Analysis
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max time kernel
150s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
18-09-2023 23:58
Static task
static1
Behavioral task
behavioral1
Sample
8adad0cfb96413c12af79d8a2309d5dcaacd92ddc5f038cad1bd5b32353aa13f.exe
Resource
win10v2004-20230915-en
General
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Target
8adad0cfb96413c12af79d8a2309d5dcaacd92ddc5f038cad1bd5b32353aa13f.exe
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Size
222KB
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MD5
be8469b30d87f96a475a3dc9ce890563
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SHA1
163a1de2cfff6ab6ddbbfc3d619e469574cf9dc8
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SHA256
8adad0cfb96413c12af79d8a2309d5dcaacd92ddc5f038cad1bd5b32353aa13f
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SHA512
5d1e2964d73cbc709ffdcab3086b87c837cf36bfad7640d4ebf675193ec21e305c6ce27ccf354f04fddfd7f31faff519de7cecec689762dc157f8b4c9f508ef0
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SSDEEP
3072:X3b4MqcL4WaNpC3uk9cQbsOcpe+nuXUfgFfrgz8X4AihvKPm05mWnWTs:b4pcLDaNk3ukaQbsOISzJ+YmTWnWT
Malware Config
Extracted
smokeloader
up3
Extracted
smokeloader
2020
http://host-file-host6.com/
http://host-host-file8.com/
Signatures
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SmokeLoader
Modular backdoor trojan in use since 2014.
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Executes dropped EXE 2 IoCs
pid Process 4452 tfjueaj 4236 tfjueaj -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 4376 set thread context of 736 4376 8adad0cfb96413c12af79d8a2309d5dcaacd92ddc5f038cad1bd5b32353aa13f.exe 88 PID 4452 set thread context of 4236 4452 tfjueaj 93 -
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 8adad0cfb96413c12af79d8a2309d5dcaacd92ddc5f038cad1bd5b32353aa13f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI tfjueaj Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI tfjueaj Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI tfjueaj Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 8adad0cfb96413c12af79d8a2309d5dcaacd92ddc5f038cad1bd5b32353aa13f.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 8adad0cfb96413c12af79d8a2309d5dcaacd92ddc5f038cad1bd5b32353aa13f.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 736 8adad0cfb96413c12af79d8a2309d5dcaacd92ddc5f038cad1bd5b32353aa13f.exe 736 8adad0cfb96413c12af79d8a2309d5dcaacd92ddc5f038cad1bd5b32353aa13f.exe 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found 3196 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3196 Process not Found -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 736 8adad0cfb96413c12af79d8a2309d5dcaacd92ddc5f038cad1bd5b32353aa13f.exe 4236 tfjueaj -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeShutdownPrivilege 3196 Process not Found Token: SeCreatePagefilePrivilege 3196 Process not Found Token: SeShutdownPrivilege 3196 Process not Found Token: SeCreatePagefilePrivilege 3196 Process not Found -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 3196 Process not Found -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 4376 wrote to memory of 736 4376 8adad0cfb96413c12af79d8a2309d5dcaacd92ddc5f038cad1bd5b32353aa13f.exe 88 PID 4376 wrote to memory of 736 4376 8adad0cfb96413c12af79d8a2309d5dcaacd92ddc5f038cad1bd5b32353aa13f.exe 88 PID 4376 wrote to memory of 736 4376 8adad0cfb96413c12af79d8a2309d5dcaacd92ddc5f038cad1bd5b32353aa13f.exe 88 PID 4376 wrote to memory of 736 4376 8adad0cfb96413c12af79d8a2309d5dcaacd92ddc5f038cad1bd5b32353aa13f.exe 88 PID 4376 wrote to memory of 736 4376 8adad0cfb96413c12af79d8a2309d5dcaacd92ddc5f038cad1bd5b32353aa13f.exe 88 PID 4376 wrote to memory of 736 4376 8adad0cfb96413c12af79d8a2309d5dcaacd92ddc5f038cad1bd5b32353aa13f.exe 88 PID 4452 wrote to memory of 4236 4452 tfjueaj 93 PID 4452 wrote to memory of 4236 4452 tfjueaj 93 PID 4452 wrote to memory of 4236 4452 tfjueaj 93 PID 4452 wrote to memory of 4236 4452 tfjueaj 93 PID 4452 wrote to memory of 4236 4452 tfjueaj 93 PID 4452 wrote to memory of 4236 4452 tfjueaj 93 -
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\8adad0cfb96413c12af79d8a2309d5dcaacd92ddc5f038cad1bd5b32353aa13f.exe"C:\Users\Admin\AppData\Local\Temp\8adad0cfb96413c12af79d8a2309d5dcaacd92ddc5f038cad1bd5b32353aa13f.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4376 -
C:\Users\Admin\AppData\Local\Temp\8adad0cfb96413c12af79d8a2309d5dcaacd92ddc5f038cad1bd5b32353aa13f.exe"C:\Users\Admin\AppData\Local\Temp\8adad0cfb96413c12af79d8a2309d5dcaacd92ddc5f038cad1bd5b32353aa13f.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:736
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C:\Users\Admin\AppData\Roaming\tfjueajC:\Users\Admin\AppData\Roaming\tfjueaj1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4452 -
C:\Users\Admin\AppData\Roaming\tfjueajC:\Users\Admin\AppData\Roaming\tfjueaj2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:4236
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
222KB
MD5be8469b30d87f96a475a3dc9ce890563
SHA1163a1de2cfff6ab6ddbbfc3d619e469574cf9dc8
SHA2568adad0cfb96413c12af79d8a2309d5dcaacd92ddc5f038cad1bd5b32353aa13f
SHA5125d1e2964d73cbc709ffdcab3086b87c837cf36bfad7640d4ebf675193ec21e305c6ce27ccf354f04fddfd7f31faff519de7cecec689762dc157f8b4c9f508ef0
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Filesize
222KB
MD5be8469b30d87f96a475a3dc9ce890563
SHA1163a1de2cfff6ab6ddbbfc3d619e469574cf9dc8
SHA2568adad0cfb96413c12af79d8a2309d5dcaacd92ddc5f038cad1bd5b32353aa13f
SHA5125d1e2964d73cbc709ffdcab3086b87c837cf36bfad7640d4ebf675193ec21e305c6ce27ccf354f04fddfd7f31faff519de7cecec689762dc157f8b4c9f508ef0
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Filesize
222KB
MD5be8469b30d87f96a475a3dc9ce890563
SHA1163a1de2cfff6ab6ddbbfc3d619e469574cf9dc8
SHA2568adad0cfb96413c12af79d8a2309d5dcaacd92ddc5f038cad1bd5b32353aa13f
SHA5125d1e2964d73cbc709ffdcab3086b87c837cf36bfad7640d4ebf675193ec21e305c6ce27ccf354f04fddfd7f31faff519de7cecec689762dc157f8b4c9f508ef0