MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 55f04c9f83b628e58e28a63ce9089519c7457ef52b9bb4504f73a5c97cad26ca. 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

SHA256 hash: 55f04c9f83b628e58e28a63ce9089519c7457ef52b9bb4504f73a5c97cad26ca
SHA3-384 hash: 98d231524378798bd3b5fe122dba9c32f78a8fe7e08e3dc39157c3ff7b8a9d8afe4d3f50263cfc95f399cf7d044140c4
SHA1 hash: 0f4c0070723fb6cfbedae0330536b4474cf8f946
MD5 hash: 2ae3ccf18e3b056d3bc5bcec4ebe4d0a
humanhash: missouri-fruit-high-july
File name:file
Download: download sample
Signature Smoke Loader
File size:166'400 bytes
First seen:2024-07-03 04:04:34 UTC
Last seen:2024-07-03 04:13:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 1f26c0d9ea65ace741c1ad9345fbbca3 (2 x Smoke Loader)
ssdeep 3072:kf59LNHMsreVriGs8ZItaIiIwNFhPQ5c11+f1KuU3:Y59LNHDiVOu9IglL7
Threatray 2'310 similar samples on MalwareBazaar
TLSH T1BFF339E176F19136F3F79A3429B4A7941B3BB863F97181CE2630234A1D326D28D61723
TrID 67.1% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.2% (.EXE) Win32 Executable (generic) (4504/4/1)
2.4% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 9671e896ccf0d4cc (4 x Smoke Loader, 2 x LummaStealer)
Reporter Bitsight
Tags:exe Smoke Loader


