MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1b7769f85c3874451b85f83ab1ddc08b0d07fe76f354e0c7b397308894095673. 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: 9


Intelligence 9 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1b7769f85c3874451b85f83ab1ddc08b0d07fe76f354e0c7b397308894095673
SHA3-384 hash: 928fddddd9c1551b6191c4e5cb68fbfd6c0b0df0a3b1dfb80dd398f2bad64243d15ad235336e55bf8e746c3de59ac9ca
SHA1 hash: e9a68c2b04f9820fdc0f1bb34c270c5597ff250e
MD5 hash: b4a164515cccb56971cedd899bf53ae8
humanhash: oscar-lithium-alanine-ceiling
File name:b4a164515cccb56971cedd899bf53ae8
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:303'104 bytes
First seen:2021-06-13 19:45:30 UTC
Last seen:2021-06-13 20:35:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f48d40448beb628ea5f30fab00d7ea57 (3 x Smoke Loader, 1 x RaccoonStealer)
ssdeep 6144:6QsvV2LxBGSZSl4DxbZeBaLA5efhOg9szC2l8:RiV2LDGSLmaLA5efQlzrl8
TLSH 9B548D1067A1C0F5F2F316F849B69F79A5AD3DB0677850DF52C22AEA1634AE0AD30347
Reporter zbetcheckin
Tags:32 exe Smoke Loader

