcbe9d27099e904497b2310999f74cb. 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: 7c74a8c41e24f69015185f78b8fbc177edcbe9d27099e904497b2310999f74cb
SHA3-384 hash: febb8edcb799587bedfa928ef722ff0038b8a8efa5ca1da60d7c1df6786da43622a611d16284f5be601b939590331aab
SHA1 hash: 6ee7469ec907b4a8a7887f8f425263693d59b2db
MD5 hash: 5d7bf93da08731aaf8893746fb43b9a3
humanhash: east-three-bluebird-red
File name:674F2D1AFFFFC011E997D1BEC6A1B4A08AC66AB3A6159C084CF31A4F27151D9B.exe
Download: download sample
Signature Worm.Ramnit
Create hunting rule
File size:276'992 bytes
First seen:2024-07-24 15:16:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash e22fde80595c4bea0880fd6845018d6a (7 x RedLineStealer, 6 x Loki, 6 x Worm.Ramnit)
ssdeep 6144:O5I5UNTHGqnnm6qVLYKfKn2MjClPKZow:OUUNTHGqnj+LESl
TLSH T10244AE10BB90D035E0B712F4497A93ACB53E7AA19B3460CB22D92BEE56357E4EC31357
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 :
338
Origin country :
US US
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.Packed.Crypterx-9954995-0
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=66a11af1cb3d02fa0e493377
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
Connection attempt to an infection source
Sending an HTTP GET request to an infection source
Unauthorized injection to a recently created process
Restart of the analyzed sample
Modifying an executable file
Сreating synchronization primitives
Searching for 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/66a11b363ba51bb345a35dbb/reports/3c3ca149-c85f-4beb-b0ba-29bac7242f54/overview
Verdict:
Malicious
Labled as:
Wapomi.BA virus
Link:
https://www.hybrid-analysis.com/sample/7c74a8c41e24f69015185f78b8fbc177edcbe9d27099e904497b2310999f74cb
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/0ff84f9f-01e3-4b20-901b-46e2b63ad080
Result
Threat name:
Bdaejec, SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1480320
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)
Yara detected Bdaejec
Yara detected SmokeLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1480320 Sample: 674F2D1AFFFFC011E997D1BEC6A... Startdate: 24/07/2024 Architecture: WINDOWS Score: 100 37 host-data-coin-11.com 2->37 39 ddos.dnsnb8.net 2->39 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus detection for URL or domain 2->47 49 12 other signatures 2->49 8 674F2D1AFFFFC011E997D1BEC6A1B4A08AC66AB3A6159C084CF31A4F27151D9B.exe 1 2->8         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\Temp\klBTGc.exe, PE32 8->29 dropped 59 Detected unpacking (changes PE section rights) 8->59 61 Contains functionality to inject code into remote processes 8->61 63 Injects a PE file into a foreign processes 8->63 65 Switches to a custom stack to bypass stack traces 8->65 12 674F2D1AFFFFC011E997D1BEC6A1B4A08AC66AB3A6159C084CF31A4F27151D9B.exe 8->12         started        15 klBTGc.exe 12 8->15         started        signatures6 process7 file8 67 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 12->67 69 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 12->69 71 Maps a DLL or memory area into another process 12->71 79 2 other signatures 12->79 18 explorer.exe 30 3 12->18 injected 31 C:\Program Files\7-Zip\Uninstall.exe, PE32 15->31 dropped 33 C:\Program Files (x86)\AutoIt3\...\SciTE.exe, PE32 15->33 dropped 35 C:\Program Files (x86)\AutoIt3\...