Analysis
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max time kernel
151s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system -
submitted
11-04-2023 11:58
Static task
static1
Behavioral task
behavioral1
Sample
bda3d1c51346fc9ce7477d0f8d99a59dfc6664df597756f8a72e2712b21db50c.exe
Resource
win10v2004-20230221-en
General
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Target
bda3d1c51346fc9ce7477d0f8d99a59dfc6664df597756f8a72e2712b21db50c.exe
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Size
198KB
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MD5
e32f8280e68159b7c5e97e70573506c4
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SHA1
6f79fc06bd572e27b0c879deba38d0f12f26244e
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SHA256
bda3d1c51346fc9ce7477d0f8d99a59dfc6664df597756f8a72e2712b21db50c
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SHA512
e980ba904f4afad3d15b828d544409bbec8b1789d11eb45522474dcfa089955f97d1ef90b2760b7c1ab6816b6503f220568142155a786c8f3a921284333660f0
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SSDEEP
6144:92FbH8fUd7Z7REUXEFwvrgVE6z2I0Zhm:92FbH8fydEFwQE6z7J
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 C20C.exe Key value queried \REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation 88508765113693204050.exe -
Executes dropped EXE 5 IoCs
pid Process 4584 C20C.exe 3764 66774149891299296504.exe 2072 88508765113693204050.exe 3964 svcservice.exe 3492 dufgusv -
Loads dropped DLL 2 IoCs
pid Process 4584 C20C.exe 4584 C20C.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/0x0007000000023167-287.dat upx behavioral1/files/0x0007000000023167-289.dat upx behavioral1/files/0x0007000000023167-290.dat upx behavioral1/memory/3764-292-0x00000000007A0000-0x0000000001603000-memory.dmp upx behavioral1/memory/3764-293-0x00000000007A0000-0x0000000001603000-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" 88508765113693204050.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 2072 88508765113693204050.exe 2072 88508765113693204050.exe 3964 svcservice.exe 3964 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 1828 4584 WerFault.exe 88 -
Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI dufgusv Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI bda3d1c51346fc9ce7477d0f8d99a59dfc6664df597756f8a72e2712b21db50c.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI bda3d1c51346fc9ce7477d0f8d99a59dfc6664df597756f8a72e2712b21db50c.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI bda3d1c51346fc9ce7477d0f8d99a59dfc6664df597756f8a72e2712b21db50c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI dufgusv Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI dufgusv -
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 C20C.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C20C.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 3464 timeout.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2372 bda3d1c51346fc9ce7477d0f8d99a59dfc6664df597756f8a72e2712b21db50c.exe 2372 bda3d1c51346fc9ce7477d0f8d99a59dfc6664df597756f8a72e2712b21db50c.exe 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3184 Process not Found -
Suspicious behavior: MapViewOfSection 20 IoCs
pid Process 2372 bda3d1c51346fc9ce7477d0f8d99a59dfc6664df597756f8a72e2712b21db50c.exe 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3184 Process not Found 3492 dufgusv -
Suspicious use of AdjustPrivilegeToken 16 IoCs
description pid Process Token: SeShutdownPrivilege 3184 Process not Found Token: SeCreatePagefilePrivilege 3184 Process not Found Token: SeShutdownPrivilege 3184 Process not Found Token: SeCreatePagefilePrivilege 3184 Process not Found Token: SeShutdownPrivilege 3184 Process not Found Token: SeCreatePagefilePrivilege 3184 Process not Found Token: SeShutdownPrivilege 3184 Process not Found Token: SeCreatePagefilePrivilege 3184 Process not Found Token: SeShutdownPrivilege 3184 Process not Found Token: SeCreatePagefilePrivilege 3184 Process not Found Token: SeShutdownPrivilege 3184 Process not Found Token: SeCreatePagefilePrivilege 3184 Process not Found Token: SeShutdownPrivilege 3184 Process not Found Token: SeCreatePagefilePrivilege 3184 Process not Found Token: SeShutdownPrivilege 3184 Process not Found Token: SeCreatePagefilePrivilege 3184 Process not Found -
