MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66b5c4c0d64ebf05681395520be35308c9f9a80e779baabd35b423eb32f62d4a. 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: 11


Intelligence 11 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 66b5c4c0d64ebf05681395520be35308c9f9a80e779baabd35b423eb32f62d4a
SHA3-384 hash: a28e29b4b40c34dd17738bbb7770bd6fbde02cadc5fe4a5caebdb1bcbd7b2ee688ffabcca38e9a8b33fe00b9e279ba1e
SHA1 hash: ee661b8535aa215692328f7e29acf851dd280aa3
MD5 hash: fcc0d7e8ac1440ecc8e1653788aff665
humanhash: william-avocado-july-vegan
File name:fcc0d7e8ac1440ecc8e1653788aff665.exe
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:221'184 bytes
First seen:2021-12-11 06:49:36 UTC
Last seen:2021-12-11 08:31:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 62fa879dc695167d2fe24cb4ca037281 (1 x Smoke Loader)
ssdeep 3072:NjDm5LcqLlkIhzj31R5jayX9G5+WLKzgJp52hsZVggjcGkNIVqI/sxkgaBChCy2:NjDILZkIP31zlzWLKMBJb7ITsqXigad
TLSH T15C249DC1B6E2D572C1A22D3854619BE10E3BB821DB70583BF378A7AF5F723D04666316
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 :
161
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
fcc0d7e8ac1440ecc8e1653788aff665.exe
Verdict:
No threats detected
Analysis date:
2021-12-11 06:51:54 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/51aa0998-b255-4176-8e66-3a1a02e3050f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/213279/
Detection(s):
SecuriteInfo.com.Variant.Mikey.132788.14397.25564.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Searching for synchronization primitives
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
Link:
https://dragonfly.certego.net/analysis/1610/overview
Behaviour
MeasuringTime
SystemUptime
EvasionGetTickCount
EvasionQueryPerformanceCounter
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/61b44a20fa72c81b5b17e536/reports/b0d6b94d-260c-464f-b59d-655777ab1485/overview
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/547a9aef-8153-4789-93a6-aeafad31deac
Result
Threat name:
RedLine SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/905657
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
Found many strings related to Crypto-Wallets (likely being stolen)
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 538135 Sample: Vy8zkg8z8Z.exe Startdate: 11/12/2021 Architecture: WINDOWS Score: 100 36 rcacademy.at 2->36 54 Multi AV Scanner detection for domain / URL 2->54 56 Found malware configuration 2->56 58 Antivirus detection for URL or domain 2->58 60 9 other signatures 2->60 8 Vy8zkg8z8Z.exe 2->8         started        11 cwhwbgf 2->11         started        13 A47D.exe 2->13         started        signatures3 process4 signatures5 76 Detected unpacking (changes PE section rights) 8->76 78 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 8->78 80 Maps a DLL or memory area into another process 8->80 82 Creates a thread in another existing process (thread injection) 8->82 15 explorer.exe 8 8->15 injected 84 Multi AV Scanner detection for dropped file 11->84 86 Machine Learning detection for dropped file 11->86 88 Checks if the current machine is a virtual machine (disk enumeration) 11->88 process6 dnsIp7 40 unicupload.top 37.0.10.226, 49824, 80 WKD-ASIE Netherlands 15->40 42 cdn-147.anonfiles.com 195.96.151.41, 443, 49842 UTA-ASAT unknown 15->42 44 12 other IPs or domains 15->44 28 C:\Users\user\AppData\Roaming\cwhwbgf, PE32 15->28 dropped 30 C:\Users\user\AppData\Local\Temp0CC.exe, PE32 15->30 dropped 32 C:\Users\user\AppData\Local\Temp\CB8E.exe, PE32 15->32 dropped 34 2 other malicious files 15->34 dropped 46 System process connects to network (likely due to code injection or exploit) 15->46 48 Benign windows process drops PE files 15->48 50 Deletes itself after installation 15->50 52 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->52 20 E0CC.exe 2 15->20         started        23 A47D.exe 15->23         started        25 CB8E.exe 2 15->25         started        file8 signatures9 process10 dnsIp11 62 Multi AV Scanner detection for dropped file 20->62 64 Detected unpacking (changes PE section rights) 20->64 66 Query firmware table information (likely to detect VMs) 20->66 74 5 other signatures 20->74 68 Detected unpacking (overwrites its own PE header) 23->68 70 Machine Learning detection for dropped file 23->70 72 Contains functionality to infect the boot sector 23->72 38 195.133.47.114, 38627, 49845 SPD-NETTR Russian Federation 25->38 signatures12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/66b5c4c0d64ebf05681395520be35308c9f9a80e779baabd35b423eb32f62d4a/
Threat name:
Win32.Ransomware.StopCrypt
Create hunting rule
Status:
Malicious
First seen:
2021-12-10 20:58:20 UTC
File Type:
PE (Exe)
Extracted files:
55
AV detection:
36 of 45 (80.00%)
Threat level:
  5/5
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:redline family:smokeloader backdoor discovery infostealer spyware stealer trojan
Link:
https://tria.ge/reports/211211-hlznbaahb9/
Behaviour
Checks SCSI registry key(s)
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
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Deletes itself
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
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/
195.133.47.114:38627
Unpacked files
SH256 hash:
fff1b918442d22465bb7b3303f0e6570623711de250a2ceb164ece2d1656233b
MD5 hash:
c8a39349b64ff5753fc8f10de5d3f7a8
SHA1 hash:
42fc1a3a257903eed416ca4342c6df0c906a40a0
Link:
https://www.unpac.me/results/4e785ed2-0f21-4a68-bee3-1881b420958f/
SH256 hash:
66b5c4c0d64ebf05681395520be35308c9f9a80e779baabd35b423eb32f62d4a
MD5 hash:
fcc0d7e8ac1440ecc8e1653788aff665
SHA1 hash:
ee661b8535aa215692328f7e29acf851dd280aa3
Link:
https://www.unpac.me/results/4e785ed2-0f21-4a68-bee3-1881b420958f/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/66b5c4c0d64e/report/overview.html
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/66b5c4c0d64ebf05681395520be35308c9f9a80e779baabd35b423eb32f62d4a

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 66b5c4c0d64ebf05681395520be35308c9f9a80e779baabd35b423eb32f62d4a

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/213279/
  
URLhaus
https://urlhaus.abuse.ch/url/1868668/
  
Delivery method
Distributed via web download

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