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Analysis
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max time kernel
150s -
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
16/04/2023, 02:05
Static task
static1
Behavioral task
behavioral1
Sample
6d622a7bd71b3d9fc58e121ed184bd2323dd8e38b60f79fbe260a4bf842f847a.exe
Resource
win10v2004-20230221-en
General
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Target
6d622a7bd71b3d9fc58e121ed184bd2323dd8e38b60f79fbe260a4bf842f847a.exe
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Size
347KB
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MD5
218fd755fc98aa60b8e5f52ecb73c914
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SHA1
32f98788c7d64f0169dcb9d3fcfc5539f0a6b6d5
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SHA256
6d622a7bd71b3d9fc58e121ed184bd2323dd8e38b60f79fbe260a4bf842f847a
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SHA512
525b73ddb5e6d203337ebefce7c059d97955e3e08c76c0d43233dfa84dade0a89ef1d4edda13ba43a5519148e8d5864a228e59f21d5ad2a879535b78d6ec7223
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SSDEEP
6144:BfCqdA2EXYn8BKEyET6TPVkaGAgABXZbbe4:Bf7dZln8BKEdTq9RgAZZbq4
Malware Config
Extracted
smokeloader
pu10
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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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4824 set thread context of 636 4824 6d622a7bd71b3d9fc58e121ed184bd2323dd8e38b60f79fbe260a4bf842f847a.exe 76 -
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 6d622a7bd71b3d9fc58e121ed184bd2323dd8e38b60f79fbe260a4bf842f847a.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 6d622a7bd71b3d9fc58e121ed184bd2323dd8e38b60f79fbe260a4bf842f847a.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 6d622a7bd71b3d9fc58e121ed184bd2323dd8e38b60f79fbe260a4bf842f847a.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 636 6d622a7bd71b3d9fc58e121ed184bd2323dd8e38b60f79fbe260a4bf842f847a.exe 636 6d622a7bd71b3d9fc58e121ed184bd2323dd8e38b60f79fbe260a4bf842f847a.exe 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found 732 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 732 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 636 6d622a7bd71b3d9fc58e121ed184bd2323dd8e38b60f79fbe260a4bf842f847a.exe -
Suspicious use of AdjustPrivilegeToken 8 IoCs
description pid Process Token: SeShutdownPrivilege 732 Process not Found Token: SeCreatePagefilePrivilege 732 Process not Found Token: SeShutdownPrivilege 732 Process not Found Token: SeCreatePagefilePrivilege 732 Process not Found Token: SeShutdownPrivilege 732 Process not Found Token: SeCreatePagefilePrivilege 732 Process not Found Token: SeShutdownPrivilege 732 Process not Found Token: SeCreatePagefilePrivilege 732 Process not Found -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4824 wrote to memory of 636 4824 6d622a7bd71b3d9fc58e121ed184bd2323dd8e38b60f79fbe260a4bf842f847a.exe 76 PID 4824 wrote to memory of 636 4824 6d622a7bd71b3d9fc58e121ed184bd2323dd8e38b60f79fbe260a4bf842f847a.exe 76 PID 4824 wrote to memory of 636 4824 6d622a7bd71b3d9fc58e121ed184bd2323dd8e38b60f79fbe260a4bf842f847a.exe 76 PID 4824 wrote to memory of 636 4824 6d622a7bd71b3d9fc58e121ed184bd2323dd8e38b60f79fbe260a4bf842f847a.exe 76 PID 4824 wrote to memory of 636 4824 6d622a7bd71b3d9fc58e121ed184bd2323dd8e38b60f79fbe260a4bf842f847a.exe 76 PID 4824 wrote to memory of 636 4824 6d622a7bd71b3d9fc58e121ed184bd2323dd8e38b60f79fbe260a4bf842f847a.exe 76 -
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\6d622a7bd71b3d9fc58e121ed184bd2323dd8e38b60f79fbe260a4bf842f847a.exe"C:\Users\Admin\AppData\Local\Temp\6d622a7bd71b3d9fc58e121ed184bd2323dd8e38b60f79fbe260a4bf842f847a.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4824 -
C:\Users\Admin\AppData\Local\Temp\6d622a7bd71b3d9fc58e121ed184bd2323dd8e38b60f79fbe260a4bf842f847a.exe"C:\Users\Admin\AppData\Local\Temp\6d622a7bd71b3d9fc58e121ed184bd2323dd8e38b60f79fbe260a4bf842f847a.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:636
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