Analysis
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max time kernel
150s -
max time network
135s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system -
submitted
12-04-2023 00:36
Static task
static1
Behavioral task
behavioral1
Sample
setup.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
setup.exe
Resource
win10v2004-20230221-en
General
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Target
setup.exe
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Size
213KB
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MD5
940237968e85e3f34682098e1f95eef5
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SHA1
37c341ff821201fb18ea7f7ab3cda742eaf3919a
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SHA256
2147281bf88d90435d098819cb2c4acd9a1704c05cfe0da74bd9d2833196f913
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SHA512
6450498e4de973159bd59c486e02731ffbe2919f01bcbd8ddef5f3de39b92b04a6820cb09ad82ed2c828a5752863e071711257b1b4d6aae710f807f4ee137c93
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SSDEEP
3072:huXN+USiwvdCGGcugKAS3N9VvdfaRbJdbDza7UANwiR5NRdy:Id+UQdCGWgKF9VloNdbPoZOiBRd
Malware Config
Extracted
smokeloader
sprg
Extracted
smokeloader
2022
http://hoh0aeghwugh2gie.com/
http://hie7doodohpae4na.com/
http://aek0aicifaloh1yo.com/
http://yic0oosaeiy7ahng.com/
http://wa5zu7sekai8xeih.com/
Extracted
vidar
3.4
e749025c61b2caca10aa829a9e1a65a1
https://steamcommunity.com/profiles/76561199494593681
https://t.me/auftriebs
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profile_id_v2
e749025c61b2caca10aa829a9e1a65a1
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user_agent
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:105.0) Gecko/20100101 Firefox/105.0
Extracted
laplas
http://185.106.92.74
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api_key
bc2dceabe69fa26dbf4dd8295d65e03e1990633a88c1c8410825c9266b239396
Signatures
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SmokeLoader
Modular backdoor trojan in use since 2014.
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Downloads MZ/PE file
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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation DAB5.exe Key value queried \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation 18145754564543845920.exe -
Executes dropped EXE 4 IoCs
pid Process 2428 DAB5.exe 4824 18145754564543845920.exe 3836 87680745526113053268.exe 1576 svcservice.exe -
Loads dropped DLL 2 IoCs
pid Process 2428 DAB5.exe 2428 DAB5.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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resource yara_rule behavioral2/files/0x000600000002316c-289.dat upx behavioral2/files/0x000600000002316c-293.dat upx behavioral2/files/0x000600000002316c-292.dat upx behavioral2/memory/3836-295-0x0000000000D10000-0x0000000001B73000-memory.dmp upx behavioral2/memory/3836-296-0x0000000000D10000-0x0000000001B73000-memory.dmp upx -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\telemetry = "C:\\Users\\Admin\\AppData\\Roaming\\telemetry\\svcservice.exe" 18145754564543845920.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
pid Process 4824 18145754564543845920.exe 4824 18145754564543845920.exe 1576 svcservice.exe 1576 svcservice.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 1 IoCs
pid pid_target Process procid_target 3492 2428 WerFault.exe 88 -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI setup.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI setup.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI setup.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 DAB5.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString DAB5.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 1844 timeout.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2700 setup.exe 2700 setup.exe 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3132 Process not Found -
Suspicious behavior: MapViewOfSection 19 IoCs
pid Process 2700 setup.exe 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found 3132 Process not Found -
Suspicious use of AdjustPrivilegeToken 8 IoCs
description pid Process Token: SeShutdownPrivilege 3132 Process not Found Token: SeCreatePagefilePrivilege 3132 Process not Found Token: SeShutdownPrivilege 3132 Process not Found Token: SeCreatePagefilePrivilege 3132 Process not Found Token: SeShutdownPrivilege 3132 Process not Found Token: SeCreatePagefilePrivilege 3132 Process not Found Token: SeShutdownPrivilege 3132 Process not Found Token: SeCreatePagefilePrivilege 3132 Process not Found -
