Analysis
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max time kernel
152s -
max time network
133s -
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 18:09
Static task
static1
Behavioral task
behavioral1
Sample
13851ea297fba43e14ad3bb5e7c85e05350c7973a5b6e3dbc4eed47c11166755.exe
Resource
win10v2004-20230220-en
General
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Target
13851ea297fba43e14ad3bb5e7c85e05350c7973a5b6e3dbc4eed47c11166755.exe
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Size
352KB
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MD5
88dc3c8a8062d89f576363154fa3204f
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SHA1
b853c2b769c8ff70ad6bd86094a2ff5d5879997c
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SHA256
13851ea297fba43e14ad3bb5e7c85e05350c7973a5b6e3dbc4eed47c11166755
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SHA512
fd53960987ab60510ac153be71dd0028cb9826f9cdfd25b73a9b9ff9dd55715ebac94bedd398bf6e3e47c4da907ebc1d36fa562205a22b32f008e4a58fa39d31
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SSDEEP
6144:5Ulr1wiUAfZ8zJFYDKOLoU2Jg4iJnfCV+E:5UV1wivZ8zJFWaJg48CVr
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-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation DE20.exe Key value queried \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation 39900965605214374538.exe -
Executes dropped EXE 5 IoCs
pid Process 1624 guccrwt 1540 DE20.exe 4260 39900965605214374538.exe 3944 10074406617181285279.exe 4780 svcservice.exe -
Loads dropped DLL 2 IoCs
pid Process 1540 DE20.exe 1540 DE20.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/0x0006000000023144-308.dat upx behavioral1/files/0x0006000000023144-312.dat upx behavioral1/files/0x0006000000023144-311.dat upx behavioral1/memory/3944-316-0x0000000000510000-0x0000000001373000-memory.dmp upx behavioral1/memory/3944-336-0x0000000000510000-0x0000000001373000-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-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\telemetry = "C:\\Users\\Admin\\AppData\\Roaming\\telemetry\\svcservice.exe" 39900965605214374538.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 4260 39900965605214374538.exe 4260 39900965605214374538.exe 4780 svcservice.exe 4780 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 2648 1540 WerFault.exe 91 -
Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI guccrwt Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI guccrwt Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 13851ea297fba43e14ad3bb5e7c85e05350c7973a5b6e3dbc4eed47c11166755.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 13851ea297fba43e14ad3bb5e7c85e05350c7973a5b6e3dbc4eed47c11166755.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 13851ea297fba43e14ad3bb5e7c85e05350c7973a5b6e3dbc4eed47c11166755.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI guccrwt -
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 DE20.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString DE20.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 1452 timeout.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4432 13851ea297fba43e14ad3bb5e7c85e05350c7973a5b6e3dbc4eed47c11166755.exe 4432 13851ea297fba43e14ad3bb5e7c85e05350c7973a5b6e3dbc4eed47c11166755.exe 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3128 Process not Found -
Suspicious behavior: MapViewOfSection 20 IoCs
pid Process 4432 13851ea297fba43e14ad3bb5e7c85e05350c7973a5b6e3dbc4eed47c11166755.exe 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 1624 guccrwt 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found 3128 Process not Found -
Suspicious use of AdjustPrivilegeToken 16 IoCs
