MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1e7fb39c52ba502920d98374e0cdf8a2447c737bd0b88c06839e81be3a751688. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1e7fb39c52ba502920d98374e0cdf8a2447c737bd0b88c06839e81be3a751688
SHA3-384 hash: a8ae36b8d6ad982ac15494c3b042056c611f4670421cccb65402f883005aa88980a03d4cc71cf2f879451ca1d1a5247a
SHA1 hash: 00eab66887ff6ff4d6325d8a0e74adb624faf6de
MD5 hash: 1409b5a7ac2a6be45fa954730b058da4
humanhash: three-lima-spring-whiskey
File name:1409b5a7ac2a6be45fa954730b058da4.exe
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:216'064 bytes
First seen:2024-07-01 09:39:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 8e7bd8110819d537a004b803ccf06ec4 (1 x Smoke Loader)
ssdeep 3072:SIJoMdlOBVvu8OnD7F7CE4BOe3uqHh+JJGmkx8:/dlOrvg0E4wQQJ2
Threatray 2'301 similar samples on MalwareBazaar
TLSH T19224CFC9B2E1D436D8A75A30AC38C2F53936BCB29765858B77483F6F3C722C15925362
TrID 37.3% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
15.9% (.EXE) Win32 Executable (generic) (4504/4/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 040406090c183000 (1 x Smoke Loader)
Reporter abuse_ch
Tags:Dofoil exe Smoke Loader