Avatar
Bitsight
url: https://sylhetvoice.com/tmp/1.exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
397
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
55f04c9f83b628e58e28a63ce9089519c7457ef52b9bb4504f73a5c97cad26ca.exe
Verdict:
Malicious activity
Analysis date:
2024-07-03 04:04:52 UTC
Tags:
loader smokeloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
epmicrosoft_visual_cc fingerprint microsoft_visual_cc 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, Poverty Stealer, SmokeLoader
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious sample
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)
Creates a thread in another existing process (thread injection)
Deletes itself after installation
Detected unpacking (changes PE section rights)
Found evasive API chain (may stop execution after checking mutex)
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)
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
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Query firmware table information (likely to detect VMs)
Sample uses string decryption to hide its real strings
Switches to a custom stack to bypass stack traces
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
Yara detected LummaC Stealer
Yara detected Poverty Stealer
Yara detected SmokeLoader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1466564 Sample: file.exe Startdate: 03/07/2024 Architecture: WINDOWS Score: 100 107 Multi AV Scanner detection for domain / URL 2->107 109 Found malware configuration 2->109 111 Malicious sample detected (through community Yara rule) 2->111 113 13 other signatures 2->113 12 file.exe 2->12         started        15 ejettew 2->15         started        process3 signatures4 145 Detected unpacking (changes PE section rights) 12->145 147 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 12->147 149 Maps a DLL or memory area into another process 12->149 151 Switches to a custom stack to bypass stack traces 12->151 17 explorer.exe 85 10 12->17 injected 153 Multi AV Scanner detection for dropped file 15->153 155 Checks if the current machine is a virtual machine (disk enumeration) 15->155 157 Creates a thread in another existing process (thread injection) 15->157 process5 dnsIp6 93 185.68.16.7 UKRAINE-ASUA Ukraine 17->93 95 190.13.174.94 TelefonicadelSurSACL Chile 17->95 97 2 other IPs or domains 17->97 77 C:\Users\user\AppData\Roaming\ejettew, PE32 17->77 dropped 79 C:\Users\user\AppData\Local\TempDE7.exe, PE32 17->79 dropped 81 C:\Users\user\AppData\Local\Temp\49A5.exe, PE32 17->81 dropped 83 2 other malicious files 17->83 dropped 117 System process connects to network (likely due to code injection or exploit) 17->117 119 Benign windows process drops PE files 17->119 121 Deletes itself after installation 17->121 123 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->123 22 1B41.exe 3 35 17->22         started        26 EDE7.exe 17->26         started        29 49A5.exe 12 17->29         started        31 GamePall.exe 17->31         started        file7 signatures8 process9 dnsIp10 85 C:\Users\user\AppData\Local\Temp\setup.exe, PE32 22->85 dropped 87 C:\Users\user\AppData\Local\...\blowfish.dll, PE32 22->87 dropped 89 C:\Users\user\AppData\Local\...\huge[1].dat, PE32 22->89 dropped 91 2 other files (none is malicious) 22->91 dropped 129 Antivirus detection for dropped file 22->129 131 Multi AV Scanner detection for dropped file 22->131 33 setup.exe 112 22->33         started        101 188.114.96.3 CLOUDFLARENETUS European Union 26->101 133 Query firmware table information (likely to detect VMs) 26->133 135 Machine Learning detection for dropped file 26->135 137 Found many strings related to Crypto-Wallets (likely being stolen) 26->137 143 3 other signatures 26->143 103 146.70.169.164 TENET-1ZA United Kingdom 29->103 105 104.192.141.1 AMAZON-02US United States 29->105 139 Found evasive API chain (may stop execution after checking mutex) 29->139 141 Tries to harvest and steal browser information (history, passwords, etc) 29->141 file11 signatures12 process13 file14 69 C:\Users\user\AppData\...\vulkan-1.dll, PE32 33->69 dropped 71 C:\Users\user\AppData\...\vk_swiftshader.dll, PE32 33->71 dropped 73 C:\Users\user\AppData\...