description pid Process Token: SeShutdownPrivilege 3128 Process not Found Token: SeCreatePagefilePrivilege 3128 Process not Found Token: SeShutdownPrivilege 3128 Process not Found Token: SeCreatePagefilePrivilege 3128 Process not Found Token: SeShutdownPrivilege 3128 Process not Found Token: SeCreatePagefilePrivilege 3128 Process not Found Token: SeShutdownPrivilege 3128 Process not Found Token: SeCreatePagefilePrivilege 3128 Process not Found Token: SeShutdownPrivilege 3128 Process not Found Token: SeCreatePagefilePrivilege 3128 Process not Found Token: SeShutdownPrivilege 3128 Process not Found Token: SeCreatePagefilePrivilege 3128 Process not Found Token: SeShutdownPrivilege 3128 Process not Found Token: SeCreatePagefilePrivilege 3128 Process not Found Token: SeShutdownPrivilege 3128 Process not Found Token: SeCreatePagefilePrivilege 3128 Process not Found -
Suspicious use of WriteProcessMemory 54 IoCs
description pid Process procid_target PID 3128 wrote to memory of 1540 3128 Process not Found 91 PID 3128 wrote to memory of 1540 3128 Process not Found 91 PID 3128 wrote to memory of 1540 3128 Process not Found 91 PID 3128 wrote to memory of 4592 3128 Process not Found 93 PID 3128 wrote to memory of 4592 3128 Process not Found 93 PID 3128 wrote to memory of 4592 3128 Process not Found 93 PID 3128 wrote to memory of 4592 3128 Process not Found 93 PID 3128 wrote to memory of 1028 3128 Process not Found 94 PID 3128 wrote to memory of 1028 3128 Process not Found 94 PID 3128 wrote to memory of 1028 3128 Process not Found 94 PID 3128 wrote to memory of 2644 3128 Process not Found 95 PID 3128 wrote to memory of 2644 3128 Process not Found 95 PID 3128 wrote to memory of 2644 3128 Process not Found 95 PID 3128 wrote to memory of 2644 3128 Process not Found 95 PID 3128 wrote to memory of 4472 3128 Process not Found 96 PID 3128 wrote to memory of 4472 3128 Process not Found 96 PID 3128 wrote to memory of 4472 3128 Process not Found 96 PID 3128 wrote to memory of 1292 3128 Process not Found 97 PID 3128 wrote to memory of 1292 3128 Process not Found 97 PID 3128 wrote to memory of 1292 3128 Process not Found 97 PID 3128 wrote to memory of 1292 3128 Process not Found 97 PID 3128 wrote to memory of 3884 3128 Process not Found 98 PID 3128 wrote to memory of 3884 3128 Process not Found 98 PID 3128 wrote to memory of 3884 3128 Process not Found 98 PID 3128 wrote to memory of 3884 3128 Process not Found 98 PID 3128 wrote to memory of 4024 3128 Process not Found 99 PID 3128 wrote to memory of 4024 3128 Process not Found 99 PID 3128 wrote to memory of 4024 3128 Process not Found 99 PID 3128 wrote to memory of 4024 3128 Process not Found 99 PID 3128 wrote to memory of 1892 3128 Process not Found 100 PID 3128 wrote to memory of 1892 3128 Process not Found 100 PID 3128 wrote to memory of 1892 3128 Process not Found 100 PID 3128 wrote to memory of 1852 3128 Process not Found 101 PID 3128 wrote to memory of 1852 3128 Process not Found 101 PID 3128 wrote to memory of 1852 3128 Process not Found 101 PID 3128 wrote to memory of 1852 3128 Process not Found 101 PID 1540 wrote to memory of 4260 1540 DE20.exe 102 PID 1540 wrote to memory of 4260 1540 DE20.exe 102 PID 1540 wrote to memory of 4260 1540 DE20.exe 102 PID 1540 wrote to memory of 3944 1540 DE20.exe 104 PID 1540 wrote to memory of 3944 1540 DE20.exe 104 PID 3944 wrote to memory of 116 3944 10074406617181285279.exe 105 PID 3944 wrote to memory of 116 3944 10074406617181285279.exe 105 PID 116 wrote to memory of 3228 116 cmd.exe 107 PID 116 wrote to memory of 3228 116 cmd.exe 107 PID 1540 wrote to memory of 1020 1540 DE20.exe 108 PID 1540 wrote to memory of 1020 1540 DE20.exe 108 PID 1540 wrote to memory of 1020 1540 DE20.exe 108 PID 1020 wrote to memory of 1452 1020 cmd.exe 110 PID 1020 wrote to memory of 1452 1020 cmd.exe 110 PID 1020 wrote to memory of 1452 1020 cmd.exe 110 PID 4260 wrote to memory of 4780 4260 39900965605214374538.exe 113 PID 4260 wrote to memory of 4780 4260 39900965605214374538.exe 113 PID 4260 wrote to memory of 4780 4260 39900965605214374538.exe 113 -
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\13851ea297fba43e14ad3bb5e7c85e05350c7973a5b6e3dbc4eed47c11166755.exe"C:\Users\Admin\AppData\Local\Temp\13851ea297fba43e14ad3bb5e7c85e05350c7973a5b6e3dbc4eed47c11166755.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4432
