MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c1a94b4836ce341261dafddcdd0b7f2fb0d8974418cfe37bfe4edac452966dcf. 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: 17


Intelligence 17 IOCs YARA 1 File information Comments

SHA256 hash: c1a94b4836ce341261dafddcdd0b7f2fb0d8974418cfe37bfe4edac452966dcf
SHA3-384 hash: fe54791277dc4b70c3ed9452ce02e93266db144eeb2998b21dc67302e87399c23062c13b409135c32bd4862d22d4582f
SHA1 hash: 6e27e8c899d92da67fdb5b6f07b3d3ef54dcf62b
MD5 hash: 1b34541fb0dc55293424cd982f09cb30
humanhash: quebec-burger-white-six
File name:file
Download: download sample
Signature Smoke Loader
File size:278'528 bytes
First seen:2024-01-19 15:34:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 350df2655b0daaea96b8813dc9808d30 (2 x Smoke Loader, 1 x UACModuleSmokeLoader, 1 x Stealc)
ssdeep 3072:qSSVrZvALNCLjw5s0CUoMhvd+Kq7pFxoV07PD9z5OEeU2K6gvX:qSwvALNCLvMdAFFeV0yYB
Threatray 2'374 similar samples on MalwareBazaar
TLSH T16144E41382A2BD56EA268E728E2FC6F8761EB6508E4977792139DB1F04B10F3C173751
TrID 32.3% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
23.3% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9)
17.5% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
7.3% (.SCR) Windows screen saver (13097/50/3)
5.9% (.EXE) Win64 Executable (generic) (10523/12/4)
File icon (PE):PE icon
dhash icon 0000408010100000 (1 x Smoke Loader)
Reporter jstrosch
Tags:exe Smoke Loader


Avatar
jstrosch
Found at hxxp://galandskiyher5[.]com/downloads/toolspub1.exe by #subcrawl

Intelligence


File Origin
# of uploads :
1
# of downloads :
333
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
c1a94b4836ce341261dafddcdd0b7f2fb0d8974418cfe37bfe4edac452966dcf.exe
Verdict:
Malicious activity
Analysis date:
2024-01-19 15:40:20 UTC
Tags:
loader smoke smokeloader risepro