\MyProg.exe, MS-DOS 15->35 dropped 73 Antivirus detection for dropped file 15->73 75 Multi AV Scanner detection for dropped file 15->75 77 Detected unpacking (changes PE section rights) 15->77 81 2 other signatures 15->81 23 WerFault.exe 19 16 15->23         started        signatures9 process10 dnsIp11 41 host-data-coin-11.com 188.40.141.211, 49716, 80 HETZNER-ASDE Germany 18->41 25 C:\Users\user\AppData\Roaming\dswssvf, PE32 18->25 dropped 27 C:\Users\user\...\dswssvf:Zone.Identifier, ASCII 18->27 dropped 51 System process connects to network (likely due to code injection or exploit) 18->51 53 Benign windows process drops PE files 18->53 55 Deletes itself after installation 18->55 57 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->57 file12 signatures13
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/7c74a8c41e24f69015185f78b8fbc177edcbe9d27099e904497b2310999f74cb
Detection:
smokeloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/7c74a8c41e24f69015185f78b8fbc177edcbe9d27099e904497b2310999f74cb/
Threat name:
Win32.Virus.Jadtre
Create hunting rule
Status:
Malicious
First seen:
2024-07-24 15:17:06 UTC
File Type:
PE (Exe)
Extracted files:
20
AV detection:
24 of 24 (100.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pr2krra6et3jafiyl54lr66bo7w4x2osocm6sbcjpmrrbgm7otfq._file
Verdict:
malicious
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader botnet:pub2 aspackv2 backdoor discovery trojan
Link:
https://tria.ge/reports/240724-sn1y9sseqm/
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/a9b9d42b-7981-493b-b811-68807b3a10be
Unpacked files
SH256 hash:
196c516ea546fb935ac669681a74a4dc80da79d9088f464f6cc6f126ae934f4e
MD5 hash:
c36de8bc9668ec4eaafca4c349dca0d5
SHA1 hash:
ea2cadfada69b93ca3abeb8b2462c5c18891fabf
Detections:
SmokeLoaderStage2
Create hunting rule
win_smokeloader_a2
Create hunting rule
Link:
https://www.unpac.me/results/b130b617-72ef-4649-8e43-8c4f79f88f8c/
Parent samples :
6b2d7c8bdedb901d80c89717c9889abf169c9059d8bb545af6ca1960660324ad
8928eed86ea55a63e3646bf8ca403b4b1e57702f73c1ecc8fa403b5700a304ef
18ad362dcae8df5827846223c09ceba7766e09733b685d4067ee39037daec452
da39948d95cdbce6e1ca9e0fdbb77080164a379f593e530b5732d3fc38df7bf8
7c74a8c41e24f69015185f78b8fbc177edcbe9d27099e904497b2310999f74cb
92ebb6be19502fe2573a9eac183bcc657b88ac5b0344285d9db409b0a3d88dab
af6fa095b427a0e95dd826696c2b92b0123e688e3c95f6d27825cc2928085d1b
de8099732ee5b73f3fa6d032a74e8576d06663fc16b2c6da27a34444fdced1c8
SH256 hash:
23d0e7da91dbd36d357e96219d9f18e52c4ff796572010cdc166c21312584600
MD5 hash:
a923032e995d913da7b36456436de6ef
SHA1 hash:
0ce6e550b8ebbc0d2d05d9aa6dfa6111cb51a817
Detections:
win_unidentified_045_auto
Create hunting rule
win_unidentified_045_g0
Create hunting rule
Link:
https://www.unpac.me/results/b130b617-72ef-4649-8e43-8c4f79f88f8c/
SH256 hash:
7c74a8c41e24f69015185f78b8fbc177edcbe9d27099e904497b2310999f74cb
MD5 hash:
5d7bf93da08731aaf8893746fb43b9a3
SHA1 hash:
6ee7469ec907b4a8a7887f8f425263693d59b2db
Link:
https://www.unpac.me/results/b130b617-72ef-4649-8e43-8c4f79f88f8c/
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/7c74a8c41e24f69015185f78b8fbc177edcbe9d27099e904497b2310999f74cb

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 7c74a8c41e24f69015185f78b8fbc177edcbe9d27099e904497b2310999f74cb

(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

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