MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b83c32a316c8e5b1055cee72c6696a5935a7ce8fb909c1cbadd6ed289eb7222e. 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: b83c32a316c8e5b1055cee72c6696a5935a7ce8fb909c1cbadd6ed289eb7222e
SHA3-384 hash: 865e26876a711a561d82485cbc626743b8fbe239cff711bd6ca5302d853951917fcd959c4e49c1bffd42d0cc77088b92
SHA1 hash: 4bf8ff5b26ec25972562d5737c4d2c85eb95224e
MD5 hash: 49f4a3267df3fb8ddf39e413ac14f085
humanhash: november-happy-jersey-nine
File name:49f4a3267df3fb8ddf39e413ac14f085.exe
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:297'472 bytes
First seen:2021-10-06 09:27:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash af44dcafed165daab29f132f710193c2 (6 x RaccoonStealer, 2 x RedLineStealer, 1 x Tofsee)
ssdeep 6144:xrJhQBQtrigUAxjFWglu3lxxMLe6KjDYfOXAtop:xrJhQBQtrigUQFWMueLe6KBAa
Threatray 4'838 similar samples on MalwareBazaar
TLSH T105549D30A290C035F1F716F885BA9378A5293EA1A77450CF53D52BEA46387E4EC3179B
File icon (PE):PE icon
dhash icon e8e8e8e8aa66a489 (12 x RaccoonStealer, 5 x ArkeiStealer, 3 x Stop)
Reporter abuse_ch
Tags:Dofoil exe Smoke Loader

Intelligence

File Origin
# of uploads :
1
# of downloads :
287
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
49f4a3267df3fb8ddf39e413ac14f085.exe
Verdict:
Suspicious activity
Analysis date:
2021-10-06 09:30:45 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/2d3dd72f-471f-4923-bd43-a58c7ae76e26