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
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Sending a custom TCP request
Creating a file in the %temp% directory
Creating a process from a recently created file
DNS request
Sending an HTTP GET request
Сreating synchronization primitives
Creating a file
Searching for synchronization primitives
Query of malicious DNS domain
Sending a TCP request to an infection source
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun by creating a file
Sending an HTTP POST request to an infection source
Sending an HTTP GET request to an infection source
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
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.
Result
Threat name:
LummaC, Babuk, Clipboard Hijacker, Djvu,
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
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 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)
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 (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Drops PE files to the user root directory
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Found ransom note / readme
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
LummaC encrypted strings found
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
Modifies existing user documents (likely ransomware behavior)
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries the IP of a very long domain name
Query firmware table information (likely to detect VMs)
Sample uses process hollowing technique
Snort IDS alert for network traffic
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 steal Crypto Currency Wallets
Uses schtasks.exe or at.exe to add and modify task schedules
Writes a notice file (html or txt) to demand a ransom
Writes to foreign memory regions
Yara detected Babuk Ransomware
Yara detected Clipboard Hijacker
Yara detected Costura Assembly Loader
Yara detected Djvu Ransomware
Yara detected LummaC Stealer
Yara detected PersistenceViaHiddenTask
Yara detected PureLog Stealer
Yara detected RedLine Stealer
Yara detected RisePro Stealer
Yara detected SmokeLoader
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1377544 Sample: file.exe Startdate: 19/01/2024 Architecture: WINDOWS Score: 100 128 dev-download-file-5d253051-96bd-4ebd-9a2d-fd4a6upstream.pantheonsite.io 2->128 130 trad-einmyus.com 2->130 132 66 other IPs or domains 2->132 156 Snort IDS alert for network traffic 2->156 158 Found malware configuration 2->158 160 Malicious sample detected (through community Yara rule) 2->160 164 22 other signatures 2->164 15 file.exe 2->15         started        18 HostFile.exe 2->18         started        20 gadvctb 2->20         started        22 2 other processes 2->22 signatures3 162 Queries the IP of a very long domain name 128->162 process4 signatures5 230 Detected unpacking (changes PE section rights) 15->230 232 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 15->232 234 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 15->234 236 Creates a thread in another existing process (thread injection) 15->236 24 explorer.exe 20 24 15->24 injected 238 Multi AV Scanner detection for dropped file 18->238 240 Machine Learning detection for dropped file 18->240 242 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 18->242 244 Modifies the context of a thread in another process (thread injection) 18->244 29 HostFile.exe 18->29         started        246 Antivirus detection for dropped file 20->246 254 2 other signatures 20->254 248 Detected unpacking (overwrites its own PE header) 22->248 250 Writes a notice file (html or txt) to demand a ransom 22->250 252 Injects a PE file into a foreign processes 22->252 31 9B07.exe 22->31         started        33 mstsca.exe 22->33         started        process6 dnsIp7 148 brusuax.com 187.211.34.211, 49739, 49748, 80 UninetSAdeCVMX Mexico 24->148 150 109.107.182.3 TELEPORT-TV-ASRU Russian Federation 24->150 152 7 other IPs or domains 24->152 104 C:\Users\user\AppData\Roaming\gadvctb, PE32 24->104 dropped 106 C:\Users\user\AppData\Local\Temp\D214.exe, PE32 24->106 dropped 108 C:\Users\user\AppData\Local\Temp\C66E.exe, PE32 24->108 dropped 114 6 other malicious files 24->114 dropped 196 System process connects to network (likely due to code injection or exploit) 24->196 198 Benign windows process drops PE files 24->198 200 Deletes itself after installation 24->200 202 Hides that the sample has been downloaded from the Internet (zone.identifier) 24->202 35 9B07.exe 24->35         started        38 C66E.exe 24->38         started        41 3805.exe 24->41         started        47 5 other processes 24->47 204 Writes to foreign memory regions 29->204 206 Modifies the context of a thread in another process (thread injection) 29->206 208 Sample uses process hollowing technique 29->208 210 Injects a PE file into a foreign processes 29->210 43 MSBuild.exe 29->43         started        110 C:\Users\user\_readme.txt, ASCII 31->110 dropped 112 C:\Users\user\AppData\Local\...