MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b12d171c3a13bd3e9ded2a8c6c6c3a9303610df03ba52fa274f7f75a04b66efa. 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


Smoke Loader


Vendor detections: 16


Intelligence 16 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b12d171c3a13bd3e9ded2a8c6c6c3a9303610df03ba52fa274f7f75a04b66efa
SHA3-384 hash: eab7bd91615d767615fed14be414ce58e02994295e63bb3826307365695b2f9d1298ee9cab1b7cd43e1302ff5e5c363c
SHA1 hash: 7aa1e1414a667ab89b2a794a98b7f1ca56910a4a
MD5 hash: 57e9f50e7e12afce1c61689d06af6abd
humanhash: eleven-magazine-mirror-arizona
File name:5AECB2A5BC5447DC736C29882193FEF4F2B007299A1817C664E1BA6A028363CF.exe
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:252'928 bytes
First seen:2024-07-24 14:46:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash a945bbba5e19a9f29aa1458bdc91ed8a (6 x Smoke Loader, 6 x SystemBC, 5 x Worm.Ramnit)
ssdeep 1536:87u923+DZhzztAwVwFAEjkVsCpRLmTIlJRv/jhDwirM65bRwkzFWDcGCq2iW7z:874G+DHRYir9NFDpz5b7MQGCH
TLSH T12434D12236C0D073C48B553674D5CBA15F6BA43283B558CB3BA91B7E6F303D24AB974A
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 5c599a3ce0c3c850 (43 x Stop, 37 x RedLineStealer, 36 x Smoke Loader)
Reporter Anonymous
Tags:exe Smoke Loader


Avatar
Anonymous
this malware sample is very nasty!

Intelligence

File Origin
# of uploads :
1
# of downloads :
360
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.Trojan.Generic-9942495-0
Create hunting rule

