MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 23e793eb5359e5934565840665798105435c69d7534e547204f5566486d75bfb. 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: 16


Intelligence 16 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 23e793eb5359e5934565840665798105435c69d7534e547204f5566486d75bfb
SHA3-384 hash: ab697781c6325c63112f73d52342b3eedb69dc6385423d25447d27dd63e82157ceeac9df11fb00c3e7c5deac510880fa
SHA1 hash: 03e098a5ce05bfad96d3fac87e88b6e5f57ba987
MD5 hash: c5e8cd4452990f730e15432bcf436b5e
humanhash: saturn-edward-nevada-delta
File name:file
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:316'928 bytes
First seen:2024-03-21 07:34:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash c7dc01e7bf458b5be41a3a73770771d1 (4 x Stealc, 1 x Socks5Systemz, 1 x Smoke Loader)
ssdeep 3072:c/0oaShCZaBMkI+scKmEXs4bRYJAZbzo68LoPjigwIsXl68S71nZ1ApkYn5:jeckIBtR2Q8gnsXAR31wH
TLSH T11D64590336D2ECA1E46243314E2C9AEC776EFCB68F619B5B235C3E4E68711A0D527B51
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon 0004010162442423 (1 x Smoke Loader)
Reporter Bitsight
Tags:exe Smoke Loader


Avatar
Bitsight
url: http://galandskiyher5.com/downloads/toolspub1.exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
350
Origin country :
US US
Vendor Threat Intelligence
Malware family:
smoke
Create hunting rule
ID:
1
File name:
23e793eb5359e5934565840665798105435c69d7534e547204f5566486d75bfb.exe
Verdict:
Malicious activity
Analysis date:
2024-03-21 07:37:49 UTC
Tags:
loader smoke smokeloader amadey botnet stealer redline hijackloader
Link:
https://app.any.run/tasks/5ad701e8-07c3-4bec-98db-5e0cfb5cda33