Intelligence

File Origin
# of uploads :
2
# of downloads :
218
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b4a164515cccb56971cedd899bf53ae8
Verdict:
Suspicious activity
Analysis date:
2021-06-13 19:48:57 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/f847ed8b-c46c-423f-b2df-608b6e32b35d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Troj.Kryptik-TR.19609.1215.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Creating a file in the %temp% directory
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
DNS request
Connection attempt
Sending an HTTP POST request
Connection attempt to an infection source
Deleting of the original file
Enabling autorun by creating a file
Sending an HTTP POST request to an infection source
Result
Verdict:
UNKNOWN
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:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/24b04313-c531-4f75-9dc7-bf73e586ee5c
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/801394
Signature
.NET source code contains very large strings
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)
Deletes itself after installation
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
DLL reload attack detected
Drops executables to the windows directory (C:\Windows) and starts them
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)
Injects a PE file into a foreign processes
Machine Learning detection for sample
Maps a DLL or memory area into another process
Modifies the windows firewall
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Renames NTDLL to bypass HIPS
Sample uses process hollowing technique
Sigma detected: Copying Sensitive Files with Credential Data
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)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to resolve many domain names, but no domain seems valid
Tries to steal Crypto Currency Wallets
Tries to steal Mail credentials (via file access)
Uses known network protocols on non-standard ports
Uses netsh to modify the Windows network and firewall settings
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: 433790 Sample: MwcrHqpRj7 Startdate: 13/06/2021 Architecture: WINDOWS Score: 100 88 api.ip.sb 2->88 90 18.52.17.84.in-addr.arpa 2->90 92 6 other IPs or domains 2->92 118 Multi AV Scanner detection for domain / URL 2->118 120 Found malware configuration 2->120 122 Antivirus detection for URL or domain 2->122 124 15 other signatures 2->124 9 explorer.exe 17 2->9         started        14 MwcrHqpRj7.exe 2->14         started        16 ccsuhfj 2->16         started        18 4 other processes 2->18 signatures3 process4 dnsIp5 110 999080321yomtest251-service10020125999080321.ru 9->110 112 999080321yirtest231-service10020125999080321.ru 9->112 116 73 other IPs or domains 9->116 80 C:\Users\user\AppData\Roaming\ccsuhfj, PE32 9->80 dropped 82 C:\Users\user\AppData\Local\Temp\B7CE.exe, PE32 9->82 dropped 84 C:\Users\user\AppData\Local\Temp\AEA6.exe, PE32 9->84 dropped 86 6 other files (4 malicious) 9->86 dropped 154 System process connects to network (likely due to code injection or exploit) 9->154 156 Benign windows process drops PE files 9->156 158 Performs DNS queries to domains with low reputation 9->158 176 2 other signatures 9->176 20 A5DB.exe 9->20         started        25 80BC.exe 4 9->25         started        27 9AAE.exe 2 9->27         started        33 13 other processes 9->33 160 DLL reload attack detected 14->160 162 Detected unpacking (changes PE section rights) 14->162 164 Contains functionality to inject code into remote processes 14->164 29 MwcrHqpRj7.exe 1 14->29         started        166 Injects a PE file into a foreign processes 16->166 31 ccsuhfj 1 16->31         started        114 api.ip.sb 18->114 168 Detected unpacking (overwrites its own PE header) 18->168 170 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 18->170 172 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 18->172 file6 174 Tries to resolve many domain names, but no domain seems valid 112->174 signatures7 process8 dnsIp9 100 tttttt.me 95.216.186.40, 443, 49772 HETZNER-ASDE Germany 20->100 102 34.76.8.115, 49774, 80 GOOGLEUS United States 20->102 68 C:\Users\user\AppData\LocalLow\sqlite3.dll, PE32 20->68 dropped 70 C:\Users\user\AppData\...\vcruntime140.dll, PE32 20->70 dropped 72 C:\Users\user\AppData\...\ucrtbase.dll, PE32 20->72 dropped 78 56 other files (none is malicious) 20->78 dropped 128 Detected unpacking (changes PE section rights) 20->128 130 Detected unpacking (overwrites its own PE header) 20->130 132 Tries to steal Mail credentials (via file access) 20->132 134 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 25->134 136 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 25->136 148 2 other signatures 25->148 35 80BC.exe 15 28 25->35         started        40 conhost.exe 25->40         started        74 C:\Users\user\AppData\Local\...