MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a2f28321fe155d154fee2fa53c6116b193e1c908ea0ae3aa7157ea739f38861d. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments

SHA256 hash: a2f28321fe155d154fee2fa53c6116b193e1c908ea0ae3aa7157ea739f38861d
SHA3-384 hash: 8c01e9b5407f9a5676ccfb53dc8e55eff6cb0f5496305083d3bdf38c2a08d89546d200dfca948f6f1b0acf0edd8fccee
SHA1 hash: 7fde2eb10af2a853f5b010af08e274cdf7db272f
MD5 hash: 417a8fe949369083cdedef1b45efd596
humanhash: fruit-speaker-bravo-march
File name:file
Download: download sample
Signature Smoke Loader
File size:1'391'104 bytes
First seen:2023-09-10 09:05:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2627254264278e0e80567712e48122f4 (5 x RedLineStealer, 1 x Smoke Loader)
ssdeep 24576:trhavbW+Kmo/81PshfTPmPZzgh70t9MwYFL0NRa+/kM+kXWdcZVZqzTJ:ravy+Fd1Cfa+h70t9ThNSM+EWSZATJ
Threatray 2'592 similar samples on MalwareBazaar
TLSH T1945512207A9EC432E97181321DB49BB78E6EE4E31E92859F53D41B7D1F342C0D638A97
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter andretavare5
Tags:exe Smoke Loader