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packer.pkr_ce1a-9980177-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Connection attempt to an infection source
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
DNS request
Launching a process
Connection attempt
Sending an HTTP GET request
Sending an HTTP GET request to an infection source
Creating a process from a recently created file
Sending a custom TCP request
Launching the default Windows debugger (dwwin.exe)
Moving a file to the Program Files subdirectory
Replacing files
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun by creating a file
Sending an HTTP POST request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fingerprint mokes
Link:
https://www.filescan.io/uploads/65fbe32987137159d44cd71b/reports/772d2ee0-1700-420d-872c-0d4239217cd6/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/23e793eb5359e5934565840665798105435c69d7534e547204f5566486d75bfb
Malware family:
STOP Ransomware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e396c548-b555-4cff-a1fa-173ff6fc4a2f
Result
Threat name:
LummaC, Babuk, Clipboard Hijacker, Djvu,
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1412979
Signature
.NET source code contains very large array initializations
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)
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 C&C like URL pattern
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)
Multi AV Scanner detection for domain / URL
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
PE file contains section with special chars
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)
Query firmware table information (likely to detect VMs)
Sample uses process hollowing technique
Sample uses string decryption to hide its real strings
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Uses cmd line tools excessively to alter registry or file data
Uses schtasks.exe or at.exe to add and modify task schedules
Writes a notice file (html or txt) to demand a ransom
Writes many files with high entropy
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Babuk Ransomware
Yara detected Clipboard Hijacker
Yara detected Djvu Ransomware
Yara detected LummaC Stealer
Yara detected Mars stealer
Yara detected PureLog Stealer
Yara detected SmokeLoader
Yara detected Stealc
Yara detected Vidar
Yara detected Vidar stealer
Yara detected Xehook Stealer
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1412979 Sample: file.exe Startdate: 21/03/2024 Architecture: WINDOWS Score: 100 117 trecube.com 2->117 119 trad-einmyus.com 2->119 121 18 other IPs or domains 2->121 155 Snort IDS alert for network traffic 2->155 157 Multi AV Scanner detection for domain / URL 2->157 159 Found malware configuration 2->159 161 27 other signatures 2->161 15 file.exe 2->15         started        18 B26E.exe 2->18         started        signatures3 process4 signatures5 217 Detected unpacking (changes PE section rights) 15->217 219 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 15->219 221 Maps a DLL or memory area into another process 15->221 229 2 other signatures 15->229 20 explorer.exe 26 18 15->20 injected 223 Detected unpacking (overwrites its own PE header) 18->223 225 Writes a notice file (html or txt) to demand a ransom 18->225 227 Injects a PE file into a foreign processes 18->227 25 B26E.exe 18->25         started        process6 dnsIp7 123 trad-einmyus.com 81.94.159.197, 49710, 80 WESTCALL-ASRU Russian Federation 20->123 125 sdfjhuz.com 211.202.224.10, 49711, 49715, 80 SKB-ASSKBroadbandCoLtdKR Korea Republic of 20->125 127 8 other IPs or domains 20->127 83 C:\Users\user\AppData\Roaming\ucstdvj, PE32 20->83 dropped 85 C:\Users\user\AppData\Local\Temp18E.exe, PE32 20->85 dropped 87 C:\Users\user\AppData\Local\Temp\B26E.exe, PE32 20->87 dropped 93 4 other malicious files 20->93 dropped 163 Benign windows process drops PE files 20->163 165 Deletes itself after installation 20->165 167 Hides that the sample has been downloaded from the Internet (zone.identifier) 20->167 27 B26E.exe 20->27         started        30 2E3A.exe 20->30         started        32 E18E.exe 20->32         started        35 5 other processes 20->35 89 C:\Users\user\_README.txt, ASCII 25->89 dropped 91 C:\Users\user\AppData\Local\...\_README.txt, ASCII 25->91 dropped file8 signatures9 process10 dnsIp11 187 Antivirus detection for dropped file 27->187 189 Detected unpacking (changes PE section rights) 27->189 191 Detected unpacking (overwrites its own PE header) 27->191 205 4 other signatures 27->205 38 B26E.exe 1 16 27->38         started        193 Multi AV Scanner detection for dropped file 30->193 195 Machine Learning detection for dropped file 30->195 207 2 other signatures 30->207 42 RegAsm.exe 30->42         started        45 conhost.exe 30->45         started        115 resergvearyinitiani.shop 104.21.94.2, 443, 49730, 49731 CLOUDFLARENETUS United States 32->115 197 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 32->197 199 Query firmware table information (likely to detect VMs) 32->199 201 Found many strings related to Crypto-Wallets (likely being stolen) 32->201 209 5 other signatures 32->209 81 C:\Users\user\AppData\...\Protect544cd51a.dll, PE32 35->81 dropped 203 Uses cmd line tools excessively to alter registry or file data 35->203 211 5 other signatures 35->211 47 conhost.exe 35->47         started        49 reg.exe 1 1 35->49         started        51 conhost.exe 35->51         started        53 3 other processes 35->53 file12 signatures13 process14 dnsIp15 129 api.2ip.ua 104.21.65.24, 443, 49712, 49713 CLOUDFLARENETUS United States 38->129 95 C:\Users\user\AppData\Local\...\B26E.exe, PE32 38->95 dropped 55 B26E.exe 38->55         started        58 icacls.exe 38->58         started        131 trecube.com 104.21.35.168, 443, 49738, 49740 CLOUDFLARENETUS United States 42->131 133 ip-api.com 208.95.112.1, 49744, 80 TUT-ASUS United States 42->133 179 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 42->179 181 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 42->181 183 Tries to harvest and steal ftp login credentials 42->183 185 Tries to harvest and steal browser information (history, passwords, etc) 42->185 file16 signatures17 process18 signatures19 169 Injects a PE file into a foreign processes 55->169 60 B26E.exe 1 27 55->60         started        process20 dnsIp21 139 sajdfue.com 200.45.93.45, 49717, 49718, 49719 TelecomArgentinaSAAR Argentina 60->139 107 C:\Users\user\AppData\Local\...