Analysis
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max time kernel
150s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
07/10/2023, 11:32
Static task
static1
Behavioral task
behavioral1
Sample
NEAS.3c258ed46041141a294c68b2de32dfc67d39bb77a9a3e53542f8547ab0aaea83_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
NEAS.3c258ed46041141a294c68b2de32dfc67d39bb77a9a3e53542f8547ab0aaea83_JC.exe
Resource
win10v2004-20230915-en
General
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Target
NEAS.3c258ed46041141a294c68b2de32dfc67d39bb77a9a3e53542f8547ab0aaea83_JC.exe
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Size
275KB
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MD5
e79af3a798e4a6b69dc0e00e20666c5f
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SHA1
f84f2d86d2a6722cb010b7b49ba80acff95cce10
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SHA256
3c258ed46041141a294c68b2de32dfc67d39bb77a9a3e53542f8547ab0aaea83
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SHA512
5694e04864132d529f60128b0ba2a93bbb22fe380f75b29c3498767bf80ffe42bccc430bb0272e2a3c51ef11133cf61bf69f06f1fc3a0dc24c4345ba997f4746
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SSDEEP
3072:aE7w9Z+xh4FQGalui6QrhAKwB6b8uJReVsh6P7zfldapDxKCrost8:BKZWh4FQLuJfB6b8uJRX6zzflgz0I
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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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4328 set thread context of 1160 4328 NEAS.3c258ed46041141a294c68b2de32dfc67d39bb77a9a3e53542f8547ab0aaea83_JC.exe 84 -
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 NEAS.3c258ed46041141a294c68b2de32dfc67d39bb77a9a3e53542f8547ab0aaea83_JC.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI NEAS.3c258ed46041141a294c68b2de32dfc67d39bb77a9a3e53542f8547ab0aaea83_JC.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI NEAS.3c258ed46041141a294c68b2de32dfc67d39bb77a9a3e53542f8547ab0aaea83_JC.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1160 NEAS.3c258ed46041141a294c68b2de32dfc67d39bb77a9a3e53542f8547ab0aaea83_JC.exe 1160 NEAS.3c258ed46041141a294c68b2de32dfc67d39bb77a9a3e53542f8547ab0aaea83_JC.exe 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found 3188 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3188 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1160 NEAS.3c258ed46041141a294c68b2de32dfc67d39bb77a9a3e53542f8547ab0aaea83_JC.exe -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 3188 Process not Found -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4328 wrote to memory of 1160 4328 NEAS.3c258ed46041141a294c68b2de32dfc67d39bb77a9a3e53542f8547ab0aaea83_JC.exe 84 PID 4328 wrote to memory of 1160 4328 NEAS.3c258ed46041141a294c68b2de32dfc67d39bb77a9a3e53542f8547ab0aaea83_JC.exe 84 PID 4328 wrote to memory of 1160 4328 NEAS.3c258ed46041141a294c68b2de32dfc67d39bb77a9a3e53542f8547ab0aaea83_JC.exe 84 PID 4328 wrote to memory of 1160 4328 NEAS.3c258ed46041141a294c68b2de32dfc67d39bb77a9a3e53542f8547ab0aaea83_JC.exe 84 PID 4328 wrote to memory of 1160 4328 NEAS.3c258ed46041141a294c68b2de32dfc67d39bb77a9a3e53542f8547ab0aaea83_JC.exe 84 PID 4328 wrote to memory of 1160 4328 NEAS.3c258ed46041141a294c68b2de32dfc67d39bb77a9a3e53542f8547ab0aaea83_JC.exe 84 -
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\NEAS.3c258ed46041141a294c68b2de32dfc67d39bb77a9a3e53542f8547ab0aaea83_JC.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.3c258ed46041141a294c68b2de32dfc67d39bb77a9a3e53542f8547ab0aaea83_JC.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4328 -
C:\Users\Admin\AppData\Local\Temp\NEAS.3c258ed46041141a294c68b2de32dfc67d39bb77a9a3e53542f8547ab0aaea83_JC.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.3c258ed46041141a294c68b2de32dfc67d39bb77a9a3e53542f8547ab0aaea83_JC.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1160
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