Suspicious use of WriteProcessMemory 54 IoCs
description pid Process procid_target PID 3184 wrote to memory of 4584 3184 Process not Found 88 PID 3184 wrote to memory of 4584 3184 Process not Found 88 PID 3184 wrote to memory of 4584 3184 Process not Found 88 PID 3184 wrote to memory of 4396 3184 Process not Found 89 PID 3184 wrote to memory of 4396 3184 Process not Found 89 PID 3184 wrote to memory of 4396 3184 Process not Found 89 PID 3184 wrote to memory of 4396 3184 Process not Found 89 PID 3184 wrote to memory of 2000 3184 Process not Found 90 PID 3184 wrote to memory of 2000 3184 Process not Found 90 PID 3184 wrote to memory of 2000 3184 Process not Found 90 PID 3184 wrote to memory of 2288 3184 Process not Found 91 PID 3184 wrote to memory of 2288 3184 Process not Found 91 PID 3184 wrote to memory of 2288 3184 Process not Found 91 PID 3184 wrote to memory of 2288 3184 Process not Found 91 PID 3184 wrote to memory of 2012 3184 Process not Found 93 PID 3184 wrote to memory of 2012 3184 Process not Found 93 PID 3184 wrote to memory of 2012 3184 Process not Found 93 PID 3184 wrote to memory of 2724 3184 Process not Found 94 PID 3184 wrote to memory of 2724 3184 Process not Found 94 PID 3184 wrote to memory of 2724 3184 Process not Found 94 PID 3184 wrote to memory of 2724 3184 Process not Found 94 PID 3184 wrote to memory of 1100 3184 Process not Found 95 PID 3184 wrote to memory of 1100 3184 Process not Found 95 PID 3184 wrote to memory of 1100 3184 Process not Found 95 PID 3184 wrote to memory of 1100 3184 Process not Found 95 PID 3184 wrote to memory of 616 3184 Process not Found 96 PID 3184 wrote to memory of 616 3184 Process not Found 96 PID 3184 wrote to memory of 616 3184 Process not Found 96 PID 3184 wrote to memory of 616 3184 Process not Found 96 PID 3184 wrote to memory of 2412 3184 Process not Found 97 PID 3184 wrote to memory of 2412 3184 Process not Found 97 PID 3184 wrote to memory of 2412 3184 Process not Found 97 PID 3184 wrote to memory of 3996 3184 Process not Found 98 PID 3184 wrote to memory of 3996 3184 Process not Found 98 PID 3184 wrote to memory of 3996 3184 Process not Found 98 PID 3184 wrote to memory of 3996 3184 Process not Found 98 PID 4584 wrote to memory of 3764 4584 C20C.exe 99 PID 4584 wrote to memory of 3764 4584 C20C.exe 99 PID 3764 wrote to memory of 4692 3764 66774149891299296504.exe 101 PID 3764 wrote to memory of 4692 3764 66774149891299296504.exe 101 PID 4692 wrote to memory of 2756 4692 cmd.exe 103 PID 4692 wrote to memory of 2756 4692 cmd.exe 103 PID 4584 wrote to memory of 2072 4584 C20C.exe 104 PID 4584 wrote to memory of 2072 4584 C20C.exe 104 PID 4584 wrote to memory of 2072 4584 C20C.exe 104 PID 4584 wrote to memory of 1636 4584 C20C.exe 105 PID 4584 wrote to memory of 1636 4584 C20C.exe 105 PID 4584 wrote to memory of 1636 4584 C20C.exe 105 PID 1636 wrote to memory of 3464 1636 cmd.exe 108 PID 1636 wrote to memory of 3464 1636 cmd.exe 108 PID 1636 wrote to memory of 3464 1636 cmd.exe 108 PID 2072 wrote to memory of 3964 2072 88508765113693204050.exe 110 PID 2072 wrote to memory of 3964 2072 88508765113693204050.exe 110 PID 2072 wrote to memory of 3964 2072 88508765113693204050.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\bda3d1c51346fc9ce7477d0f8d99a59dfc6664df597756f8a72e2712b21db50c.exe"C:\Users\Admin\AppData\Local\Temp\bda3d1c51346fc9ce7477d0f8d99a59dfc6664df597756f8a72e2712b21db50c.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2372
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C:\Users\Admin\AppData\Local\Temp\C20C.exeC:\Users\Admin\AppData\Local\Temp\C20C.exe1⤵
- Checks computer location settings
