MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b87126fd409621a4d510dda005cd84e254d491274661cf22238b271412ff860b. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b87126fd409621a4d510dda005cd84e254d491274661cf22238b271412ff860b
SHA3-384 hash: d7d138ff2dc7f0db00fc608c2542491c74dcda13ae823353be28af5a3f54b675cf1e8b9412a4e539ad5aa119767ea906
SHA1 hash: b026ad1bbd93ba9f30776c823d3c9c954dd9f975
MD5 hash: 794107dd168bd98d7c9f65a9f693a07e
humanhash: failed-black-yankee-xray
File name:file
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:190'464 bytes
First seen:2024-07-04 09:29:27 UTC
Last seen:2024-07-04 09:43:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 4e95ddf93ca5962bf8da1a69883e9333 (1 x Smoke Loader)
ssdeep 3072:5wvqgs5T+ozfo2Razv19yju8nOnK39XNge8bJ6FY71:5wXeT+a3RazG60VNge8bGY
Threatray 2'325 similar samples on MalwareBazaar
TLSH T1EA14D01176E18076E1B389315DB0D6B25D7F7C736B7581ABE38C1A2E2EA16C046F8363
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 0810022950904000 (1 x Smoke Loader)
Reporter Bitsight
Tags:exe Smoke Loader


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

Intelligence

File Origin
# of uploads :
6
# of downloads :
413
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b87126fd409621a4d510dda005cd84e254d491274661cf22238b271412ff860b.exe
Verdict:
Malicious activity
Analysis date:
2024-07-04 09:30:57 UTC
Tags:
loader smokeloader
Link:
https://app.any.run/tasks/2ec9a6dd-65f4-45d8-9129-54ed109949ee