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C:\Users\Admin\AppData\Roaming\guccrwtC:\Users\Admin\AppData\Roaming\guccrwt1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:1624
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C:\Users\Admin\AppData\Local\Temp\DE20.exeC:\Users\Admin\AppData\Local\Temp\DE20.exe1⤵
- Checks computer location settings
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:1540 -
C:\ProgramData\39900965605214374538.exe"C:\ProgramData\39900965605214374538.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:4260 -
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:4780
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C:\ProgramData\10074406617181285279.exe"C:\ProgramData\10074406617181285279.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3944 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\10074406617181285279.exe3⤵
- Suspicious use of WriteProcessMemory
PID:116 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 04⤵PID:3228
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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\DE20.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:1020 -
C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
PID:1452
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1540 -s 20602⤵
- Program crash
PID:2648
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:4592
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵PID:1028
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:2644
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵PID:4472
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:1292
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:3884
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:4024
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵PID:1892
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:1852
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1540 -ip 15401⤵PID:3872
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
472KB
MD5286f98cbed8767ce6b37c3e84edf6f5d
SHA11ff685cbb404513d5c2e903942fd5162ded7a8c7
SHA256bd92cab108fe5e7fb8da4749f18a1ba88153755e72b9d3b15854295a7394877c
SHA512fe91bd08473b43db1545e5d2911bf303a14a34af3c2ec4b82013cf9427fad93f95131415125b3e756e847ae8dc7f0e6899dbd3972a424ace6bd98d86b4ccf420
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Filesize
472KB
MD5286f98cbed8767ce6b37c3e84edf6f5d
SHA11ff685cbb404513d5c2e903942fd5162ded7a8c7
SHA256bd92cab108fe5e7fb8da4749f18a1ba88153755e72b9d3b15854295a7394877c
SHA512fe91bd08473b43db1545e5d2911bf303a14a34af3c2ec4b82013cf9427fad93f95131415125b3e756e847ae8dc7f0e6899dbd3972a424ace6bd98d86b4ccf420
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Filesize
352KB
MD588dc3c8a8062d89f576363154fa3204f
SHA1b853c2b769c8ff70ad6bd86094a2ff5d5879997c
SHA25613851ea297fba43e14ad3bb5e7c85e05350c7973a5b6e3dbc4eed47c11166755
SHA512fd53960987ab60510ac153be71dd0028cb9826f9cdfd25b73a9b9ff9dd55715ebac94bedd398bf6e3e47c4da907ebc1d36fa562205a22b32f008e4a58fa39d31
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Filesize
352KB
MD588dc3c8a8062d89f576363154fa3204f
SHA1b853c2b769c8ff70ad6bd86094a2ff5d5879997c
SHA25613851ea297fba43e14ad3bb5e7c85e05350c7973a5b6e3dbc4eed47c11166755
SHA512fd53960987ab60510ac153be71dd0028cb9826f9cdfd25b73a9b9ff9dd55715ebac94bedd398bf6e3e47c4da907ebc1d36fa562205a22b32f008e4a58fa39d31
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Filesize
847.2MB
MD5d54201f901432048db91faa897020819
SHA142db674948e3e8ccac1bbbd13918899edb0884f5
SHA25646fa1f72f99ad3d87ce6edd8ae252fb35dfc0f71717a6f1e50758418fa07d8d5
SHA512d97716657eccfdcf70761b3b56a9603b6bd6487c8b0b53233acc21471754c69eeeb0db6821b9cc40fae4bf8baeac8349126240c2979eb6bfe3c8df087656ba5a
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Filesize
847.2MB
MD5d54201f901432048db91faa897020819
SHA142db674948e3e8ccac1bbbd13918899edb0884f5
SHA25646fa1f72f99ad3d87ce6edd8ae252fb35dfc0f71717a6f1e50758418fa07d8d5
SHA512d97716657eccfdcf70761b3b56a9603b6bd6487c8b0b53233acc21471754c69eeeb0db6821b9cc40fae4bf8baeac8349126240c2979eb6bfe3c8df087656ba5a