MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bfb63daf8e5d09c7a464bfec38d2d5e4737bd3d2c04974616ef46b5ffddcc8f1. 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: 10


Intelligence 10 IOCs YARA File information Comments

SHA256 hash: bfb63daf8e5d09c7a464bfec38d2d5e4737bd3d2c04974616ef46b5ffddcc8f1
SHA3-384 hash: 009a44e28cef57e6d9656084e985c4be68a883fe2b53714234476d0c0aaa79974c8b05d28b3295188df049b0999d23c8
SHA1 hash: 2813830526d47eda025534dcf6956b468b340dcd
MD5 hash: b03090cd1bd177ae33407bf0660045ed
humanhash: massachusetts-fix-muppet-queen
File name:b03090cd1bd177ae33407bf0660045ed.exe
Download: download sample
Signature Smoke Loader
File size:224'256 bytes
First seen:2021-12-10 08:58:36 UTC
Last seen:2021-12-10 11:20:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 784912eb6940550282ff4b089d7e66e0 (3 x RedLineStealer, 2 x Smoke Loader, 1 x ArkeiStealer)
ssdeep 6144:DpDHLUkFCWHFY0tf8zPEcHkTuzbgwu6Qiga6:DRHokFCWH2qfmHkTunn5
TLSH T1BB249C3176E9E971C0A34D3048238BE94D3BB8615920547BEB946B9E2F72FCC55E132E
File icon (PE):PE icon
dhash icon fcfcb4f4d4d4d8c0 (19 x RedLineStealer, 16 x RaccoonStealer, 14 x Smoke Loader)
Reporter abuse_ch
Tags:exe Smoke Loader

Intelligence


File Origin
# of uploads :
2
# of downloads :
147
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b03090cd1bd177ae33407bf0660045ed.exe
Verdict:
No threats detected
Analysis date:
2021-12-10 09:05:36 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
Searching for synchronization primitives
DNS request
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Sending an HTTP POST request
Unauthorized injection to a system process
Enabling autorun by creating a file
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Behaviour
SystemUptime
MeasuringTime
CheckCmdLine
EvasionGetTickCount
EvasionQueryPerformanceCounter
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
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
Verdict:
Malicious
Result
Threat name:
RedLine SmokeLoader
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
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)
Connects to many ports of the same IP (likely port scanning)
Contain functionality to detect virtual machines
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to infect the boot sector
Creates a thread in another existing process (thread injection)
Deletes itself after installation
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hides threads from debuggers
Machine Learning detection for dropped file
Machine Learning detection for sample
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file has nameless sections
Query firmware table information (likely to detect VMs)
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to evade analysis by execution special instruction which cause usermode exception
Yara detected RedLine Stealer
Yara detected SmokeLoader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 537665 Sample: dw4mEbzJS1.exe Startdate: 10/12/2021 Architecture: WINDOWS Score: 100 55 Multi AV Scanner detection for domain / URL 2->55 57 Found malware configuration 2->57 59 Antivirus detection for URL or domain 2->59 61 8 other signatures 2->61 7 dw4mEbzJS1.exe 2->7         started        10 fbcaiag 2->10         started        process3 signatures4 63 Detected unpacking (changes PE section rights) 7->63 65 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 7->65 67 Maps a DLL or memory area into another process 7->67 69 Creates a thread in another existing process (thread injection) 7->69 12 explorer.exe 8 7->12 injected 71 Multi AV Scanner detection for dropped file 10->71 73 Machine Learning detection for dropped file 10->73 75 Checks if the current machine is a virtual machine (disk enumeration) 10->75 process5 dnsIp6 35 unicupload.top 37.0.10.226, 49793, 80 WKD-ASIE Netherlands 12->35 37 cdn-149.anonfiles.com 195.96.151.43, 443, 49834 UTA-ASAT unknown 12->37 39 10 other IPs or domains 12->39 25 C:\Users\user\AppData\Roaming\fbcaiag, PE32 12->25 dropped 27 C:\Users\user\AppData\Local\Temp\D328.exe, PE32 12->27 dropped 29 C:\Users\user\AppData\Local\Temp\AE68.exe, PE32 12->29 dropped 31 2 other malicious files 12->31 dropped 77 System process connects to network (likely due to code injection or exploit) 12->77 79 Benign windows process drops PE files 12->79 81 Deletes itself after installation 12->81 83 Hides that the sample has been downloaded from the Internet (zone.identifier) 12->83 17 D328.exe 2 12->17         started        20 8312.exe 12->20         started        22 AE68.exe 2 12->22         started        file7 signatures8 process9 dnsIp10 41 Multi AV Scanner detection for dropped file 17->41 43 Detected unpacking (changes PE section rights) 17->43 45 Query firmware table information (likely to detect VMs) 17->45 53 5 other signatures 17->53 47 Detected unpacking (overwrites its own PE header) 20->47 49 Machine Learning detection for dropped file 20->49 51 Contains functionality to infect the boot sector 20->51 33 195.133.47.114, 38627, 49846 SPD-NETTR Russian Federation 22->33 signatures11
Threat name:
Win32.Trojan.Smokeloader
Status:
Malicious
First seen:
2021-12-10 04:58:16 UTC
File Type:
PE (Exe)
Extracted files:
54
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:redline family:smokeloader backdoor infostealer persistence trojan upx
Behaviour
Checks SCSI registry key(s)
Modifies data under HKEY_USERS
Modifies registry key
Runs net.exe
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: LoadsDriver
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Deletes itself
Loads dropped DLL
Blocklisted process makes network request
Downloads MZ/PE file
Executes dropped EXE
Modifies RDP port number used by Windows
Sets DLL path for service in the registry
UPX packed file
Grants admin privileges
RedLine
RedLine Payload
SmokeLoader
Malware Config
C2 Extraction:
http://rcacademy.at/upload/
http://e-lanpengeonline.com/upload/
http://vjcmvz.cn/upload/
http://galala.ru/upload/
http://witra.ru/upload/
Dropper Extraction:
https://raw.githubusercontent.com/sqlitey/sqlite/master/speed.ps1
Unpacked files
SH256 hash:
fff1b918442d22465bb7b3303f0e6570623711de250a2ceb164ece2d1656233b
MD5 hash:
c8a39349b64ff5753fc8f10de5d3f7a8
SHA1 hash:
42fc1a3a257903eed416ca4342c6df0c906a40a0
SH256 hash:
bfb63daf8e5d09c7a464bfec38d2d5e4737bd3d2c04974616ef46b5ffddcc8f1
MD5 hash:
b03090cd1bd177ae33407bf0660045ed
SHA1 hash:
2813830526d47eda025534dcf6956b468b340dcd
Please note that we are no longer able to provide a coverage score for Virus Total.

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 bfb63daf8e5d09c7a464bfec38d2d5e4737bd3d2c04974616ef46b5ffddcc8f1

(this sample)

  
Delivery method
Distributed via web download

Comments