\scxsjjci.exe, PE32 27->74 dropped 138 Uses netsh to modify the Windows network and firewall settings 27->138 140 Modifies the windows firewall 27->140 42 cmd.exe 27->42         started        44 cmd.exe 27->44         started        46 sc.exe 27->46         started        48 3 other processes 27->48 150 2 other signatures 29->150 76 C:\Users\user\AppData\Local\Temp\AE30.tmp, PE32 31->76 dropped 152 3 other signatures 31->152 104 api.ip.sb 33->104 106 999080321newfolder1002-01362599908032135.site 33->106 108 45.138.157.149, 49785, 49792, 49804 WEBHOST1-ASRU Russian Federation 33->108 142 System process connects to network (likely due to code injection or exploit) 33->142 144 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 33->144 146 Tries to harvest and steal browser information (history, passwords, etc) 33->146 file10 signatures11 process12 dnsIp13 94 api.ip.sb 35->94 96 87.251.71.118, 49777, 49780, 49781 RMINJINERINGRU Russian Federation 35->96 98 cdn.discordapp.com 162.159.129.233, 443, 49782 CLOUDFLARENETUS United States 35->98 62 C:\Users\user\AppData\Local\...\intelcorp.exe, PE32 35->62 dropped 64 C:\...\XCuer5pXYHrlLvLs8Bgor9rzF5ZJuv.exe, PE32+ 35->64 dropped 66 C:\Users\user\AppData\Local\...\Seedbox.exe, PE32 35->66 dropped 126 Tries to steal Crypto Currency Wallets 35->126 50 conhost.exe 42->50         started        52 conhost.exe 44->52         started        54 conhost.exe 46->54         started        56 conhost.exe 48->56         started        58 conhost.exe 48->58         started        60 conhost.exe 48->60         started        file14 signatures15 process16
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1b7769f85c3874451b85f83ab1ddc08b0d07fe76f354e0c7b397308894095673/
Threat name:
Win32.Backdoor.Mokes
Create hunting rule
Status:
Malicious
First seen:
2021-06-13 19:45:48 UTC
AV detection:
13 of 28 (46.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dn3wt6c4hb2ekg4f7a5ldxoarmgqp7tw6nkobr5ts4yirfajkzzq._file
Result
Malware family:
tofsee
Create hunting rule
Score:
  10/10
Tags:
family:raccoon family:redline family:smokeloader family:tofsee botnet:1 botnet:50f8ded12c46443e43915127b1219ac2fc439bb6 botnet:5339a5db91bba8fa758672b05e7eb691a224bf94 backdoor discovery evasion infostealer persistence spyware stealer trojan
Link:
https://tria.ge/reports/210613-zvsycr7j3x/
Behaviour
Checks SCSI registry key(s)
Delays execution with timeout.exe
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 SetWindowsHookEx
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Launches sc.exe
Drops file in System32 directory
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Deletes itself
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Windows security modification
Creates new service(s)
Downloads MZ/PE file
Executes dropped EXE
Modifies Windows Firewall
Sets service image path in registry
Modifies Windows Defender Real-time Protection settings
Raccoon
RedLine
RedLine Payload
SmokeLoader
Tofsee
Windows security bypass
Malware Config
C2 Extraction:
http://999080321newfolder1002002131-service1002.space/
http://999080321newfolder1002002231-service1002.space/
http://999080321newfolder3100231-service1002.space/
http://999080321newfolder1002002431-service1002.space/
http://999080321newfolder1002002531-service1002.space/
http://999080321newfolder33417-012425999080321.space/
http://999080321test125831-service10020125999080321.space/
http://999080321test136831-service10020125999080321.space/
http://999080321test147831-service10020125999080321.space/
http://999080321test146831-service10020125999080321.space/
http://999080321test134831-service10020125999080321.space/
http://999080321est213531-service1002012425999080321.ru/
http://999080321yes1t3481-service10020125999080321.ru/
http://999080321test13561-service10020125999080321.su/
http://999080321test14781-service10020125999080321.info/
http://999080321test13461-service10020125999080321.net/
http://999080321test15671-service10020125999080321.tech/
http://999080321test12671-service10020125999080321.online/
http://999080321utest1341-service10020125999080321.ru/
http://999080321uest71-service100201dom25999080321.ru/
http://999080321test61-service10020125999080321.website/
http://999080321test51-service10020125999080321.xyz/
http://999080321test41-service100201pro25999080321.ru/
http://999080321yest31-service100201rus25999080321.ru/
http://999080321rest21-service10020125999080321.eu/
http://999080321test11-service10020125999080321.press/
http://999080321newfolder4561-service10020125999080321.ru/
http://999080321rustest213-service10020125999080321.ru/
http://999080321test281-service10020125999080321.ru/
http://999080321test261-service10020125999080321.space/
http://999080321yomtest251-service10020125999080321.ru/
http://999080321yirtest231-service10020125999080321.ru/
136.244.96.84:4150
Unpacked files
SH256 hash:
feac37e8974af1f9868c959ee101c7965d1ef8b399ef74ffb55dfaef3cfff8fc
MD5 hash:
b299a210a56aba5e4d3f2b5dba0a82a1
SHA1 hash:
69d24d62a1e9b1abe4d0458ebcf1f707a047b949
Link:
https://www.unpac.me/results/148ae8c8-8326-4280-bedc-d2c681c3bb07/
SH256 hash:
1b7769f85c3874451b85f83ab1ddc08b0d07fe76f354e0c7b397308894095673
MD5 hash:
b4a164515cccb56971cedd899bf53ae8
SHA1 hash:
e9a68c2b04f9820fdc0f1bb34c270c5597ff250e
Link:
https://www.unpac.me/results/148ae8c8-8326-4280-bedc-d2c681c3bb07/
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/1b7769f85c3874451b85f83ab1ddc08b0d07fe76f354e0c7b397308894095673

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 1b7769f85c3874451b85f83ab1ddc08b0d07fe76f354e0c7b397308894095673

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1362305/

Comments