Analysis
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max time kernel
150s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
12-04-2023 20:04
Static task
static1
Behavioral task
behavioral1
Sample
e3f7ed5592973622f15cd7bde4d5f5444414f453e96674f3ec083fadcd8791d1.exe
Resource
win10v2004-20230220-en
General
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Target
e3f7ed5592973622f15cd7bde4d5f5444414f453e96674f3ec083fadcd8791d1.exe
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Size
354KB
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MD5
9cf93ec063e27bc546275cbb30c928cd
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SHA1
e44de0f2db1ea4c212fd24862dcef41a72083ef6
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SHA256
e3f7ed5592973622f15cd7bde4d5f5444414f453e96674f3ec083fadcd8791d1
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SHA512
35738373f86f6af6b51b2f70d98f544d929de9cb3d463778304c0d4eebe3dfbc9ce424f7c1b2ad8b3b45098acdd594b5574609e5be2f64dbdff67364d9f292c6
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SSDEEP
6144:zWTKPr1ZehXwZWopUSX12KjT4nEMIlPI52GoCV+E:zWwxUwZWoplX1BTYErCVr
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-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation D74A.exe Key value queried \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation 35257600629440478784.exe -
Executes dropped EXE 4 IoCs
pid Process 4484 D74A.exe 4280 35257600629440478784.exe 4524 32372314296364518244.exe 3464 svcservice.exe -
Loads dropped DLL 2 IoCs
pid Process 4484 D74A.exe 4484 D74A.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 behavioral1/files/0x00020000000225be-252.dat upx behavioral1/files/0x00020000000225be-255.dat upx behavioral1/files/0x00020000000225be-254.dat upx behavioral1/memory/4524-259-0x0000000000A90000-0x00000000018F3000-memory.dmp upx behavioral1/memory/4524-260-0x0000000000A90000-0x00000000018F3000-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-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\telemetry = "C:\\Users\\Admin\\AppData\\Roaming\\telemetry\\svcservice.exe" 35257600629440478784.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 4280 35257600629440478784.exe 4280 35257600629440478784.exe 3464 svcservice.exe 3464 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 3092 4484 WerFault.exe 90 -
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 e3f7ed5592973622f15cd7bde4d5f5444414f453e96674f3ec083fadcd8791d1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI e3f7ed5592973622f15cd7bde4d5f5444414f453e96674f3ec083fadcd8791d1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI e3f7ed5592973622f15cd7bde4d5f5444414f453e96674f3ec083fadcd8791d1.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 D74A.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString D74A.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 1120 timeout.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4360 e3f7ed5592973622f15cd7bde4d5f5444414f453e96674f3ec083fadcd8791d1.exe 4360 e3f7ed5592973622f15cd7bde4d5f5444414f453e96674f3ec083fadcd8791d1.exe 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2780 Process not Found -
Suspicious behavior: MapViewOfSection 19 IoCs
pid Process 4360 e3f7ed5592973622f15cd7bde4d5f5444414f453e96674f3ec083fadcd8791d1.exe 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found 2780 Process not Found -
Suspicious use of AdjustPrivilegeToken 8 IoCs
description pid Process Token: SeShutdownPrivilege 2780 Process not Found Token: SeCreatePagefilePrivilege 2780 Process not Found Token: SeShutdownPrivilege 2780 Process not Found Token: SeCreatePagefilePrivilege 2780 Process not Found Token: SeShutdownPrivilege 2780 Process not Found Token: SeCreatePagefilePrivilege 2780 Process not Found Token: SeShutdownPrivilege 2780 Process not Found Token: SeCreatePagefilePrivilege 2780 Process not Found -
Suspicious use of WriteProcessMemory 54 IoCs
description pid Process procid_target PID 2780 wrote to memory of 4484 2780 Process not Found 90 PID 2780 wrote to memory of 4484 2780 Process not Found 90 PID 2780 wrote to memory of 4484 2780 Process not Found 90 PID 4484 wrote to memory of 4280 4484 D74A.exe 92 PID 4484 wrote to memory of 4280 4484 D74A.exe 92 PID 4484 wrote to memory of 4280 4484 D74A.exe 92 PID 4484 wrote to memory of 4524 4484 D74A.exe 94 PID 4484 wrote to memory of 4524 4484 D74A.exe 94 PID 4524 wrote to memory of 4720 4524 32372314296364518244.exe 95 PID 4524 wrote to memory of 4720 4524 32372314296364518244.exe 95 PID 4720 wrote to memory of 3052 4720 cmd.exe 97 PID 4720 wrote to memory of 3052 4720 cmd.exe 97 PID 4484 wrote to memory of 2832 4484 D74A.exe 98 PID 4484 wrote to memory of 2832 4484 D74A.exe 98 PID 4484 wrote to memory of 2832 4484 D74A.exe 98 PID 2832 wrote to memory of 1120 2832 cmd.exe 101 PID 2832 wrote to memory of 1120 2832 cmd.exe 101 PID 2832 wrote to memory of 1120 2832 cmd.exe 101 PID 2780 wrote to memory of 3112 2780 Process not Found 104 PID 2780 wrote to memory of 3112 2780 Process not Found 104 PID 2780 wrote to memory of 3112 2780 Process not Found 104 PID 2780 wrote to memory of 3112 2780 Process not Found 104 PID 2780 wrote to memory of 4296 2780 Process not Found 105 PID 2780 wrote to memory of 4296 2780 Process not Found 105 PID 2780 wrote to memory of 4296 2780 Process not Found 105 PID 2780 wrote to memory of 3892 2780 Process not Found 106 PID 2780 wrote to