Win.Packer.pkr_ce1a-9980177-0
Create hunting rule

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

Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66a113eacb3d02fa0e49312d
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
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
DNS request
Connection attempt
Sending an HTTP POST request
Query of malicious DNS domain
Infecting executable files
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint lolbin microsoft_visual_cc shell32
Link:
https://www.filescan.io/uploads/66a114069149fd55f98feb2d/reports/35627c72-75d3-4f54-8363-c9645d093c69/overview
Verdict:
Malicious
Labled as:
Wapomi.BA virus
Link:
https://www.hybrid-analysis.com/sample/b12d171c3a13bd3e9ded2a8c6c6c3a9303610df03ba52fa274f7f75a04b66efa
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/3fd15160-bfb4-4466-ad28-54acf7e8132e
Result
Threat name:
Bdaejec, SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1480276
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)
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)
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: 1480276 Sample: 5AECB2A5BC5447DC736C2988219... Startdate: 24/07/2024 Architecture: WINDOWS Score: 100 33 coralee.at 2->33 35 ddos.dnsnb8.net 2->35 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for URL or domain 2->45 47 13 other signatures 2->47 8 5AECB2A5BC5447DC736C29882193FEF4F2B007299A1817C664E1BA6A028363CF.exe 1 2->8         started        signatures3 process4 file5 21 C:\Users\user\AppData\Local\Temp\pQuCqr.exe, PE32 8->21 dropped 49 Detected unpacking (changes PE section rights) 8->49 51 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->51 53 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 8->53 55 4 other signatures 8->55 12 pQuCqr.exe 14 8->12         started        17 explorer.exe 34 3 8->17 injected signatures6 process7 dnsIp8 37 ddos.dnsnb8.net 44.221.84.105, 49710, 49712, 799 AMAZON-AESUS United States 12->37 23 C:\Program Files\7-Zip\Uninstall.exe, PE32 12->23 dropped 25 C:\Program Files (x86)\AutoIt3\...\SciTE.exe, PE32 12->25 dropped 27 C:\Program Files (x86)\AutoIt3\...\MyProg.exe, MS-DOS 12->27 dropped 57 Antivirus detection for dropped file 12->57 59 Multi AV Scanner detection for dropped file 12->59 61 Detected unpacking (changes PE section rights) 12->61 71 2 other signatures 12->71 19 WerFault.exe 22 16 12->19         started        39 coralee.at 188.40.141.211, 49721, 80 HETZNER-ASDE Germany 17->39 29 C:\Users\user\AppData\Roaming\acdwhvr, PE32 17->29 dropped 31 C:\Users\user\...\acdwhvr:Zone.Identifier, ASCII 17->31 dropped 63 System process connects to network (likely due to code injection or exploit) 17->63 65 Benign windows process drops PE files 17->65 67 Deletes itself after installation 17->67 69 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->69 file9 signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b12d171c3a13bd3e9ded2a8c6c6c3a9303610df03ba52fa274f7f75a04b66efa
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b12d171c3a13bd3e9ded2a8c6c6c3a9303610df03ba52fa274f7f75a04b66efa/
Threat name:
Win32.Virus.Wapomi
Create hunting rule
Status:
Malicious
First seen:
2024-07-24 14:47:07 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wewrohb2co6t5hpnfkggy3b2smbwcdpqhoss7itu673vubfwn35a._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-r5v9nsvaqa/
Behaviour
Checks SCSI registry key(s)
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
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
SmokeLoader
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/0bc9f995-b3a2-4e8e-a1b2-a128c254ace0
Unpacked files
SH256 hash:
62ca52b62339a8f96855c150d8d9cb0aca0ba998200111e8a44aaf399c3fdcab
MD5 hash:
d51a93b9ad236dc9b151c9f02fdbb646
SHA1 hash:
8865942793663d04bc55246c158cc5d96e8efdb8
Detections:
SmokeLoaderStage2
Create hunting rule
win_smokeloader_a2
Create hunting rule
Link:
https://www.unpac.me/results/f3a9fadf-08f9-4434-9388-4e1f932856c1/
Parent samples :
d372df2f0b72e4bde91c57cb6c5cdd6f39486c68cb5cd26fa3aaf6a403bc0b66
b12d171c3a13bd3e9ded2a8c6c6c3a9303610df03ba52fa274f7f75a04b66efa
d3366535f78da4fa4b13d134260a27cad97a30c7b2de25387158077ba29b394f
35d7e3bb4439ad5252c87cbe81d7626aa72accd719ff4af346964b74ac34a689
16267071c251784aeebe5d562dfd58bfbc0a0767a85ebc5863025bc74a69d339
SH256 hash:
662b516f8aad3754ac2439719ecd1d1a4b896665465f8daf252be19657868117
MD5 hash:
41349df3b304527d9b896a46eb093773
SHA1 hash:
3c33edc92582ba5ed952db015d80f594b25f2ce8
Detections:
win_unidentified_045_auto
Create hunting rule
win_unidentified_045_g0
Create hunting rule
Link:
https://www.unpac.me/results/f3a9fadf-08f9-4434-9388-4e1f932856c1/
SH256 hash:
b12d171c3a13bd3e9ded2a8c6c6c3a9303610df03ba52fa274f7f75a04b66efa
MD5 hash:
57e9f50e7e12afce1c61689d06af6abd
SHA1 hash:
7aa1e1414a667ab89b2a794a98b7f1ca56910a4a
Link:
https://www.unpac.me/results/f3a9fadf-08f9-4434-9388-4e1f932856c1/
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/b12d171c3a13bd3e9ded2a8c6c6c3a9303610df03ba52fa274f7f75a04b66efa

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
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

Smoke Loader

Executable exe b12d171c3a13bd3e9ded2a8c6c6c3a9303610df03ba52fa274f7f75a04b66efa

(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_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::WriteConsoleA
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetConsoleWindowInfo
KERNEL32.dll::GetConsoleAliasesA
KERNEL32.dll::GetConsoleTitleA
KERNEL32.dll::GetConsoleAliasesLengthW
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateDirectoryA
KERNEL32.dll::MoveFileW
KERNEL32.dll::ReplaceFileA

Comments