MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2bf758ec68ee38fb0e7bc577e3f8f0e3be2da66e73ccfb1328b8da6a496840c9. 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: 2bf758ec68ee38fb0e7bc577e3f8f0e3be2da66e73ccfb1328b8da6a496840c9
SHA3-384 hash: e7ad8fc1f0f3e5cb3e90cf2c3e7ab8c7a2135df5e107c80a3af1cb8e5a1339ffb7feb12dd3cc9f78181ae14c7117f690
SHA1 hash: 8e3bbf0f0a899b8bb2eac42830081aff222a87a8
MD5 hash: 27fdfbc4a5388e3c43fb79d75ee2b048
humanhash: crazy-south-aspen-mexico
File name:27fdfbc4a5388e3c43fb79d75ee2b048.exe
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:176'640 bytes
First seen:2024-07-03 05:45:00 UTC
Last seen:2024-07-03 06:35:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash a2f98760372f92ec7255c044ca187eb8 (2 x Smoke Loader)
ssdeep 3072:1t50LNHDm3D6u39Efajf33A3lXhPtP5vtLgvl1KuU3:D50LNHDUD6uyA3AbDCvS7
Threatray 2'313 similar samples on MalwareBazaar
TLSH T1EE04375177F6D026FFF78B311A74A2941A3BBC637A7481AEA650324E0E33AD18D61713
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 9671e896ccd0d4cc (9 x Smoke Loader, 3 x Stealc, 2 x Tofsee)
Reporter abuse_ch
Tags:exe Smoke Loader

Intelligence

File Origin
# of uploads :
2
# of downloads :
366
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2bf758ec68ee38fb0e7bc577e3f8f0e3be2da66e73ccfb1328b8da6a496840c9.exe
Verdict:
Malicious activity
Analysis date:
2024-07-03 05:49:24 UTC
Tags:
loader smokeloader
Link:
https://app.any.run/tasks/283bfad0-71ab-4d3b-9f45-63d38380e3ae