\_readme.txt, ASCII 31->112 dropped 45 schtasks.exe 33->45         started        file8 signatures9 process10 dnsIp11 166 Multi AV Scanner detection for dropped file 35->166 168 Detected unpacking (changes PE section rights) 35->168 170 Detected unpacking (overwrites its own PE header) 35->170 184 2 other signatures 35->184 50 9B07.exe 1 16 35->50         started        144 fleetconsciousnessjuiw.site 104.21.95.65 CLOUDFLARENETUS United States 38->144 172 Antivirus detection for dropped file 38->172 174 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 38->174 176 Query firmware table information (likely to detect VMs) 38->176 186 4 other signatures 38->186 178 Machine Learning detection for dropped file 41->178 180 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 41->180 182 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 41->182 54 3805.exe 41->54         started        188 2 other signatures 43->188 56 MSBuild.exe 43->56         started        58 conhost.exe 45->58         started        146 185.149.146.75 FOTONTELECOM-TRANSIT-ASFOTONTELECOMISPRU Russian Federation 47->146 124 C:\Users\user\uVJvyKvdGOdpqrw.pdf, PE32 47->124 dropped 126 C:\Users\user126BmLmdpkMwkxIsS.pdf, PE32 47->126 dropped 190 3 other signatures 47->190 60 WerFault.exe 21 47->60         started        62 9B07.exe 47->62         started        64 9B07.exe 47->64         started        66 conhost.exe 47->66         started        file12 signatures13 process14 dnsIp15 134 api.2ip.ua 104.21.65.24, 443, 49744, 49745 CLOUDFLARENETUS United States 50->134 94 C:\Users\user\AppData\Local\...\9B07.exe, PE32 50->94 dropped 68 9B07.exe 50->68         started        71 icacls.exe 50->71         started        96 C:\Users\user\AppData\Local\...\HostFile.exe, PE32+ 54->96 dropped 136 80.85.241.193 MEDIAL-ASRU Russian Federation 56->136 98 C:\Users\user\AppData\Local\Temp\icnuo.exe, PE32+ 56->98 dropped file16 process17 signatures18 192 Injects a PE file into a foreign processes 68->192 73 9B07.exe 26 68->73         started        process19 dnsIp20 154 habrafa.com 175.126.109.15, 49751, 49752, 49753 SKB-ASSKBroadbandCoLtdKR Korea Republic of 73->154 116 C:\Users\user\AppData\Local\...\build3.exe, PE32 73->116 dropped 118 C:\Users\user\AppData\Local\...\build2.exe, PE32 73->118 dropped 120 C:\Users\user\AppData\Local\...\build3[1].exe, PE32 73->120 dropped 122 7 other malicious files 73->122 dropped 212 Modifies existing user documents (likely ransomware behavior) 73->212 78 build2.exe 73->78         started        81 build3.exe 73->81         started        file21 signatures22 process23 signatures24 214 Multi AV Scanner detection for dropped file 78->214 216 Detected unpacking (changes PE section rights) 78->216 218 Detected unpacking (creates a PE file in dynamic memory) 78->218 220 Injects a PE file into a foreign processes 78->220 83 build2.exe 78->83         started        222 Antivirus detection for dropped file 81->222 224 Detected unpacking (overwrites its own PE header) 81->224 226 Machine Learning detection for dropped file 81->226 228 Uses schtasks.exe or at.exe to add and modify task schedules 81->228 88 build3.exe 81->88         started        process25 dnsIp26 138 bzib.nelreports.net 83->138 140 t.me 149.154.167.99, 443, 49749 TELEGRAMRU United Kingdom 83->140 142 5.75.215.163, 49750, 7575 HETZNER-ASDE Germany 83->142 100 C:\Users\user\AppData\Local\...\sql[1].dll, PE32 83->100 dropped 194 Found many strings related to Crypto-Wallets (likely being stolen) 83->194 102 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 88->102 dropped 90 schtasks.exe 88->90         started        file27 signatures28 process29 process30 92 conhost.exe 90->92         started       
Threat name:
Win32.Trojan.Smokeloader
Status:
Malicious
First seen:
2024-01-19 15:35:06 UTC
File Type:
PE (Exe)
Extracted files:
60
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:smokeloader family:vidar family:zgrat botnet:pub1 backdoor discovery persistence ransomware rat stealer trojan
Behaviour
Checks SCSI registry key(s)
Creates scheduled task(s)
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Deletes itself
Executes dropped EXE
Loads dropped DLL
Modifies file permissions
Downloads MZ/PE file
Detect Vidar Stealer
Detect ZGRat V1
Detected Djvu ransomware
Djvu Ransomware
SmokeLoader
Vidar
ZGRat
Malware Config
C2 Extraction:
http://trad-einmyus.com/index.php
http://tradein-myus.com/index.php
http://trade-inmyus.com/index.php
http://habrafa.com/test1/get.php
Unpacked files
SH256 hash:
5dff847558ac96a1d2f6394aa2efe65440a8b945335b20ccddaeea0a5b1792ba
MD5 hash:
40ea2c256d9186368a97931a1bd13ad9
SHA1 hash:
662fec4182fbc8b871ccb135c00dd2f8b6e8457b
Detections:
SmokeLoaderStage2 win_smokeloader_a2
Parent samples :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 hash:
c1a94b4836ce341261dafddcdd0b7f2fb0d8974418cfe37bfe4edac452966dcf
MD5 hash:
1b34541fb0dc55293424cd982f09cb30
SHA1 hash:
6e27e8c899d92da67fdb5b6f07b3d3ef54dcf62b
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

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 c1a94b4836ce341261dafddcdd0b7f2fb0d8974418cfe37bfe4edac452966dcf

(this sample)

  
Delivery method
Distributed via web download

Comments