Intelligence

File Origin
# of uploads :
1
# of downloads :
431
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Win.Packer.pkr_ce1a-9980177-0
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=668279bebba6ccecd93a0ffbwin10vpnfull_triage
Tags:
Network Stealth Zpack
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
DNS request
Connection attempt
Connection attempt to an infection source
Query of malicious DNS domain
Enabling autorun by creating a file
Sending an HTTP POST request to an infection source
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/1e7fb39c52ba502920d98374e0cdf8a2447c737bd0b88c06839e81be3a751688
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/a9a980b2-2331-462b-82ef-9e8e86722e94
Result
Threat name:
LummaC, SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1465150
Signature
AI detected suspicious 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)
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Yara detected LummaC Stealer
Yara detected SmokeLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1465150 Sample: NhWAWEhCi7.exe Startdate: 01/07/2024 Architecture: WINDOWS Score: 100 106 Found malware configuration 2->106 108 Malicious sample detected (through community Yara rule) 2->108 110 Antivirus detection for dropped file 2->110 112 8 other signatures 2->112 12 NhWAWEhCi7.exe 2->12         started        15 bbehcjh 2->15         started        process3 signatures4 140 Detected unpacking (changes PE section rights) 12->140 142 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 12->142 144 Maps a DLL or memory area into another process 12->144 146 Switches to a custom stack to bypass stack traces 12->146 17 explorer.exe 51 8 12->17 injected 148 Machine Learning detection for dropped file 15->148 150 Checks if the current machine is a virtual machine (disk enumeration) 15->150 152 Creates a thread in another existing process (thread injection) 15->152 process5 dnsIp6 92 141.8.192.6 SPRINTHOSTRU Russian Federation 17->92 94 189.61.54.32 CLAROSABR Brazil 17->94 96 127.0.0.127 unknown unknown 17->96 68 C:\Users\user\AppData\Roaming\bbehcjh, PE32 17->68 dropped 70 C:\Users\user\AppData\Local\Temp\D57C.exe, PE32 17->70 dropped 72 C:\Users\user\AppData\Local\Temp\9FC5.exe, PE32 17->72 dropped 74 C:\Users\user\...\bbehcjh:Zone.Identifier, ASCII 17->74 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 D57C.exe 3 35 17->22         started        26 9FC5.exe 17->26         started        file7 signatures8 process9 dnsIp10 76 C:\Users\user\AppData\Local\Temp\setup.exe, PE32 22->76 dropped 78 C:\Users\user\AppData\Local\...\blowfish.dll, PE32 22->78 dropped 80 C:\Users\user\AppData\Local\...\huge[1].dat, PE32 22->80 dropped 82 2 other files (none is malicious) 22->82 dropped 128 Antivirus detection for dropped file 22->128 130 Multi AV Scanner detection for dropped file 22->130 29 setup.exe 9 112 22->29         started        104 188.114.97.3 CLOUDFLARENETUS European Union 26->104 132 Query firmware table information (likely to detect VMs) 26->132 134 Machine Learning detection for dropped file 26->134 136 Found many strings related to Crypto-Wallets (likely being stolen) 26->136 138 4 other signatures 26->138 file11 signatures12 process13 file14 84 C:\Users\user\AppData\...\vulkan-1.dll, PE32 29->84 dropped 86 C:\Users\user\AppData\...\vk_swiftshader.dll, PE32 29->86 dropped 88 C:\Users\user\AppData\...\libGLESv2.dll, PE32 29->88 dropped 90 16 other files (13 malicious) 29->90 dropped 154 Antivirus detection for dropped file 29->154 33 GamePall.exe 17 23 29->33         started        signatures15 process16 dnsIp17 98 172.67.221.174 CLOUDFLARENETUS United States 33->98 114 Antivirus detection for dropped file 33->114 116 Multi AV Scanner detection for dropped file 33->116 118 Machine Learning detection for dropped file 33->118 37 GamePall.exe 33->37         started        39 GamePall.exe 33->39         started        42 GamePall.exe 33->42         started        44 6 other processes 33->44 signatures18 process19 dnsIp20 46 GamePall.exe 37->46         started        48 GamePall.exe 37->48         started        50 GamePall.exe 37->50         started        52 10 other processes 37->52 100 139.45.197.238 RETN-ASEU Netherlands 39->100 102 1.1.1.1 CLOUDFLARENETUS Australia 39->102 process21 process22 54 GamePall.exe 46->54         started        56 GamePall.exe 46->56         started        58 GamePall.exe 46->58         started        60 GamePall.exe 46->60         started        62 GamePall.exe 48->62         started        64 GamePall.exe 48->64         started        66 GamePall.exe 48->66         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1e7fb39c52ba502920d98374e0cdf8a2447c737bd0b88c06839e81be3a751688
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1e7fb39c52ba502920d98374e0cdf8a2447c737bd0b88c06839e81be3a751688/
Threat name:
Win32.Trojan.Operaloader
Create hunting rule
Status:
Malicious
First seen:
2024-06-29 15:48:12 UTC
File Type:
PE (Exe)
Extracted files:
17
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dz73hhcsxjicsigzqn2obtpyujchy4332c4iybudt2a34otvc2ea._file
Verdict:
malicious
Similar samples:
083c9a8679034f65137bce38b2f1db98225a8d1f18dc351ee4d5adfc464fa72b
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1e7fb39c52ba502920d98374e0cdf8a2447c737bd0b88c06839e81be3a751688
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1efbc80ffd55c78287134a11add66b10bf7b2cd724913721a7f305d483050593
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4f6b05e7e7c2c51a1cf5569a47a8bf31f8d452359f5a37bcecd36ef3f852c858
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91e8fd048fb5df071ba6e3d7917edcb53122d9cbd9e57dcf4b5e50c72d575c7a
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968ac4fee13725e122fd677c971dfada4e73d77e367be94cbf59af97872afaeb
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b6c6e0ed6e5aa62baec8de42d2d8fee52df072c6a2b33530fbf8bc73d36309a9
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f79fad860397942a2d808e1d2b5601f7d3b2af5057195507b782d797be07f301
Smoke Loader
+ 2'291 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/240701-lm7l4athla/
Behaviour
Checks SCSI registry key(s)
Program crash
SmokeLoader
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/bd79b0c0-2f90-4c7c-9f88-2d2651f2f314
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/5a148002-8ef5-4fd5-8710-a5756207a7e2/
Parent samples :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 hash:
1e7fb39c52ba502920d98374e0cdf8a2447c737bd0b88c06839e81be3a751688
MD5 hash:
1409b5a7ac2a6be45fa954730b058da4
SHA1 hash:
00eab66887ff6ff4d6325d8a0e74adb624faf6de
Link:
https://www.unpac.me/results/5a148002-8ef5-4fd5-8710-a5756207a7e2/
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/1e7fb39c52ba502920d98374e0cdf8a2447c737bd0b88c06839e81be3a751688

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
Rule name:SEH__vectored
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 1e7fb39c52ba502920d98374e0cdf8a2447c737bd0b88c06839e81be3a751688

(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_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AreAllAccessesGranted
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetDiskFreeSpaceA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::AssignProcessToJobObject
KERNEL32.dll::GetConsoleAliasesLengthW
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::ReplaceFileA
KERNEL32.dll::GetWindowsDirectoryA

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