MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b99300d00050e4a8b2b0873723a9783b172776ba8cb7500d65e6d93bc3d37147. 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 1 YARA 1 File information Comments

SHA256 hash: b99300d00050e4a8b2b0873723a9783b172776ba8cb7500d65e6d93bc3d37147
SHA3-384 hash: ad3eb7541bcafdcb0123f8aa9eb9336b61d08e31d26b68609d3b6587fc1ed491a9c7815b2b5216740fa256b61cc3ffa9
SHA1 hash: 0d6eb6aa7b3ab0594dbc3f2eaebc03f983f9ef0e
MD5 hash: 195f75348b40e7660961751ed01418bd
humanhash: undress-lithium-nevada-five
File name:195f75348b40e7660961751ed01418bd.exe
Download: download sample
Signature Smoke Loader
File size:212'312 bytes
First seen:2022-08-17 17:30:38 UTC
Last seen:2022-08-17 18:44:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 671aa2c2e04d2049d50437e73dc464f9 (54 x RecordBreaker, 25 x RedLineStealer, 5 x Smoke Loader)
ssdeep 3072:AooF09UytR6ccC4B82wZJcQlLXEnEv+QRgYzbHOAg0FujDLsEknWoSDGamv/CX:AooFqVRfcnB8xTLEQ+AOcnszm3CX
TLSH T14F249D51B4D2C072D473253209E8DAB5AA3DF9300BA289FF77950B7E4F242C1DA35A66
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter abuse_ch
Tags:exe Smoke Loader


Avatar
abuse_ch
Smoke Loader C2:
http://85.192.63.46/

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://85.192.63.46/ https://threatfox.abuse.ch/ioc/843816/

Intelligence


File Origin
# of uploads :
2
# of downloads :
309
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
195f75348b40e7660961751ed01418bd.exe
Verdict:
No threats detected
Analysis date:
2022-08-17 17:36:15 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
Launching a process
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Unauthorized injection to a system process
Enabling autorun by creating a file
Sending an HTTP POST request to an infection source
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
MalwareBazaar
MeasuringTime
CallSleep
CheckCmdLine
EvasionQueryPerformanceCounter
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware overlay packed
Result
Verdict:
SUSPICIOUS
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:
DCRat, Raccoon Stealer v2, RedLine, Smok
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
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 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)
Found many strings related to Crypto-Wallets (likely being stolen)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
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 submitted file
System process connects to network (likely due to code injection or exploit)
Writes to foreign memory regions
Yara detected DCRat
Yara detected Generic Downloader
Yara detected Raccoon Stealer v2
Yara detected RedLine Stealer
Yara detected SmokeLoader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 685753 Sample: cTl94OLYPR.exe Startdate: 17/08/2022 Architecture: WINDOWS Score: 100 67 in.appcenter.ms 2->67 69 coinsurf.com 2->69 79 Malicious sample detected (through community Yara rule) 2->79 81 Antivirus detection for URL or domain 2->81 83 Multi AV Scanner detection for submitted file 2->83 85 10 other signatures 2->85 10 cTl94OLYPR.exe 2->10         started        13 shjjabd 2 2->13         started        signatures3 process4 signatures5 95 Contains functionality to inject code into remote processes 10->95 97 Writes to foreign memory regions 10->97 99 Allocates memory in foreign processes 10->99 101 Injects a PE file into a foreign processes 10->101 15 RegSvcs.exe 10->15         started        18 WerFault.exe 20 9 10->18         started        21 conhost.exe 13->21         started        process6 file7 113 Maps a DLL or memory area into another process 15->113 115 Checks if the current machine is a virtual machine (disk enumeration) 15->115 117 Creates a thread in another existing process (thread injection) 15->117 23 explorer.exe 14 15->23 injected 55 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 18->55 dropped signatures8 process9 dnsIp10 73 185.215.113.58, 49696, 49698, 49705 WHOLESALECONNECTIONSNL Portugal 23->73 75 raw.githubusercontent.com 185.199.110.133, 443, 49700 FASTLYUS Netherlands 23->75 77 8 other IPs or domains 23->77 59 C:\Users\user\AppData\Roaming\shjjabd, PE32 23->59 dropped 61 C:\Users\user\AppData\Local\Temp\736E.exe, PE32 23->61 dropped 63 C:\Users\user\AppData\Local\Temp\5FB6.exe, PE32 23->63 dropped 65 4 other files (3 malicious) 23->65 dropped 87 System process connects to network (likely due to code injection or exploit) 23->87 89 Benign windows process drops PE files 23->89 91 Injects code into the Windows Explorer (explorer.exe) 23->91 93 2 other signatures 23->93 28 4AA6.exe 23->28         started        31 56BC.exe 23->31         started        33 5FB6.exe 23->33         started        35 7 other processes 23->35 file11 signatures12 process13 file14 103 Antivirus detection for dropped file 28->103 105 Machine Learning detection for dropped file 28->105 107 Writes to foreign memory regions 28->107 38 RegSvcs.exe 12 28->38         started        41 WerFault.exe 28->41         started        109 Allocates memory in foreign processes 31->109 111 Injects a PE file into a foreign processes 31->111 43 RegSvcs.exe 2 31->43         started        45 WerFault.exe 31->45         started        47 RegSvcs.exe 33->47         started        57 C:\Users\user\AppData\Local\...\Update.exe, PE32 35->57 dropped 49 RegSvcs.exe 2 35->49         started        51 Update.exe 1 35->51         started        53 WerFault.exe 35->53         started        signatures15 process16 dnsIp17 71 88.119.170.241, 80 IST-ASLT Lithuania 38->71
Threat name:
Win32.Spyware.RedLine
Status:
Malicious
First seen:
2022-08-17 17:31:10 UTC
File Type:
PE (Exe)
AV detection:
21 of 26 (80.77%)
Threat level:
  2/5
Verdict:
malicious
Result
Malware family:
redline
Score:
  10/10
Tags:
family:dcrat family:redline botnet:nam5 botnet:redlinevip (tg: @fatherofcarders) 150k discovery infostealer persistence rat spyware stealer
Behaviour
Checks SCSI registry key(s)
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
DCRat payload
DcRat
RedLine
RedLine payload
Malware Config
C2 Extraction:
103.89.90.61:34589
178.32.215.163:17189
Unpacked files
SH256 hash:
b99300d00050e4a8b2b0873723a9783b172776ba8cb7500d65e6d93bc3d37147
MD5 hash:
195f75348b40e7660961751ed01418bd
SHA1 hash:
0d6eb6aa7b3ab0594dbc3f2eaebc03f983f9ef0e
Malware family:
SmokeLoader
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com

File information


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

Web download

Smoke Loader

Executable exe b99300d00050e4a8b2b0873723a9783b172776ba8cb7500d65e6d93bc3d37147

(this sample)

  
Delivery method
Distributed via web download

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