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:4584 -
C:\ProgramData\66774149891299296504.exe"C:\ProgramData\66774149891299296504.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3764 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\66774149891299296504.exe3⤵
- Suspicious use of WriteProcessMemory
PID:4692 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 04⤵PID:2756
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C:\ProgramData\88508765113693204050.exe"C:\ProgramData\88508765113693204050.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:2072 -
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:3964
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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\C20C.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:1636 -
C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
PID:3464
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4584 -s 20962⤵
- Program crash
PID:1828
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:4396
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵PID:2000
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:2288
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵PID:2012
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:2724
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:1100
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:616
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵PID:2412
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:3996
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4584 -ip 45841⤵PID:1256
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C:\Users\Admin\AppData\Roaming\dufgusvC:\Users\Admin\AppData\Roaming\dufgusv1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:3492
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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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
308KB
MD58cecba2fd655a1392e7d5170c78bc4b1
SHA1a17761045e791e2d32aab90613a530f32c3cfd55
SHA2565ebf7acf9b61ece7c232ebbc13bf71e4078f38faf4477427851ceb6ef23f0ada
SHA5125dd815dc9196f6af11a48a38c3ce9e58bbc62ecdbac26284942977e4db5dee21870240895b0f3b3bdf851b7001565ea046f9e04102bbd231b50bf0b72e871248
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Filesize
308KB
MD58cecba2fd655a1392e7d5170c78bc4b1
SHA1a17761045e791e2d32aab90613a530f32c3cfd55
SHA2565ebf7acf9b61ece7c232ebbc13bf71e4078f38faf4477427851ceb6ef23f0ada
SHA5125dd815dc9196f6af11a48a38c3ce9e58bbc62ecdbac26284942977e4db5dee21870240895b0f3b3bdf851b7001565ea046f9e04102bbd231b50bf0b72e871248
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Filesize
198KB
MD5e32f8280e68159b7c5e97e70573506c4
SHA16f79fc06bd572e27b0c879deba38d0f12f26244e
SHA256bda3d1c51346fc9ce7477d0f8d99a59dfc6664df597756f8a72e2712b21db50c
SHA512e980ba904f4afad3d15b828d544409bbec8b1789d11eb45522474dcfa089955f97d1ef90b2760b7c1ab6816b6503f220568142155a786c8f3a921284333660f0
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Filesize
198KB
MD5e32f8280e68159b7c5e97e70573506c4
SHA16f79fc06bd572e27b0c879deba38d0f12f26244e
SHA256bda3d1c51346fc9ce7477d0f8d99a59dfc6664df597756f8a72e2712b21db50c
SHA512e980ba904f4afad3d15b828d544409bbec8b1789d11eb45522474dcfa089955f97d1ef90b2760b7c1ab6816b6503f220568142155a786c8f3a921284333660f0
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Filesize
751.2MB
MD58292003a3524b3b15ac8085d29489160
SHA1fd81bc25d7728eec3b8402891a098f8a80161547
SHA25626d43e1934868ab00f0b659048ff5c945845d40610378c1c5c19883b632fab70
SHA51276822fbfa5217c375c9fe30fd03e13fd81ff2a790fe6e312effcb7ad66739c3adef9e4b1487a3427cf463b582810fe4b7c0991f97c73640e8f426dcdf9aec79d
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Filesize
751.2MB
MD58292003a3524b3b15ac8085d29489160
SHA1fd81bc25d7728eec3b8402891a098f8a80161547
SHA25626d43e1934868ab00f0b659048ff5c945845d40610378c1c5c19883b632fab70
SHA51276822fbfa5217c375c9fe30fd03e13fd81ff2a790fe6e312effcb7ad66739c3adef9e4b1487a3427cf463b582810fe4b7c0991f97c73640e8f426dcdf9aec79d