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/195418/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/615d6c27b95458900cdd0a34/reports/b737135c-05a4-47b8-bdab-6ad4c114268e/overview
Malware family:
Malicious Packer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/72decbf5-f159-4fb5-b007-4eb3e33fd3b0
Result
Threat name:
Raccoon RedLine SmokeLoader Tofsee
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/865430
Signature
.NET source code contains very large array initializations
Antivirus detection for URL or domain
Benign windows process drops PE files
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)
Deletes itself after installation
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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
Injects a PE file into a foreign processes
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 submitted file
Query firmware table information (likely to detect VMs)
Sigma detected: Copying Sensitive Files with Credential Data
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses known network protocols on non-standard ports
Yara detected Raccoon Stealer
Yara detected RedLine Stealer
Yara detected SmokeLoader
Yara detected Tofsee
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 497855 Sample: q049WfgYtf.exe Startdate: 06/10/2021 Architecture: WINDOWS Score: 100 66 vwe.ckauni.ru 2->66 68 defeatwax.ru 2->68 70 1fv1.ckauni.ru 2->70 94 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->94 96 Multi AV Scanner detection for domain / URL 2->96 98 Antivirus detection for URL or domain 2->98 100 10 other signatures 2->100 10 q049WfgYtf.exe 2->10         started        13 wbusguh 2->13         started        15 svchost.exe 1 2->15         started        signatures3 process4 signatures5 118 Detected unpacking (changes PE section rights) 10->118 120 Contains functionality to inject code into remote processes 10->120 122 Injects a PE file into a foreign processes 10->122 17 q049WfgYtf.exe 10->17         started        20 wbusguh 13->20         started        process6 signatures7 86 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 17->86 88 Maps a DLL or memory area into another process 17->88 90 Checks if the current machine is a virtual machine (disk enumeration) 17->90 92 Creates a thread in another existing process (thread injection) 17->92 22 explorer.exe 21 17->22 injected process8 dnsIp9 72 193.56.146.41, 49768, 9080 LVLT-10753US unknown 22->72 74 privacy-toolz-for-you-3000.top 185.87.51.55, 49752, 49753, 49754 IHOR-ASRU Russian Federation 22->74 76 3 other IPs or domains 22->76 48 C:\Users\user\AppData\Roaming\wbusguh, PE32 22->48 dropped 50 C:\Users\user\AppData\Local\Temp\F8D5.exe, PE32 22->50 dropped 52 C:\Users\user\AppData\Local\Temp\F1FE.exe, PE32 22->52 dropped 54 4 other malicious files 22->54 dropped 110 System process connects to network (likely due to code injection or exploit) 22->110 112 Benign windows process drops PE files 22->112 114 Deletes itself after installation 22->114 116 Hides that the sample has been downloaded from the Internet (zone.identifier) 22->116 27 4FAA.exe 80 22->27         started        32 F1FE.exe 22->32         started        34 1EED.exe 3 22->34         started        36 2 other processes 22->36 file10 signatures11 process12 dnsIp13 78 91.219.236.103, 49790, 80 SERVERASTRA-ASHU Hungary 27->78 80 teletop.top 104.21.17.146, 49789, 80 CLOUDFLARENETUS United States 27->80 56 C:\Users\user\AppData\LocalLow\sqlite3.dll, PE32 27->56 dropped 58 C:\Users\user\AppData\...\vcruntime140.dll, PE32 27->58 dropped 60 C:\Users\user\AppData\...\ucrtbase.dll, PE32 27->60 dropped 64 56 other files (none is malicious) 27->64 dropped 124 Detected unpacking (changes PE section rights) 27->124 126 Detected unpacking (overwrites its own PE header) 27->126 128 Tries to steal Mail credentials (via file access) 27->128 130 Tries to harvest and steal browser information (history, passwords, etc) 27->130 132 Injects a PE file into a foreign processes 32->132 38 F1FE.exe 32->38         started        82 193.56.146.60, 36906, 49827 LVLT-10753US unknown 34->82 134 Query firmware table information (likely to detect VMs) 34->134 136 Tries to detect sandboxes and other dynamic analysis tools (window names) 34->136 138 Hides threads from debuggers 34->138 140 Tries to detect sandboxes / dynamic malware analysis system (registry check) 34->140 41 conhost.exe 34->41         started        62 C:\Users\user\AppData\Local\...\tivrdcvh.exe, PE32 36->62 dropped 43 F8D5.exe 2 36->43         started        46 conhost.exe 36->46         started        file14 signatures15 process16 dnsIp17 102 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 38->102 104 Maps a DLL or memory area into another process 38->104 106 Checks if the current machine is a virtual machine (disk enumeration) 38->106 108 Creates a thread in another existing process (thread injection) 38->108 84 93.115.20.139, 28978, 49799 MVPShttpswwwmvpsnetEU Romania 43->84 signatures18
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b83c32a316c8e5b1055cee72c6696a5935a7ce8fb909c1cbadd6ed289eb7222e/
Threat name:
Win32.Ransomware.Stop
Create hunting rule
Status:
Malicious
First seen:
2021-10-05 23:32:08 UTC
AV detection:
23 of 45 (51.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xa6dfiywzds3cbk45zzmm2lkle22ptupxee4ds5n23wsrhvxeixa._file
Verdict:
malicious
Similar samples:
44e29e5cd002e8d4d4f13432847f38fa79a1667b5fdef9b9f316c3501f3bb480
Smoke Loader
4ba939154ee9df1004629da3aee541a36eb4faabe421190ddbbbf1ccd195e03a
Smoke Loader
85450b08c8b089b5a642511b086c838e568dbc5a30174a398bb44eb62db6fdb6
Smoke Loader
d14036b4ab78b2c6121138471582c33a4bf0dbd2076f4c9e640d34a994fce2d3
Smoke Loader
d4bec541272c470bc24653ca13fe85d4011e300b79026b767c6bd3abcb93b637
Smoke Loader
d852901bdc93f05c0dbb9692dfe08ca5465dadce441ef722b617314578fd5c0f
Smoke Loader
d9d7046f7539fd97259759a51b02650790a961ddb0d8f0b9f31c76faf6d63a91
Smoke Loader
e01749cfd587ae7029247ef900df2eb0e89e2fc594ca665d460a73bfa9564647
Smoke Loader
ec078bf46a67bb519f2f15227a024af19356993f9b5b26bd16d9248f42fb373d
Smoke Loader
f085d79b0b46ad9eda7f2191e2e668314553251ab5d0f4936f84cd2c1afa2564
Smoke Loader
+ 4'828 additional samples on MalwareBazaar
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:raccoon family:redline family:smokeloader family:tofsee family:xmrig botnet:8d179b9e611eee525425544ee8c6d77360ab7cd9 botnet:proliv backdoor discovery evasion infostealer miner persistence spyware stealer suricata themida trojan
Link:
https://tria.ge/reports/211006-lfb7lsbbfq/
Behaviour
Checks SCSI registry key(s)
Modifies data under HKEY_USERS
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
Launches sc.exe
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks whether UAC is enabled
Checks BIOS information in registry
Deletes itself
Loads dropped DLL
Reads user/profile data of web browsers
Themida packer
Creates new service(s)
Downloads MZ/PE file
Executes dropped EXE
Modifies Windows Firewall
Sets service image path in registry
Identifies VirtualBox via ACPI registry values (likely anti-VM)
XMRig Miner Payload
Raccoon
RedLine
RedLine Payload
SmokeLoader
Tofsee
Windows security bypass
suricata: ET MALWARE Sharik/Smoke CnC Beacon 11
xmrig
Malware Config
C2 Extraction:
http://fiskahlilian16.top/
http://paishancho17.top/
http://ydiannetter18.top/
http://azarehanelle19.top/
http://quericeriant20.top/
93.115.20.139:28978
Unpacked files
SH256 hash:
592b089027938156e18387e4402b965a5f1ffc25e96d7efc3aa9331254587bdd
MD5 hash:
2dbb1eb8c40c88994738a736ad55c79b
SHA1 hash:
88e2fc9242606c7dfcd68d5da8c6d457837157a3
Link:
https://www.unpac.me/results/e9e71a3a-82e9-4d1a-8aab-6aadc3a09cb6/
SH256 hash:
b83c32a316c8e5b1055cee72c6696a5935a7ce8fb909c1cbadd6ed289eb7222e
MD5 hash:
49f4a3267df3fb8ddf39e413ac14f085
SHA1 hash:
4bf8ff5b26ec25972562d5737c4d2c85eb95224e
Link:
https://www.unpac.me/results/e9e71a3a-82e9-4d1a-8aab-6aadc3a09cb6/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/b83c32a316c8/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/b83c32a316c8e5b1055cee72c6696a5935a7ce8fb909c1cbadd6ed289eb7222e

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 b83c32a316c8e5b1055cee72c6696a5935a7ce8fb909c1cbadd6ed289eb7222e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1653238/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/195418/

Comments