Analysis
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max time kernel
158s -
max time network
131s -
platform
windows10-1703_x64 -
resource
win10-20230915-en -
resource tags
arch:x64arch:x86image:win10-20230915-enlocale:en-usos:windows10-1703-x64system -
submitted
23/09/2023, 07:49
Static task
static1
Behavioral task
behavioral1
Sample
f76c96aea2f3809cc73e1d3ee497bc1abdbe2657e870844f8714cd11432e129e.exe
Resource
win10-20230915-en
General
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Target
f76c96aea2f3809cc73e1d3ee497bc1abdbe2657e870844f8714cd11432e129e.exe
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Size
321KB
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MD5
25bf7b154a13bb7f14a809bfb3f37632
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SHA1
a9b28f347faf641dbd7ec6014e7ffb49471be325
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SHA256
f76c96aea2f3809cc73e1d3ee497bc1abdbe2657e870844f8714cd11432e129e
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SHA512
192b7cdf91bc68d88943aea1a4e7a7268af41298615099c1ee52c91beb643f4b57dce087b16670607cca9c23cab27d968060c6f020d63068906619d7b3c2b505
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SSDEEP
6144:+T0DQh/Ok7CUm9jSlMB4foz07IWyprLi:+wDK2k7C79WfC0a5
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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Deletes itself 1 IoCs
pid Process 3244 Process not Found -
Executes dropped EXE 2 IoCs
pid Process 4624 vbiwvhb 3396 vbiwvhb -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2464 set thread context of 2288 2464 f76c96aea2f3809cc73e1d3ee497bc1abdbe2657e870844f8714cd11432e129e.exe 70 PID 4624 set thread context of 3396 4624 vbiwvhb 72 -
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 vbiwvhb Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI vbiwvhb Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI f76c96aea2f3809cc73e1d3ee497bc1abdbe2657e870844f8714cd11432e129e.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI f76c96aea2f3809cc73e1d3ee497bc1abdbe2657e870844f8714cd11432e129e.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI f76c96aea2f3809cc73e1d3ee497bc1abdbe2657e870844f8714cd11432e129e.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI vbiwvhb -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2288 f76c96aea2f3809cc73e1d3ee497bc1abdbe2657e870844f8714cd11432e129e.exe 2288 f76c96aea2f3809cc73e1d3ee497bc1abdbe2657e870844f8714cd11432e129e.exe 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found 3244 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3244 Process not Found -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 2288 f76c96aea2f3809cc73e1d3ee497bc1abdbe2657e870844f8714cd11432e129e.exe 3396 vbiwvhb -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 3244 Process not Found Token: SeCreatePagefilePrivilege 3244 Process not Found -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2464 wrote to memory of 2288 2464 f76c96aea2f3809cc73e1d3ee497bc1abdbe2657e870844f8714cd11432e129e.exe 70 PID 2464 wrote to memory of 2288 2464 f76c96aea2f3809cc73e1d3ee497bc1abdbe2657e870844f8714cd11432e129e.exe 70 PID 2464 wrote to memory of 2288 2464 f76c96aea2f3809cc73e1d3ee497bc1abdbe2657e870844f8714cd11432e129e.exe 70 PID 2464 wrote to memory of 2288 2464 f76c96aea2f3809cc73e1d3ee497bc1abdbe2657e870844f8714cd11432e129e.exe 70 PID 2464 wrote to memory of 2288 2464 f76c96aea2f3809cc73e1d3ee497bc1abdbe2657e870844f8714cd11432e129e.exe 70 PID 2464 wrote to memory of 2288 2464 f76c96aea2f3809cc73e1d3ee497bc1abdbe2657e870844f8714cd11432e129e.exe 70 PID 4624 wrote to memory of 3396 4624 vbiwvhb 72 PID 4624 wrote to memory of 3396 4624 vbiwvhb 72 PID 4624 wrote to memory of 3396 4624 vbiwvhb 72 PID 4624 wrote to memory of 3396 4624 vbiwvhb 72 PID 4624 wrote to memory of 3396 4624 vbiwvhb 72 PID 4624 wrote to memory of 3396 4624 vbiwvhb 72 -
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\f76c96aea2f3809cc73e1d3ee497bc1abdbe2657e870844f8714cd11432e129e.exe"C:\Users\Admin\AppData\Local\Temp\f76c96aea2f3809cc73e1d3ee497bc1abdbe2657e870844f8714cd11432e129e.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2464 -
C:\Users\Admin\AppData\Local\Temp\f76c96aea2f3809cc73e1d3ee497bc1abdbe2657e870844f8714cd11432e129e.exe"C:\Users\Admin\AppData\Local\Temp\f76c96aea2f3809cc73e1d3ee497bc1abdbe2657e870844f8714cd11432e129e.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2288
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C:\Users\Admin\AppData\Roaming\vbiwvhbC:\Users\Admin\AppData\Roaming\vbiwvhb1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4624 -
C:\Users\Admin\AppData\Roaming\vbiwvhbC:\Users\Admin\AppData\Roaming\vbiwvhb2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:3396
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
321KB
MD525bf7b154a13bb7f14a809bfb3f37632
SHA1a9b28f347faf641dbd7ec6014e7ffb49471be325
SHA256f76c96aea2f3809cc73e1d3ee497bc1abdbe2657e870844f8714cd11432e129e
SHA512192b7cdf91bc68d88943aea1a4e7a7268af41298615099c1ee52c91beb643f4b57dce087b16670607cca9c23cab27d968060c6f020d63068906619d7b3c2b505
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Filesize
321KB
MD525bf7b154a13bb7f14a809bfb3f37632
SHA1a9b28f347faf641dbd7ec6014e7ffb49471be325
SHA256f76c96aea2f3809cc73e1d3ee497bc1abdbe2657e870844f8714cd11432e129e
SHA512192b7cdf91bc68d88943aea1a4e7a7268af41298615099c1ee52c91beb643f4b57dce087b16670607cca9c23cab27d968060c6f020d63068906619d7b3c2b505
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Filesize
321KB
MD525bf7b154a13bb7f14a809bfb3f37632
SHA1a9b28f347faf641dbd7ec6014e7ffb49471be325
SHA256f76c96aea2f3809cc73e1d3ee497bc1abdbe2657e870844f8714cd11432e129e
SHA512192b7cdf91bc68d88943aea1a4e7a7268af41298615099c1ee52c91beb643f4b57dce087b16670607cca9c23cab27d968060c6f020d63068906619d7b3c2b505