Avatar
andretavare5
Sample downloaded from http://77.91.68.238/love/no230.exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
301
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
No threats detected
Analysis date:
2023-09-10 09:06:54 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Creating a process with a hidden window
Launching the default Windows debugger (dwwin.exe)
Launching a service
Creating a file
Forced shutdown of a system process
Blocking the Windows Defender launch
Disabling the operating system update service
Unauthorized injection to a system process
Gathering data
Gathering data
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.
Result
Threat name:
Mystic Stealer, RedLine, SmokeLoader
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
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)
Disable Windows Defender notifications (registry)
Disable Windows Defender real time protection (registry)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
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)
Writes to foreign memory regions
Yara detected Mystic Stealer
Yara detected RedLine Stealer
Yara detected SmokeLoader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1306810 Sample: file.exe Startdate: 10/09/2023 Architecture: WINDOWS Score: 100 157 Found malware configuration 2->157 159 Malicious sample detected (through community Yara rule) 2->159 161 Antivirus detection for URL or domain 2->161 163 10 other signatures 2->163 14 file.exe 2->14         started        17 rundll32.exe 2->17         started        19 fihvjjf 2->19         started        process3 signatures4 191 Contains functionality to inject code into remote processes 14->191 193 Writes to foreign memory regions 14->193 195 Allocates memory in foreign processes 14->195 197 Injects a PE file into a foreign processes 14->197 21 AppLaunch.exe 1 4 14->21         started        24 WerFault.exe 21 9 14->24         started        process5 dnsIp6 95 C:\Users\user\AppData\Local\...\v3557447.exe, PE32 21->95 dropped 97 C:\Users\user\AppData\Local\...\f2151197.exe, PE32 21->97 dropped 27 v3557447.exe 1 4 21->27         started        127 192.168.2.1 unknown unknown 24->127 file7 process8 file9 99 C:\Users\user\AppData\Local\...\v1585555.exe, PE32 27->99 dropped 101 C:\Users\user\AppData\Local\...\e9141328.exe, PE32 27->101 dropped 177 Antivirus detection for dropped file 27->177 179 Machine Learning detection for dropped file 27->179 31 v1585555.exe 1 4 27->31         started        signatures10 process11 file12 121 C:\Users\user\AppData\Local\...\v0139340.exe, PE32 31->121 dropped 123 C:\Users\user\AppData\Local\...\d7015979.exe, PE32 31->123 dropped 135 Antivirus detection for dropped file 31->135 137 Machine Learning detection for dropped file 31->137 35 v0139340.exe 1 4 31->35         started        39 d7015979.exe 31->39         started        signatures13 process14 dnsIp15 87 C:\Users\user\AppData\Local\...\v2419279.exe, PE32 35->87 dropped 89 C:\Users\user\AppData\Local\...\c0683978.exe, PE32 35->89 dropped 165 Machine Learning detection for dropped file 35->165 42 c0683978.exe 35->42         started        45 v2419279.exe 1 4 35->45         started        125 77.91.124.82, 19071 ECOTEL-ASRU Russian Federation 39->125 167 Antivirus detection for dropped file 39->167 file16 signatures17 process18 file19 169 Machine Learning detection for dropped file 42->169 171 Writes to foreign memory regions 42->171 173 Allocates memory in foreign processes 42->173 175 Injects a PE file into a foreign processes 42->175 48 AppLaunch.exe 42->48         started        51 x1050249.exe 42->51         started        54 WerFault.exe 42->54         started        107 C:\Users\user\AppData\Local\...\b5407173.exe, PE32 45->107 dropped 109 C:\Users\user\AppData\Local\...\a8274425.exe, PE32 45->109 dropped 56 a8274425.exe 45->56         started        58 b5407173.exe 45->58         started        signatures20 process21 file22 139 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 48->139 141 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 48->141 143 Maps a DLL or memory area into another process 48->143 155 2 other signatures 48->155 60 explorer.exe 48->60 injected 91 C:\Users\user\AppData\Local\...\x6097712.exe, Unknown 51->91 dropped 93 C:\Users\user\AppData\Local\...\j0525381.exe, Unknown 51->93 dropped 145 Antivirus detection for dropped file 51->145 147 Machine Learning detection for dropped file 51->147 65 x6097712.exe 51->65         started        149 Writes to foreign memory regions 56->149 151 Allocates memory in foreign processes 56->151 153 Injects a PE file into a foreign processes 56->153 67 AppLaunch.exe 9 1 56->67         started        69 WerFault.exe 19 9 56->69         started        71 AppLaunch.exe 13 58->71         started        73 WerFault.exe 17 9 58->73         started        signatures23 process24 dnsIp25 129 77.91.68.29, 49723, 49740, 80 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 60->129 131 77.91.124.231, 49724, 49741, 80 ECOTEL-ASRU Russian Federation 60->131 111 C:\Users\user\AppData\Roaming\fihvjjf, PE32 60->111 dropped 113 C:\Users\user\AppData\Local\Temp\C32B.exe, PE32 60->113 dropped 115 C:\Users\user\AppData\Local\Temp\35E7.exe, PE32 60->115 dropped 199 System process connects to network (likely due to code injection or exploit) 60->199 201 Benign windows process drops PE files 60->201 203 Hides that the sample has been downloaded from the Internet (zone.identifier) 60->203 75 C32B.exe 60->75         started        79 rundll32.exe 60->79         started        81 rundll32.exe 60->81         started        117 C:\Users\user\AppData\Local\...\i1856064.exe, PE32 65->117 dropped 119 C:\Users\user\AppData\Local\...\g1528250.exe, PE32 65->119 dropped 205 Antivirus detection for dropped file 65->205 207 Machine Learning detection for dropped file 65->207 83 g1528250.exe 65->83         started        209 Disable Windows Defender notifications (registry) 67->209 211 Disable Windows Defender real time protection (registry) 67->211 133 5.42.92.211, 80 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 71->133 file26 signatures27 process28 file29 103 C:\Users\user\AppData\Local\...\x1050249.exe, PE32 75->103 dropped 105 C:\Users\user\AppData\Local\...\k5695757.exe, PE32 75->105 dropped 181 Antivirus detection for dropped file 75->181 183 Machine Learning detection for dropped file 75->183 185 Writes to foreign memory regions 83->185 187 Allocates memory in foreign processes 83->187 189 Injects a PE file into a foreign processes 83->189 85 AppLaunch.exe 83->85         started        signatures30 process31
Threat name:
Win32.Trojan.CrypterX
Status:
Malicious
First seen:
2023-09-10 09:07:05 UTC
File Type:
PE (Exe)
AV detection:
17 of 23 (73.91%)
Threat level:
  5/5
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:healer family:redline family:smokeloader botnet:virad backdoor dropper evasion infostealer persistence trojan
Behaviour
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Executes dropped EXE
Detects Healer an antivirus disabler dropper
Healer
Modifies Windows Defender Real-time Protection settings
RedLine
SmokeLoader
Malware Config
C2 Extraction:
77.91.124.82:19071
http://77.91.68.29/fks/
Unpacked files
SH256 hash:
79e1581310dbe47bac0e06b67565cf7c0223f0f81c52161989ddc14b454df7e2
MD5 hash:
7d00c88a894bcecafb90e98b09f21326
SHA1 hash:
c436bfef653a4a2483ae2148ce1b1e0f58d04a80
SH256 hash:
a2f28321fe155d154fee2fa53c6116b193e1c908ea0ae3aa7157ea739f38861d
MD5 hash:
417a8fe949369083cdedef1b45efd596
SHA1 hash:
7fde2eb10af2a853f5b010af08e274cdf7db272f
Malware family:
RedLine.E
Verdict:
Malicious
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:AppLaunch
Author:iam-py-test
Description:Detect files referencing .Net AppLaunch.exe
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:NET
Author:malware-lu

File information


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

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by

Comments