Suspicious use of WriteProcessMemory 54 IoCs
description pid Process procid_target PID 3132 wrote to memory of 2428 3132 Process not Found 88 PID 3132 wrote to memory of 2428 3132 Process not Found 88 PID 3132 wrote to memory of 2428 3132 Process not Found 88 PID 3132 wrote to memory of 2236 3132 Process not Found 90 PID 3132 wrote to memory of 2236 3132 Process not Found 90 PID 3132 wrote to memory of 2236 3132 Process not Found 90 PID 3132 wrote to memory of 2236 3132 Process not Found 90 PID 3132 wrote to memory of 396 3132 Process not Found 91 PID 3132 wrote to memory of 396 3132 Process not Found 91 PID 3132 wrote to memory of 396 3132 Process not Found 91 PID 3132 wrote to memory of 3040 3132 Process not Found 92 PID 3132 wrote to memory of 3040 3132 Process not Found 92 PID 3132 wrote to memory of 3040 3132 Process not Found 92 PID 3132 wrote to memory of 3040 3132 Process not Found 92 PID 3132 wrote to memory of 2124 3132 Process not Found 93 PID 3132 wrote to memory of 2124 3132 Process not Found 93 PID 3132 wrote to memory of 2124 3132 Process not Found 93 PID 3132 wrote to memory of 1512 3132 Process not Found 94 PID 3132 wrote to memory of 1512 3132 Process not Found 94 PID 3132 wrote to memory of 1512 3132 Process not Found 94 PID 3132 wrote to memory of 1512 3132 Process not Found 94 PID 3132 wrote to memory of 2484 3132 Process not Found 95 PID 3132 wrote to memory of 2484 3132 Process not Found 95 PID 3132 wrote to memory of 2484 3132 Process not Found 95 PID 3132 wrote to memory of 2484 3132 Process not Found 95 PID 3132 wrote to memory of 872 3132 Process not Found 96 PID 3132 wrote to memory of 872 3132 Process not Found 96 PID 3132 wrote to memory of 872 3132 Process not Found 96 PID 3132 wrote to memory of 872 3132 Process not Found 96 PID 3132 wrote to memory of 3356 3132 Process not Found 97 PID 3132 wrote to memory of 3356 3132 Process not Found 97 PID 3132 wrote to memory of 3356 3132 Process not Found 97 PID 3132 wrote to memory of 4788 3132 Process not Found 98 PID 3132 wrote to memory of 4788 3132 Process not Found 98 PID 3132 wrote to memory of 4788 3132 Process not Found 98 PID 3132 wrote to memory of 4788 3132 Process not Found 98 PID 2428 wrote to memory of 4824 2428 DAB5.exe 99 PID 2428 wrote to memory of 4824 2428 DAB5.exe 99 PID 2428 wrote to memory of 4824 2428 DAB5.exe 99 PID 2428 wrote to memory of 3836 2428 DAB5.exe 101 PID 2428 wrote to memory of 3836 2428 DAB5.exe 101 PID 3836 wrote to memory of 3552 3836 87680745526113053268.exe 102 PID 3836 wrote to memory of 3552 3836 87680745526113053268.exe 102 PID 2428 wrote to memory of 2512 2428 DAB5.exe 103 PID 2428 wrote to memory of 2512 2428 DAB5.exe 103 PID 2428 wrote to memory of 2512 2428 DAB5.exe 103 PID 3552 wrote to memory of 2404 3552 cmd.exe 107 PID 3552 wrote to memory of 2404 3552 cmd.exe 107 PID 2512 wrote to memory of 1844 2512 cmd.exe 108 PID 2512 wrote to memory of 1844 2512 cmd.exe 108 PID 2512 wrote to memory of 1844 2512 cmd.exe 108 PID 4824 wrote to memory of 1576 4824 18145754564543845920.exe 110 PID 4824 wrote to memory of 1576 4824 18145754564543845920.exe 110 PID 4824 wrote to memory of 1576 4824 18145754564543845920.exe 110 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\setup.exe"C:\Users\Admin\AppData\Local\Temp\setup.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2700
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C:\Users\Admin\AppData\Local\Temp\DAB5.exeC:\Users\Admin\AppData\Local\Temp\DAB5.exe1⤵
- Checks computer location settings
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:2428 -
C:\ProgramData\18145754564543845920.exe"C:\ProgramData\18145754564543845920.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:4824 -
C:\Users\Admin\AppData\Roaming\telemetry\svcservice.exe"C:\Users\Admin\AppData\Roaming\telemetry\svcservice.exe"3⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:1576
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C:\ProgramData\87680745526113053268.exe"C:\ProgramData\87680745526113053268.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3836 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\87680745526113053268.exe3⤵
- Suspicious use of WriteProcessMemory
PID:3552 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 04⤵PID:2404
