Analysis
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max time kernel
151s -
max time network
149s -
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 19:05
Static task
static1
Behavioral task
behavioral1
Sample
a9c2b561ccdf817f81c6cae84be675825d91fd888174633d8c61d2fd708493c8.exe
Resource
win10v2004-20230220-en
General
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Target
a9c2b561ccdf817f81c6cae84be675825d91fd888174633d8c61d2fd708493c8.exe
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Size
352KB
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MD5
a5bc9a0f07e31f7c563fc2db23f51a6a
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SHA1
f9ad82a9e4191d6e2340a12192ec9b37244f08c4
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SHA256
a9c2b561ccdf817f81c6cae84be675825d91fd888174633d8c61d2fd708493c8
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SHA512
76fefcf088b155fc79c2501b4d37824a3ae952bdea25aa32c3a74cb22ee6ff0d07294609e0e0bc090e7f84935423d91c686d37bbf0126454497f1820e113c21e
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SSDEEP
3072:721Ykgd6LsejNzVEHpHTfik8KBGcwx0o7mDagiRXSG6k9o9vLUAyD+rnEyA6wGOi:6GvejQJz6k8UNAixoZo94NDY5ABCV+E
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 E0DF.exe Key value queried \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation 28518547420646444967.exe -
Executes dropped EXE 4 IoCs
pid Process 1196 E0DF.exe 636 28518547420646444967.exe 2012 09784087532515357400.exe 1564 svcservice.exe -
Loads dropped DLL 2 IoCs
pid Process 1196 E0DF.exe 1196 E0DF.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/0x000a00000002313d-281.dat upx behavioral1/files/0x000a00000002313d-286.dat upx behavioral1/files/0x000a00000002313d-287.dat upx behavioral1/memory/2012-291-0x0000000000D20000-0x0000000001B83000-memory.dmp upx behavioral1/memory/2012-292-0x0000000000D20000-0x0000000001B83000-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" 28518547420646444967.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 636 28518547420646444967.exe 636 28518547420646444967.exe 1564 svcservice.exe 1564 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 2504 1196 WerFault.exe 83 -
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 a9c2b561ccdf817f81c6cae84be675825d91fd888174633d8c61d2fd708493c8.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI a9c2b561ccdf817f81c6cae84be675825d91fd888174633d8c61d2fd708493c8.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI a9c2b561ccdf817f81c6cae84be675825d91fd888174633d8c61d2fd708493c8.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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString E0DF.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 E0DF.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 4020 timeout.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1872 a9c2b561ccdf817f81c6cae84be675825d91fd888174633d8c61d2fd708493c8.exe 1872 a9c2b561ccdf817f81c6cae84be675825d91fd888174633d8c61d2fd708493c8.exe 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3176 Process not Found -
Suspicious behavior: MapViewOfSection 19 IoCs
pid Process 1872 a9c2b561ccdf817f81c6cae84be675825d91fd888174633d8c61d2fd708493c8.exe 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found 3176 Process not Found -
Suspicious use of AdjustPrivilegeToken 8 IoCs
description pid Process Token: SeShutdownPrivilege 3176 Process not Found Token: SeCreatePagefilePrivilege 3176 Process not Found Token: SeShutdownPrivilege 3176 Process not Found Token: SeCreatePagefilePrivilege 3176 Process not Found Token: SeShutdownPrivilege 3176 Process not Found Token: SeCreatePagefilePrivilege 3176 Process not Found Token: SeShutdownPrivilege 3176 Process not Found Token: SeCreatePagefilePrivilege 3176 Process not Found -
Suspicious use of WriteProcessMemory 54 IoCs
description pid Process procid_target PID 3176 wrote to memory of 1196 3176 Process not Found 83 PID 3176 wrote to memory of 1196 3176 Process not Found 83 PID 3176 wrote to memory of 1196 3176 Process not Found 83 PID 3176 wrote to memory of 848 3176 Process not Found 87 PID 3176 wrote to memory of 848 3176 Process not Found 87 PID 3176 wrote to memory of 848 3176 Process not Found 87 PID 3176 wrote to memory of 848 3176 Process not Found 87 PID 3176 wrote to memory of 4528 3176 Process not Found 90 PID 3176 wrote to memory of 4528 3176 Process not Found 90 PID 3176 wrote to memory of 4528 3176 Process not Found 90 PID 3176 wrote to memory of 460 3176 Process not Found 91 PID 3176 wrote to memory of 460 3176 Process not Found 91 PID 3176 wrote to memory of 460 3176 Process not Found 91 PID 3176 wrote to memory of 460 3176 Process not Found 91 PID 3176 wrote to memory of 2936 3176 Process not Found 92 PID 3176 wrote to memory of 2936 3176 Process not Found 92 PID 3176 wrote to memory of 2936 3176 Process not Found 92 PID 3176 wrote to memory of 2440 3176 Process not Found 95 PID 3176 wrote to memory of 2440 3176 Process not Found 95 PID 3176 wrote to memory of 2440 3176 Process not Found 95 PID 3176 wrote to memory of 2440 3176 Process not Found 95 PID 3176 wrote to memory of 3884 3176 Process not Found 96 PID 3176 wrote to memory of 3884 3176 Process not Found 96 PID 3176 wrote to