Analysis
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max time kernel
149s -
max time network
136s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
11-04-2023 19:59
Static task
static1
Behavioral task
behavioral1
Sample
6e933971efacc7d54337e9f11c3a3a584c4ea9615fdb71cd7b0669a7dd97c614.exe
Resource
win10v2004-20230220-en
General
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Target
6e933971efacc7d54337e9f11c3a3a584c4ea9615fdb71cd7b0669a7dd97c614.exe
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Size
213KB
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MD5
20dae4cb1eb9341d96e94ab9c8a3eac7
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SHA1
0e8213c8e09f364656441b440ced2d45811b33bf
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SHA256
6e933971efacc7d54337e9f11c3a3a584c4ea9615fdb71cd7b0669a7dd97c614
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SHA512
e0285601f3b8b3b3893cc78571d85401cdbed765e8aa51fe5d090ec81e06b623b6a2e82e5f70a0a5b0cbe5d3d45edfe16967e3d987d43ca42d73277a781e8077
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SSDEEP
3072:8z3U+gIBRrGmUGGaV6mYyRQBpLMrawCDLb9NpjU85NVHLJ:GE+giSmUBaVq/LHBzRokd
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 D48B.exe Key value queried \REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation 15291247395359267008.exe -
Executes dropped EXE 5 IoCs
pid Process 908 D48B.exe 3788 45830119359744143026.exe 1436 15291247395359267008.exe 3376 ashgvjc 1412 svcservice.exe -
Loads dropped DLL 2 IoCs
pid Process 908 D48B.exe 908 D48B.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/0x0006000000023142-291.dat upx behavioral1/files/0x0006000000023142-293.dat upx behavioral1/files/0x0006000000023142-294.dat upx behavioral1/memory/3788-295-0x0000000000E40000-0x0000000001CA3000-memory.dmp upx behavioral1/memory/3788-296-0x0000000000E40000-0x0000000001CA3000-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" 15291247395359267008.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 1436 15291247395359267008.exe 1436 15291247395359267008.exe 1412 svcservice.exe 1412 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 4016 908 WerFault.exe 90 -
Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI ashgvjc Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI ashgvjc Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI ashgvjc Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 6e933971efacc7d54337e9f11c3a3a584c4ea9615fdb71cd7b0669a7dd97c614.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 6e933971efacc7d54337e9f11c3a3a584c4ea9615fdb71cd7b0669a7dd97c614.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 6e933971efacc7d54337e9f11c3a3a584c4ea9615fdb71cd7b0669a7dd97c614.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 D48B.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString D48B.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 4892 timeout.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4504 6e933971efacc7d54337e9f11c3a3a584c4ea9615fdb71cd7b0669a7dd97c614.exe 4504 6e933971efacc7d54337e9f11c3a3a584c4ea9615fdb71cd7b0669a7dd97c614.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 4504 6e933971efacc7d54337e9f11c3a3a584c4ea9615fdb71cd7b0669a7dd97c614.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 3376 ashgvjc -
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 908 3128 Process not Found 90 PID 3128 wrote to memory of 908 3128 Process not Found 90 PID 3128 wrote to memory of 908 3128 Process not Found 90 PID 3128 wrote to memory of 2872 3128 Process not Found 91 PID 3128 wrote to memory of 2872 3128 Process not Found 91 PID 3128 wrote to memory of 2872 3128 Process not Found 91 PID 3128 wrote to memory of 2872 3128 Process not Found 91 PID 3128 wrote to memory of 4336 3128 Process not Found 92 PID 3128 wrote to memory of 4336 3128 Process not Found 92 PID 3128 wrote to memory of 4336 3128 Process not Found 92 PID 3128 wrote to memory of 3784 3128 Process not Found 94 PID 3128 wrote to memory of 3784 3128 Process not Found 94 PID 3128 wrote to memory of 3784 3128 Process not Found 94 PID 3128 wrote to memory of 3784 3128 Process not Found 94 PID 3128 wrote to memory of 700 3128 Process not Found 95 PID 3128 wrote to memory of 700 3128 Process not Found 95 PID 3128 wrote to memory of 700 3128 Process not Found 95 PID 3128 wrote to memory of 2428 3128 Process not Found 96 PID 3128 wrote to memory of 2428 3128 Process not Found 96 PID 3128 wrote to memory of 2428 3128 Process not Found 96 PID 3128 wrote to memory of 2428 3128 Process not Found 96 PID 3128 wrote to memory of 388 3128 Process not Found 97 PID 3128 wrote to memory of 388 3128 Process not Found 97 PID 3128 wrote to memory of 388 3128 Process not Found 97 PID 3128 wrote to memory of 388 3128 Process not Found 97 PID 3128 wrote to memory of 3864 3128 Process not Found 98 PID 3128 wrote to memory of 3864 3128 Process not Found 98 PID 3128 wrote to memory of 3864 3128 Process not Found 98 PID 3128 wrote to memory of 3864 3128 Process not Found 98 PID 3128 wrote to memory of 1292 3128 Process not Found 99 PID 3128 wrote to memory of 1292 3128 Process not Found 99 PID 3128 wrote to memory of 1292 3128 Process not Found 99 PID 3128 wrote to memory of 3600 3128 Process not Found 100 PID 3128 wrote to memory of 3600 3128 Process not Found 100 PID 3128 wrote to memory of 3600 3128 Process not Found 100 