memory of 3892 2780 Process not Found 106 PID 2780 wrote to memory of 3892 2780 Process not Found 106 PID 2780 wrote to memory of 3892 2780 Process not Found 106 PID 2780 wrote to memory of 3420 2780 Process not Found 107 PID 2780 wrote to memory of 3420 2780 Process not Found 107 PID 2780 wrote to memory of 3420 2780 Process not Found 107 PID 2780 wrote to memory of 4292 2780 Process not Found 108 PID 2780 wrote to memory of 4292 2780 Process not Found 108 PID 2780 wrote to memory of 4292 2780 Process not Found 108 PID 2780 wrote to memory of 4292 2780 Process not Found 108 PID 4280 wrote to memory of 3464 4280 35257600629440478784.exe 103 PID 4280 wrote to memory of 3464 4280 35257600629440478784.exe 103 PID 4280 wrote to memory of 3464 4280 35257600629440478784.exe 103 PID 2780 wrote to memory of 1372 2780 Process not Found 109 PID 2780 wrote to memory of 1372 2780 Process not Found 109 PID 2780 wrote to memory of 1372 2780 Process not Found 109 PID 2780 wrote to memory of 1372 2780 Process not Found 109 PID 2780 wrote to memory of 2072 2780 Process not Found 110 PID 2780 wrote to memory of 2072 2780 Process not Found 110 PID 2780 wrote to memory of 2072 2780 Process not Found 110 PID 2780 wrote to memory of 2072 2780 Process not Found 110 PID 2780 wrote to memory of 536 2780 Process not Found 111 PID 2780 wrote to memory of 536 2780 Process not Found 111 PID 2780 wrote to memory of 536 2780 Process not Found 111 PID 2780 wrote to memory of 2356 2780 Process not Found 112 PID 2780 wrote to memory of 2356 2780 Process not Found 112 PID 2780 wrote to memory of 2356 2780 Process not Found 112 PID 2780 wrote to memory of 2356 2780 Process not Found 112 -
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\e3f7ed5592973622f15cd7bde4d5f5444414f453e96674f3ec083fadcd8791d1.exe"C:\Users\Admin\AppData\Local\Temp\e3f7ed5592973622f15cd7bde4d5f5444414f453e96674f3ec083fadcd8791d1.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4360
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C:\Users\Admin\AppData\Local\Temp\D74A.exeC:\Users\Admin\AppData\Local\Temp\D74A.exe1⤵
- Checks computer location settings
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:4484 -
C:\ProgramData\35257600629440478784.exe"C:\ProgramData\35257600629440478784.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:4280 -
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:3464
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C:\ProgramData\32372314296364518244.exe"C:\ProgramData\32372314296364518244.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4524 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\32372314296364518244.exe3⤵
- Suspicious use of WriteProcessMemory
PID:4720 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 04⤵PID:3052
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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\D74A.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:2832 -
C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
PID:1120
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4484 -s 9042⤵
- Program crash
PID:3092
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 4484 -ip 44841⤵PID:1608
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:3112
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵PID:4296
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:3892
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵PID:3420
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:4292
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:1372
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:2072
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵PID:536
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:2356
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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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
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
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
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Filesize
473KB
MD53ec42428dc1b2a74ebc6bcbb3535e1c6
SHA1ef661756a0e227099c3f4605f2c40c40415ee0ca
SHA25610693518407261cb6d1cae5bd3ad6aa3309e0a6ac1170cc9592a3ed29e3303b3
SHA51298d05c60f0d92b04b6cc7638469e0e2793b40551afdd64c11f802f611bf8ddbcc54ea3ca6f75f558496905e87c8779d132cbe7e6cc9408727ac832451dc574ca
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Filesize
473KB
MD53ec42428dc1b2a74ebc6bcbb3535e1c6
SHA1ef661756a0e227099c3f4605f2c40c40415ee0ca
SHA25610693518407261cb6d1cae5bd3ad6aa3309e0a6ac1170cc9592a3ed29e3303b3
SHA51298d05c60f0d92b04b6cc7638469e0e2793b40551afdd64c11f802f611bf8ddbcc54ea3ca6f75f558496905e87c8779d132cbe7e6cc9408727ac832451dc574ca
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Filesize
739.2MB
MD5d64732050ede85c5c7d15729d860aa9d
SHA11fdd905cee6bffe235da9a1db8a3be86ab4b500c
SHA2562b055df50a3a7d10ac1a429ebcec20337013d021e2238c7445eb38d5ca0bb0bc
SHA512f8a5e2446e687b0ba4fde773b3ddbaac2c0e481de6f8f2ab5ff78d4c610ee7041a9551d514eb2b02b3577ff5d00c6e768dbb3d4af89dbc5c36682a3959274e24
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Filesize
739.2MB
MD5d64732050ede85c5c7d15729d860aa9d
SHA11fdd905cee6bffe235da9a1db8a3be86ab4b500c
SHA2562b055df50a3a7d10ac1a429ebcec20337013d021e2238c7445eb38d5ca0bb0bc
SHA512f8a5e2446e687b0ba4fde773b3ddbaac2c0e481de6f8f2ab5ff78d4c610ee7041a9551d514eb2b02b3577ff5d00c6e768dbb3d4af89dbc5c36682a3959274e24