\build3[1].exe, PE32 60->107 dropped 109 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 60->109 dropped 111 C:\Users\user\AppData\Local\...\build3.exe, PE32 60->111 dropped 113 114 other malicious files 60->113 dropped 213 Tries to harvest and steal browser information (history, passwords, etc) 60->213 215 Modifies existing user documents (likely ransomware behavior) 60->215 65 build2.exe 60->65         started        68 build3.exe 60->68         started        file22 signatures23 process24 signatures25 141 Multi AV Scanner detection for dropped file 65->141 143 Detected unpacking (changes PE section rights) 65->143 145 Detected unpacking (overwrites its own PE header) 65->145 147 Injects a PE file into a foreign processes 65->147 70 build2.exe 65->70         started        149 Antivirus detection for dropped file 68->149 151 Machine Learning detection for dropped file 68->151 153 Uses schtasks.exe or at.exe to add and modify task schedules 68->153 75 build3.exe 68->75         started        process26 dnsIp27 135 116.202.5.172, 443, 49721, 49722 HETZNER-ASDE Germany 70->135 137 steamcommunity.com 104.71.182.190, 443, 49720 AKAMAI-ASUS United States 70->137 97 C:\Users\user\AppData\Local\...\sqlm[1].dll, PE32 70->97 dropped 99 C:\Users\user\AppData\...\softokn3[1].dll, PE32 70->99 dropped 101 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 70->101 dropped 105 10 other files (6 malicious) 70->105 dropped 171 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 70->171 173 Found many strings related to Crypto-Wallets (likely being stolen) 70->173 175 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 70->175 177 2 other signatures 70->177 103 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 75->103 dropped 77 schtasks.exe 75->77         started        file28 signatures29 process30 process31 79 conhost.exe 77->79         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/23e793eb5359e5934565840665798105435c69d7534e547204f5566486d75bfb
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/23e793eb5359e5934565840665798105435c69d7534e547204f5566486d75bfb/
Threat name:
Win32.Trojan.Convagent
Create hunting rule
Status:
Malicious
First seen:
2024-03-20 16:43:04 UTC
File Type:
PE (Exe)
Extracted files:
32
AV detection:
25 of 36 (69.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=eptzh22tlhszgrlfqqdgk6mbavbvy2oxknhfi4qe6vlgjbwxlp5q._file
Verdict:
malicious
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:dcrat family:djvu family:glupteba family:lumma family:smokeloader family:stealc family:zgrat botnet:pub1 backdoor discovery dropper evasion infostealer loader persistence ransomware rat spyware stealer trojan
Link:
https://tria.ge/reports/240321-jen4nsfh9t/
Behaviour
Checks SCSI registry key(s)
Creates scheduled task(s)
Modifies data under HKEY_USERS
Modifies registry class
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 WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Program crash
Checks for VirtualBox DLLs, possible anti-VM trick
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks installed software on the system
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Checks computer location settings
Deletes itself
Executes dropped EXE
Loads dropped DLL
Modifies file permissions
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Windows security modification
Downloads MZ/PE file
Modifies Installed Components in the registry
Modifies Windows Firewall
DcRat
Detect ZGRat V1
Detected Djvu ransomware
Djvu Ransomware
Glupteba
Glupteba payload
Lumma Stealer
SmokeLoader
Stealc
Windows security bypass
ZGRat
Malware Config
C2 Extraction:
http://trad-einmyus.com/index.php
http://tradein-myus.com/index.php
http://trade-inmyus.com/index.php
http://sajdfue.com/test1/get.php
http://94.156.8.100
https://resergvearyinitiani.shop/api
https://associationokeo.shop/api
Unpacked files
SH256 hash:
5dff847558ac96a1d2f6394aa2efe65440a8b945335b20ccddaeea0a5b1792ba
MD5 hash:
40ea2c256d9186368a97931a1bd13ad9
SHA1 hash:
662fec4182fbc8b871ccb135c00dd2f8b6e8457b
Detections:
SmokeLoaderStage2
Create hunting rule
win_smokeloader_a2
Create hunting rule
Link:
https://www.unpac.me/results/9e18be53-77bd-45d7-86db-38b09a6b7358/
Parent samples :
1eeeb5aa7dcd72a9912e8f54c60b07915d4c7fb4180c2e497483357ab9ac8640
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233d4d5cdc04c36621a8bc12ea1a5716912ff7576eedfec12bb7aaf03ba57911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0f4d1e6a36a2f6fc4e29b9134a49a081b305501bb6394367f2f48a0387b02c68
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7e58fdd635ef291b98c8c9e6c317fc4f6699dfb8580d95159fdb8f39e9ba9ea6
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20bade08687a1356c343a70a124e7441aa3f2c1824f50b77e552421ee61c3ba3
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b1637a25a2959c9a6da241d94d8ddac92f3e542d86dbebdc47c1a06a4f6190a0
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91e8fd048fb5df071ba6e3d7917edcb53122d9cbd9e57dcf4b5e50c72d575c7a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 hash:
23e793eb5359e5934565840665798105435c69d7534e547204f5566486d75bfb
MD5 hash:
c5e8cd4452990f730e15432bcf436b5e
SHA1 hash:
03e098a5ce05bfad96d3fac87e88b6e5f57ba987
Link:
https://www.unpac.me/results/9e18be53-77bd-45d7-86db-38b09a6b7358/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/23e793eb5359/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/23e793eb5359e5934565840665798105435c69d7534e547204f5566486d75bfb

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
Create hunting rule
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 23e793eb5359e5934565840665798105435c69d7534e547204f5566486d75bfb

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2735135/
  
URLhaus
https://urlhaus.abuse.ch/url/2728080/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationUSER32.dll::SetUserObjectSecurity
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::FindNextVolumeMountPointW
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetVolumeInformationA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::FreeConsole
KERNEL32.dll::PeekConsoleInputA
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::ReadConsoleOutputCharacterW
KERNEL32.dll::SetStdHandle
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::CreateFileA
KERNEL32.dll::GetWindowsDirectoryW
KERNEL32.dll::RemoveDirectoryW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::QueryDosDeviceA

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