Analysis
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max time kernel
104s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20250314-en -
resource tags
arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system -
submitted
29/03/2025, 20:32
Static task
static1
Behavioral task
behavioral1
Sample
toolspab2.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
toolspab2.exe
Resource
win10v2004-20250314-en
Behavioral task
behavioral3
Sample
toolspab2.exe
Resource
win10ltsc2021-20250314-en
Behavioral task
behavioral4
Sample
toolspab2.exe
Resource
win11-20250313-en
General
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Target
toolspab2.exe
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Size
239KB
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MD5
03742c1aec9ff3f9d6686ee1f9a7cf5d
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SHA1
e143b9c67cf6989a3f2f73dc4ad3dabd52ac2280
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SHA256
f54ceba6f20b6cf0eb53009095c9f61e89f615a34cbbd6040ecce5c0a20020f2
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SHA512
ebd0d73b546a398fddc88d5f85dbfcb328b7e96383dbf6ca9efa30c956ceebb499ad8b926488372a17cde135c1a7cf347c14cc466ab21d06a8165f8d458cfcd3
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SSDEEP
3072:SQCF9Wx/GEAwkAOZAm+kROmiIsxkgaBChpE:/sWRdA3Z7E1iga
Malware Config
Extracted
smokeloader
pub2
Signatures
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SmokeLoader
Modular backdoor trojan in use since 2014.
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Smokeloader family
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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4320 set thread context of 1912 4320 toolspab2.exe 89 -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language toolspab2.exe -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI toolspab2.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI toolspab2.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI toolspab2.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4320 wrote to memory of 1912 4320 toolspab2.exe 89 PID 4320 wrote to memory of 1912 4320 toolspab2.exe 89 PID 4320 wrote to memory of 1912 4320 toolspab2.exe 89 PID 4320 wrote to memory of 1912 4320 toolspab2.exe 89 PID 4320 wrote to memory of 1912 4320 toolspab2.exe 89 PID 4320 wrote to memory of 1912 4320 toolspab2.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\toolspab2.exe"C:\Users\Admin\AppData\Local\Temp\toolspab2.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4320 -
C:\Users\Admin\AppData\Local\Temp\toolspab2.exe"C:\Users\Admin\AppData\Local\Temp\toolspab2.exe"2⤵
- Checks SCSI registry key(s)
PID:1912
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