PID 3128 wrote to memory of 3600 3128 Process not Found 100 PID 908 wrote to memory of 3788 908 D48B.exe 101 PID 908 wrote to memory of 3788 908 D48B.exe 101 PID 3788 wrote to memory of 4140 3788 45830119359744143026.exe 103 PID 3788 wrote to memory of 4140 3788 45830119359744143026.exe 103 PID 4140 wrote to memory of 4504 4140 cmd.exe 105 PID 4140 wrote to memory of 4504 4140 cmd.exe 105 PID 908 wrote to memory of 1436 908 D48B.exe 106 PID 908 wrote to memory of 1436 908 D48B.exe 106 PID 908 wrote to memory of 1436 908 D48B.exe 106 PID 908 wrote to memory of 4948 908 D48B.exe 108 PID 908 wrote to memory of 4948 908 D48B.exe 108 PID 908 wrote to memory of 4948 908 D48B.exe 108 PID 4948 wrote to memory of 4892 4948 cmd.exe 111 PID 4948 wrote to memory of 4892 4948 cmd.exe 111 PID 4948 wrote to memory of 4892 4948 cmd.exe 111 PID 1436 wrote to memory of 1412 1436 15291247395359267008.exe 113 PID 1436 wrote to memory of 1412 1436 15291247395359267008.exe 113 PID 1436 wrote to memory of 1412 1436 15291247395359267008.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\6e933971efacc7d54337e9f11c3a3a584c4ea9615fdb71cd7b0669a7dd97c614.exe"C:\Users\Admin\AppData\Local\Temp\6e933971efacc7d54337e9f11c3a3a584c4ea9615fdb71cd7b0669a7dd97c614.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4504
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C:\Users\Admin\AppData\Local\Temp\D48B.exeC:\Users\Admin\AppData\Local\Temp\D48B.exe1⤵
- Checks computer location settings
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:908 -
C:\ProgramData\45830119359744143026.exe"C:\ProgramData\45830119359744143026.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3788 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\45830119359744143026.exe3⤵
- Suspicious use of WriteProcessMemory
PID:4140 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 04⤵PID:4504
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C:\ProgramData\15291247395359267008.exe"C:\ProgramData\15291247395359267008.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:1436 -
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:1412
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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\D48B.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:4948 -
C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
PID:4892
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 908 -s 17522⤵
- Program crash
PID:4016
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:2872
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵PID:4336
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:3784
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵PID:700
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:2428
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:388
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:3864
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵PID:1292
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:3600
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C:\Users\Admin\AppData\Roaming\ashgvjcC:\Users\Admin\AppData\Roaming\ashgvjc1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:3376
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 908 -ip 9081⤵PID:1908
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
323KB
MD59f6b4bc46a209ad7dc16f9d09f8cdfb2
SHA1a6bf33d7b9d283436cf1e94b696861000d7faf26
SHA256d36e4db098ce3cb754ba28a13067af3be36048e6477f7c5c2d0026cb47e15d53
SHA512ad297a0a4a85a5ea3cb9278dfef3c9a778fc3e767ab77b8397e6247a14e543421f7859d59025911fd7a7e5fd53b613590c31e0b50684a0251460d5bc6ca993bb
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Filesize
323KB
MD59f6b4bc46a209ad7dc16f9d09f8cdfb2
SHA1a6bf33d7b9d283436cf1e94b696861000d7faf26
SHA256d36e4db098ce3cb754ba28a13067af3be36048e6477f7c5c2d0026cb47e15d53
SHA512ad297a0a4a85a5ea3cb9278dfef3c9a778fc3e767ab77b8397e6247a14e543421f7859d59025911fd7a7e5fd53b613590c31e0b50684a0251460d5bc6ca993bb
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Filesize
213KB
MD520dae4cb1eb9341d96e94ab9c8a3eac7
SHA10e8213c8e09f364656441b440ced2d45811b33bf
SHA2566e933971efacc7d54337e9f11c3a3a584c4ea9615fdb71cd7b0669a7dd97c614
SHA512e0285601f3b8b3b3893cc78571d85401cdbed765e8aa51fe5d090ec81e06b623b6a2e82e5f70a0a5b0cbe5d3d45edfe16967e3d987d43ca42d73277a781e8077
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Filesize
213KB
MD520dae4cb1eb9341d96e94ab9c8a3eac7
SHA10e8213c8e09f364656441b440ced2d45811b33bf
SHA2566e933971efacc7d54337e9f11c3a3a584c4ea9615fdb71cd7b0669a7dd97c614
SHA512e0285601f3b8b3b3893cc78571d85401cdbed765e8aa51fe5d090ec81e06b623b6a2e82e5f70a0a5b0cbe5d3d45edfe16967e3d987d43ca42d73277a781e8077
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Filesize
836.3MB
MD5e61e1a8ebfb24dc428936f333a537fc0
SHA1e4b605488703ab6107ed82e2f4852e676e56067a
SHA256057407460ae50b9b51904df507d5b93f6e7b3321cbc2619fd38201a0d2759b01
SHA512651c29d7ecb6469460e06f4d3d2cc7717428dbd5b19af5066d8ac197bf7f6b50ded01ff0f5410951f1af201eace035feee5b3b8c23ffac3512f47eed5afaf29a
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Filesize
820.8MB
MD5088bda1a68a924a3c7a700714ad04aaa
SHA12287ab19d36724f55122d615cec03ad7f18fa324
SHA256fcfb1d04f0f407f75f8e8008a2538ca2e33a8c465efcdf412fd0c84315bcb3fc
SHA512a46c4db70ed34dcf9659773ac236bc39f1ad7be1a6a921a4d872065a8c4fe4ac2581312b2648947fcd20b85337e4b3bf5ba4fcdf91a0e243927290aeb404636f