\libGLESv2.dll, PE32 33->73 dropped 75 16 other files (13 malicious) 33->75 dropped 115 Antivirus detection for dropped file 33->115 37 GamePall.exe 33->37         started        signatures15 process16 dnsIp17 99 172.67.221.174 CLOUDFLARENETUS United States 37->99 125 Antivirus detection for dropped file 37->125 127 Machine Learning detection for dropped file 37->127 41 GamePall.exe 37->41         started        43 GamePall.exe 37->43         started        45 GamePall.exe 37->45         started        47 6 other processes 37->47 signatures18 process19 process20 49 GamePall.exe 41->49         started        51 GamePall.exe 41->51         started        53 GamePall.exe 41->53         started        55 8 other processes 41->55 process21 57 GamePall.exe 49->57         started        59 GamePall.exe 49->59         started        61 GamePall.exe 51->61         started        63 GamePall.exe 51->63         started        65 GamePall.exe 53->65         started        67 GamePall.exe 55->67         started       
Threat name:
Win32.Trojan.Casdet
Status:
Malicious
First seen:
2024-07-03 03:05:42 UTC
File Type:
PE (Exe)
Extracted files:
18
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:smokeloader botnet:pub1 backdoor trojan
Behaviour
Checks SCSI registry key(s)
Program crash
SmokeLoader
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
a2a36aa824eb663bbe7478f50d432d2efd2006472cdfe8842bd83e4ca4f04666
MD5 hash:
1248480e0503c6749983403134d42b7d
SHA1 hash:
2b47694311b48245f2883cd50b955b6f38f3a3b2
Detections:
SmokeLoaderStage2 win_smokeloader_a2
Parent samples :
ea3ee2e3e5558a8267f3f5093144debf3263b5d3dea1598fa59ef7bde043c2b9
37e6e5d8b399fefb9ae774516ff6367e800c69a272e18a654bb84ccff2d7c67a
dd6f8daddb7da0e8b9be526fc3aa9c5f0808fe6926ca7a9648464f9b4f8140e1
55f04c9f83b628e58e28a63ce9089519c7457ef52b9bb4504f73a5c97cad26ca
a6c2a7ffb68b797967ad979e51a1330e9f16223e4f5dc8500b0a58741176f83c
487d893f6d85731ec5e27e65c863163de9cb7bf8c2f0f18118caa6449c96c922
e33636849f3662796f4ce6584c06729eb6e1df305c700a8a12890c831488c533
9b5bb6664b66132e313e9f3e6bf35452008d2e47a91913918a633b348133b617
b87126fd409621a4d510dda005cd84e254d491274661cf22238b271412ff860b
9d7926dac81c4f7200c84298c7839162a2996339262f58bd815d2a94c380a151
ae3d2033118b60d6112bf68e9a241d04f80be85f6d329cd397cb16e855e2bc84
77ba6812b4e9223398d31476512a19ce12c60cf8c9d139e4578f3f19563e0d52
f40c3883f19dda754f0d00ab1e51d8d691c680490ea4040f6a03ac0337ba2584
dfb24443852647217f54bc9078e59394e1c81109c9c57678b5aa535b4133a372
1b5fbf0fffc028708def7f8b1510dd668da7abbd0d0f63b597669339005e33e0
7b2ece053ca47f1dfc2199e5872a4a273ccac740a0ceef209fa8d7867e6cf646
0fa34507e4989e8a96cea715d3418f343bc35cbb256d63da1a87ea82de59c350
a93a0b125c19135c7a7def5d8fe1219885e61a45f0b962103e726086179b35b8
4494ba81137d4fbad06b191f392cfbb90d31870a7584cd8dc2d8358d1a1bad84
4dd0a176ce6a71fe7680c2d0454874564c8d8fdd9edb330c473fb56aa2275507
8319ac8978ed747e7b39e3fe0210a7b49df634217a38fba56c0e65743d634622
8c134f0fdc3cf972dc7846cd39d8caa3ca20fb874ea8583221cf868eb08ffa99
0811449e8fe78213f52e656b7e2a926a0da64ad149a3e522aea10487c087ceb8
8fd4c66e2864ac0827a57b3fdb27a2a1adb28228969134bb1dd9971b07c7144f
f9e6524d84ac9ee9bae375246118dd5123a1d144a7a64d79f39be958ffd0a126
2f0677f3129fefcd9c91182e9b494868110d34da56055a98ab1264fb8f18a8ef
7e0623dbd4975ddc7790c45c9407527c048cb04727ddf757e70f7d5b702703fd
154aad6fa244bbbf1b7d740a3553c66d2bc10735a18641abeda60162fc1fcdc0
7c7cded8d1c0784881859ed03340d81c24ea9bf5d9972963cedf0e40b9856a0c
408e6e127e24828a7fd237ffa2e6bdf031847ff3a28bf4c6ed89a6c1fd7cfc7c
76468a50f8db3f099c2f6a0601ad5b4a2606568c83332a5dc0875428dc18c6d3
1925ddf975a0dd86f3b2cade044a1391420fd1be19a43a4d75c75d55aef7e495
d0a5a89efc24b65fc97c0bb78051d46c04c8470d295e6d8eeecbf61e520e197e
f51b97f6816ab443b5652bf340c562927152b27da26a08a04b4b79f7cebd655e
3cc5509318b88990ff3c137b65e94cfe0cc6759a16180c849584b0345b345ef1
f42503b4678644e3475344042dafa742e5f3d2d75a7c16409f10d7bcca17e028
1c4856a56c6b9b168d73deb0fcc740215455041edcf96f90d48d2f31726f7269
SH256 hash:
55f04c9f83b628e58e28a63ce9089519c7457ef52b9bb4504f73a5c97cad26ca
MD5 hash:
2ae3ccf18e3b056d3bc5bcec4ebe4d0a
SHA1 hash:
0f4c0070723fb6cfbedae0330536b4474cf8f946
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 55f04c9f83b628e58e28a63ce9089519c7457ef52b9bb4504f73a5c97cad26ca

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download

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_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::FindFirstVolumeA
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::WriteConsoleA
KERNEL32.dll::ReadConsoleOutputA
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasExesLengthW
KERNEL32.dll::GetConsoleAliasesW
KERNEL32.dll::GetConsoleOutputCP
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA
KERNEL32.dll::SetVolumeMountPointW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameA

Comments