memory of 3884 3176 Process not Found 96 PID 3176 wrote to memory of 3884 3176 Process not Found 96 PID 3176 wrote to memory of 2228 3176 Process not Found 97 PID 3176 wrote to memory of 2228 3176 Process not Found 97 PID 3176 wrote to memory of 2228 3176 Process not Found 97 PID 3176 wrote to memory of 2228 3176 Process not Found 97 PID 3176 wrote to memory of 4944 3176 Process not Found 98 PID 3176 wrote to memory of 4944 3176 Process not Found 98 PID 3176 wrote to memory of 4944 3176 Process not Found 98 PID 3176 wrote to memory of 2892 3176 Process not Found 99 PID 3176 wrote to memory of 2892 3176 Process not Found 99 PID 3176 wrote to memory of 2892 3176 Process not Found 99 PID 3176 wrote to memory of 2892 3176 Process not Found 99 PID 1196 wrote to memory of 636 1196 E0DF.exe 100 PID 1196 wrote to memory of 636 1196 E0DF.exe 100 PID 1196 wrote to memory of 636 1196 E0DF.exe 100 PID 1196 wrote to memory of 2012 1196 E0DF.exe 102 PID 1196 wrote to memory of 2012 1196 E0DF.exe 102 PID 1196 wrote to memory of 3276 1196 E0DF.exe 103 PID 1196 wrote to memory of 3276 1196 E0DF.exe 103 PID 1196 wrote to memory of 3276 1196 E0DF.exe 103 PID 2012 wrote to memory of 2688 2012 09784087532515357400.exe 107 PID 2012 wrote to memory of 2688 2012 09784087532515357400.exe 107 PID 2688 wrote to memory of 1872 2688 cmd.exe 108 PID 2688 wrote to memory of 1872 2688 cmd.exe 108 PID 3276 wrote to memory of 4020 3276 cmd.exe 110 PID 3276 wrote to memory of 4020 3276 cmd.exe 110 PID 3276 wrote to memory of 4020 3276 cmd.exe 110 PID 636 wrote to memory of 1564 636 28518547420646444967.exe 111 PID 636 wrote to memory of 1564 636 28518547420646444967.exe 111 PID 636 wrote to memory of 1564 636 28518547420646444967.exe 111 -
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\a9c2b561ccdf817f81c6cae84be675825d91fd888174633d8c61d2fd708493c8.exe"C:\Users\Admin\AppData\Local\Temp\a9c2b561ccdf817f81c6cae84be675825d91fd888174633d8c61d2fd708493c8.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1872
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C:\Users\Admin\AppData\Local\Temp\E0DF.exeC:\Users\Admin\AppData\Local\Temp\E0DF.exe1⤵
- Checks computer location settings
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:1196 -
C:\ProgramData\28518547420646444967.exe"C:\ProgramData\28518547420646444967.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:636 -
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:1564
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C:\ProgramData\09784087532515357400.exe"C:\ProgramData\09784087532515357400.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2012 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\ProgramData\09784087532515357400.exe3⤵
- Suspicious use of WriteProcessMemory
PID:2688 -
C:\Windows\system32\choice.exechoice /C Y /N /D Y /T 04⤵PID:1872
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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\E0DF.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
PID:3276 -
C:\Windows\SysWOW64\timeout.exetimeout /t 63⤵
- Delays execution with timeout.exe
PID:4020
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1196 -s 17962⤵
- Program crash
PID:2504
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:848
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵PID:4528
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:460
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵PID:2936
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:2440
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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:2228
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵PID:4944
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵PID:2892
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1196 -ip 11961⤵PID:3280
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
MD53083b42ca069e5f0794203d62bd84a13
SHA1d4aa868b603b9e0e39613365e38391b5bed62998
SHA256958ba9e54b932f13ab0ad3ed176a650ce42d2e695592af7cec7c1efce07b25ac
SHA512cc904fd6c362502d48ca01e6e6efc3ed30cd78baf78e2976a0d782a3b1914950319be2f651ab550851ad1160bb18facae4f53375d56057e7aa07cd50fd680f7a
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Filesize
472KB
MD53083b42ca069e5f0794203d62bd84a13
SHA1d4aa868b603b9e0e39613365e38391b5bed62998
SHA256958ba9e54b932f13ab0ad3ed176a650ce42d2e695592af7cec7c1efce07b25ac
SHA512cc904fd6c362502d48ca01e6e6efc3ed30cd78baf78e2976a0d782a3b1914950319be2f651ab550851ad1160bb18facae4f53375d56057e7aa07cd50fd680f7a
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Filesize
791.2MB
MD56b71a4bad1a409ea4893380765eac972
SHA193d7e48c1c603d7f714b983cf3c051ede51b506a
SHA2569019881096f79f71ba5aaee82ab9c78bdc680ae99bb5e6babbb62483bde00dc5
SHA512394232596429d99fcc045b5b3c4e1a69266e940117e5e3abd2e07b32004e9aaf20b2bda27a44c1f49917a3cd15fff5a98ef3e005c4bce035601355baedaa3f93
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Filesize
791.2MB
MD56b71a4bad1a409ea4893380765eac972
SHA193d7e48c1c603d7f714b983cf3c051ede51b506a
SHA2569019881096f79f71ba5aaee82ab9c78bdc680ae99bb5e6babbb62483bde00dc5
SHA512394232596429d99fcc045b5b3c4e1a69266e940117e5e3abd2e07b32004e9aaf20b2bda27a44c1f49917a3cd15fff5a98ef3e005c4bce035601355baedaa3f93