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\DAB5.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:2512 -
C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
PID:1844
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2428 -s 21002⤵
- Program crash
PID:3492
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:2236
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵PID:396
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:3040
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵PID:2124
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:1512
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:2484
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:872
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵PID:3356
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:4788
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2428 -ip 24281⤵PID:3848
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
7.2MB
MD5c5e0fb4ecaa8a7481a283099d604f7a0
SHA1df4b0c0cc823da2b0443076650c292b43dd9de33
SHA256c6c03e97c5de0c9eb264e4914d8c7f64d7e3528cc696f613e451a294262f3c42
SHA512375677d0cc802b09c7d1532d162a91a8eec4679f7639ef38dca9a9d3a03e20b3ab54707af7ffb138d00ec93ea4b34b6db0b33f365dc888ff9056c808a239bc57
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Filesize
7.2MB
MD5c5e0fb4ecaa8a7481a283099d604f7a0
SHA1df4b0c0cc823da2b0443076650c292b43dd9de33
SHA256c6c03e97c5de0c9eb264e4914d8c7f64d7e3528cc696f613e451a294262f3c42
SHA512375677d0cc802b09c7d1532d162a91a8eec4679f7639ef38dca9a9d3a03e20b3ab54707af7ffb138d00ec93ea4b34b6db0b33f365dc888ff9056c808a239bc57
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Filesize
7.2MB
MD5c5e0fb4ecaa8a7481a283099d604f7a0
SHA1df4b0c0cc823da2b0443076650c292b43dd9de33
SHA256c6c03e97c5de0c9eb264e4914d8c7f64d7e3528cc696f613e451a294262f3c42
SHA512375677d0cc802b09c7d1532d162a91a8eec4679f7639ef38dca9a9d3a03e20b3ab54707af7ffb138d00ec93ea4b34b6db0b33f365dc888ff9056c808a239bc57
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Filesize
4.3MB
MD5c4ab3149ef02a36d663699a8c541933e
SHA167088f5eff9ec575775b711c9e3650d12d7f4d5c
SHA2560a0fbd6af9e5d110118f02b87f9a92f9f58fb100f6d9883d55a6aae6c548b4ce
SHA51288b10f81b2cd273fefeffb4c2078807e89b4b756d50110b61e9f89092715f29ba8d1803f64bc971c1293dc624b92d0b7f05612ae661dd8d24e47d39047a4b7b4
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Filesize
4.3MB
MD5c4ab3149ef02a36d663699a8c541933e
SHA167088f5eff9ec575775b711c9e3650d12d7f4d5c
SHA2560a0fbd6af9e5d110118f02b87f9a92f9f58fb100f6d9883d55a6aae6c548b4ce
SHA51288b10f81b2cd273fefeffb4c2078807e89b4b756d50110b61e9f89092715f29ba8d1803f64bc971c1293dc624b92d0b7f05612ae661dd8d24e47d39047a4b7b4
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Filesize
4.3MB
MD5c4ab3149ef02a36d663699a8c541933e
SHA167088f5eff9ec575775b711c9e3650d12d7f4d5c
SHA2560a0fbd6af9e5d110118f02b87f9a92f9f58fb100f6d9883d55a6aae6c548b4ce
SHA51288b10f81b2cd273fefeffb4c2078807e89b4b756d50110b61e9f89092715f29ba8d1803f64bc971c1293dc624b92d0b7f05612ae661dd8d24e47d39047a4b7b4
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
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Filesize
322KB
MD5cafc8351bc21c41083793db0f57b6aa8
SHA18cb45d0e477aac3f7efdef9226c295a1fffde756
SHA25677cd68e6328a5b58a625e6190b56713e62b37db8fcae04d9b6f7021745c4603f
SHA5122fcff8f290c4c4c1ec5c33e7bad4db731d3a9f2106df92e8ceeaaf1ab6d4ada5957cee3b5e5f0cce2c5e2e8afb6f408e2fc37a437a77972950e49b489a2be514
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Filesize
322KB
MD5cafc8351bc21c41083793db0f57b6aa8
SHA18cb45d0e477aac3f7efdef9226c295a1fffde756
SHA25677cd68e6328a5b58a625e6190b56713e62b37db8fcae04d9b6f7021745c4603f
SHA5122fcff8f290c4c4c1ec5c33e7bad4db731d3a9f2106df92e8ceeaaf1ab6d4ada5957cee3b5e5f0cce2c5e2e8afb6f408e2fc37a437a77972950e49b489a2be514
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Filesize
719.2MB
MD5f211073633a3a800ba9d8668a6fa32e0
SHA115e85a39d6b97e8583084a7c38736f3f5669a014
SHA2563ba2f4592c8c7c3bd986694d939edff1a32dabd4ef648f66b0b44fcb7353bdb5
SHA512f82694629ed4bd7a27f47254a53a09f1e58f1aee21552e3a653757dc98a67e1066351d07c1ffd153510165cfb6585d036fa2f28e2b01d895d154580ceca719e5
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Filesize
719.2MB
MD5f211073633a3a800ba9d8668a6fa32e0
SHA115e85a39d6b97e8583084a7c38736f3f5669a014
SHA2563ba2f4592c8c7c3bd986694d939edff1a32dabd4ef648f66b0b44fcb7353bdb5
SHA512f82694629ed4bd7a27f47254a53a09f1e58f1aee21552e3a653757dc98a67e1066351d07c1ffd153510165cfb6585d036fa2f28e2b01d895d154580ceca719e5