Analysis
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max time kernel
318s -
max time network
321s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
23/09/2023, 00:37
Static task
static1
Behavioral task
behavioral1
Sample
a5a107e890080f3642ebe97a41abdecab2113fe981569361e9ebb4f96ab5d078.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
a5a107e890080f3642ebe97a41abdecab2113fe981569361e9ebb4f96ab5d078.exe
Resource
win10-20230915-en
General
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Target
a5a107e890080f3642ebe97a41abdecab2113fe981569361e9ebb4f96ab5d078.exe
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Size
186KB
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MD5
5e24e3e53137efe701b18e01b83cde73
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SHA1
c2561797a85b99d192a09c479f6dabd88baaaae4
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SHA256
a5a107e890080f3642ebe97a41abdecab2113fe981569361e9ebb4f96ab5d078
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SHA512
e96e8d998b97e6520041f0502da2d2e14e398a0e7dfa41515d30f3d5f12a92c84e7d5f608d9d82f830cf7347cb9e44244ead88fb0338428e60e24f8199b9f701
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SSDEEP
3072:QrH1yFMngccXYGhFMUgBLxWlJa+wedYuc/vR6j2xxiLYD51Qez:QZyFMng/70UwKa+wkYuc/5E2qEzQ
Malware Config
Extracted
smokeloader
pub1
Extracted
smokeloader
2022
http://gudintas.at/tmp/
http://pik96.ru/tmp/
http://rosatiauto.com/tmp/
http://kingpirate.ru/tmp/
Signatures
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SmokeLoader
Modular backdoor trojan in use since 2014.
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Deletes itself 1 IoCs
pid Process 1264 Process not Found -
Executes dropped EXE 1 IoCs
pid Process 2712 wcahhgd -
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 a5a107e890080f3642ebe97a41abdecab2113fe981569361e9ebb4f96ab5d078.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI a5a107e890080f3642ebe97a41abdecab2113fe981569361e9ebb4f96ab5d078.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI wcahhgd Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI wcahhgd Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI wcahhgd Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI a5a107e890080f3642ebe97a41abdecab2113fe981569361e9ebb4f96ab5d078.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2248 a5a107e890080f3642ebe97a41abdecab2113fe981569361e9ebb4f96ab5d078.exe 2248 a5a107e890080f3642ebe97a41abdecab2113fe981569361e9ebb4f96ab5d078.exe 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1264 Process not Found -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 2248 a5a107e890080f3642ebe97a41abdecab2113fe981569361e9ebb4f96ab5d078.exe 2712 wcahhgd -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeShutdownPrivilege 1264 Process not Found -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2280 wrote to memory of 2712 2280 taskeng.exe 31 PID 2280 wrote to memory of 2712 2280 taskeng.exe 31 PID 2280 wrote to memory of 2712 2280 taskeng.exe 31 PID 2280 wrote to memory of 2712 2280 taskeng.exe 31 -
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\a5a107e890080f3642ebe97a41abdecab2113fe981569361e9ebb4f96ab5d078.exe"C:\Users\Admin\AppData\Local\Temp\a5a107e890080f3642ebe97a41abdecab2113fe981569361e9ebb4f96ab5d078.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2248
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C:\Windows\system32\taskeng.exetaskeng.exe {0BCF8B0D-90A8-4F13-943D-19D31C8F9F15} S-1-5-21-3750544865-3773649541-1858556521-1000:XOCYHKRS\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:2280 -
C:\Users\Admin\AppData\Roaming\wcahhgdC:\Users\Admin\AppData\Roaming\wcahhgd2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:2712
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
186KB
MD55e24e3e53137efe701b18e01b83cde73
SHA1c2561797a85b99d192a09c479f6dabd88baaaae4
SHA256a5a107e890080f3642ebe97a41abdecab2113fe981569361e9ebb4f96ab5d078
SHA512e96e8d998b97e6520041f0502da2d2e14e398a0e7dfa41515d30f3d5f12a92c84e7d5f608d9d82f830cf7347cb9e44244ead88fb0338428e60e24f8199b9f701
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Filesize
186KB
MD55e24e3e53137efe701b18e01b83cde73
SHA1c2561797a85b99d192a09c479f6dabd88baaaae4
SHA256a5a107e890080f3642ebe97a41abdecab2113fe981569361e9ebb4f96ab5d078
SHA512e96e8d998b97e6520041f0502da2d2e14e398a0e7dfa41515d30f3d5f12a92c84e7d5f608d9d82f830cf7347cb9e44244ead88fb0338428e60e24f8199b9f701