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.BootkitX-gen.8210.2419.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
90.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6684e600655cbfe6fd97f2c5win10vpnfull_triage
Tags:
Smoke Loader
Result
Verdict:
Clean
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
epmicrosoft_visual_cc fingerprint microsoft_visual_cc packed smokeloader
Link:
https://www.filescan.io/uploads/6684e563eae3878d8f3c9cef/reports/db04490f-eb3a-4b3b-9b7d-7393427804b5/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/2bf758ec68ee38fb0e7bc577e3f8f0e3be2da66e73ccfb1328b8da6a496840c9
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/29d9ea0d-40ae-43b8-ad86-14c2c9e561dd
Result
Threat name:
LummaC, Poverty Stealer, SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1466592
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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)
Detected unpacking (creates a PE file in dynamic memory)
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 dropped file
Multi AV Scanner detection for submitted file
Query firmware table information (likely to detect VMs)
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1466592 Sample: LXbM8RbhLa.exe Startdate: 03/07/2024 Architecture: WINDOWS Score: 100 112 Found malware configuration 2->112 114 Malicious sample detected (through community Yara rule) 2->114 116 Antivirus detection for dropped file 2->116 118 11 other signatures 2->118 12 LXbM8RbhLa.exe 2->12         started        15 ervhhuc 2->15         started        process3 signatures4 152 Detected unpacking (changes PE section rights) 12->152 154 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 12->154 156 Maps a DLL or memory area into another process 12->156 17 explorer.exe 79 10 12->17 injected 158 Checks if the current machine is a virtual machine (disk enumeration) 15->158 160 Creates a thread in another existing process (thread injection) 15->160 162 Switches to a custom stack to bypass stack traces 15->162 process5 dnsIp6 94 201.110.238.249 UninetSAdeCVMX Mexico 17->94 96 185.68.16.7 UKRAINE-ASUA Ukraine 17->96 98 2 other IPs or domains 17->98 70 C:\Users\user\AppData\Roaming\ervhhuc, PE32 17->70 dropped 72 C:\Users\user\AppData\Local\TempDA0.exe, PE32 17->72 dropped 74 C:\Users\user\AppData\Local\Temp\C9EB.exe, PE32 17->74 dropped 76 2 other malicious files 17->76 dropped 120 System process connects to network (likely due to code injection or exploit) 17->120 122 Benign windows process drops PE files 17->122 124 Deletes itself after installation 17->124 126 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->126 22 C9EB.exe 3 35 17->22         started        26 A50C.exe 17->26         started        29 EDA0.exe 12 17->29         started        file7 signatures8 process9 dnsIp10 78 C:\Users\user\AppData\Local\Temp\setup.exe, PE32 22->78 dropped 80 C:\Users\user\AppData\Local\...\blowfish.dll, PE32 22->80 dropped 82 C:\Users\user\AppData\Local\...\huge[1].dat, PE32 22->82 dropped 84 2 other files (none is malicious) 22->84 dropped 134 Antivirus detection for dropped file 22->134 136 Multi AV Scanner detection for dropped file 22->136 31 setup.exe 112 22->31         started        104 188.114.96.3 CLOUDFLARENETUS European Union 26->104 138 Query firmware table information (likely to detect VMs) 26->138 140 Machine Learning detection for dropped file 26->140 142 Found many strings related to Crypto-Wallets (likely being stolen) 26->142 150 3 other signatures 26->150 106 146.70.169.164 TENET-1ZA United Kingdom 29->106 108 104.192.141.1 AMAZON-02US United States 29->108 144 Detected unpacking (creates a PE file in dynamic memory) 29->144 146 Found evasive API chain (may stop execution after checking mutex) 29->146 148 Tries to harvest and steal browser information (history, passwords, etc) 29->148 file11 signatures12 process13 file14 86 C:\Users\user\AppData\...\vulkan-1.dll, PE32 31->86 dropped 88 C:\Users\user\AppData\...\vk_swiftshader.dll, PE32 31->88 dropped 90 C:\Users\user\AppData\...\libGLESv2.dll, PE32 31->90 dropped 92 16 other files (13 malicious) 31->92 dropped 110 Antivirus detection for dropped file 31->110 35 GamePall.exe 31->35         started        signatures15 process16 dnsIp17 100 104.21.45.251 CLOUDFLARENETUS United States 35->100 128 Antivirus detection for dropped file 35->128 130 Multi AV Scanner detection for dropped file 35->130 132 Machine Learning detection for dropped file 35->132 39 GamePall.exe 35->39         started        41 GamePall.exe 35->41         started        44 GamePall.exe 35->44         started        46 5 other processes 35->46 signatures18 process19 dnsIp20 48 GamePall.exe 39->48         started        50 GamePall.exe 39->50         started        52 GamePall.exe 39->52         started        54 9 other processes 39->54 102 1.1.1.1 CLOUDFLARENETUS Australia 41->102 process21 process22 56 GamePall.exe 48->56         started        58 GamePall.exe 48->58         started        60 GamePall.exe 48->60         started        62 GamePall.exe 48->62         started        64 GamePall.exe 50->64         started        66 GamePall.exe 50->66         started        68 GamePall.exe 50->68         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/2bf758ec68ee38fb0e7bc577e3f8f0e3be2da66e73ccfb1328b8da6a496840c9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2bf758ec68ee38fb0e7bc577e3f8f0e3be2da66e73ccfb1328b8da6a496840c9/
Threat name:
Win32.Trojan.SmokeLoader
Create hunting rule
Status:
Malicious
First seen:
2024-07-02 23:14:43 UTC
File Type:
PE (Exe)
Extracted files:
19
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fp3vr3di5y4pwdt3yv36h6hq4o7c3jtoopgpwezixdngusliideq._file
Verdict:
malicious
Similar samples:
1efbc80ffd55c78287134a11add66b10bf7b2cd724913721a7f305d483050593
Smoke Loader
37e6e5d8b399fefb9ae774516ff6367e800c69a272e18a654bb84ccff2d7c67a
Smoke Loader
55f04c9f83b628e58e28a63ce9089519c7457ef52b9bb4504f73a5c97cad26ca
Smoke Loader
92d74f895798a56cdd1e0b416730e995eaa193ef2ed3fb7855936326019dd93d
Smoke Loader
cac7fc4ae9c97eba7455992b2d41449ee257ec485c562bfc7245a90033b1d774
Smoke Loader
dd6f8daddb7da0e8b9be526fc3aa9c5f0808fe6926ca7a9648464f9b4f8140e1
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ea3ee2e3e5558a8267f3f5093144debf3263b5d3dea1598fa59ef7bde043c2b9
Smoke Loader
+ 2'303 additional samples on MalwareBazaar
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader botnet:pub2 backdoor trojan
Link:
https://tria.ge/reports/240703-gfqb1szepg/
Behaviour
Checks SCSI registry key(s)
Program crash
SmokeLoader
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/c00d97b6-90ce-4827-9161-8ef652e4eb33
Unpacked files
SH256 hash:
71a037f50013ea3d027ca8e3705ff6af2d28bb2a990c668fa1d3cce14d16c67a
MD5 hash:
8076765b0ac9d281a4fa2c8f30808b26
SHA1 hash:
5edeee2a17b45bd4b11c1ba16b324a6e963bf3a1
Detections:
SmokeLoaderStage2
Create hunting rule
win_smokeloader_a2
Create hunting rule
Link:
https://www.unpac.me/results/03772f73-6cf8-4db7-8179-e3d0909925e1/
Parent samples :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 hash:
2bf758ec68ee38fb0e7bc577e3f8f0e3be2da66e73ccfb1328b8da6a496840c9
MD5 hash:
27fdfbc4a5388e3c43fb79d75ee2b048
SHA1 hash:
8e3bbf0f0a899b8bb2eac42830081aff222a87a8
Link:
https://www.unpac.me/results/03772f73-6cf8-4db7-8179-e3d0909925e1/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2bf758ec68ee/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/2bf758ec68ee38fb0e7bc577e3f8f0e3be2da66e73ccfb1328b8da6a496840c9

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 2bf758ec68ee38fb0e7bc577e3f8f0e3be2da66e73ccfb1328b8da6a496840c9

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2877963/
  
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::GetComputerNameW

Comments