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

Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66866c0294b35ad6fbebc8b5win10vpnfull_triage
Tags:
Network Stealth
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Connection attempt to an infection source
DNS request
Query of malicious DNS domain
Unauthorized injection to a system process
Enabling autorun by creating a file
Sending an HTTP POST request to an infection source
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/b87126fd409621a4d510dda005cd84e254d491274661cf22238b271412ff860b
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:
Suspicious
Link:
https://analyze.intezer.com/analyses/83c85bf6-7f88-4c45-8558-2f63c04884b2
Result
Threat name:
SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1467515
Signature
AI detected suspicious 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 malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
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)
Yara detected SmokeLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1467515 Sample: file.exe Startdate: 04/07/2024 Architecture: WINDOWS Score: 100 96 Multi AV Scanner detection for domain / URL 2->96 98 Found malware configuration 2->98 100 Malicious sample detected (through community Yara rule) 2->100 102 8 other signatures 2->102 12 file.exe 2->12         started        15 gujascb 2->15         started        process3 signatures4 118 Detected unpacking (changes PE section rights) 12->118 120 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 12->120 122 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 12->122 130 2 other signatures 12->130 17 explorer.exe 88 6 12->17 injected 124 Machine Learning detection for dropped file 15->124 126 Maps a DLL or memory area into another process 15->126 128 Checks if the current machine is a virtual machine (disk enumeration) 15->128 process5 dnsIp6 88 78.89.199.216 WATANIYATELECOM-ASKW Kuwait 17->88 90 137.74.196.132 OVHFR France 17->90 92 3 other IPs or domains 17->92 66 C:\Users\user\AppData\Roaming\gujascb, PE32 17->66 dropped 68 C:\Users\user\AppData\Local\Temp\39FF.exe, PE32 17->68 dropped 70 C:\Users\user\...\gujascb:Zone.Identifier, ASCII 17->70 dropped 104 System process connects to network (likely due to code injection or exploit) 17->104 106 Benign windows process drops PE files 17->106 108 Deletes itself after installation 17->108 110 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->110 22 39FF.exe 3 35 17->22         started        file7 signatures8 process9 file10 72 C:\Users\user\AppData\Local\Temp\setup.exe, PE32 22->72 dropped 74 C:\Users\user\AppData\Local\...\blowfish.dll, PE32 22->74 dropped 76 C:\Users\user\AppData\Local\...\huge[1].dat, PE32 22->76 dropped 78 2 other files (none is malicious) 22->78 dropped 112 Antivirus detection for dropped file 22->112 114 Multi AV Scanner detection for dropped file 22->114 26 setup.exe 9 112 22->26         started        signatures11 process12 file13 80 C:\Users\user\AppData\...\vulkan-1.dll, PE32 26->80 dropped 82 C:\Users\user\AppData\...\vk_swiftshader.dll, PE32 26->82 dropped 84 C:\Users\user\AppData\...\libGLESv2.dll, PE32 26->84 dropped 86 16 other files (13 malicious) 26->86 dropped 116 Antivirus detection for dropped file 26->116 30 GamePall.exe 18 22 26->30         started        signatures14 process15 dnsIp16 94 104.21.45.251 CLOUDFLARENETUS United States 30->94 132 Antivirus detection for dropped file 30->132 134 Machine Learning detection for dropped file 30->134 34 GamePall.exe 30->34         started        36 GamePall.exe 2 30->36         started        38 GamePall.exe 30->38         started        40 6 other processes 30->40 signatures17 process18 process19 42 GamePall.exe 34->42         started        44 GamePall.exe 34->44         started        46 GamePall.exe 34->46         started        48 9 other processes 34->48 process20 50 GamePall.exe 42->50         started        52 GamePall.exe 42->52         started        54 GamePall.exe 42->54         started        56 GamePall.exe 42->56         started        58 GamePall.exe 44->58         started        60 GamePall.exe 44->60         started        62 GamePall.exe 44->62         started        64 GamePall.exe 46->64         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b87126fd409621a4d510dda005cd84e254d491274661cf22238b271412ff860b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b87126fd409621a4d510dda005cd84e254d491274661cf22238b271412ff860b/
Threat name:
Win32.Trojan.SmokeLoader
Create hunting rule
Status:
Malicious
First seen:
2024-07-04 09:30:05 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xbysn7kasyq2jviq3wqaltme4jknjejhizq46irdrmtriex7qyfq._file
Verdict:
malicious
Similar samples:
0004d851f92bfea425f064b898e7668d84a26e12954785ce0ec3b62ff2e34d46
Smoke Loader
02eb002f33af51183396e8406bc7518c01c4b2f3b326d227fef6bc7e3c8fd1a6
Smoke Loader
247eb6cc11d0a92ac985fb99c19dcfe4779878f4989764b8ced06727820ff57c
Smoke Loader
50ca2730d4feb93b8d6cf986a86b34912d83c10dd7d7259d3538d415c904af73
Smoke Loader
5c88a340b3b0502c9777fe6159f01d66875341dc739e23a56a21ee18479890f2
Smoke Loader
a73ee8f46c7caf4da7ea6a92dc0a11d58757a83e1b5b9c3723b49690fc238271
Smoke Loader
e629fcf41de2187cafd4c8c38b1e9408a5c521d29459971bb96fae5da26fa9d5
Smoke Loader
f518307808486c2718cd6b83e4e5f012e3531c8d352abd6d51b7311fcfa2c28c
Smoke Loader
f662b3ef913a9bfb62cb970e6f8f8e81ad75b21deaccffc01cbc1390f34e776e
Smoke Loader
+ 2'315 additional samples on MalwareBazaar
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader botnet:pub1 backdoor trojan
Link:
https://tria.ge/reports/240704-lgf7ysthlj/
Behaviour
Checks SCSI registry key(s)
Program crash
SmokeLoader
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/902df6f1-5cc8-48ba-a5c2-b589d5be355e
Unpacked files
SH256 hash:
a2a36aa824eb663bbe7478f50d432d2efd2006472cdfe8842bd83e4ca4f04666
MD5 hash:
1248480e0503c6749983403134d42b7d
SHA1 hash:
2b47694311b48245f2883cd50b955b6f38f3a3b2
Detections:
SmokeLoaderStage2
Create hunting rule
win_smokeloader_a2
Create hunting rule
Link:
https://www.unpac.me/results/440bc030-1b6e-4a2e-bdec-7ac86e41e4c3/
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:
b87126fd409621a4d510dda005cd84e254d491274661cf22238b271412ff860b
MD5 hash:
794107dd168bd98d7c9f65a9f693a07e
SHA1 hash:
b026ad1bbd93ba9f30776c823d3c9c954dd9f975
Link:
https://www.unpac.me/results/440bc030-1b6e-4a2e-bdec-7ac86e41e4c3/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b87126fd4096/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/b87126fd409621a4d510dda005cd84e254d491274661cf22238b271412ff860b

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 b87126fd409621a4d510dda005cd84e254d491274661cf22238b271412ff860b

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2918611/
  
URLhaus
https://urlhaus.abuse.ch/url/2905610/
  
URLhaus
https://urlhaus.abuse.ch/url/2919745/

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
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleInputA
KERNEL32.dll::GetConsoleAliasesLengthW
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileA
KERNEL32.dll::ReplaceFileA
KERNEL32.dll::GetWindowsDirectoryW
WIN_HTTP_APIUses HTTP servicesWINHTTP.dll::WinHttpCheckPlatform
WINHTTP.dll::WinHttpWriteData

Comments