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Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
10/05/2023, 09:16
Static task
static1
Behavioral task
behavioral1
Sample
f2ac40833804854f5020dd1db240e4074154847e3e4f33a73da2ccecd1edd976.exe
Resource
win10v2004-20230220-en
General
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Target
f2ac40833804854f5020dd1db240e4074154847e3e4f33a73da2ccecd1edd976.exe
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Size
329KB
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MD5
239c6896abed250ced4d7b910435a117
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SHA1
cb413e8715b8f9d9118e20085adbba0b7d923889
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SHA256
f2ac40833804854f5020dd1db240e4074154847e3e4f33a73da2ccecd1edd976
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SHA512
c118d47f87e7752769089e0bd70181236932f7d196306b2c849327d61648f5d606d2fb91ba4d4e0cbcd6eac648a403fc9c0faf93165c192ab27e2eadfd6c16c1
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SSDEEP
3072:55qgR/JKAWepRFK+ai2QfS6E1+PJxhzJzslQSTVqDvWPdF45x34AZXO2uz6KkEqi:N/JmUDa1CiewlQSgDwdC514AA2uvC
Malware Config
Extracted
smokeloader
pub1
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 2076 set thread context of 4764 2076 f2ac40833804854f5020dd1db240e4074154847e3e4f33a73da2ccecd1edd976.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 f2ac40833804854f5020dd1db240e4074154847e3e4f33a73da2ccecd1edd976.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI f2ac40833804854f5020dd1db240e4074154847e3e4f33a73da2ccecd1edd976.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI f2ac40833804854f5020dd1db240e4074154847e3e4f33a73da2ccecd1edd976.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4764 f2ac40833804854f5020dd1db240e4074154847e3e4f33a73da2ccecd1edd976.exe 4764 f2ac40833804854f5020dd1db240e4074154847e3e4f33a73da2ccecd1edd976.exe 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found 3160 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3160 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4764 f2ac40833804854f5020dd1db240e4074154847e3e4f33a73da2ccecd1edd976.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeShutdownPrivilege 3160 Process not Found Token: SeCreatePagefilePrivilege 3160 Process not Found Token: SeShutdownPrivilege 3160 Process not Found Token: SeCreatePagefilePrivilege 3160 Process not Found Token: SeShutdownPrivilege 3160 Process not Found Token: SeCreatePagefilePrivilege 3160 Process not Found Token: SeShutdownPrivilege 3160 Process not Found Token: SeCreatePagefilePrivilege 3160 Process not Found Token: SeShutdownPrivilege 3160 Process not Found Token: SeCreatePagefilePrivilege 3160 Process not Found Token: SeShutdownPrivilege 3160 Process not Found Token: SeCreatePagefilePrivilege 3160 Process not Found -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2076 wrote to memory of 4764 2076 f2ac40833804854f5020dd1db240e4074154847e3e4f33a73da2ccecd1edd976.exe 83 PID 2076 wrote to memory of 4764 2076 f2ac40833804854f5020dd1db240e4074154847e3e4f33a73da2ccecd1edd976.exe 83 PID 2076 wrote to memory of 4764 2076 f2ac40833804854f5020dd1db240e4074154847e3e4f33a73da2ccecd1edd976.exe 83 PID 2076 wrote to memory of 4764 2076 f2ac40833804854f5020dd1db240e4074154847e3e4f33a73da2ccecd1edd976.exe 83 PID 2076 wrote to memory of 4764 2076 f2ac40833804854f5020dd1db240e4074154847e3e4f33a73da2ccecd1edd976.exe 83 PID 2076 wrote to memory of 4764 2076 f2ac40833804854f5020dd1db240e4074154847e3e4f33a73da2ccecd1edd976.exe 83 -
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\f2ac40833804854f5020dd1db240e4074154847e3e4f33a73da2ccecd1edd976.exe"C:\Users\Admin\AppData\Local\Temp\f2ac40833804854f5020dd1db240e4074154847e3e4f33a73da2ccecd1edd976.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2076 -
C:\Users\Admin\AppData\Local\Temp\f2ac40833804854f5020dd1db240e4074154847e3e4f33a73da2ccecd1edd976.exe"C:\Users\Admin\AppData\Local\Temp\f2ac40833804854f5020dd1db240e4074154847e3e4f33a73da2ccecd1edd976.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4764
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